Release v0.3.2

.idea/misc.xml

@@ -1,4 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="../../../../layout/custom_preview.xml" value="0.5661458333333333" />
+        <entry key="app/src/main/res/drawable/category_listitem_background.xml" value="0.35104166666666664" />
+        <entry key="app/src/main/res/drawable/floating_semitransparent_button_background.xml" value="0.512962962962963" />
+        <entry key="app/src/main/res/drawable/ic_map_pin.xml" value="0.6425925925925926" />
+        <entry key="app/src/main/res/drawable/ic_more.xml" value="0.6166666666666667" />
+        <entry key="app/src/main/res/drawable/ic_nav.xml" value="0.6083333333333333" />
+        <entry key="app/src/main/res/drawable/ic_share.xml" value="0.8828125" />
+        <entry key="app/src/main/res/layout/activity_geofavorite_detail.xml" value="0.4" />
+        <entry key="app/src/main/res/layout/activity_list_view.xml" value="0.4" />
+        <entry key="app/src/main/res/layout/activity_main.xml" value="0.5307291666666667" />
+        <entry key="app/src/main/res/layout/item_geofav.xml" value="0.5307291666666667" />
+        <entry key="app/src/main/res/layout/sorting_order_fragment.xml" value="0.4740740740740741" />
+        <entry key="app/src/main/res/menu/list_context_menu.xml" value="0.41944444444444445" />
+      </map>
+    </option>
+  </component>
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK" />
 </project>

.idea/runConfigurations.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>

README.md

@@ -1,5 +1,10 @@
+![Nextcloud Maps Geobookmarks Logo](/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png)
+
 # Nextcloud Maps Geobookmarks Android app
 
+[<img src="https://cdn.rawgit.com/steverichey/google-play-badge-svg/master/img/en_get.svg" height="80">](https://play.google.com/store/apps/details?id=it.danieleverducci.nextcloudmaps)
+[<img src="https://raw.githubusercontent.com/andOTP/andOTP/master/assets/badges/get-it-on-github.png" height="80">](https://github.com/penguin86/nextcloud-maps-client/releases/latest)
+
 Android app to show your Nextcloud Maps geobookmarks list. Geobookmarks can be opened in all apps supporting geo links (i.e. Google Maps, Organic Maps etc...).
 A new geobookmark can be created on current location.
 
@@ -7,3 +12,7 @@ A new geobookmark can be created on current location.
 
 This work is heavily based on [matiasdelellis's Nextcloud SSO example](https://github.com/matiasdelellis/app-tutorial-android) to implement [Nextcloud single sign on](https://github.com/nextcloud/Android-SingleSignOn).
 
+![Screenshot 1](screenshots/1.png)      ![Screenshot 1](screenshots/2.png)
+
+Download it from [the releases page](https://github.com/penguin86/nextcloud-maps-client/releases)
+

app/build.gradle

@@ -24,8 +24,8 @@ android {
         applicationId "it.danieleverducci.nextcloudmaps"
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 1
-        versionName "0.1"
+        versionCode 4
+        versionName "0.3.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -55,15 +55,15 @@ dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
 
     implementation 'com.android.support:design:30.0.1'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation "androidx.cardview:cardview:1.0.0"
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
     implementation "androidx.preference:preference:1.1.1"
 
-    testImplementation 'junit:junit:4.13'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
     // Retrofif2
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
@@ -71,4 +71,11 @@ dependencies {
 
     // Nextcloud SSO
     implementation "com.github.nextcloud:Android-SingleSignOn:0.5.6"
+
+    // OSMDroid
+    implementation 'org.osmdroid:osmdroid-android:6.1.10'
+
+    //Threeten-Backport (ports Java 8 Date API on Java 6+)
+    implementation 'org.threeten:threetenbp:1.5.1'
+
 }

app/release/output-metadata.json

@@ -0,0 +1,18 @@
+{
+  "version": 2,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "it.danieleverducci.nextcloudmaps",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "versionCode": 3,
+      "versionName": "0.3.1",
+      "outputFile": "app-release.apk"
+    }
+  ]
+}

app/src/main/AndroidManifest.xml

@@ -30,6 +30,7 @@
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
@@ -48,7 +49,7 @@
         </activity>
 
         <activity
-            android:name=".activity.main.GeofavoriteDetailActivity"
+            android:name=".activity.detail.GeofavoriteDetailActivity"
             android:theme="@style/AppTheme"/>
 
         <activity

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/CategoriesSpinnerAdapter.java

@@ -0,0 +1,24 @@
+package it.danieleverducci.nextcloudmaps.activity.detail;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+
+import androidx.annotation.NonNull;
+
+import java.util.HashSet;
+
+public class CategoriesSpinnerAdapter extends ArrayAdapter<String> {
+
+    public CategoriesSpinnerAdapter(@NonNull Context context) {
+        super(context, android.R.layout.simple_dropdown_item_1line);
+    }
+
+    // TODO: implement colors
+
+    public void setCategoriesList(HashSet<String> categories) {
+        clear();
+        addAll(categories);
+        notifyDataSetChanged();
+    }
+
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/GeofavoriteDetailActivity.java

@@ -0,0 +1,422 @@
+/*
+ * Nextcloud Maps Geofavorites for Android
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package it.danieleverducci.nextcloudmaps.activity.detail;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Color;
+import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.content.res.AppCompatResources;
+import androidx.core.app.ActivityCompat;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.preference.PreferenceManager;
+
+import org.osmdroid.api.IMapController;
+import org.osmdroid.config.Configuration;
+import org.osmdroid.util.GeoPoint;
+import org.osmdroid.views.CustomZoomButtonsController;
+import org.osmdroid.views.overlay.Marker;
+import org.threeten.bp.format.DateTimeFormatter;
+import org.threeten.bp.format.FormatStyle;
+
+import java.util.Date;
+import java.util.HashSet;
+import java.util.List;
+
+import it.danieleverducci.nextcloudmaps.R;
+import it.danieleverducci.nextcloudmaps.activity.main.MainActivity;
+import it.danieleverducci.nextcloudmaps.activity.main.MainActivityViewModel;
+import it.danieleverducci.nextcloudmaps.api.ApiProvider;
+import it.danieleverducci.nextcloudmaps.databinding.ActivityGeofavoriteDetailBinding;
+import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+import it.danieleverducci.nextcloudmaps.utils.IntentGenerator;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class GeofavoriteDetailActivity extends AppCompatActivity implements LocationListener, ActivityCompat.OnRequestPermissionsResultCallback {
+
+    public static final String TAG = "GeofavDetail";
+    public static final int MINIMUM_ACCEPTABLE_ACCURACY = 50;  // In meters
+    public static final String ARG_GEOFAVORITE = "geofav";
+    private static final int PERMISSION_REQUEST_CODE = 9999;
+
+    private ViewHolder mViewHolder;
+    private Geofavorite mGeofavorite;
+    private GeofavoriteDetailActivityViewModel mViewModel;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // OSMDroid config
+        Configuration.getInstance().load(getApplicationContext(),
+                PreferenceManager.getDefaultSharedPreferences(getApplicationContext()));
+
+        mViewHolder = new ViewHolder(getLayoutInflater());
+        setContentView(mViewHolder.getRootView());
+        mViewHolder.setOnSubmitListener(new OnSubmitListener() {
+            @Override
+            public void onBackPressed() {
+                finish();
+            }
+
+            @Override
+            public void onActionIconShareClicked() {
+                startActivity(Intent.createChooser(IntentGenerator.newShareIntent(GeofavoriteDetailActivity.this, mGeofavorite), getString(R.string.share_via)));
+            }
+
+            @Override
+            public void onActionIconNavClicked() {
+                startActivity(IntentGenerator.newGeoUriIntent(GeofavoriteDetailActivity.this, mGeofavorite));
+            }
+
+            @Override
+            public void onActionIconDeleteClicked() {
+                // TODO
+            }
+
+            @Override
+            public void onSubmit() {
+                saveGeofavorite();
+            }
+
+            @Override
+            public void onMapClicked() {
+                // TODO: Open map activity with pin
+                startActivity(IntentGenerator.newGeoUriIntent(GeofavoriteDetailActivity.this, mGeofavorite));
+            }
+        });
+
+        mViewModel = new ViewModelProvider(this).get(GeofavoriteDetailActivityViewModel.class);
+        mViewModel.init();
+        mViewModel.getCategories().observe(this, new Observer<HashSet<String>>() {
+            @Override
+            public void onChanged(HashSet<String> categories) {
+                mViewHolder.setCategories(categories);
+            }
+        });
+        mViewModel.getIsUpdating().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(@Nullable Boolean updating) {
+                mViewHolder.setUpdating(updating);
+            }
+        });
+        mViewModel.getOnFinished().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(@Nullable Boolean success) {
+                if(success){
+                    Toast.makeText(GeofavoriteDetailActivity.this, R.string.geofavorite_saved, Toast.LENGTH_SHORT).show();
+                    finish();
+                } else {
+                    Toast.makeText(GeofavoriteDetailActivity.this, R.string.error_saving_geofavorite, Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+
+        if (getIntent().hasExtra(ARG_GEOFAVORITE) && getIntent().getIntExtra(ARG_GEOFAVORITE, 0) != 0) {
+            // Opening geofavorite from list
+            mGeofavorite = mViewModel.getGeofavorite(
+                    getIntent().getIntExtra(ARG_GEOFAVORITE, 0)
+            );
+            mViewHolder.hideAccuracy();
+        } else {
+            // New geofavorite
+            mGeofavorite = new Geofavorite();
+            mGeofavorite.setCategory(Geofavorite.DEFAULT_CATEGORY);
+            mGeofavorite.setDateCreated(System.currentTimeMillis() / 1000);
+            mGeofavorite.setDateModified(System.currentTimeMillis() / 1000);
+            mViewHolder.hideActions();
+
+            // Precompile location
+            getLocation();
+        }
+
+        mViewHolder.updateView(mGeofavorite);
+
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        // OSMDroid config
+        Configuration.getInstance().load(getApplicationContext(),
+                PreferenceManager.getDefaultSharedPreferences(getApplicationContext()));
+        mViewHolder.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        // OSMDroid config
+        Configuration.getInstance().save(getApplicationContext(),
+                PreferenceManager.getDefaultSharedPreferences(getApplicationContext()));
+        mViewHolder.onPause();
+        super.onPause();
+    }
+
+    /**
+     * Called when the submit button is clicked
+     * @param v The button
+     */
+    public void onSubmit(View v) {
+        saveGeofavorite();
+    }
+
+    /**
+     * Checks fields and sends updated geofavorite to Nextcloud instance
+     */
+    private void saveGeofavorite() {
+        mViewHolder.updateModel(mGeofavorite);
+
+        if (!mGeofavorite.valid()) {
+            Toast.makeText(GeofavoriteDetailActivity.this, R.string.incomplete_geofavorite, Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        mViewModel.saveGeofavorite(mGeofavorite);
+    }
+
+    /**
+     * Obtains the current location (requesting user's permission, if necessary)
+     * and calls updateLocationField()
+     */
+    private void getLocation() {
+        // Check if user granted location permission
+        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+            // User didn't grant permission. Ask it.
+            requestPermissions(new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_CODE);
+            return;
+        }
+
+        LocationManager locationManager = (LocationManager)
+                getSystemService(Context.LOCATION_SERVICE);
+        // Try to use last available location
+        Location lastKnown = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
+        if (lastKnown != null)
+            updateLocationField(lastKnown);
+        // Register for location updates in case the user moves before saving
+        locationManager.requestLocationUpdates(
+                LocationManager.GPS_PROVIDER, 1000, 10, this
+        );
+    }
+
+    /**
+     * Compiles the geofavorite location field with the provided location object
+     * @param location to set in the geofavorite
+     */
+    private void updateLocationField(Location location) {
+        // Update model
+        mGeofavorite.setLat(location.getLatitude());
+        mGeofavorite.setLng(location.getLongitude());
+        // Update view
+        mViewHolder.updateViewCoords(mGeofavorite);
+        mViewHolder.setAccuracy(location.getAccuracy());
+    }
+
+
+    /** Location updates callbacks **/
+
+    @Override
+    public void onLocationChanged(@NonNull Location location) {
+        updateLocationField(location);
+    }
+
+    @Override
+    public void onStatusChanged(String provider, int status, Bundle extras) {}
+
+    @Override
+    public void onProviderEnabled(@NonNull String provider) {}
+
+    @Override
+    public void onProviderDisabled(@NonNull String provider) {}
+
+    @Override
+    public void onPointerCaptureChanged(boolean hasCapture) {}
+
+
+    /** Position permission request result **/
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == PERMISSION_REQUEST_CODE && permissions[0].equals(Manifest.permission.ACCESS_FINE_LOCATION)) {
+            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                getLocation();
+            } else {
+                Toast.makeText(this, R.string.location_permission_required, Toast.LENGTH_LONG).show();
+                finish();
+            }
+        }
+    }
+
+
+
+    private class ViewHolder implements View.OnClickListener {
+        private final ActivityGeofavoriteDetailBinding binding;
+        private DateTimeFormatter dateFormatter = DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG);
+        private OnSubmitListener listener;
+        private Marker mapMarker;
+
+
+        public ViewHolder(LayoutInflater inflater) {
+
+            this.binding = ActivityGeofavoriteDetailBinding.inflate(inflater);
+            this.binding.submitBt.setOnClickListener(this);
+            this.binding.mapBt.setOnClickListener(this);
+            this.binding.backBt.setOnClickListener(this);
+            this.binding.actionIconShare.setOnClickListener(this);
+            this.binding.actionIconDelete.setOnClickListener(this);
+            this.binding.actionIconNav.setOnClickListener(this);
+
+            // Set categories adapter
+            CategoriesSpinnerAdapter categoriesAdapter = new CategoriesSpinnerAdapter(binding.root.getContext());
+            this.binding.categoryAt.setAdapter(categoriesAdapter);
+            this.binding.categoryAt.setText(Geofavorite.DEFAULT_CATEGORY);
+
+            // Set map properties
+            this.binding.map.getZoomController().setVisibility(CustomZoomButtonsController.Visibility.NEVER);
+            this.binding.map.setMultiTouchControls(true);
+
+            // Create marker
+            mapMarker = new Marker(binding.map);
+            mapMarker.setIcon(AppCompatResources.getDrawable(GeofavoriteDetailActivity.this, R.drawable.ic_map_pin));
+            mapMarker.setAnchor(Marker.ANCHOR_CENTER, Marker.ANCHOR_BOTTOM);
+            binding.map.getOverlays().add(mapMarker);
+        }
+
+        public View getRootView() {
+            return this.binding.root;
+        }
+
+        public void updateView(Geofavorite item) {
+            binding.collapsingToolbar.setTitle(item.getName() != null ? item.getName() : getString(R.string.new_geobookmark));
+            binding.nameEt.setText(item.getName());
+            binding.descriptionEt.setText(item.getComment());
+            binding.createdTv.setText(item.getLocalDateCreated().format(dateFormatter));
+            binding.modifiedTv.setText(item.getLocalDateCreated().format(dateFormatter));
+            binding.categoryAt.setText(item.getCategory());
+            updateViewCoords(item);
+        }
+
+        public void updateViewCoords(Geofavorite item) {
+            binding.coordsTv.setText(item.getCoordinatesString());
+
+            // Center map
+            GeoPoint position = new GeoPoint(item.getLat(), item.getLng());
+            IMapController mapController = binding.map.getController();
+            mapController.setZoom(19.0f);
+            mapController.setCenter(position);
+
+            // Set pin
+            mapMarker.setPosition(position);
+        }
+
+        public void updateModel(Geofavorite item) {
+            item.setName(binding.nameEt.getText().toString());
+            item.setComment(binding.descriptionEt.getText().toString());
+            item.setCategory(binding.categoryAt.getText().toString());
+            item.setDateModified(System.currentTimeMillis() / 1000);
+        }
+
+        public void setUpdating(boolean updating) {
+            binding.progress.setVisibility(updating ? View.VISIBLE : View.GONE);
+        }
+
+        public void setAccuracy(float accuracy) {
+            binding.accuracyTv.setText(getString(R.string.accuracy).replace("{accuracy}", ((int)accuracy) + ""));
+            // Color the accuracy background with a scale from red (MINIMUM_ACCEPTABLE_ACCURACY) to green (0 meters)
+            float red = accuracy / MINIMUM_ACCEPTABLE_ACCURACY;
+            if (red > 1.0f) red = 1.0f;
+            float green = 1.0f - red;
+            if (Build.VERSION.SDK_INT >= 26)
+                binding.accuracyTv.setBackgroundColor(Color.rgb(red, green, 0.0f));
+        }
+
+        public void setCategories(HashSet<String> categories) {
+            ((CategoriesSpinnerAdapter)binding.categoryAt.getAdapter()).setCategoriesList(categories);
+        }
+
+        public void hideAccuracy() {
+            binding.accuracyTv.setVisibility(View.GONE);
+        }
+
+        public void hideActions() {
+            binding.actionIcons.setVisibility(View.GONE);
+        }
+
+        public void setOnSubmitListener(OnSubmitListener listener) {
+            this.listener = listener;
+        }
+
+        public void onResume() {
+            binding.map.onResume();
+        }
+
+        public void onPause() {
+            binding.map.onPause();
+        }
+
+        @Override
+        public void onClick(View v) {
+            if (v.getId() == R.id.submit_bt && this.listener != null) {
+                this.listener.onSubmit();
+            }
+            if (v.getId() == R.id.map_bt && this.listener != null) {
+                this.listener.onMapClicked();
+            }
+            if (v.getId() == R.id.back_bt && this.listener != null) {
+                this.listener.onBackPressed();
+            }
+
+            // Actions
+            if (v.getId() == R.id.action_icon_share && this.listener != null) {
+                this.listener.onActionIconShareClicked();
+            }
+            if (v.getId() == R.id.action_icon_nav && this.listener != null) {
+                this.listener.onActionIconNavClicked();
+            }
+            if (v.getId() == R.id.action_icon_delete && this.listener != null) {
+                this.listener.onActionIconDeleteClicked();
+            }
+        }
+    }
+
+    protected interface OnSubmitListener {
+        void onSubmit();
+        void onMapClicked();
+        void onBackPressed();
+        void onActionIconShareClicked();
+        void onActionIconNavClicked();
+        void onActionIconDeleteClicked();
+    }
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/GeofavoriteDetailActivityViewModel.java

@@ -0,0 +1,41 @@
+package it.danieleverducci.nextcloudmaps.activity.detail;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+
+import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+import it.danieleverducci.nextcloudmaps.repository.GeofavoriteRepository;
+
+public class GeofavoriteDetailActivityViewModel extends ViewModel {
+    private GeofavoriteRepository mRepo;
+
+    public void init() {
+        mRepo = GeofavoriteRepository.getInstance();
+    }
+
+    public Geofavorite getGeofavorite(int id) {
+        return mRepo.getGeofavorite(id);
+    }
+
+    public void saveGeofavorite(Geofavorite geofav) {
+        mRepo.saveGeofavorite(geofav);
+    }
+
+    public LiveData<HashSet<String>> getCategories(){
+        return mRepo.getCategories();
+    }
+
+    public LiveData<Boolean> getIsUpdating(){
+        return mRepo.isUpdating();
+    }
+
+    public LiveData<Boolean> getOnFinished(){
+        return mRepo.onFinished();
+    }
+
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/GeofavoriteAdapter.java

@@ -21,18 +21,26 @@
 package it.danieleverducci.nextcloudmaps.activity.main;
 
 import android.content.Context;
+import android.graphics.drawable.Drawable;
 import android.text.Html;
+import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Filter;
 import android.widget.Filterable;
+import android.widget.ImageView;
+import android.widget.PopupMenu;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.cardview.widget.CardView;
+import androidx.core.graphics.drawable.DrawableCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
+import org.threeten.bp.format.DateTimeFormatter;
+import org.threeten.bp.format.FormatStyle;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -41,18 +49,26 @@ import java.util.List;
 import it.danieleverducci.nextcloudmaps.R;
 import it.danieleverducci.nextcloudmaps.model.Geofavorite;
 
-public class GeofavoriteAdapter extends RecyclerView.Adapter<GeofavoriteAdapter.RecyclerViewAdapter> implements Filterable {
+public class GeofavoriteAdapter extends RecyclerView.Adapter<GeofavoriteAdapter.GeofavoriteViewHolder> implements Filterable {
+
+    public static final String TAG = "GeofavoriteAdapter";
 
     public static final int SORT_BY_TITLE = 0;
     public static final int SORT_BY_CREATED = 1;
+    public static final int SORT_BY_CATEGORY = 2;
+    public static final int SORT_BY_DISTANCE = 3;
 
     private Context context;
     private ItemClickListener itemClickListener;
+    private DateTimeFormatter dateFormatter = DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT);
 
     private List<Geofavorite> geofavoriteList = new ArrayList<>();
     private List<Geofavorite> geofavoriteListFiltered = new ArrayList<>();
     private int sortRule = SORT_BY_CREATED;
 
+    // Contains the position of the element containing the overflow menu clicked
+    private int overflowMenuSelectedPosition = -1;
+
     public GeofavoriteAdapter(Context context, ItemClickListener itemClickListener) {
         this.context = context;
         this.itemClickListener = itemClickListener;
@@ -83,17 +99,21 @@ public class GeofavoriteAdapter extends RecyclerView.Adapter<GeofavoriteAdapter.
 
     @NonNull
     @Override
-    public RecyclerViewAdapter onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(context).inflate(R.layout.item_note, parent, false);
-        return new RecyclerViewAdapter(view, itemClickListener);
+    public GeofavoriteViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(context).inflate(R.layout.item_geofav, parent, false);
+        return new GeofavoriteViewHolder(view, itemClickListener);
     }
 
     @Override
-    public void onBindViewHolder(@NonNull RecyclerViewAdapter holder, int position) {
+    public void onBindViewHolder(@NonNull GeofavoriteViewHolder holder, int position) {
         Geofavorite geofavorite = geofavoriteListFiltered.get(position);
 
+        holder.tv_category.setText(geofavorite.categoryLetter());
+        holder.tv_category_background.setTint(
+                geofavorite.categoryColor() == 0 ? context.getColor(R.color.defaultBrand) : geofavorite.categoryColor());
         holder.tv_title.setText(Html.fromHtml(geofavorite.getName()));
         holder.tv_content.setText(geofavorite.getComment());
+        holder.tv_date.setText(geofavorite.getLocalDateCreated().format(dateFormatter));
     }
 
     @Override
@@ -140,26 +160,47 @@ public class GeofavoriteAdapter extends RecyclerView.Adapter<GeofavoriteAdapter.
         }
     };
 
-    class RecyclerViewAdapter extends RecyclerView.ViewHolder implements View.OnClickListener {
-        TextView tv_title, tv_content;
+    class GeofavoriteViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        TextView tv_category, tv_title, tv_content, tv_date;
+        ImageView bt_context_menu;
+        ImageView bt_nav;
+        Drawable tv_category_background;
 
         ItemClickListener itemClickListener;
 
-        RecyclerViewAdapter(@NonNull View itemView, ItemClickListener itemClickListener) {
+
+        GeofavoriteViewHolder(@NonNull View itemView, ItemClickListener itemClickListener) {
             super(itemView);
 
+            tv_category = itemView.findViewById(R.id.tv_category);
             tv_title = itemView.findViewById(R.id.title);
             tv_content = itemView.findViewById(R.id.content);
+            tv_date = itemView.findViewById(R.id.date);
+            bt_context_menu = itemView.findViewById(R.id.geofav_context_menu_bt);
+            bt_nav = itemView.findViewById(R.id.geofav_nav_bt);
+            tv_category_background = DrawableCompat.wrap(tv_category.getBackground());
 
             this.itemClickListener = itemClickListener;
             itemView.setOnClickListener(this);
 
-            tv_content.setOnClickListener(this);
+            bt_context_menu.setOnClickListener(this);
+            bt_nav.setOnClickListener(this);
         }
 
         @Override
         public void onClick(View view) {
-            itemClickListener.onItemClick(view, getAdapterPosition());
+            switch (view.getId()) {
+                case R.id.geofav_context_menu_bt:
+                    onOverflowIconClicked(view, getAdapterPosition());
+                    break;
+                case R.id.geofav_nav_bt:
+                    if (itemClickListener != null)
+                        itemClickListener.onItemNavClick(get(getAdapterPosition()));
+                    break;
+                default:
+                    if (itemClickListener != null)
+                        itemClickListener.onItemClick(get(getAdapterPosition()));
+            }
         }
     }
 
@@ -168,10 +209,44 @@ public class GeofavoriteAdapter extends RecyclerView.Adapter<GeofavoriteAdapter.
             Collections.sort(geofavoriteListFiltered, Geofavorite.ByTitleAZ);
         } else if (sortRule == SORT_BY_CREATED) {
             Collections.sort(geofavoriteListFiltered, Geofavorite.ByLastCreated);
+        } else if (sortRule == SORT_BY_CATEGORY) {
+            Collections.sort(geofavoriteListFiltered, Geofavorite.ByCategory);
+        } else if (sortRule == SORT_BY_DISTANCE) {
+            Collections.sort(geofavoriteListFiltered, Geofavorite.ByDistance);
         }
     }
 
-    public interface ItemClickListener {
-        void onItemClick(View view, int position);
+
+    private void onOverflowIconClicked(View view, int position) {
+        // Save selected item
+        overflowMenuSelectedPosition = position;
+        // Open menu
+        PopupMenu popup = new PopupMenu(context, view);
+        popup.inflate(R.menu.list_context_menu);
+        popup.setOnMenuItemClickListener(this::optionsItemSelected);
+        popup.show();
     }
+
+    private boolean optionsItemSelected(MenuItem item) {
+        if (overflowMenuSelectedPosition < 0) {
+            Log.e(TAG, "No overflow menu selected position saved!");
+            return false;
+        }
+        Geofavorite gf = get(overflowMenuSelectedPosition);
+        overflowMenuSelectedPosition = -1;
+        if (item.getItemId() == R.id.list_context_menu_share && itemClickListener != null)
+            itemClickListener.onItemShareClick(gf);
+        if (item.getItemId() == R.id.list_context_menu_delete && itemClickListener != null)
+            itemClickListener.onItemDeleteClick(gf);
+        return true;
+    }
+
+    public interface ItemClickListener {
+        void onItemClick(Geofavorite item);
+        void onItemShareClick(Geofavorite item);
+        void onItemNavClick(Geofavorite item);
+        void onItemDeleteClick(Geofavorite item);
+    }
+
+
 }

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/GeofavoriteDetailActivity.java

@@ -1,188 +0,0 @@
-/*
- * Nextcloud Maps Geofavorites for Android
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package it.danieleverducci.nextcloudmaps.activity.main;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.location.Location;
-import android.location.LocationListener;
-import android.location.LocationManager;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-
-import it.danieleverducci.nextcloudmaps.R;
-import it.danieleverducci.nextcloudmaps.api.ApiProvider;
-import it.danieleverducci.nextcloudmaps.databinding.ActivityGeofavoriteDetailBinding;
-import it.danieleverducci.nextcloudmaps.model.Geofavorite;
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-
-public class GeofavoriteDetailActivity extends AppCompatActivity implements LocationListener, ActivityCompat.OnRequestPermissionsResultCallback {
-
-    public static final String TAG = "GeofavDetail";
-    public static final String ARG_GEOFAVORITE_ID = "geofavid";
-    private static final int PERMISSION_REQUEST_CODE = 9999;
-
-    private ActivityGeofavoriteDetailBinding binding;
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        binding = ActivityGeofavoriteDetailBinding.inflate(getLayoutInflater());
-        setContentView(binding.root);
-
-        int id = getIntent().getIntExtra(ARG_GEOFAVORITE_ID, 0);
-        if (id == 0) {
-            // New geofavorite
-            Geofavorite gf = new Geofavorite();
-            gf.setDateCreated(System.currentTimeMillis());
-            gf.setDateModified(System.currentTimeMillis());
-            binding.setGeofavorite(gf);
-            // Precompile location
-            getLocation();
-        } else {
-            // TODO: Load geofavorite from cache for edit
-        }
-
-    }
-
-    /**
-     * Called when the submit button is clicked
-     * @param v The button
-     */
-    public void onSubmit(View v) {
-        saveGeofavorite();
-    }
-
-    /**
-     * Checks fields and sends updated geofavorite to Nextcloud instance
-     */
-    private void saveGeofavorite() {
-        Geofavorite gf = binding.getGeofavorite();
-        gf.setName(binding.nameEt.getText().toString());
-        gf.setComment(binding.descriptionEt.getText().toString());
-        gf.setDateModified(System.currentTimeMillis());
-
-        if (!gf.valid()) {
-            Toast.makeText(GeofavoriteDetailActivity.this, R.string.incomplete_geofavorite, Toast.LENGTH_SHORT).show();
-            return;
-        }
-
-        Call<Geofavorite> call;
-        if (gf.getId() == 0) {
-            // New geofavorite
-            call = ApiProvider.getAPI().createGeofavorite(gf);
-        } else {
-            // Update existing geofavorite
-            call = ApiProvider.getAPI().updateGeofavorite(gf.getId(), gf);
-        }
-        call.enqueue(new Callback<Geofavorite>() {
-            @Override
-            public void onResponse(Call<Geofavorite> call, Response<Geofavorite> response) {
-                finish();
-            }
-
-            @Override
-            public void onFailure(Call<Geofavorite> call, Throwable t) {
-                Toast.makeText(GeofavoriteDetailActivity.this, R.string.error_saving_geofavorite, Toast.LENGTH_SHORT).show();
-                Log.e(TAG, "Unable to update geofavorite: " + t.getMessage());
-            }
-        });
-    }
-
-    /**
-     * Obtains the current location (requesting user's permission, if necessary)
-     * and calls updateLocationField()
-     */
-    private void getLocation() {
-        // Check if user granted location permission
-        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
-            // User didn't grant permission. Ask it.
-            requestPermissions(new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_CODE);
-            return;
-        }
-
-        LocationManager locationManager = (LocationManager)
-                getSystemService(Context.LOCATION_SERVICE);
-        // Try to use last available location
-        Location lastKnown = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
-        if (lastKnown != null)
-            updateLocationField(lastKnown);
-        // Register for location updates in case the user moves before saving
-        locationManager.requestLocationUpdates(
-                LocationManager.GPS_PROVIDER, 1000, 10, this
-        );
-    }
-
-    /**
-     * Compiles the geofavorite location field with the provided location object
-     * @param location to set in the geofavorite
-     */
-    private void updateLocationField(Location location) {
-        binding.getGeofavorite().setLat(location.getLatitude());
-        binding.getGeofavorite().setLng(location.getLongitude());
-        binding.notifyChange();
-    }
-
-
-    /** Location updates callbacks **/
-
-    @Override
-    public void onLocationChanged(@NonNull Location location) {
-        updateLocationField(location);
-    }
-
-    @Override
-    public void onStatusChanged(String provider, int status, Bundle extras) {}
-
-    @Override
-    public void onProviderEnabled(@NonNull String provider) {}
-
-    @Override
-    public void onProviderDisabled(@NonNull String provider) {}
-
-    @Override
-    public void onPointerCaptureChanged(boolean hasCapture) {}
-
-
-    /** Position permission request result **/
-
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-        if (requestCode == PERMISSION_REQUEST_CODE && permissions[0].equals(Manifest.permission.ACCESS_FINE_LOCATION)) {
-            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                getLocation();
-            } else {
-                Toast.makeText(this, R.string.location_permission_required, Toast.LENGTH_LONG).show();
-                finish();
-            }
-        }
-    }
-}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/MainActivity.java

@@ -17,13 +17,16 @@
 
 package it.danieleverducci.nextcloudmaps.activity.main;
 
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.net.Uri;
 import android.os.Bundle;
 import android.text.TextUtils;
+import android.util.Log;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.AppCompatImageButton;
 import androidx.appcompat.widget.AppCompatImageView;
@@ -33,6 +36,7 @@ import androidx.core.view.GravityCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
+import androidx.lifecycle.ViewModelProvider;
 import androidx.preference.PreferenceManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.StaggeredGridLayoutManager;
@@ -47,22 +51,23 @@ import java.util.List;
 
 import it.danieleverducci.nextcloudmaps.R;
 import it.danieleverducci.nextcloudmaps.activity.about.AboutActivity;
+import it.danieleverducci.nextcloudmaps.activity.detail.GeofavoriteDetailActivity;
 import it.danieleverducci.nextcloudmaps.activity.login.LoginActivity;
 import it.danieleverducci.nextcloudmaps.activity.main.NavigationAdapter.NavigationItem;
 import it.danieleverducci.nextcloudmaps.activity.main.SortingOrderDialogFragment.OnSortingOrderListener;
-import it.danieleverducci.nextcloudmaps.api.ApiProvider;
 import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+import it.danieleverducci.nextcloudmaps.utils.IntentGenerator;
 
 import static android.view.View.GONE;
 import static android.view.View.VISIBLE;
 import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.*;
 import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_CREATED;
 import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_TITLE;
+import androidx.lifecycle.Observer;
 
-public class MainActivity extends AppCompatActivity implements MainView, OnSortingOrderListener {
+public class MainActivity extends AppCompatActivity implements OnSortingOrderListener {
 
-    private static final int INTENT_ADD = 100;
-    private static final int INTENT_EDIT = 200;
+    private static final String TAG = "MainActivity";
 
     private static final String NAVIGATION_KEY_ADD_GEOFAVORITE = "add";
     private static final String NAVIGATION_KEY_SHOW_ABOUT = "about";
@@ -79,14 +84,12 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
     private StaggeredGridLayoutManager layoutManager;
     private FloatingActionButton fab;
 
-    private MainPresenter presenter;
     private GeofavoriteAdapter geofavoriteAdapter;
-    private ItemClickListener itemClickListener;
+    private ItemClickListener rvItemClickListener;
+    private MainActivityViewModel mMainActivityViewModel;
 
     NavigationAdapter navigationCommonAdapter;
 
-    private ApiProvider mApi;
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -95,29 +98,71 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
         preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 
         int sortRule = preferences.getInt(getString(R.string.setting_sort_by), SORT_BY_CREATED);
-        boolean gridViewEnabled = preferences.getBoolean(getString(R.string.setting_grid_view_enabled), true);
+        boolean gridViewEnabled = preferences.getBoolean(getString(R.string.setting_grid_view_enabled), false);
 
         recyclerView = findViewById(R.id.recycler_view);
         layoutManager = new StaggeredGridLayoutManager(gridViewEnabled ? 2 : 1, StaggeredGridLayoutManager.VERTICAL);
         recyclerView.setLayoutManager(layoutManager);
 
-        presenter = new MainPresenter(this);
+        rvItemClickListener = new ItemClickListener() {
+            @Override
+            public void onItemClick(Geofavorite item) {
+                showGeofavoriteDetailActivity(item);
+            }
 
-        itemClickListener = ((view, position) -> {
-            Geofavorite geofavorite = geofavoriteAdapter.get(position);
-            Intent i = new Intent();
-            i.setAction(Intent.ACTION_VIEW);
-            i.setData(geofavorite.getGeoUri());
-            startActivity(i);
-        });
+            @Override
+            public void onItemShareClick(Geofavorite item) {
+                startActivity(Intent.createChooser(IntentGenerator.newShareIntent(MainActivity.this, item), getString(R.string.share_via)));
+            }
 
-        geofavoriteAdapter = new GeofavoriteAdapter(getApplicationContext(), itemClickListener);
+            @Override
+            public void onItemNavClick(Geofavorite item) {
+                startActivity(IntentGenerator.newGeoUriIntent(MainActivity.this, item));
+            }
+
+            @Override
+            public void onItemDeleteClick(Geofavorite item) {
+                showGeofavoriteDeteleDialog(item);
+            }
+        };
+
+        geofavoriteAdapter = new GeofavoriteAdapter(getApplicationContext(), rvItemClickListener);
         recyclerView.setAdapter(geofavoriteAdapter);
-
         geofavoriteAdapter.setSortRule(sortRule);
 
+
+        mMainActivityViewModel = new ViewModelProvider(this).get(MainActivityViewModel.class);
+        mMainActivityViewModel.init();
+        mMainActivityViewModel.getIsUpdating().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(@Nullable Boolean aBoolean) {
+                if(aBoolean){
+                    swipeRefresh.setRefreshing(true);
+                }
+                else{
+                    swipeRefresh.setRefreshing(false);
+                }
+            }
+        });
+        mMainActivityViewModel.getOnFinished().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(@Nullable Boolean success) {
+                if(!success){
+                    Toast.makeText(MainActivity.this, R.string.list_geofavorite_connection_error, Toast.LENGTH_LONG).show();
+                }
+            }
+        });
+        mMainActivityViewModel.getGeofavorites().observe(this, new Observer<List<Geofavorite>>() {
+            @Override
+            public void onChanged(List<Geofavorite> geofavorites) {
+                geofavoriteAdapter.setGeofavoriteList(geofavorites);
+            }
+        });
+        mMainActivityViewModel.updateGeofavorites();
+
         swipeRefresh = findViewById(R.id.swipe_refresh);
-        swipeRefresh.setOnRefreshListener(() -> presenter.getGeofavorites());
+        swipeRefresh.setOnRefreshListener(() ->
+                mMainActivityViewModel.updateGeofavorites());
 
         fab = findViewById(R.id.add);
         fab.setOnClickListener(view -> addGeofavorite());
@@ -167,16 +212,6 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
 
         updateSortingIcon(sortRule);
         updateGridIcon(gridViewEnabled);
-
-        mApi = new ApiProvider(getApplicationContext());
-    }
-
-    @Override
-    protected void onStart() {
-        super.onStart();
-
-        // Update list
-        presenter.getGeofavorites();
     }
 
     private void setupNavigationMenu() {
@@ -221,19 +256,10 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
         SortingOrderDialogFragment.newInstance(sortOrder).show(fragmentTransaction, SortingOrderDialogFragment.SORTING_ORDER_FRAGMENT);
     }
 
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data) {
-        super.onActivityResult(requestCode, resultCode, data);
-        if (requestCode == INTENT_ADD && resultCode == RESULT_OK) {
-            presenter.getGeofavorites();
-        } else if (requestCode == INTENT_EDIT && resultCode == RESULT_OK) {
-            presenter.getGeofavorites();
-        }
-    }
-
     private void addGeofavorite() {
-        startActivityForResult(
-                new Intent(this, GeofavoriteDetailActivity.class), INTENT_ADD);
+        startActivity(
+                new Intent(this, GeofavoriteDetailActivity.class)
+        );
     }
 
     private void show_about() {
@@ -246,26 +272,6 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
         startActivity(intent);
     }
 
-    @Override
-    public void showLoading() {
-        swipeRefresh.setRefreshing(true);
-    }
-
-    @Override
-    public void hideLoading() {
-        swipeRefresh.setRefreshing(false);
-    }
-
-    @Override
-    public void onGetResult(List<Geofavorite> geofavorite_list) {
-        geofavoriteAdapter.setGeofavoriteList(geofavorite_list);
-    }
-
-    @Override
-    public void onErrorLoading(String message) {
-        Toast.makeText(MainActivity.this, message, Toast.LENGTH_LONG).show();
-    }
-
     @Override
     public void onSortingOrderChosen(int sortSelection) {
         geofavoriteAdapter.setSortRule(sortSelection);
@@ -283,6 +289,12 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
             case SORT_BY_CREATED:
                 sortButton.setImageResource(R.drawable.ic_modification_asc);
                 break;
+            case SORT_BY_CATEGORY:
+                sortButton.setImageResource(R.drawable.ic_category_asc);
+                break;
+            case SORT_BY_DISTANCE:
+                sortButton.setImageResource(R.drawable.ic_distance_asc);
+                break;
         }
     }
 
@@ -298,4 +310,29 @@ public class MainActivity extends AppCompatActivity implements MainView, OnSorti
         viewButton.setImageResource(gridEnabled ? R.drawable.ic_view_list : R.drawable.ic_view_module);
     }
 
+    private void showGeofavoriteDeteleDialog(Geofavorite item) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+        builder.setMessage(getString(R.string.dialog_delete_message).replace("{name}", item.getName()))
+                .setTitle(R.string.dialog_delete_title)
+                .setPositiveButton(R.string.dialog_delete_delete, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        mMainActivityViewModel.deleteGeofavorite(item);
+                        dialog.dismiss();
+                    }
+                })
+                .setNegativeButton(R.string.dialog_delete_cancel, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        dialog.dismiss();
+                    }
+                });
+        AlertDialog ad = builder.create();
+        ad.show();
+    }
+
+    private void showGeofavoriteDetailActivity(Geofavorite item) {
+        Intent i = new Intent(this, GeofavoriteDetailActivity.class);
+        i.putExtra(GeofavoriteDetailActivity.ARG_GEOFAVORITE, item.getId());
+        startActivity(i);
+    }
+
 }

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/MainActivityViewModel.java

@@ -0,0 +1,40 @@
+package it.danieleverducci.nextcloudmaps.activity.main;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import java.util.List;
+
+import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+import it.danieleverducci.nextcloudmaps.repository.GeofavoriteRepository;
+
+public class MainActivityViewModel extends ViewModel {
+    private GeofavoriteRepository mRepo;
+
+    public void init() {
+        mRepo = GeofavoriteRepository.getInstance();
+    }
+
+    public LiveData<List<Geofavorite>> getGeofavorites(){
+        mRepo.updateGeofavorites();
+        return mRepo.getGeofavorites();
+    }
+
+    public void updateGeofavorites() {
+        mRepo.updateGeofavorites();
+    }
+
+    public void deleteGeofavorite(Geofavorite geofav) {
+        mRepo.deleteGeofavorite(geofav);
+    }
+
+    public LiveData<Boolean> getIsUpdating(){
+        return mRepo.isUpdating();
+    }
+
+    public LiveData<Boolean> getOnFinished(){
+        return mRepo.onFinished();
+    }
+
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/MainPresenter.java

@@ -1,66 +0,0 @@
-/*
- * Nextcloud Maps Geofavorites for Android
- *
- * @copyright Copyright (c) 2020 John Doe <john@doe.com>
- * @author John Doe <john@doe.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package it.danieleverducci.nextcloudmaps.activity.main;
-
-import android.util.Log;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-
-import java.util.List;
-
-import it.danieleverducci.nextcloudmaps.api.ApiProvider;
-import it.danieleverducci.nextcloudmaps.model.Geofavorite;
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-
-public class MainPresenter {
-    private MainView view;
-
-    public MainPresenter(MainView view) {
-        this.view = view;
-    }
-
-    public void getGeofavorites() {
-        view.showLoading();
-        Call<List<Geofavorite>> call = ApiProvider.getAPI().getGeofavorites();
-        call.enqueue(new Callback<List<Geofavorite>>() {
-            @Override
-            public void onResponse(@NonNull Call<List<Geofavorite>> call, @NonNull Response<List<Geofavorite>> response) {
-                ((AppCompatActivity) view).runOnUiThread(() -> {
-                    view.hideLoading();
-                    if (response.isSuccessful() && response.body() != null) {
-                        view.onGetResult(response.body());
-                    }
-                });
-            }
-
-            @Override
-            public void onFailure(@NonNull Call<List<Geofavorite>> call, @NonNull Throwable t) {
-                ((AppCompatActivity) view).runOnUiThread(() -> {
-                    view.hideLoading();
-                    view.onErrorLoading(t.getLocalizedMessage());
-                });
-            }
-        });
-    }
-}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/MainView.java

@@ -1,32 +0,0 @@
-/*
- * Nextcloud Maps Geofavorites for Android
- *
- * @copyright Copyright (c) 2020 John Doe <john@doe.com>
- * @author John Doe <john@doe.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package it.danieleverducci.nextcloudmaps.activity.main;
-
-import java.util.List;
-
-import it.danieleverducci.nextcloudmaps.model.Geofavorite;
-
-public interface MainView {
-    void showLoading();
-    void hideLoading();
-    void onGetResult(List<Geofavorite> geofavorites);
-    void onErrorLoading(String message);
-}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/main/SortingOrderDialogFragment.java

@@ -91,13 +91,14 @@ public class SortingOrderDialogFragment extends DialogFragment {
 
     /**
      * find all relevant UI elements and set their values.
+     * TODO: this is REALLY ugly.
      *
      * @param view the parent view
      */
     private void setupDialogElements(View view) {
         mCancel = view.findViewById(R.id.cancel);
 
-        mTaggedViews = new View[4];
+        mTaggedViews = new View[8];
         mTaggedViews[0] = view.findViewById(R.id.sortByTitleAscending);
         mTaggedViews[0].setTag(GeofavoriteAdapter.SORT_BY_TITLE);
         mTaggedViews[1] = view.findViewById(R.id.sortByTitleAscendingText);
@@ -106,6 +107,14 @@ public class SortingOrderDialogFragment extends DialogFragment {
         mTaggedViews[2].setTag(GeofavoriteAdapter.SORT_BY_CREATED);
         mTaggedViews[3] = view.findViewById(R.id.sortByCreationDateDescendingText);
         mTaggedViews[3].setTag(GeofavoriteAdapter.SORT_BY_CREATED);
+        mTaggedViews[4] = view.findViewById(R.id.sortByCategoryAscending);
+        mTaggedViews[4].setTag(GeofavoriteAdapter.SORT_BY_CATEGORY);
+        mTaggedViews[5] = view.findViewById(R.id.sortByCategoryAscendingText);
+        mTaggedViews[5].setTag(GeofavoriteAdapter.SORT_BY_CATEGORY);
+        mTaggedViews[6] = view.findViewById(R.id.sortByDistanceAscending);
+        mTaggedViews[6].setTag(GeofavoriteAdapter.SORT_BY_DISTANCE);
+        mTaggedViews[7] = view.findViewById(R.id.sortByDistanceAscendingText);
+        mTaggedViews[7].setTag(GeofavoriteAdapter.SORT_BY_DISTANCE);
 
         setupActiveOrderSelection();
     }

app/src/main/java/it/danieleverducci/nextcloudmaps/api/ApiProvider.java

@@ -48,12 +48,12 @@ public class ApiProvider {
         initSsoApi(new NextcloudAPI.ApiConnectedListener() {
             @Override
             public void onConnected() {
-                // Ignore..
+                Log.d(TAG, "Connected to Nextcloud instance");
             }
 
             @Override
             public void onError(Exception ex) {
-                // Ignore...
+                Log.d(TAG, "Unable to connect to Nextcloud instance: " + ex.toString());
             }
         });
     }

app/src/main/java/it/danieleverducci/nextcloudmaps/model/Geofavorite.java

@@ -20,21 +20,26 @@
 
 package it.danieleverducci.nextcloudmaps.model;
 
+import android.graphics.Color;
 import android.net.Uri;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.databinding.BindingAdapter;
 
 import com.google.gson.annotations.Expose;
 import com.google.gson.annotations.SerializedName;
 
+import org.threeten.bp.Instant;
+import org.threeten.bp.LocalDate;
+import org.threeten.bp.ZoneId;
+
 import java.io.Serializable;
 import java.util.Comparator;
-import java.util.Date;
 
 public class Geofavorite implements Serializable {
+    public static final String DEFAULT_CATEGORY = "Personal";
+    private static final double EARTH_RADIUS = 6371; // https://en.wikipedia.org/wiki/Earth_radius
+
     /**
      * JSON Definition:
      *     {
@@ -90,20 +95,26 @@ public class Geofavorite implements Serializable {
     }
 
     public void setName(String name) {
-        this.name = name;
+        if (!name.equals(this.name))
+            this.name = name;
     }
 
     public long getDateModified() {
         return dateModified;
     }
-
     public void setDateModified(long dateModified) {
         this.dateModified = dateModified;
     }
+    public LocalDate getLocalDateModified() {
+        return Instant.ofEpochSecond(getDateCreated()).atZone(ZoneId.systemDefault()).toLocalDate();
+    }
 
     public long getDateCreated() {
         return dateCreated;
     }
+    public LocalDate getLocalDateCreated() {
+        return Instant.ofEpochSecond(getDateCreated()).atZone(ZoneId.systemDefault()).toLocalDate();
+    }
 
     public void setDateCreated(long dateCreated) {
         this.dateCreated = dateCreated;
@@ -112,7 +123,6 @@ public class Geofavorite implements Serializable {
     public double getLat() {
         return lat;
     }
-
     public void setLat(double lat) {
         this.lat = lat;
     }
@@ -120,7 +130,6 @@ public class Geofavorite implements Serializable {
     public double getLng() {
         return lng;
     }
-
     public void setLng(double lng) {
         this.lng = lng;
     }
@@ -128,7 +137,6 @@ public class Geofavorite implements Serializable {
     public String getCategory() {
         return category;
     }
-
     public void setCategory(String category) {
         this.category = category;
     }
@@ -137,26 +145,76 @@ public class Geofavorite implements Serializable {
     public String getComment() {
         return comment;
     }
-
     public void setComment(String comment) {
         this.comment = comment;
     }
 
-    public static Comparator<Geofavorite> ByTitleAZ = (note, t1) -> note.name.compareTo(t1.name);
+    /**
+     * Comparators for list order
+     */
+    public static Comparator<Geofavorite> ByTitleAZ = (gf0, gf1) -> gf0.name.compareTo(gf1.name);
+    public static Comparator<Geofavorite> ByLastCreated = (gf0, gf1) -> (int) (gf1.dateCreated - gf0.dateCreated);
+    public static Comparator<Geofavorite> ByCategory = (gf0, gf1) -> gf0.category.compareTo(gf1.category);
+    public static Comparator<Geofavorite> ByDistance = (gf0, gf1) -> 0; // (int) ((gf1.getDistanceFrom(userPosition) - gf0.getDistanceFrom(userPosition)) * 1000);
 
-    public static Comparator<Geofavorite> ByLastCreated = (note, t1) -> t1.id - note.id;
+    public String getCoordinatesString() {
+        return this.lat + " N, " + this.lng + " E";
+    }
 
     public Uri getGeoUri() {
         return Uri.parse("geo:" + this.lat + "," + this.lng + "(" + this.name + ")");
     }
 
-    @BindingAdapter("formatDate")
-    public static void formatDate(@NonNull TextView textView, long timestamp) {
-        textView.setText((new Date(timestamp)).toString());
+    public boolean valid() {
+        return
+                getLat() != 0 && getLng() != 0 &&
+                getName() != null && getName().length() > 0 &&
+                getCategory() != null && getCategory().length() > 0;
     }
 
-    public boolean valid() {
-        return getLat() != 0 && getLng() != 0 && getName() != null && getName().length() > 0;
+    /**
+     * Returns the distance between the current Geofavorite and the provided one, in kilometers.
+     * @param other Geovavorite
+     * @return the distance in kilometers
+     */
+    public double getDistanceFrom(Geofavorite other) {
+        double latDistance = (other.lat-lat) * Math.PI / 180;
+        double lonDistance = (other.lng-lng) * Math.PI / 180;
+        double a =
+                Math.sin(latDistance / 2) * Math.sin(latDistance / 2) +
+                Math.cos(lat * Math.PI / 180) * Math.cos(other.lat * Math.PI / 180) *
+                Math.sin(lonDistance / 2) * Math.sin(lonDistance / 2);
+        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+        return EARTH_RADIUS * c;
+    }
+
+    /**
+     * Based on Nextcloud Maps's getLetterColor util.
+     * Assigns a color to a category based on its two first letters.
+     *
+     * @see "https://github.com/nextcloud/maps/blob/master/src/utils.js"
+     * @return the generated color or null for the default category
+     */
+    public int categoryColor() {
+        // If category is default, return null: will be used Nextcloud's accent
+        if (this.category.equals(DEFAULT_CATEGORY))
+            return 0;
+
+        float letter1Index = this.category.toLowerCase().charAt(0);
+        float letter2Index = this.category.toLowerCase().charAt(1);
+        float letterCoef = ((letter1Index * letter2Index) % 100) / 100;
+        float h = letterCoef * 360;
+        float s = 75 + letterCoef * 10;
+        float l = 50 + letterCoef * 10;
+        return Color.HSVToColor( new float[]{ Math.round(h), Math.round(s), Math.round(l) });
+    }
+
+    public String categoryLetter() {
+        if (category == null || category.length() == 0)
+            return "";
+        if (category.equals(DEFAULT_CATEGORY))
+            return "\u2022";
+        return category.substring(0,1);
     }
 
     @NonNull
@@ -164,4 +222,5 @@ public class Geofavorite implements Serializable {
     public String toString() {
         return "[" + getName() + " (" + getLat() + "," + getLng() + ")]";
     }
+
 }

app/src/main/java/it/danieleverducci/nextcloudmaps/repository/GeofavoriteRepository.java

@@ -0,0 +1,164 @@
+package it.danieleverducci.nextcloudmaps.repository;
+
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.MutableLiveData;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+
+import it.danieleverducci.nextcloudmaps.api.ApiProvider;
+import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+import it.danieleverducci.nextcloudmaps.utils.SingleLiveEvent;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+/**
+ * Singleton pattern
+ */
+public class GeofavoriteRepository {
+
+    private static final String TAG = "GeofavoriteRepository";
+    private static GeofavoriteRepository instance;
+    private MutableLiveData<List<Geofavorite>> mGeofavorites;
+    private MutableLiveData<HashSet<String>> mCategories = new MutableLiveData<HashSet<String>>();
+    private MutableLiveData<Boolean> mIsUpdating = new MutableLiveData<>(false);
+    private SingleLiveEvent<Boolean> mOnFinished = new SingleLiveEvent<>();
+
+    public static GeofavoriteRepository getInstance() {
+        if(instance == null){
+            instance = new GeofavoriteRepository();
+        }
+        return instance;
+    }
+
+    public MutableLiveData<List<Geofavorite>> getGeofavorites(){
+        if (mGeofavorites == null) {
+            mGeofavorites = new MutableLiveData<>();
+            mGeofavorites.setValue(new ArrayList<>());
+        }
+        return mGeofavorites;
+    }
+
+    public MutableLiveData<HashSet<String>> getCategories() {
+        return mCategories;
+    }
+
+    public MutableLiveData<Boolean> isUpdating() {
+        return mIsUpdating;
+    }
+
+    public SingleLiveEvent<Boolean> onFinished() {
+        return mOnFinished;
+    }
+
+    public void updateGeofavorites() {
+        mIsUpdating.postValue(true);
+        // Obtain geofavorites
+        Call<List<Geofavorite>> call = ApiProvider.getAPI().getGeofavorites();
+        call.enqueue(new Callback<List<Geofavorite>>() {
+            @Override
+            public void onResponse(@NonNull Call<List<Geofavorite>> call, @NonNull Response<List<Geofavorite>> response) {
+                if (response.isSuccessful() && response.body() != null) {
+                    mGeofavorites.postValue(response.body());
+                    updateCategories(response.body());
+                    mIsUpdating.postValue(false);
+                    mOnFinished.postValue(true);
+                } else {
+                    onFailure(call, new Throwable("Dataset is empty"));
+                }
+            }
+
+            @Override
+            public void onFailure(@NonNull Call<List<Geofavorite>> call, @NonNull Throwable t) {
+                mIsUpdating.postValue(false);
+                mOnFinished.postValue(false);
+            }
+        });
+    }
+
+    public Geofavorite getGeofavorite(int id) {
+        for (Geofavorite g : mGeofavorites.getValue()) {
+            if (g.getId() == id)
+                return g;
+        }
+        return null;
+    }
+
+    public void saveGeofavorite(Geofavorite geofav) {
+        mIsUpdating.postValue(true);
+        Call<Geofavorite> call;
+        if (geofav.getId() == 0) {
+            // New geofavorite
+            call = ApiProvider.getAPI().createGeofavorite(geofav);
+        } else {
+            // Update existing geofavorite
+            call = ApiProvider.getAPI().updateGeofavorite(geofav.getId(), geofav);
+        }
+        call.enqueue(new Callback<Geofavorite>() {
+            @Override
+            public void onResponse(Call<Geofavorite> call, Response<Geofavorite> response) {
+                if (response.isSuccessful()) {
+                    List<Geofavorite> geofavs = mGeofavorites.getValue();
+                    if (geofav.getId() != 0) {
+                        geofavs.remove(geofav);
+                    }
+                    geofavs.add(geofav);
+                    mGeofavorites.postValue(geofavs);
+                    mIsUpdating.postValue(false);
+                    mOnFinished.postValue(true);
+                } else {
+                    mIsUpdating.postValue(false);
+                    mOnFinished.postValue(false);
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Geofavorite> call, Throwable t) {
+                Log.e(TAG, t.getMessage());
+                mIsUpdating.postValue(false);
+                mOnFinished.postValue(false);
+            }
+        });
+    }
+
+    public void deleteGeofavorite(Geofavorite geofav) {
+        mIsUpdating.postValue(true);
+        // Delete Geofavorite
+        Call<Geofavorite> call = ApiProvider.getAPI().deleteGeofavorite(geofav.getId());
+        call.enqueue(new Callback<Geofavorite>() {
+            @Override
+            public void onResponse(Call<Geofavorite> call, Response<Geofavorite> response) {
+                List<Geofavorite> geofavs = mGeofavorites.getValue();
+                if (geofavs.remove(geofav)) {
+                    mGeofavorites.postValue(geofavs);
+                    mIsUpdating.postValue(false);
+                    mOnFinished.postValue(true);
+                } else {
+                    // Should never happen
+                    mIsUpdating.postValue(false);
+                    mOnFinished.postValue(false);
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Geofavorite> call, Throwable t) {
+                mIsUpdating.postValue(false);
+                mOnFinished.postValue(false);
+            }
+        });
+    }
+
+    private void updateCategories(List<Geofavorite> geofavs) {
+        HashSet<String> categories = new HashSet<>();
+        for (Geofavorite g : geofavs) {
+            categories.add(g.getCategory());
+        }
+        mCategories.postValue(categories);
+    }
+
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/utils/IntentGenerator.java

@@ -0,0 +1,27 @@
+package it.danieleverducci.nextcloudmaps.utils;
+
+import android.content.Context;
+import android.content.Intent;
+
+import it.danieleverducci.nextcloudmaps.R;
+import it.danieleverducci.nextcloudmaps.model.Geofavorite;
+
+public class IntentGenerator {
+    public static Intent newShareIntent(Context context, Geofavorite item) {
+        Intent i = new Intent();
+        i.setAction(Intent.ACTION_SEND);
+        i.setType("text/plain");
+        String shareMessage = context.getString(R.string.share_message)
+                .replace("{lat}", ""+item.getLat())
+                .replace("{lng}", ""+item.getLng());
+        i.putExtra(Intent.EXTRA_TEXT, shareMessage );
+        return i;
+    }
+
+    public static Intent newGeoUriIntent(Context context, Geofavorite item) {
+        Intent i = new Intent();
+        i.setAction(Intent.ACTION_VIEW);
+        i.setData(item.getGeoUri());
+        return i;
+    }
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/utils/SingleLiveEvent.java

@@ -0,0 +1,44 @@
+package it.danieleverducci.nextcloudmaps.utils;
+
+import androidx.annotation.MainThread;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * Events implementation in LiveData
+ * From: https://gist.github.com/teegarcs/319a3e7e4736a0cce8eba2216c52b0ca#file-singleliveevent
+ * @param <T>
+ */
+public class SingleLiveEvent<T> extends MutableLiveData<T> {
+    AtomicBoolean mPending = new AtomicBoolean(false);
+
+    @MainThread
+    @Override
+    public void setValue(T value) {
+        mPending.set(true);
+        super.setValue(value);
+    }
+
+    @MainThread
+    @Override
+    public void observe(@NonNull LifecycleOwner owner, @NonNull Observer<? super T> observer) {
+        super.observe(owner, new Observer<T>() {
+            @Override
+            public void onChanged(T t) {
+                if (mPending.compareAndSet(true, false)) {
+                    observer.onChanged(t);
+                }
+            }
+        });
+    }
+
+    /**
+     * Util function for Void implementations.
+     */
+    public void call() {
+        setValue(null);
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -1,27 +0,0 @@
-<!--
-  ~ Nextcloud Maps Geofavorites for Android
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License
-  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -->
-
-<vector
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="32dp"
-    android:viewportWidth="32"
-    android:viewportHeight="32">
-    <path
-        android:pathData="m6,2c-2.216,0 -4,1.784 -4,4v20c0,2.216 1.784,4 4,4h20c2.216,0 4,-1.784 4,-4v-16.719l-0.906,0.9068 -5.282,-5.2818 2.907,-2.9062h-20.719zM21.812,6.9062l5.282,5.2818 -8.313,8.312 -8.781,3.5 3.5,-8.781 8.312,-8.3128zM14.406,16.094l-2.656,4.406 1.75,1.75 4.406,-2.656 -3.5,-3.5z"
-        android:fillColor="#FFF"/>
-</vector>

app/src/main/res/drawable/category_listitem_background.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:left="8dp"
+        android:right="8dp"
+        android:top="8dp"
+        android:bottom="8dp">
+        <shape
+            android:shape="oval">
+            <solid android:color="@color/defaultBrand"/>
+        </shape>
+    </item>
+</layer-list>

app/src/main/res/drawable/floating_semitransparent_button_background.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:left="8dp"
+        android:right="8dp"
+        android:top="8dp"
+        android:bottom="8dp">
+        <shape
+            android:shape="oval">
+            <solid android:color="@color/defaultBrandAlpha"/>
+        </shape>
+    </item>
+</layer-list>

app/src/main/res/drawable/ic_category_asc.xml

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2l-5.5,9h11z"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M17.5,17.5m-4.5,0a4.5,4.5 0,1 1,9 0a4.5,4.5 0,1 1,-9 0"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M3,13.5h8v8H3z"/>
+</vector>

app/src/main/res/drawable/ic_distance_asc.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M21,3L3,10.53v0.98l6.84,2.65L12.48,21h0.98L21,3z"/>
+</vector>

app/src/main/res/drawable/ic_edit.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#0082C9"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z"/>
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-    android:height="108dp"
-    android:width="108dp"
-    android:viewportHeight="108"
-    android:viewportWidth="108"
-    xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#3DDC84"
-          android:pathData="M0,0h108v108h-108z"/>
-    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -2,13 +2,14 @@
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
-    android:viewportHeight="108">
-  <group android:scaleX="1.5525"
-      android:scaleY="1.5525"
-      android:translateX="29.16"
-      android:translateY="29.16">
+    android:viewportHeight="108"
+    android:tint="#FFFFFF">
+  <group android:scaleX="2.61"
+      android:scaleY="2.61"
+      android:translateX="22.68"
+      android:translateY="22.68">
     <path
-        android:pathData="m6,2c-2.216,0 -4,1.784 -4,4v20c0,2.216 1.784,4 4,4h20c2.216,0 4,-1.784 4,-4v-16.719l-0.906,0.9068 -5.282,-5.2818 2.907,-2.9062h-20.719zM21.812,6.9062l5.282,5.2818 -8.313,8.312 -8.781,3.5 3.5,-8.781 8.312,-8.3128zM14.406,16.094l-2.656,4.406 1.75,1.75 4.406,-2.656 -3.5,-3.5z"
-        android:fillColor="#FFF"/>
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C8.13,2 5,5.13 5,9c0,5.25 7,13 7,13s7,-7.75 7,-13c0,-3.87 -3.13,-7 -7,-7zM12,11.5c-1.38,0 -2.5,-1.12 -2.5,-2.5s1.12,-2.5 2.5,-2.5 2.5,1.12 2.5,2.5 -1.12,2.5 -2.5,2.5z"/>
   </group>
 </vector>

app/src/main/res/drawable/ic_map_pin.xml

@@ -0,0 +1,5 @@
+<vector android:height="48dp" android:tint="#0082C9"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,2C8.13,2 5,5.13 5,9c0,5.25 7,13 7,13s7,-7.75 7,-13c0,-3.87 -3.13,-7 -7,-7zM12,11.5c-1.38,0 -2.5,-1.12 -2.5,-2.5s1.12,-2.5 2.5,-2.5 2.5,1.12 2.5,2.5 -1.12,2.5 -2.5,2.5z"/>
+</vector>

app/src/main/res/drawable/ic_more.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z"/>
+</vector>

app/src/main/res/drawable/ic_nav.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M17,1.01L7,1c-1.1,0 -1.99,0.9 -1.99,2v18c0,1.1 0.89,2 1.99,2h10c1.1,0 2,-0.9 2,-2L19,3c0,-1.1 -0.9,-1.99 -2,-1.99zM17,19L7,19L7,5h10v14zM12.8,13.22v1.75l3.2,-2.99L12.8,9v1.7c-3.11,0.43 -4.35,2.56 -4.8,4.7 1.11,-1.5 2.58,-2.18 4.8,-2.18z"/>
+</vector>

app/src/main/res/drawable/ic_share.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z"/>
+</vector>

app/src/main/res/layout/activity_geofavorite_detail.xml

@@ -2,29 +2,74 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <data>
-        <variable
-            name="geofavorite"
-            type="it.danieleverducci.nextcloudmaps.model.Geofavorite"/>
-    </data>
-
-    <ScrollView
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:id="@+id/root">
 
-        <LinearLayout
-            android:orientation="vertical"
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/appbar"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="250dp"
+            android:fitsSystemWindows="true">
 
-            <ImageView
-                android:id="@+id/map"
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
                 android:layout_width="match_parent"
-                android:layout_height="200dp"
-                android:padding="50dp"
-                app:srcCompat="@drawable/ic_app"
-                android:background="@color/defaultBrand" />
+                android:layout_height="match_parent"
+                android:fitsSystemWindows="true"
+                app:contentScrim="@color/defaultBrand"
+                app:layout_scrollFlags="scroll|snap|exitUntilCollapsed"
+                app:title="@string/new_geobookmark"
+                app:expandedTitleTextAppearance="@style/TextAppearance.GeofavoriteDetail.Header.Expanded"
+                app:collapsedTitleTextAppearance="@style/TextAppearance.GeofavoriteDetail.Header.Collapsed">
+
+                <FrameLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    app:layout_collapseMode="parallax">
+                    <org.osmdroid.views.MapView
+                        android:id="@+id/map"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:focusable="false"
+                        android:clickable="false"/>
+                    <View
+                        android:id="@+id/map_bt"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"/>
+                </FrameLayout>
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:contentInsetStart="0dp"
+                    app:layout_collapseMode="pin"
+                    android:background="@android:color/transparent">
+
+                    <!-- Back button -->
+                    <ImageView
+                        android:id="@+id/back_bt"
+                        android:layout_width="?attr/actionBarSize"
+                        android:layout_height="?attr/actionBarSize"
+                        android:padding="16dp"
+                        android:src="@drawable/ic_back_grey"
+                        app:tint="@color/white"
+                        android:background="@drawable/floating_semitransparent_button_background"/>
+
+                </androidx.appcompat.widget.Toolbar>
+                    
+
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <androidx.core.widget.NestedScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -32,33 +77,104 @@
                 android:orientation="vertical"
                 android:padding="20dp">
 
+                <TextView
+                    android:id="@+id/accuracy_tv"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="10dp"
+                    android:textAlignment="center"
+                    android:text="@string/accuracy"
+                    android:textColor="@android:color/white"
+                    android:background="@android:color/darker_gray"/>
+
+                <LinearLayout
+                    android:id="@+id/action_icons"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:id="@+id/action_icon_share"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:padding="10dp"
+                        android:src="@drawable/ic_share"
+                        android:tint="@color/defaultBrand"/>
+
+                    <ImageView
+                        android:id="@+id/action_icon_nav"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:padding="10dp"
+                        android:src="@drawable/ic_nav"
+                        android:tint="@color/defaultBrand"/>
+
+                    <ImageView
+                        android:id="@+id/action_icon_delete"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:padding="10dp"
+                        android:src="@drawable/ic_delete_grey"
+                        android:tint="@color/defaultBrand"
+                        android:visibility="gone"/> <!-- TODO Implement delete -->
+
+
+                </LinearLayout>
+
                 <EditText
                     android:id="@+id/name_et"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
+                    android:layout_marginTop="40dp"
                     android:ems="10"
                     android:hint="@string/name"
                     android:lines="1"
                     android:maxLines="1"
                     android:singleLine="true"
-                    android:ellipsize="end"
-                    android:text="@{geofavorite.name}"/>
+                    android:textColor="@color/defaultBrand"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Title"
+                    android:background="@android:color/transparent"
+                    android:drawableLeft="@drawable/ic_edit"
+                    android:drawablePadding="5dp"
+                    android:drawableTint="@color/defaultBrand"/>
 
                 <EditText
                     android:id="@+id/description_et"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
                     android:ems="10"
                     android:gravity="start|top"
                     android:inputType="textMultiLine"
-                    android:hint="@string/description"
-                    android:ellipsize="end"
-                    android:text="@{geofavorite.comment}" />
+                    android:maxLines="10"
+                    android:background="@android:color/transparent"
+                    android:drawableLeft="@drawable/ic_edit"
+                    android:drawablePadding="5dp"
+                    android:drawableTint="@color/defaultBrand"
+                    android:hint="@string/description"/>
+
+                <AutoCompleteTextView
+                    android:id="@+id/category_at"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:ems="10"
+                    android:gravity="start|top"
+                    android:inputType="textMultiLine"
+                    android:maxLines="10"
+                    android:background="@android:color/transparent"
+                    android:drawableLeft="@drawable/ic_category_asc"
+                    android:drawablePadding="5dp"
+                    android:drawableTint="@color/defaultBrand"
+                    android:hint="@string/category"/>
 
                 <TextView
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="20dp"
+                    android:layout_marginTop="40dp"
                     android:textStyle="bold"
                     android:text="@string/created" />
 
@@ -66,8 +182,20 @@
                     android:id="@+id/created_tv"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:textAlignment="textEnd"
-                    app:formatDate="@{geofavorite.dateCreated}" />
+                    android:textAlignment="textEnd" />
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:textStyle="bold"
+                    android:text="@string/modified" />
+
+                <TextView
+                    android:id="@+id/modified_tv"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:textAlignment="textEnd" />
 
                 <TextView
                     android:layout_width="match_parent"
@@ -80,8 +208,14 @@
                     android:id="@+id/coords_tv"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:textAlignment="textEnd"
-                    android:text="@{geofavorite.lat +` °N, ` + geofavorite.lng + ` °E`}" />
+                    android:textAlignment="textEnd" />
+
+                <ProgressBar
+                    android:id="@+id/progress"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:indeterminate="true"
+                    android:visibility="gone"/>
 
                 <Button
                     android:id="@+id/submit_bt"
@@ -95,6 +229,7 @@
 
             </LinearLayout>
 
-        </LinearLayout>
-    </ScrollView>
+        </androidx.core.widget.NestedScrollView>
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 </layout>

app/src/main/res/layout/activity_list_view.xml

@@ -145,9 +145,9 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 app:layoutManager="androidx.recyclerview.widget.StaggeredGridLayoutManager"
-                app:spanCount="2"
+                app:spanCount="1"
                 tools:itemCount="3"
-                tools:listitem="@layout/item_note">
+                tools:listitem="@layout/item_geofav">
             </androidx.recyclerview.widget.RecyclerView>
 
         </androidx.core.widget.NestedScrollView>

app/src/main/res/layout/item_geofav.xml

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Nextcloud Maps Geofavorites for Android
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="90dp"
+    android:gravity="center_vertical"
+    android:clickable="true"
+    android:focusable="true">
+
+    <TextView
+        android:id="@+id/tv_category"
+        android:layout_width="64dp"
+        android:layout_height="64dp"
+        android:layout_marginStart="4dp"
+        android:layout_weight="0"
+        android:background="@drawable/category_listitem_background"
+        android:gravity="center"
+        android:textSize="28dp"
+        android:textAllCaps="true"
+        android:textColor="@color/white"/>
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_weight="1">
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:singleLine="true"
+            android:maxLines="1"
+            android:lines="1"
+            android:ellipsize="middle"
+            android:textColor="@color/text_color"
+            android:textSize="@dimen/two_line_primary_text_size"
+            tools:text="@tools:sample/lorem/random">
+        </TextView>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/content"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:layout_marginEnd="10dp"
+                android:textColor="@color/secondary_text_color"
+                android:textSize="@dimen/two_line_secondary_text_size"
+                android:maxLines="1"
+                android:lines="1"
+                android:ellipsize="end"
+                android:gravity="center_vertical"
+                tools:text="@tools:sample/lorem/random">
+            </TextView>
+
+            <TextView
+                android:id="@+id/date"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="0"
+                android:textColor="@color/secondary_text_color"
+                android:textSize="@dimen/two_line_secondary_text_size"
+                android:maxLines="1"
+                android:lines="1"
+                android:gravity="center_vertical"
+                tools:text="00/00/0000">
+            </TextView>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <ImageView
+        android:id="@+id/geofav_nav_bt"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_weight="0"
+        android:padding="8dp"
+        android:src="@drawable/ic_nav"
+        android:tint="@color/secondary_text_color" /> <!-- TODO: app:tint is not working -->
+
+    <ImageView
+        android:id="@+id/geofav_context_menu_bt"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_weight="0"
+        android:padding="8dp"
+        android:src="@drawable/ic_more"
+        android:tint="@color/secondary_text_color" /> <!-- TODO: app:tint is not working -->
+
+</LinearLayout>

app/src/main/res/layout/item_note.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Nextcloud Maps Geofavorites for Android
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License
-  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="horizontal"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:padding="12dp"
-    android:clickable="true"
-    android:focusable="true">
-
-    <ImageView
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_weight="0"
-        android:layout_marginRight="10dp"
-        android:src="@mipmap/ic_launcher"/>
-
-    <LinearLayout
-        android:orientation="vertical"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content">
-
-        <TextView
-            android:id="@+id/title"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:textSize="@dimen/note_font_size_item_title"
-            android:textStyle="bold"
-            android:singleLine="true"
-            android:maxLines="1"
-            android:lines="1"
-            android:ellipsize="end"
-            tools:text="@tools:sample/lorem/random">
-        </TextView>
-
-        <TextView
-            android:id="@+id/content"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="5dp"
-            android:textSize="@dimen/note_font_size_item_content"
-            android:maxLines="2"
-            android:lines="2"
-            tools:text="@tools:sample/lorem/random">
-        </TextView>
-
-    </LinearLayout>
-
-
-</LinearLayout>

app/src/main/res/layout/sorting_order_fragment.xml

@@ -111,6 +111,77 @@
 
             </TableRow>
 
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/standard_half_margin">
+
+                <ImageButton
+                    android:id="@+id/sortByCategoryAscending"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:background="@color/transparent"
+                    android:paddingStart="@dimen/standard_padding"
+                    android:paddingTop="@dimen/standard_half_padding"
+                    android:paddingEnd="@dimen/standard_half_padding"
+                    android:paddingBottom="@dimen/standard_half_padding"
+                    android:contentDescription="@string/menu_item_sort_by_category_a_z"
+                    android:src="@drawable/ic_category_asc"/>
+
+                <TextView
+                    android:id="@+id/sortByCategoryAscendingText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:layout_weight="1"
+                    android:ellipsize="middle"
+                    android:paddingStart="@dimen/zero"
+                    android:paddingTop="@dimen/standard_half_padding"
+                    android:paddingEnd="@dimen/standard_half_padding"
+                    android:paddingBottom="@dimen/standard_half_padding"
+                    android:singleLine="true"
+                    android:text="@string/menu_item_sort_by_category_a_z"
+                    android:textSize="@dimen/two_line_primary_text_size" />
+
+            </TableRow>
+
+            <TableRow
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/standard_half_margin"
+                android:visibility="gone">  <!-- TODO: complete sorting by distance -->
+
+                <ImageButton
+                    android:id="@+id/sortByDistanceAscending"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:background="@color/transparent"
+                    android:paddingStart="@dimen/standard_padding"
+                    android:paddingTop="@dimen/standard_half_padding"
+                    android:paddingEnd="@dimen/standard_half_padding"
+                    android:paddingBottom="@dimen/standard_half_padding"
+                    android:contentDescription="@string/menu_item_sort_by_distance_nearest_first"
+                    android:src="@drawable/ic_distance_asc"/>
+
+                <TextView
+                    android:id="@+id/sortByDistanceAscendingText"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:layout_weight="1"
+                    android:ellipsize="middle"
+                    android:paddingStart="@dimen/zero"
+                    android:paddingTop="@dimen/standard_half_padding"
+                    android:paddingEnd="@dimen/standard_half_padding"
+                    android:paddingBottom="@dimen/standard_half_padding"
+                    android:singleLine="true"
+                    android:text="@string/menu_item_sort_by_distance_nearest_first"
+                    android:textSize="@dimen/two_line_primary_text_size" />
+
+            </TableRow>
+
         </TableLayout>
 
     </ScrollView>

app/src/main/res/menu/list_context_menu.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <!-- Share button -->
+    <item
+        android:id="@+id/list_context_menu_share"
+        android:title="@string/list_context_menu_share"/>
+    <!-- Delete button -->
+    <item
+        android:id="@+id/list_context_menu_delete"
+        android:title="@string/list_context_menu_delete"/>
+</menu>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/values/colors.xml

@@ -17,15 +17,19 @@
   -->
 
 <resources>
-    <!-- Colors -->
-
+    <!-- Generic Colors -->
     <color name="primary">#ffffff</color>
     <color name="accent">#121212</color>
     <color name="transparent">#00000000</color>
-
     <color name="defaultBrand">#0082C9</color>
-
+    <color name="defaultBrandAlpha">#550082C9</color>
     <color name="appbar">@android:color/white</color>
-
     <color name="defaultTint">#202124</color>
+
+    <!-- List Colors -->
+    <color name="text_color">#333333</color>
+    <color name="secondary_text_color">#666666</color>
+
+    <!-- Generic Colors -->
+    <color name="white">#fff</color>
 </resources>

app/src/main/res/values/dimens.xml

@@ -28,14 +28,12 @@
     <dimen name="drawer_header_logo_size">42dp</dimen>
 
     <!-- Font Sizes -->
-    <dimen name="note_font_size_item_title">18sp</dimen>
-    <dimen name="note_font_size_item_content">14sp</dimen>
-
     <dimen name="zero">0dp</dimen>
     <dimen name="standard_margin">16dp</dimen>
     <dimen name="standard_half_margin">8dp</dimen>
     <dimen name="standard_padding">16dp</dimen>
     <dimen name="standard_half_padding">8dp</dimen>
     <dimen name="two_line_primary_text_size">16sp</dimen>
+    <dimen name="two_line_secondary_text_size">12sp</dimen>
 
 </resources>

app/src/main/res/values/ic_launcher_background.xml

@@ -1,21 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Nextcloud Maps Geofavorites for Android
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License
-  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -->
-
 <resources>
     <color name="ic_launcher_background">#0082C9</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -29,22 +29,37 @@
     <string name="switch_account">Switch account</string>
     <string name="list_mode">List</string>
     <string name="search_in_all">Search by name</string>
+    <string name="share_via">Share via</string>
+    <string name="share_message">Check out this place: {lat}°N, {lng}°E    https://www.openstreetmap.org/#map=17/{lat}/{lng}</string>
+    <string name="list_context_menu_share">Share</string>
+    <string name="list_context_menu_delete">Delete</string>
+    <string name="dialog_delete_title">Delete geobookmark</string>
+    <string name="dialog_delete_message">You are about to delete geobookmark {name}. Proceed?</string>
+    <string name="dialog_delete_delete">Delete</string>
+    <string name="dialog_delete_cancel">Maintain</string>
+    <string name="list_geofavorite_deleted">Geofavorite deleted</string>
+    <string name="list_geofavorite_connection_error">Unable to obtain geofavorites list</string>
 
     <!-- Sort dialog -->
     <string name="sort_by">Sort by</string>
     <string name="menu_item_sort_by_title_a_z">A - Z</string>
     <string name="menu_item_sort_by_date_newest_first">Newest first</string>
-    <string name="menu_item_sort_by_distance">Distance</string>
+    <string name="menu_item_sort_by_category_a_z">Category</string>
+    <string name="menu_item_sort_by_distance_nearest_first">Distance</string>
 
     <!-- Geobookmarks detail -->
     <string name="name">Name</string>
     <string name="description">Description</string>
     <string name="created">Created</string>
+    <string name="modified">Modified</string>
+    <string name="category">Category</string>
     <string name="coords">Coordinates</string>
+    <string name="accuracy">Accuracy: {accuracy} m</string>
     <string name="location_permission_required">Location permission is required to create a geofavorite.</string>
     <string name="confirm">Save</string>
     <string name="error_saving_geofavorite">Unable to save geofavorite</string>
-    <string name="incomplete_geofavorite">Incomplete geofavorite: Name and GPS coordinates are mandatory</string>
+    <string name="geofavorite_saved">Geofavorite saved</string>
+    <string name="incomplete_geofavorite">Incomplete geofavorite: Name and category are mandatory</string>
 
     <!-- About -->
     <string name="about_version_title">Version</string>

app/src/main/res/values/styles.xml

@@ -20,6 +20,7 @@
     <style name="BaseTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/primary</item>
+<!--        <item name="android:textColorPrimary">@color/white</item>-->
         <item name="colorPrimaryDark">@color/primary</item>
         <item name="colorAccent">@color/accent</item>
         <item name="android:actionModeBackground">?attr/colorPrimary</item>
@@ -48,4 +49,15 @@
         <item name="android:background">?attr/colorPrimary</item>
     </style>
 
+    <!-- Geofavorite detail text appearances -->
+
+    <style name="TextAppearance.GeofavoriteDetail.Header.Expanded" parent="TextAppearance.Design.CollapsingToolbar.Expanded">
+        <item name="android:textSize">36sp</item>
+        <item name="android:textColor">@color/defaultBrand</item>
+    </style>
+
+    <style name="TextAppearance.GeofavoriteDetail.Header.Collapsed" parent="TextAppearance.AppCompat.Title">
+        <item name="android:textColor">@color/white</item>
+    </style>
+
 </resources>

fastlane/metadata/android/en-US/full_description.txt

@@ -1,3 +1,4 @@
-Shows your Nextcloud Maps geobookmarks list. Geobookmarks can be opened in all apps supporting geo links (i.e. Google Maps, Organic Maps etc...).
+UNOFFICIAL Nextcloud Maps client at its earliest stages of developement. Shows your Nextcloud Maps geobookmarks list.
+Geobookmarks can be opened in all apps supporting geo links (i.e. Google Maps, Organic Maps etc...).
 A new geobookmark can be created on current location.
 Requires Maps app to be installed on the Nextcloud instance.

fastlane/metadata/android/en-US/short_description.txt

@@ -1 +1 @@
-Manage Nextcloud Maps Geobookmarks on your Android phone
+Manage Nextcloud Maps Geobookmarks on your phone

gradle/wrapper/gradle-wrapper.properties

@@ -20,4 +20,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip