statistics

An unspecified amount has also been added
to have the same semantics as before.

During these actions, the strings for title
and description of dialogs have been cleaned up.

app/build.gradle.kts

@@ -60,4 +60,7 @@ dependencies {
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)
     debugImplementation(libs.androidx.ui.test.manifest)
+    implementation("com.github.PhilJay:MPAndroidChart:v3.1.0")
+//    implementation(libs.mpandroidchart)
+    //implementation project(':MPChartLib')
 }

app/src/main/AndroidManifest.xml

@@ -30,6 +30,10 @@
             android:name=".SettingsActivity"
             android:label="@string/settings_title"
             android:theme="@style/Theme.LunaTracker"/>
+        <activity
+            android:name=".StatisticsActivity"
+            android:label="@string/statistics_title"
+            android:theme="@style/Theme.LunaTracker"/>
     </application>
 
 </manifest>

app/src/main/java/it/danieleverducci/lunatracker/MainActivity.kt

@@ -6,12 +6,14 @@ import android.content.DialogInterface
 import android.content.Intent
 import android.os.Bundle
 import android.os.Handler
+import android.text.Editable
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
+import android.widget.Button
 import android.widget.EditText
 import android.widget.NumberPicker
 import android.widget.PopupWindow
@@ -85,7 +87,7 @@ class MainActivity : AppCompatActivity() {
             showAddLogbookDialog(true)
         }
         findViewById<View>(R.id.button_bottle).setOnClickListener {
-            addBabyBottleEvent()
+            addBabyBottleEvent(LunaEvent(LunaEvent.TYPE_BABY_BOTTLE))
         }
         findViewById<View>(R.id.button_food).setOnClickListener {
             addNoteEvent(LunaEvent(LunaEvent.TYPE_FOOD))
@@ -195,8 +197,8 @@ class MainActivity : AppCompatActivity() {
         return logbook?.logs ?: arrayListOf()
     }
 
-    fun addBabyBottleEvent() {
-        val event = LunaEvent(LunaEvent.TYPE_BABY_BOTTLE)
+    fun addBabyBottleEvent(event: LunaEvent) {
+        setToPreviousQuantity(event)
         askBabyBottleContent(event, true) {
             saveEvent(event)
         }
@@ -239,6 +241,7 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun addWeightEvent(event: LunaEvent) {
+        setToPreviousQuantity(event)
         askWeightValue(event, true) { saveEvent(event) }
     }
 
@@ -282,6 +285,7 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun addTemperatureEvent(event: LunaEvent) {
+        setToPreviousQuantity(event)
         askTemperatureValue(event, true) { saveEvent(event) }
     }
 
@@ -328,7 +332,7 @@ class MainActivity : AppCompatActivity() {
         alertDialog.show()
     }
 
-    fun datePickerHelper(time: Long, dateTextView: TextView): Calendar {
+    fun datePickerHelper(time: Long, dateTextView: TextView, onChange: (Long) -> Unit = {}): Calendar {
         dateTextView.text = DateUtils.formatDateTime(time)
 
         val dateTime = Calendar.getInstance()
@@ -347,6 +351,7 @@ class MainActivity : AppCompatActivity() {
                     { _, hour, minute ->
                         dateTime.set(year, month, day, hour, minute)
                         dateTextView.text = DateUtils.formatDateTime(dateTime.time.time / 1000)
+                        onChange.invoke(dateTime.time.time / 1000)
                     },
                     startHour,
                     startMinute,
@@ -369,6 +374,93 @@ class MainActivity : AppCompatActivity() {
         saveLogbook()
     }
 
+    fun addSleepEvent(event: LunaEvent) {
+        askSleepValue(event) { saveEvent(event) }
+    }
+
+    fun askSleepValue(event: LunaEvent, onPositive: () -> Unit) {
+        val d = AlertDialog.Builder(this)
+        val dialogView = layoutInflater.inflate(R.layout.dialog_edit_duration, null)
+        d.setTitle(event.getTypeDescription(this))
+        d.setMessage(event.getDialogMessage(this))
+        d.setView(dialogView)
+
+        val durationTextView = dialogView.findViewById<TextView>(R.id.dialog_date_duration)
+        val durationNowButton = dialogView.findViewById<Button>(R.id.dialog_date_duration_now)
+        val datePicker = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
+        val durationMinus5Button = dialogView.findViewById<Button>(R.id.dialog_date_duration_minus5)
+        val durationPlus5Button = dialogView.findViewById<Button>(R.id.dialog_date_duration_plus5)
+
+        val currentDurationTextColor = durationTextView.currentTextColor
+        val invalidDurationTextColor = ContextCompat.getColor(this, R.color.danger)
+
+        var duration = event.quantity
+
+        fun isValidTime(timeSeconds: Long, durationSeconds: Int): Boolean {
+            val now = Calendar.getInstance().time.time / 1000
+            return (timeSeconds + durationSeconds) <= now && durationSeconds < (12 * 60 * 60)
+        }
+
+        val onDateChange = { time: Long ->
+            durationTextView.setTextColor(currentDurationTextColor)
+
+            if (duration == 0) {
+                // baby is sleeping
+                durationTextView.text = "💤"
+            } else {
+                durationTextView.text = DateUtils.formatTimeDuration(applicationContext, duration.toLong())
+                if (!isValidTime(time, duration)) {
+                    durationTextView.setTextColor(invalidDurationTextColor)
+                }
+            }
+        }
+
+        val pickedDateTime = datePickerHelper(event.time, datePicker, onDateChange)
+
+        onDateChange(pickedDateTime.time.time / 1000)
+
+        fun adjust(minutes: Int) {
+            duration += minutes * 60
+            if (duration < 0) {
+                duration = 0
+            }
+            onDateChange(pickedDateTime.time.time / 1000)
+        }
+
+        durationMinus5Button.setOnClickListener { adjust(-5) }
+        durationPlus5Button.setOnClickListener { adjust(5) }
+
+        durationNowButton.setOnClickListener {
+            val now = Calendar.getInstance().time.time / 1000
+            val start = pickedDateTime.time.time / 1000
+            if (now > start) {
+                duration = (now - start).toInt()
+                duration -= duration % 60 // prevent printing of seconds
+                onDateChange(pickedDateTime.time.time / 1000)
+            }
+        }
+
+        d.setPositiveButton(android.R.string.ok) { dialogInterface, i ->
+            val time = pickedDateTime.time.time / 1000
+
+            if (isValidTime(time, duration)) {
+                event.time = time
+                event.quantity = duration
+                onPositive()
+            } else {
+                Toast.makeText(this, R.string.toast_date_error, Toast.LENGTH_SHORT).show()
+            }
+            dialogInterface.dismiss()
+        }
+
+        d.setNegativeButton(android.R.string.cancel) { dialogInterface, i ->
+            dialogInterface.dismiss()
+        }
+
+        val alertDialog = d.create()
+        alertDialog.show()
+    }
+
     fun addAmountEvent(event: LunaEvent) {
         askAmountValue(event, true) { saveEvent(event) }
     }
@@ -457,13 +549,59 @@ class MainActivity : AppCompatActivity() {
         val notesET = dialogView.findViewById<EditText>(R.id.notes_edittext)
         val qtyET = dialogView.findViewById<EditText>(R.id.notes_qty_edittext)
 
-        val dateTV = dialogView.findViewById<TextView>(R.id.notes_date_picker)
+        val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
         val pickedTime = datePickerHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
 
+        val nextTextView = dialogView.findViewById<TextView>(R.id.notes_template_next)
+        val prevTextView = dialogView.findViewById<TextView>(R.id.notes_template_prev)
+        val templates = getAllEvents().filter { it.type == event.type }.distinctBy { it.notes.trim() }.sortedBy { it.time }
+
+        fun updateContent(current: LunaEvent) {
+            val prevEvent = getPreviousSameEvent(current, templates)
+            var nextEvent = getNextSameEvent(current, templates)
+
+            notesET.setText(current.notes)
+            if (useQuantity) {
+                qtyET.setText(current.quantity.toString())
+            }
+
+            if (nextEvent == null && current != event) {
+                nextEvent = event
+            }
+
+            if (nextEvent != null) {
+                nextTextView.setOnClickListener {
+                    notesET.setText(nextEvent.notes)
+                    if (useQuantity) {
+                        qtyET.setText(nextEvent.quantity.toString())
+                    }
+                    updateContent(nextEvent)
+                }
+                nextTextView.alpha = 1.0f
+            } else {
+                nextTextView.setOnClickListener {}
+                nextTextView.alpha = 0.5f
+            }
+
+            if (prevEvent != null) {
+                prevTextView.setOnClickListener {
+                    notesET.setText(prevEvent.notes)
+                    if (useQuantity) {
+                        qtyET.setText(prevEvent.quantity.toString())
+                    }
+                    updateContent(prevEvent)
+                }
+                prevTextView.alpha = 1.0f
+            } else {
+                prevTextView.setOnClickListener {}
+                prevTextView.alpha = 0.5f
+            }
+        }
+
         notesET.setText(event.notes)
 
         if (useQuantity) {
@@ -472,6 +610,8 @@ class MainActivity : AppCompatActivity() {
             qtyET.visibility = View.GONE
         }
 
+        updateContent(event)
+
         d.setPositiveButton(android.R.string.ok) { dialogInterface, i ->
             val notes = notesET.text.toString()
 
@@ -483,7 +623,7 @@ class MainActivity : AppCompatActivity() {
                     event.quantity = quantity
                     onPositive()
                 } else {
-                    Toast.makeText(applicationContext, R.string.toast_integer_error, Toast.LENGTH_SHORT).show()
+                    Toast.makeText(this, R.string.toast_integer_error, Toast.LENGTH_SHORT).show()
                 }
 
             } else {
@@ -523,7 +663,14 @@ class MainActivity : AppCompatActivity() {
         alertDialog.show()
     }
 
-    fun getPreviousSameEvent(event: LunaEvent, items: ArrayList<LunaEvent>): LunaEvent? {
+    fun setToPreviousQuantity(event: LunaEvent) {
+        val prev = getPreviousSameEvent(event, getAllEvents())
+        if (prev != null) {
+            event.quantity = prev.quantity
+        }
+    }
+
+    fun getPreviousSameEvent(event: LunaEvent, items: List<LunaEvent>): LunaEvent? {
         var previousEvent: LunaEvent? = null
         for (item in items) {
             if (item.type == event.type && item.time < event.time) {
@@ -537,7 +684,7 @@ class MainActivity : AppCompatActivity() {
         return previousEvent
     }
 
-    fun getNextSameEvent(event: LunaEvent, items: ArrayList<LunaEvent>): LunaEvent? {
+    fun getNextSameEvent(event: LunaEvent, items: List<LunaEvent>): LunaEvent? {
         var nextEvent: LunaEvent? = null
         for (item in items) {
             if (item.type == event.type && item.time > event.time) {
@@ -554,6 +701,12 @@ class MainActivity : AppCompatActivity() {
     fun showEventDetailDialog(originalEvent: LunaEvent) {
         val event = LunaEvent(originalEvent)
 
+        fun eventValuesChanged(): Boolean {
+            return (event.time != originalEvent.time
+                || event.quantity != originalEvent.quantity
+                || event.notes != originalEvent.notes)
+        }
+
         // Do not update list while the detail is shown, to avoid changing the object below while it is changed by the user
         pauseLogbookUpdate = true
 
@@ -564,39 +717,13 @@ class MainActivity : AppCompatActivity() {
         val emojiTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_emoji)
         val descriptionTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_description)
         val dateTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_date)
+        val dateEndTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_date_end)
         val quantityTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_quantity)
         val notesTextView = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_notes)
 
         emojiTextView.text = event.getTypeEmoji(this)
         descriptionTextView.text = event.getTypeDescription(this)
 
-        val pickedTime = datePickerHelper(event.time, dateTextView)
-        val updateValues = {
-            quantityTextView.text = NumericUtils(this).formatEventQuantity(event)
-            notesTextView.text = event.notes
-        }
-        updateValues()
-
-        quantityTextView.setOnClickListener {
-            when (event.type) {
-                LunaEvent.TYPE_BABY_BOTTLE -> askBabyBottleContent(event, false, updateValues)
-                LunaEvent.TYPE_WEIGHT -> askWeightValue(event, false, updateValues)
-                LunaEvent.TYPE_DIAPERCHANGE_POO,
-                LunaEvent.TYPE_DIAPERCHANGE_PEE,
-                LunaEvent.TYPE_PUKE -> askAmountValue(event, false, updateValues)
-                LunaEvent.TYPE_TEMPERATURE -> askTemperatureValue(event, false, updateValues)
-                LunaEvent.TYPE_NOTE -> askNotes(event, false, updateValues)
-            }
-        }
-
-        notesTextView.setOnClickListener {
-            when (event.type) {
-                LunaEvent.TYPE_FOOD,
-                LunaEvent.TYPE_MEDICINE,
-                LunaEvent.TYPE_NOTE -> askNotes(event, false, updateValues)
-            }
-        }
-
         d.setView(dialogView)
 
         d.setNeutralButton(R.string.dialog_event_detail_delete_button) { dialogInterface, i ->
@@ -604,12 +731,8 @@ class MainActivity : AppCompatActivity() {
             dialogInterface.dismiss()
         }
 
-        d.setPositiveButton(R.string.dialog_event_detail_close_button) { dialogInterface, i ->
-            event.time = pickedTime.time.time / 1000
-
-            if (event.time != originalEvent.time
-                    || event.quantity != originalEvent.quantity
-                    || event.notes != originalEvent.notes) {
+        d.setNegativeButton(R.string.dialog_event_detail_save_button) { dialogInterface, i ->
+            if (eventValuesChanged()) {
                 originalEvent.time = event.time
                 originalEvent.quantity = event.quantity
                 originalEvent.notes = event.notes
@@ -619,6 +742,10 @@ class MainActivity : AppCompatActivity() {
             dialogInterface.dismiss()
         }
 
+        d.setPositiveButton(R.string.dialog_event_detail_close_button) { dialogInterface, i ->
+            dialogInterface.dismiss()
+        }
+
         val alertDialog = d.create()
         alertDialog.show()
 
@@ -631,6 +758,50 @@ class MainActivity : AppCompatActivity() {
             pauseLogbookUpdate = false
         }
 
+        val updateValues = {
+            quantityTextView.text = NumericUtils(this).formatEventQuantity(event)
+            notesTextView.text = event.notes
+            if (event.type == LunaEvent.TYPE_SLEEP && event.quantity > 0) {
+                dateEndTextView.text = DateUtils.formatDateTime(event.time + event.quantity)
+                dateEndTextView.visibility = View.VISIBLE
+            } else {
+                dateEndTextView.visibility = View.GONE
+            }
+
+            alertDialog.getButton(DialogInterface.BUTTON_NEGATIVE).visibility = if (eventValuesChanged()) {
+                View.VISIBLE
+            } else {
+                View.GONE
+            }
+        }
+        updateValues()
+
+        datePickerHelper(event.time, dateTextView, { newTime: Long ->
+            event.time = newTime
+            updateValues()
+        })
+
+        quantityTextView.setOnClickListener {
+            when (event.type) {
+                LunaEvent.TYPE_BABY_BOTTLE -> askBabyBottleContent(event, false, updateValues)
+                LunaEvent.TYPE_WEIGHT -> askWeightValue(event, false, updateValues)
+                LunaEvent.TYPE_DIAPERCHANGE_POO,
+                LunaEvent.TYPE_DIAPERCHANGE_PEE,
+                LunaEvent.TYPE_PUKE -> askAmountValue(event, false, updateValues)
+                LunaEvent.TYPE_TEMPERATURE -> askTemperatureValue(event, false, updateValues)
+                LunaEvent.TYPE_NOTE -> askNotes(event, false, updateValues)
+                LunaEvent.TYPE_SLEEP -> askSleepValue(event, updateValues)
+            }
+        }
+
+        notesTextView.setOnClickListener {
+            when (event.type) {
+                LunaEvent.TYPE_FOOD,
+                LunaEvent.TYPE_MEDICINE,
+                LunaEvent.TYPE_NOTE -> askNotes(event, false, updateValues)
+            }
+        }
+
         // show optional signature
         if (event.signature.isNotEmpty()) {
             val signatureTextEdit = dialogView.findViewById<TextView>(R.id.dialog_event_detail_type_signature)
@@ -772,7 +943,7 @@ class MainActivity : AppCompatActivity() {
                 runOnUiThread({
                     setLoading(false)
                     loadLogbookList()
-                    Toast.makeText(applicationContext, getString(R.string.logbook_created) + logbookName, Toast.LENGTH_SHORT).show()
+                    Toast.makeText(this@MainActivity, getString(R.string.logbook_created) + logbookName, Toast.LENGTH_SHORT).show()
                 })
             }
 
@@ -929,7 +1100,7 @@ class MainActivity : AppCompatActivity() {
                     setLoading(false)
 
                     Toast.makeText(
-                        applicationContext,
+                        this@MainActivity,
                         if (lastEventAdded != null)
                             R.string.toast_event_added
                         else
@@ -991,7 +1162,7 @@ class MainActivity : AppCompatActivity() {
         runOnUiThread({
             setLoading(false)
 
-            Toast.makeText(applicationContext, R.string.toast_event_add_error, Toast.LENGTH_SHORT).show()
+            Toast.makeText(this@MainActivity, R.string.toast_event_add_error, Toast.LENGTH_SHORT).show()
             recyclerView.adapter?.notifyDataSetChanged()
             savingEvent(false)
         })
@@ -1043,6 +1214,10 @@ class MainActivity : AppCompatActivity() {
                 addAmountEvent(LunaEvent(LunaEvent.TYPE_PUKE))
                 dismiss()
             }
+            contentView.findViewById<View>(R.id.button_sleep).setOnClickListener {
+                addSleepEvent(LunaEvent(LunaEvent.TYPE_SLEEP))
+                dismiss()
+            }
             contentView.findViewById<View>(R.id.button_colic).setOnClickListener {
                 addPlainEvent(LunaEvent(LunaEvent.TYPE_COLIC))
                 dismiss()
@@ -1055,6 +1230,16 @@ class MainActivity : AppCompatActivity() {
                 addPlainEvent(LunaEvent(LunaEvent.TYPE_BATH))
                 dismiss()
             }
+            contentView.findViewById<View>(R.id.button_statistics).setOnClickListener {
+                if (logbook != null && !pauseLogbookUpdate) {
+                    val i = Intent(applicationContext, StatisticsActivity::class.java)
+                    i.putExtra("LOOGBOOK_NAME", logbook!!.name)
+                    startActivity(i)
+                } else {
+                    Toast.makeText(applicationContext, "No logbook selected!", Toast.LENGTH_SHORT).show()
+                }
+                dismiss()
+            }
         }.also { popupWindow ->
             popupWindow.setOnDismissListener({
                 Handler(mainLooper).postDelayed({

app/src/main/java/it/danieleverducci/lunatracker/StatisticsActivity.kt

@@ -0,0 +1,885 @@
+package it.danieleverducci.lunatracker
+
+import android.graphics.Color
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.Spinner
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.github.mikephil.charting.charts.BarChart
+import com.github.mikephil.charting.data.BarData
+import com.github.mikephil.charting.data.BarDataSet
+import com.github.mikephil.charting.data.BarEntry
+import com.github.mikephil.charting.formatter.ValueFormatter
+import com.github.mikephil.charting.interfaces.datasets.IBarDataSet
+import com.thegrizzlylabs.sardineandroid.impl.SardineException
+import it.danieleverducci.lunatracker.MainActivity.Companion.TAG
+import it.danieleverducci.lunatracker.entities.Logbook
+import it.danieleverducci.lunatracker.entities.LunaEvent
+import it.danieleverducci.lunatracker.repository.FileLogbookRepository
+import it.danieleverducci.lunatracker.repository.LocalSettingsRepository
+import it.danieleverducci.lunatracker.repository.LogbookListObtainedListener
+import it.danieleverducci.lunatracker.repository.LogbookLoadedListener
+import it.danieleverducci.lunatracker.repository.LogbookRepository
+import it.danieleverducci.lunatracker.repository.WebDAVLogbookRepository
+import okio.IOException
+import org.json.JSONException
+import utils.DateUtils.Companion.formatTimeDuration
+import utils.NumericUtils
+import java.util.Calendar
+import java.util.Date
+import kotlin.math.max
+import kotlin.math.min
+
+abstract class LogbookBase: AppCompatActivity() {
+    var logbook: Logbook? = null
+    var logbookName: String? = null
+    lateinit var logbookRepo: LogbookRepository
+
+    fun initLogbookBase() {
+        Log.d(TAG, "LogbookBase init")
+        val settingsRepository = LocalSettingsRepository(this)
+        if (settingsRepository.loadDataRepository() == LocalSettingsRepository.DATA_REPO.WEBDAV) {
+            val webDavCredentials = settingsRepository.loadWebdavCredentials()
+            if (webDavCredentials == null) {
+                throw IllegalStateException("Corrupted local settings: repo is webdav, but no webdav login data saved")
+            }
+            logbookRepo = WebDAVLogbookRepository(
+                webDavCredentials[0],
+                webDavCredentials[1],
+                webDavCredentials[2]
+            )
+        } else {
+            logbookRepo = FileLogbookRepository()
+        }
+
+        if (logbook != null) {
+            // Already running: reload data for currently selected logbook
+            loadLogbook(logbook!!.name)
+        } else {
+            // First start: load logbook list
+            loadLogbookList()
+        }
+    }
+
+    abstract fun onLogbookReady()
+
+    fun loadLogbook(name: String) {
+        //if (savingEvent)
+        //    return
+
+        // Reset time counter
+        //handler.removeCallbacks(updateListRunnable)
+        //handler.postDelayed(updateListRunnable, UPDATE_EVERY_SECS*1000)
+
+        // Load data
+        //setLoading(true)
+        logbookRepo?.loadLogbook(this, name, object: LogbookLoadedListener{
+            override fun onLogbookLoaded(lb: Logbook) {
+                runOnUiThread({
+                    Log.d("StatisticsActivity", "logbook loaded!")
+                    //setLoading(false)
+                    //findViewById<View>(R.id.no_connection_screen).visibility = View.GONE
+                    logbook = lb
+
+                    //val events = logbook?.logs ?: arrayListOf()
+                    onLogbookReady()//updateGraph() //events) // showLogbook()
+/*
+                    if (DEBUG_CHECK_LOGBOOK_CONSISTENCY) {
+                        for (e in logbook?.logs ?: listOf()) {
+                            val em = e.getTypeEmoji(this@MainActivity)
+                            if (em == getString(R.string.event_unknown_type)) {
+                                Log.e(TAG, "UNKNOWN: ${e.type}")
+                            }
+                        }
+                    }
+ */
+                })
+            }
+
+            override fun onIOError(error: IOException) {
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(getString(R.string.settings_network_error) + error.toString())
+                })
+            }
+
+            override fun onWebDAVError(error: SardineException) {
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(
+                        if(error.toString().contains("401")) {
+                            getString(R.string.settings_webdav_error_denied)
+                        } else if(error.toString().contains("503")) {
+                            getString(R.string.settings_webdav_error_server_offline)
+                        } else {
+                            getString(R.string.settings_webdav_error_generic) + error.toString()
+                        }
+                    )
+                })
+            }
+
+            override fun onJSONError(error: JSONException) {
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(getString(R.string.settings_json_error) + error.toString())
+                })
+            }
+
+            override fun onError(error: Exception) {
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(getString(R.string.settings_generic_error) + error.toString())
+                })
+            }
+        })
+    }
+
+    fun loadLogbookList() {
+        //setLoading(true)
+        logbookRepo?.listLogbooks(this, object: LogbookListObtainedListener {
+            override fun onLogbookListObtained(logbooksNames: ArrayList<String>) {
+                if (logbooksNames.isNotEmpty()) {
+                    loadLogbook(logbooksNames[0])
+                }
+                /*
+                runOnUiThread({
+                    if (logbooksNames.isEmpty()) {
+                        // First run, no logbook: create one
+                        //showAddLogbookDialog(false)
+                        return@runOnUiThread
+                    }
+                    // Show logbooks dropdown
+                    val spinner = findViewById<Spinner>(R.id.logbooks_spinner)
+                    val sAdapter = ArrayAdapter<String>(this@StatisticsActivity, android.R.layout.simple_spinner_item)
+                    sAdapter.setDropDownViewResource(R.layout.row_logbook_spinner)
+                    for (ln in logbooksNames) {
+                        sAdapter.add(
+                            ln.ifEmpty { getString(R.string.default_logbook_name) }
+                        )
+                    }
+                    spinner.adapter = sAdapter
+                    spinner.onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
+                        override fun onItemSelected(
+                            parent: AdapterView<*>?,
+                            view: View?,
+                            position: Int,
+                            id: Long
+                        ) {
+                            // Changed logbook: empty list
+                            setListAdapter(arrayListOf())
+                            // Load logbook
+                            loadLogbook(logbooksNames.get(position))
+                        }
+
+                        override fun onNothingSelected(parent: AdapterView<*>?) {}
+                    }
+                })
+                */
+            }
+
+            override fun onIOError(error: IOException) {
+                Log.e(TAG, "Unable to load logbooks list (IOError): $error")
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(getString(R.string.settings_network_error) + error.toString())
+                })
+            }
+
+            override fun onWebDAVError(error: SardineException) {
+                Log.e(TAG, "Unable to load logbooks list (SardineException): $error")
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(
+                        if(error.toString().contains("401")) {
+                            getString(R.string.settings_webdav_error_denied)
+                        } else if(error.toString().contains("503")) {
+                            getString(R.string.settings_webdav_error_server_offline)
+                        } else {
+                            getString(R.string.settings_webdav_error_generic) + error.toString()
+                        }
+                    )
+                })
+            }
+
+            override fun onError(error: Exception) {
+                Log.e(TAG, "Unable to load logbooks list: $error")
+                runOnUiThread({
+                    //setLoading(false)
+                    onRepoError(getString(R.string.settings_generic_error) + error.toString())
+                })
+            }
+        })
+    }
+
+    fun onRepoError(message: String) {
+        runOnUiThread({
+            //setLoading(false)
+            //findViewById<View>(R.id.no_connection_screen).visibility = View.VISIBLE
+            //findViewById<TextView>(R.id.no_connection_screen_message).text = message
+            Toast.makeText(this, message, Toast.LENGTH_LONG).show()
+        })
+    }
+
+    fun getAllEvents(): ArrayList<LunaEvent> {
+        return logbook?.logs ?: arrayListOf()
+    }
+}
+
+open class StatisticsActivity : LogbookBase() {
+    lateinit var barChart: BarChart
+    lateinit var noDataTextView: TextView
+    lateinit var eventTypeSelection: Spinner
+    lateinit var dataTypeSelection: Spinner
+    lateinit var timeRangeSelection: Spinner
+
+    var eventTypeSelectionValue = "BOTTLE"
+    var dataTypeSelectionValue = "AMOUNT"
+    var timeRangeSelectionValue = "DAY"
+
+    override fun onLogbookReady() {
+        updateGraph()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.activity_statistics)
+
+        logbookName = intent.getStringExtra("LOOGBOOK_NAME")
+        if (logbookName == null) {
+            finish()
+            return
+        }
+
+        noDataTextView = findViewById(R.id.no_data)
+
+        barChart = findViewById(R.id.bar_chart)
+        barChart.setBackgroundColor(Color.WHITE)
+        barChart.description.text = "$logbookName"
+        //barChart.description.isEnabled = false
+        barChart.axisLeft.setAxisMinimum(0F)
+
+        /*
+                barChart.setFitBars(true)
+                barChart.setMaxVisibleValueCount(30)
+
+                barChart.axisLeft.setDrawLabels(false)
+                barChart.axisRight.setDrawLabels(true)
+                barChart.xAxis.setDrawLabels(true)
+                barChart.legend.setEnabled(false)
+                barChart.setDrawValueAboveBar(true)
+                //barChart.setVisibleXRangeMaximum(30f)
+        */
+
+/*
+        val seekBar = findViewById<SeekBar>(R.id.seekBar);
+        seekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(
+                seekBar: SeekBar?,
+                progress: Int,
+                fromUser: Boolean
+            ) {
+                //tvX.setText(java.lang.String.valueOf(seekBar.getProgress()))
+                //tvY.setText(java.lang.String.valueOf(seekBarY.getProgress()))
+
+                //setData(seekBarX.getProgress(), seekBarY.getProgress())
+                barChart.setFitBars(true)
+                barChart.invalidate()
+            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+
+            override fun onStopTrackingTouch(seekBar: SeekBar?) {}
+        })
+*/
+/*
+        // if more than 60 entries are displayed in the barChart, no values will be
+        // drawn
+        //barChart.setMaxVisibleValueCount(60)
+
+        barChart.setScaleMinima(2f, 1f)
+
+        // scaling can now only be done on x- and y-axis separately
+        barChart.setPinchZoom(true)
+
+
+        // draw shadows for each bar that show the maximum value
+        barChart.setDrawBarShadow(true)
+        barChart.setDrawGridBackground(true)
+
+        val xl = barChart.getXAxis()
+        xl.position = XAxisPosition.BOTTOM
+        //xl.setTypeface(tfLight)
+        xl.setDrawAxisLine(true)
+        xl.setDrawGridLines(false)
+        //xl.setGranularity(10f)
+
+        //        yl.setInverted(true);
+        val yr = barChart.axisRight
+        //yr.setTypeface(tfLight)
+        yr.setDrawAxisLine(true)
+        yr.setDrawGridLines(false)
+        yr.setAxisMinimum(0f) // this replaces setStartAtZero(true)
+
+
+        //        yr.setInverted(true);
+        barChart.setFitBars(true)
+        barChart.animateY(500)
+*/
+        eventTypeSelection = findViewById(R.id.type_selection)
+        dataTypeSelection = findViewById(R.id.data_selection)
+        timeRangeSelection = findViewById(R.id.time_selection)
+
+        setupSpinner(eventTypeSelectionValue,
+            R.id.type_selection,
+            R.array.StatisticsTypeLabels,
+            R.array.StatisticsTypeValues,
+            object : SpinnerItemSelected {
+                override fun call(newValue: String?) {
+                    if (newValue != null) {
+                        eventTypeSelectionValue = newValue
+                        Log.d("event", "new value: $newValue")
+                        updateGraph()
+                    }
+                }
+            }
+        )
+
+        setupSpinner(dataTypeSelectionValue,
+            R.id.data_selection,
+            R.array.StatisticsDataLabels,
+            R.array.StatisticsDataValues,
+            object : SpinnerItemSelected {
+                override fun call(newValue: String?) {
+                    if (newValue != null) {
+                        dataTypeSelectionValue = newValue
+                        Log.d("event", "new value: $newValue")
+                        updateGraph()
+                    }
+                }
+            }
+        )
+
+       setupSpinner(timeRangeSelectionValue,
+            R.id.time_selection,
+            R.array.StatisticsTimeLabels,
+            R.array.StatisticsTimeValues,
+            object : SpinnerItemSelected {
+                override fun call(newValue: String?) {
+                    if (newValue != null) {
+                        timeRangeSelectionValue = newValue
+                        Log.d("event", "new value: $newValue")
+                        updateGraph()
+                    }
+                }
+            }
+        )
+
+       initLogbookBase()
+    }
+
+/*
+    fun massageData(): Triple<Float, Float, Float>
+        Triple(, ,)
+                    )
+*/
+
+    fun updateGraph() {
+        //eventTypeSelectionValue = "SLEEP"
+        //dataTypeSelectionValue = "AMOUNT"
+        //timeRangeSelectionValue = "DAY"
+
+        //val allEvents = getAllEvents()
+        //Log.d("StatisticsActivity", "updateGraph: allEvents: ${allEvents.size}")
+        Log.d("StatisticsActivity", "eventTypeSelectionValue: $eventTypeSelectionValue, dataTypeSelectionValue: $dataTypeSelectionValue, timeRange: $timeRangeSelectionValue")
+
+        // for quantity
+        fun formatEventValue(value: Float): String {
+            return when (eventTypeSelectionValue) {
+                "BOTTLE" -> {
+                    NumericUtils(applicationContext).formatEventQuantity(LunaEvent.TYPE_BABY_BOTTLE, value.toInt())
+                }
+                "SLEEP" -> {
+                    NumericUtils(applicationContext).formatEventQuantity(LunaEvent.TYPE_SLEEP, value.toInt())
+                }
+                else -> {
+                    Log.e(TAG, "invalid dataTypeSelectionValue: $dataTypeSelectionValue")
+                    "${value.toInt()}"
+                }
+            }
+        }
+
+        val eventType = when (eventTypeSelectionValue) {
+            "BOTTLE" -> LunaEvent.TYPE_BABY_BOTTLE
+            "SLEEP" -> LunaEvent.TYPE_SLEEP
+            else -> {
+                Log.e(TAG, "Invalid eventTypeSelectionValue: $eventTypeSelectionValue")
+                return
+            }
+        }
+        val allEvents = getAllEvents().filter { it.type == eventType }.sortedBy { it.time }
+
+        Log.d("StatisticsActivity", "events: ${allEvents.size}")
+
+        val values = ArrayList<BarEntry>()
+        val labels = ArrayList<String>()
+
+        val unixToSpan: ((Long) -> Int) = { unix ->
+            when (timeRangeSelectionValue) {
+                "DAY" -> unixToDays(unix)
+                "WEEK" -> unixToWeeks(unix)
+                "MONTH" -> unixToMonths(unix)
+                else -> {
+                    Log.e(TAG, "Invalid timeRangeSelectionValue: $timeRangeSelectionValue")
+                    0
+                }
+            }
+        }
+
+        val spanToUnix: ((Int) -> Long) = { span ->
+            when (timeRangeSelectionValue) {
+                "DAY" -> daysToUnix(span)
+                "WEEK" -> weeksToUnix(span)
+                "MONTH" -> monthToUnix(span)
+                else -> {
+                    Log.e(TAG, "Invalid timeRangeSelectionValue: $timeRangeSelectionValue")
+                    0
+                }
+            }
+        }
+
+        fun spanToLabel(span: Int): String {
+            //simpleDateFormat = SimpleDateFormat("dd/MM/yyyy")
+            //val dateTime = simpleDateFormat.format(Date(1000 * spanToUnix(span))).toString()
+
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(1000 * spanToUnix(span))
+            val year = dateTime.get(Calendar.YEAR)
+            val month = dateTime.get(Calendar.MONTH) + 1 // month starts at 0
+            val week = dateTime.get(Calendar.WEEK_OF_YEAR)
+            val day = dateTime.get(Calendar.DAY_OF_MONTH)
+            return when (timeRangeSelectionValue) {
+                "DAY" -> "$day/$month/$year"
+                "WEEK" -> "$week/$year"
+                "MONTH" -> "$month/$year"
+                else -> {
+                    Log.e(TAG, "Invalid timeRangeSelectionValue: $timeRangeSelectionValue")
+                    "?"
+                }
+            }
+        }
+/*
+        fun calcDay(seconds: Long): Long {
+            val formatter = SimpleDateFormat("yyyy-MM-dd HH:mm")
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(seconds * 1000)
+            val before = formatter.format(dateTime.time)
+            dateTime.set(Calendar.SECOND, 0)
+            dateTime.set(Calendar.MINUTE, 0)
+            dateTime.set(Calendar.HOUR, 0)
+            dateTime.set(Calendar.HOUR_OF_DAY, 0)
+            val after = formatter.format(dateTime.time)
+            //Log.d(TAG, "calcDay: $before -> $after")
+            return dateTime.time.time / 1000
+        }
+*/
+
+        if (allEvents.isNotEmpty()) {
+            barChart.visibility = View.VISIBLE
+            noDataTextView.visibility = View.GONE
+
+            // unix time span of all events
+            val startUnix = allEvents.minOf { it.time }
+            val endUnix = if (dataTypeSelectionValue == "AMOUNT" && eventTypeSelectionValue == "SLEEP") {
+                allEvents.maxOf { it.time + it.quantity }
+            } else {
+                allEvents.maxOf { it.time }
+            }
+
+            // convert to days, weeks or months
+            val startSpan = unixToSpan(startUnix)
+            val endSpan = unixToSpan(endUnix)
+
+            //Log.d(TAG, "startSpan: $startSpan (${Date(1000 * allEvents.first().time)}), endSpan: $endSpan (${Date(1000 * allEvents.last().time)})")
+            //Log.d(TAG, "start: ${Date(1000 * spanToUnix(startSpan))}, end: ${Date(1000 * spanToUnix(endSpan))}")
+            for (span in startSpan..endSpan + 1) {
+                //Log.d(TAG, "step: ${Date(1000 * daysToUnix(span))}") // todo: checj month
+                values.add(BarEntry(values.size.toFloat(), 0F))
+                labels.add(spanToLabel(span))
+            }
+
+            for (event in allEvents) {
+                if (dataTypeSelectionValue == "AMOUNT") {
+                    if (eventTypeSelectionValue == "SLEEP") {
+                        // a sleep event can span to another day
+                        // distribute sleep time over the days
+
+                        // iterate over indexes
+
+                        // sleep covers a time range, distribute range of time spans
+                        //var mid = spanToUnix(startIndex)
+
+                        val startUnix = event.time
+                        val endUnix = event.time + event.quantity
+                        val begIndex = unixToSpan(startUnix)
+                        val endIndex = unixToSpan(endUnix)
+                        var mid = startUnix
+
+                        Log.d(TAG, "startUnix: ${Date(startUnix * 1000)}, endUnix: ${Date(endUnix * 1000)}, begIndex: $begIndex, endIndex: $endIndex (index diff: ${endIndex - begIndex})")
+                        for (i in begIndex..endIndex) {
+                            val spanBegin = spanToUnix(i)
+                            val spanEnd =  spanToUnix(i + 1)
+                            Log.d(TAG, "mid: ${Date(mid * 1000)}, spanBegin: ${Date(spanBegin * 1000)}, spanEnd: ${Date(spanEnd * 1000)}, endUnix: ${Date(endUnix * 1000)}")
+                            val beg = max(mid, spanBegin)
+                            val end = min(endUnix, spanEnd)
+                            val index = i - startSpan
+                            val duration = end - beg
+                            Log.d(TAG, "[$index] beg: ${Date(beg * 1000)}, end: ${Date(end * 1000)}, ${formatTimeDuration(this, duration)}")
+
+                            values[index].y += duration
+                            mid = end
+                        }
+                    } else {
+                        val index = unixToSpan(event.time) - startSpan
+                        values[index].y += event.quantity
+                    }
+                } else {
+                    val index = unixToSpan(event.time) - startSpan
+                    values[index].y += 1
+                }
+            }
+        } else {
+            barChart.visibility = View.GONE
+            noDataTextView.visibility = View.VISIBLE
+        }
+
+        val set1 = BarDataSet(values, "sums") // change to "sums", "events", "" and set logbookName to
+
+        set1.setDrawValues(true)
+        set1.setDrawIcons(false)
+
+        //Log.d("StatisticsActivity", "values.size: ${values.size}, labels.size: ${labels.size}")
+        //Log.d("StatisticsActivity", "values: ${values}, labels: ${labels}")
+
+        /*
+        val set1: BarDataSet
+                if (barChart.data != null &&
+                    barChart.data.getDataSetCount() > 0
+                ) {
+                    set1 = barChart.data.getDataSetByIndex(0) as BarDataSet
+                    set1.setValues(values)
+                    barChart.data.notifyDataChanged()
+                    barChart.notifyDataSetChanged()
+                } else {
+            */
+
+
+            val dataSets = ArrayList<IBarDataSet?>()
+            dataSets.add(set1)
+
+            val data = BarData(dataSets)
+            //data.setValueTextSize(10f)
+            //data.setValueTypeface(tfLight)
+            //data.barWidth = 9f
+
+
+            data.setValueFormatter(object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    if (dataTypeSelectionValue == "AMOUNT") {
+                        //Log.d(TAG, "formatEventValue: ${formatEventValue(value)}")
+                        //Log.d(TAG, "data.setValueFormatter")
+                        return formatEventValue(value)
+                    } else {
+                        return value.toInt().toString()
+                    }
+                }
+            })
+
+            //barChart.xAxis.setLabelsToSkip(0)
+
+            //val leftAxis = barChart.axisLeft
+            //barChart.xAxis.setLabelCount(values.size)
+            barChart.axisRight.setDrawLabels(false)
+            barChart.axisLeft.setDrawLabels(false)
+
+            barChart.xAxis.valueFormatter = object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    //Log.d("labels", "labels: ${value.toInt()}")
+                    return labels.getOrElse(value.toInt(), {"?"})
+                }
+            }
+
+        //val labelsTmp = values.map { "${it.y.toInt()} ml" } // ArrayList<String>()
+        //Log.d("StatisticsActivity", "labels: $labelsTmp")
+        //barChart.xAxis.setGranularity(1f)
+        //barChart.xAxis.isGranularityEnabled = true
+        //barChart.xAxis.setValueFormatter(IndexAxisValueFormatter(labels))
+/*
+        barChart.axisRight.valueFormatter = object : ValueFormatter() {
+            override fun getFormattedValue(value: Float): String {
+                //Log.d(TAG, "formatEventValue: ${formatEventValue(value)}")
+                return formatEventValue(value)
+            }
+        }
+*/
+            //barChart.axisRight.setGranularity(1.0f)
+            //barChart.axisRight.isGranularityEnabled = true
+/*
+            barChart.getYLabels().valueFormatter = object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    Log.d("StatisticsActivity", "y value: $value")
+                    return value.toString() + "ml"
+                }
+            }
+*/
+            //barChart.axisLeft.textColor = Color.WHITE
+            //barChart.axisRight.textColor = Color.WHITE
+            //barChart.setNoDataTextColor(Color.RED)
+            //barChart.setBackgroundColor()
+
+            //data.setValueTextSize(10f)
+            //data.setValueTypeface(tfLight)
+            //data.setBarWidth(9f)
+            //data.setValueTextColor(Color.WHITE)
+            data.setValueTextSize(12f)
+            barChart.setData(data)
+            barChart.invalidate()
+        //}
+    }
+
+    private interface SpinnerItemSelected {
+        fun call(newValue: String?)
+    }
+
+    private fun setupSpinner(
+        currentValue: String,
+        spinnerId: Int,
+        arrayId: Int,
+        arrayValuesId: Int,
+        callback: SpinnerItemSelected
+    ) {
+        val arrayValues = resources.getStringArray(arrayValuesId)
+        val spinner = findViewById<Spinner>(spinnerId)
+        val spinnerAdapter =
+            ArrayAdapter.createFromResource(this, arrayId, R.layout.statistics_spinner_item) //android.R.layout.simple_spinner_item) //android.R.layout.simple_list_item_single_choice) //R.layout.spinner_item_settings)
+
+        spinner.adapter = spinnerAdapter
+        spinner.setSelection(arrayValues.indexOf(currentValue))
+        spinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            var check = 0
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, pos: Int, id: Long) {
+                if (pos >= arrayValues.size) {
+                    Toast.makeText(
+                        this@StatisticsActivity,
+                        "pos out of bounds: $arrayValues", Toast.LENGTH_SHORT
+                    ).show()
+                    return
+                }
+                if (check++ > 0) {
+                    callback.call(arrayValues[pos])
+                }
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>?) {
+                // ignore
+            }
+        }
+    }
+
+/*
+    fun loadSettings() {
+        val dataRepo = settingsRepository.loadDataRepository()
+        val webDavCredentials = settingsRepository.loadWebdavCredentials()
+        val noBreastfeeding = settingsRepository.loadNoBreastfeeding()
+        val signature = settingsRepository.loadSignature()
+
+        when (dataRepo) {
+            LocalSettingsRepository.DATA_REPO.LOCAL_FILE -> radioDataLocal.isChecked = true
+            LocalSettingsRepository.DATA_REPO.WEBDAV -> radioDataWebDAV.isChecked = true
+        }
+
+        textViewSignature.setText(signature)
+        switchNoBreastfeeding.isChecked = noBreastfeeding
+
+        if (webDavCredentials != null) {
+            textViewWebDAVUrl.text = webDavCredentials[0]
+            textViewWebDAVUser.text = webDavCredentials[1]
+            textViewWebDAVPass.text = webDavCredentials[2]
+        }
+    }
+
+    fun validateAndSave() {
+        if (radioDataLocal.isChecked) {
+            // No validation required, just save
+            saveSettings()
+            return
+        }
+
+        // Try to connect to WebDAV and check if the save file already exists
+        val webDAVLogbookRepo = WebDAVLogbookRepository(
+            textViewWebDAVUrl.text.toString(),
+            textViewWebDAVUser.text.toString(),
+            textViewWebDAVPass.text.toString()
+        )
+        progressIndicator.visibility = View.VISIBLE
+
+        webDAVLogbookRepo.listLogbooks(this, object: LogbookListObtainedListener{
+
+            override fun onLogbookListObtained(logbooksNames: ArrayList<String>) {
+                if (logbooksNames.isEmpty()) {
+                    // TODO: Ask the user if he wants to upload the local ones or to create a new one
+                    copyLocalLogbooksToWebdav(webDAVLogbookRepo, object: OnCopyLocalLogbooksToWebdavFinishedListener {
+
+                        override fun onCopyLocalLogbooksToWebdavFinished(errors: String?) {
+                            runOnUiThread({
+                                progressIndicator.visibility = View.INVISIBLE
+                                if (errors == null) {
+                                    saveSettings()
+                                    Toast.makeText(this@SettingsActivity, R.string.settings_webdav_creation_ok, Toast.LENGTH_SHORT).show()
+                                } else {
+                                    Toast.makeText(this@SettingsActivity, errors, Toast.LENGTH_SHORT).show()
+                                }
+                            })
+                        }
+
+                    })
+                } else {
+                    runOnUiThread({
+                        progressIndicator.visibility = View.INVISIBLE
+                        saveSettings()
+                        Toast.makeText(this@SettingsActivity, R.string.settings_webdav_creation_ok, Toast.LENGTH_SHORT).show()
+                    })
+                }
+            }
+
+            override fun onIOError(error: IOException) {
+                runOnUiThread({
+                    progressIndicator.visibility = View.INVISIBLE
+                    Toast.makeText(this@SettingsActivity, getString(R.string.settings_network_error) + error.toString(), Toast.LENGTH_SHORT).show()
+                })
+            }
+
+            override fun onWebDAVError(error: SardineException) {
+                runOnUiThread({
+                    progressIndicator.visibility = View.INVISIBLE
+                    if(error.toString().contains("401")) {
+                        Toast.makeText(this@SettingsActivity, getString(R.string.settings_webdav_error_denied), Toast.LENGTH_SHORT).show()
+                    } else {
+                        Toast.makeText(this@SettingsActivity, getString(R.string.settings_webdav_error_generic) + error.toString(), Toast.LENGTH_SHORT).show()
+                    }
+                })
+            }
+
+            override fun onError(error: Exception) {
+                runOnUiThread({
+                    progressIndicator.visibility = View.INVISIBLE
+                    Toast.makeText(this@SettingsActivity, getString(R.string.settings_generic_error) + error.toString(), Toast.LENGTH_SHORT).show()
+                })
+            }
+        })
+    }
+
+    fun saveSettings() {
+        settingsRepository.saveDataRepository(
+            if (radioDataWebDAV.isChecked) LocalSettingsRepository.DATA_REPO.WEBDAV
+            else LocalSettingsRepository.DATA_REPO.LOCAL_FILE
+        )
+        settingsRepository.saveNoBreastfeeding(switchNoBreastfeeding.isChecked)
+        settingsRepository.saveSignature(textViewSignature.text.toString())
+        settingsRepository.saveWebdavCredentials(
+            textViewWebDAVUrl.text.toString(),
+            textViewWebDAVUser.text.toString(),
+            textViewWebDAVPass.text.toString()
+        )
+        finish()
+    }
+
+    private fun copyLocalLogbooksToWebdav(webDAVLogbookRepository: WebDAVLogbookRepository, listener: OnCopyLocalLogbooksToWebdavFinishedListener) {
+        Thread(Runnable {
+            val errors = StringBuilder()
+            val fileLogbookRepo = FileLogbookRepository()
+            val logbooks = fileLogbookRepo.getAllLogbooks(this)
+            for (logbook in logbooks) {
+                // Copy only if does not already exist
+                val error = webDAVLogbookRepository.uploadLogbookIfNotExists(this, logbook.name)
+                if (error != null) {
+                    if (errors.isNotEmpty())
+                        errors.append("\n")
+                    errors.append(String.format(getString(R.string.settings_webdav_upload_error), logbook.name, error))
+                }
+            }
+            listener.onCopyLocalLogbooksToWebdavFinished(
+                if (errors.isEmpty()) null else errors.toString()
+            )
+        }).start()
+    }
+
+    private interface OnCopyLocalLogbooksToWebdavFinishedListener {
+        fun onCopyLocalLogbooksToWebdavFinished(errors: String?)
+    }
+    */
+
+    companion object {
+        fun unixToMonths(seconds: Long): Int {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(seconds * 1000)
+            val years = dateTime.get(Calendar.YEAR)
+            val months = dateTime.get(Calendar.MONTH)  // January is 0
+            return 12 * years + 1 + months
+        }
+
+        fun monthToUnix(months: Int): Long {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(0)
+            dateTime.set(Calendar.YEAR, months / 12)
+            dateTime.set(Calendar.MONTH, months % 12)
+            dateTime.set(Calendar.HOUR, 0)
+            dateTime.set(Calendar.MINUTE, 0)
+            dateTime.set(Calendar.SECOND, 0)
+            return dateTime.time.time / 1000
+        }
+
+        fun unixToWeeks(seconds: Long): Int {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(seconds * 1000)
+            val years = dateTime.get(Calendar.YEAR)
+            val weeks = dateTime.get(Calendar.WEEK_OF_YEAR)
+            return 52 * years + weeks
+        }
+
+        fun weeksToUnix(weeks: Int): Long {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(0)
+            dateTime.set(Calendar.YEAR, weeks / 52)
+            dateTime.set(Calendar.DAY_OF_YEAR, weeks % 52)
+            dateTime.set(Calendar.HOUR, 0)
+            dateTime.set(Calendar.MINUTE, 0)
+            dateTime.set(Calendar.SECOND, 0)
+            return dateTime.time.time / 1000
+        }
+
+        fun unixToDays(seconds: Long): Int {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(seconds * 1000)
+            val years = dateTime.get(Calendar.YEAR)
+            val days = dateTime.get(Calendar.DAY_OF_YEAR)
+            return 365 * years + days
+        }
+
+        // convert from days to Date
+        fun daysToUnix(days: Int): Long {
+            val dateTime = Calendar.getInstance()
+            dateTime.time = Date(0)
+            dateTime.set(Calendar.YEAR, days / 365)
+            dateTime.set(Calendar.DAY_OF_YEAR, days % 365)
+            dateTime.set(Calendar.HOUR, 0)
+            dateTime.set(Calendar.MINUTE, 0)
+            dateTime.set(Calendar.SECOND, 0)
+            return dateTime.time.time / 1000
+        }
+    }
+}

app/src/main/java/it/danieleverducci/lunatracker/entities/LunaEvent.kt

@@ -30,6 +30,7 @@ class LunaEvent: Comparable<LunaEvent> {
         const val TYPE_FOOD = "FOOD"
         const val TYPE_PUKE = "PUKE"
         const val TYPE_BATH = "BATH"
+        const val TYPE_SLEEP = "SLEEP"
     }
 
     private val jo: JSONObject
@@ -45,10 +46,12 @@ class LunaEvent: Comparable<LunaEvent> {
             jo.put("type", value)
         }
     var quantity: Int
-        get() = jo.optInt("quantity", -1)
+        get() = jo.optInt("quantity")
         set(value) {
-            if (value >= 0)
+            if (value > 0)
                 jo.put("quantity", value)
+            else
+                jo.remove("quantity")
         }
     var notes: String
         get(): String = jo.optString("notes")
@@ -109,6 +112,7 @@ class LunaEvent: Comparable<LunaEvent> {
                 TYPE_FOOD -> R.string.event_food_type
                 TYPE_PUKE -> R.string.event_puke_type
                 TYPE_BATH -> R.string.event_bath_type
+                TYPE_SLEEP -> R.string.event_sleep_type
                 else -> R.string.event_unknown_type
             }
         )
@@ -132,6 +136,7 @@ class LunaEvent: Comparable<LunaEvent> {
                 TYPE_FOOD -> R.string.event_food_desc
                 TYPE_PUKE -> R.string.event_puke_desc
                 TYPE_BATH -> R.string.event_bath_desc
+                TYPE_SLEEP -> R.string.event_sleep_desc
                 else -> R.string.event_unknown_desc
             }
         )
@@ -147,6 +152,7 @@ class LunaEvent: Comparable<LunaEvent> {
                 TYPE_DIAPERCHANGE_PEE,
                 TYPE_PUKE -> R.string.log_amount_dialog_description
                 TYPE_WEIGHT -> R.string.log_weight_dialog_description
+                TYPE_SLEEP -> R.string.log_sleep_dialog_description
                 else -> R.string.log_unknown_dialog_description
             }
         )

app/src/main/java/utils/DateUtils.kt

@@ -62,10 +62,8 @@ class DateUtils {
                 return format(days, hours, R.string.day_ago, R.string.days_ago, R.string.hour_ago, R.string.hours_ago)
             } else if (hours > 0) {
                 return format(hours, minutes, R.string.hour_ago, R.string.hours_ago, R.string.minute_ago, R.string.minutes_ago)
-            } else if (minutes > 0) {
-                return format(minutes, seconds, R.string.minute_ago, R.string.minute_ago, R.string.second_ago, R.string.seconds_ago)
             } else {
-                return context.getString(R.string.now)
+                return format(minutes, seconds, R.string.minute_ago, R.string.minute_ago, R.string.second_ago, R.string.seconds_ago)
             }
         }
 

app/src/main/java/utils/NumericUtils.kt

@@ -7,6 +7,7 @@ import android.os.Build
 import android.util.Log
 import it.danieleverducci.lunatracker.R
 import it.danieleverducci.lunatracker.entities.LunaEvent
+import utils.DateUtils.Companion.formatTimeDuration
 import java.text.NumberFormat
 
 class NumericUtils (val context: Context) {
@@ -62,27 +63,31 @@ class NumericUtils (val context: Context) {
     }
 
     fun formatEventQuantity(event: LunaEvent): String {
+        return formatEventQuantity(event.type, event.quantity)
+    }
+
+    fun formatEventQuantity(type: String, quantity: Int): String {
         val formatted = StringBuilder()
-        if (event.quantity >= 0) {
-            formatted.append(when (event.type) {
+        if (quantity > 0) {
+            formatted.append(when (type) {
                 LunaEvent.TYPE_TEMPERATURE ->
-                    (event.quantity / 10.0f).toString()
+                    (quantity / 10.0f).toString()
                 LunaEvent.TYPE_DIAPERCHANGE_POO,
                 LunaEvent.TYPE_DIAPERCHANGE_PEE,
                 LunaEvent.TYPE_PUKE -> {
                     val array = context.resources.getStringArray(R.array.AmountLabels)
-                    return array.getOrElse(event.quantity) {
-                        Log.e("NumericUtils", "Invalid index ${event.quantity}")
+                    return array.getOrElse(quantity) {
+                        Log.e("NumericUtils", "Invalid index $quantity")
                         return ""
                     }
                 }
-                else ->
-                    event.quantity
+                LunaEvent.TYPE_SLEEP -> formatTimeDuration(context, quantity.toLong())
+                else -> quantity
             })
 
             formatted.append(" ")
             formatted.append(
-                when (event.type) {
+                when (type) {
                     LunaEvent.TYPE_BABY_BOTTLE -> measurement_unit_liquid_base
                     LunaEvent.TYPE_WEIGHT -> measurement_unit_weight_base
                     LunaEvent.TYPE_MEDICINE -> measurement_unit_weight_tiny
@@ -90,6 +95,11 @@ class NumericUtils (val context: Context) {
                     else -> ""
                 }
             )
+        } else {
+            formatted.append(when (type) {
+                LunaEvent.TYPE_SLEEP -> "💤" // baby is sleeping
+                else -> ""
+            })
         }
         return formatted.toString()
     }

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

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="10dp">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1">
+
+        <com.github.mikephil.charting.charts.HorizontalBarChart
+            android:id="@+id/bar_chart"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <TextView
+            android:id="@+id/no_data"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            android:gravity="center"
+            android:text="No Data"/>
+
+    </FrameLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="0"
+        android:layout_marginTop="10dp"
+        android:orientation="horizontal">
+
+        <Spinner
+            android:id="@+id/type_selection"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+        <Spinner
+            android:id="@+id/data_selection"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"/>
+
+        <Spinner
+            android:id="@+id/time_selection"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"/>
+
+    </LinearLayout>
+
+</LinearLayout>

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_gravity="center"
+    android:gravity="center"
+    android:orientation="vertical">
+
+    <Spinner
+        android:id="@+id/dialog_amount_value"
+        android:layout_width="250dp"
+        android:layout_height="wrap_content"
+        android:paddingHorizontal="16dp"/>
+
+    <TextView
+        android:id="@+id/dialog_date_picker"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"/>
+
+</LinearLayout>

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

@@ -7,7 +7,7 @@
 
     <LinearLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="wrap_content"
         android:layout_gravity="center"
         android:gravity="center"
         android:orientation="horizontal">
@@ -30,6 +30,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:layout_marginEnd="20dp"/>
+        android:layout_marginTop="20dp"/>
 
 </LinearLayout>

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

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_gravity="center"
+    android:gravity="center"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/dialog_date_duration"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="20sp"
+        android:text="💤"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginTop="20dp"
+        android:layout_marginHorizontal="10dp"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/dialog_date_duration_minus5"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="-5"/>
+
+        <Button
+            android:id="@+id/dialog_date_duration_now"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/now"/>
+
+        <Button
+            android:id="@+id/dialog_date_duration_plus5"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="+5"/>
+
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/dialog_date_picker"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginTop="20dp"/>
+
+</LinearLayout>

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

@@ -24,11 +24,34 @@
         android:hint="@string/log_notes_dialog_note_hint"
         android:background="@drawable/textview_background"/>
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:gravity="end"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/notes_template_prev"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="18dp"
+            android:text="⬅️"/>
+
+        <TextView
+            android:id="@+id/notes_template_next"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="18dp"
+            android:text="➡️"/>
+
+    </LinearLayout>
+
     <TextView
-        android:id="@+id/notes_date_picker"
+        android:id="@+id/dialog_date_picker"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:layout_marginTop="20dp"/>
+        android:layout_marginTop="15dp"/>
 
 </LinearLayout>

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

@@ -3,14 +3,13 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:layout_gravity="center"
+    android:gravity="center"
     android:orientation="vertical">
 
     <TextView
         android:id="@+id/dialog_date_picker"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_marginTop="20dp"
-        android:layout_marginEnd="20dp"/>
+        android:layout_height="wrap_content"/>
 
 </LinearLayout>

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

@@ -28,7 +28,6 @@
         android:id="@+id/dialog_date_picker"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_marginEnd="20dp"/>
+        android:layout_marginTop="20dp"/>
 
 </LinearLayout>

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

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -46,6 +45,18 @@
         android:textSize="28sp"
         android:text="@string/dialog_event_detail_quantity"/>
 
+    <TextView
+        android:id="@+id/dialog_event_detail_type_date_end"
+        android:layout_width="wrap_content"
+        android:layout_height="40dp"
+        android:layout_gravity="center_horizontal"
+        android:gravity="center_vertical"
+        android:drawablePadding="10dp"
+        android:drawableTint="@color/accent"
+        android:visibility="gone"
+        android:textSize="16sp"
+        android:textStyle="bold"/>
+
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="200dp"

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

@@ -10,10 +10,21 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
+            <TextView
+                android:id="@+id/button_statistics"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_marginTop="10dp"
+                android:padding="10dp"
+                android:background="@drawable/dropdown_list_item_background"
+                style="@style/OverflowMenuText"
+                android:text="📊 Statistics"/>
+
             <TextView
                 android:id="@+id/button_medicine"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
+                android:layout_marginTop="10dp"
                 android:padding="10dp"
                 android:background="@drawable/dropdown_list_item_background"
                 style="@style/OverflowMenuText"
@@ -49,6 +60,16 @@
                 style="@style/OverflowMenuText"
                 android:text="@string/overflow_event_puke"/>
 
+            <TextView
+                android:id="@+id/button_sleep"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_marginTop="10dp"
+                android:padding="10dp"
+                android:background="@drawable/dropdown_list_item_background"
+                style="@style/OverflowMenuText"
+                android:text="@string/overflow_event_sleep"/>
+
             <TextView
                 android:id="@+id/button_colic"
                 android:layout_width="match_parent"

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView  
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent" 
+    android:layout_height="wrap_content"
+    android:textSize="20sp"
+    android:gravity="center"
+    android:padding="5dip" />

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

@@ -6,4 +6,44 @@
         <item>@string/amount_normal</item>
         <item>@string/amount_plenty</item>
     </string-array>
+
+    <string-array name="StatisticsTypeLabels">
+        <item>Bottle</item>
+        <item>Sleep</item>
+    </string-array>
+
+    <string-array name="StatisticsTypeValues">
+        <item>BOTTLE</item>
+        <item>SLEEP</item>
+    </string-array>
+
+    <string-array name="StatisticsDataLabels">
+        <item>Event</item>
+        <item>Amount</item>
+    </string-array>
+
+    <string-array name="StatisticsDataValues">
+        <item>EVENT</item>
+        <item>AMOUNT</item>
+    </string-array>
+
+    <string-array name="StatisticsTimeLabels">
+        <item>Day</item>
+        <item>Week</item>
+        <item>Month</item>
+    </string-array>
+
+    <string-array name="StatisticsTimeValues">
+        <item>DAY</item>
+        <item>WEEK</item>
+        <item>MONTH</item>
+    </string-array>
+
+<!--
+    <string-array name="speakerphoneModeValues">
+        <item>auto</item>
+        <item>on</item>
+        <item>off</item>
+    </string-array>
+-->
 </resources>

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

@@ -18,6 +18,7 @@
     <string name="event_colic_type" translatable="false">💨</string>
     <string name="event_puke_type" translatable="false">🤮</string>
     <string name="event_bath_type" translatable="false">🛁</string>
+    <string name="event_sleep_type" translatable="false">💤</string>
     <string name="event_unknown_type" translatable="false">\?</string>
 
     <string name="event_bottle_desc">Baby bottle</string>
@@ -35,6 +36,7 @@
     <string name="event_colic_desc">Gaseous colic</string>
     <string name="event_puke_desc">Puke</string>
     <string name="event_bath_desc">Bath</string>
+    <string name="event_sleep_desc">Sleep</string>
     <string name="event_unknown_desc"></string>
 
     <string name="overflow_event_weight">⚖️ Weight</string>
@@ -44,12 +46,14 @@
     <string name="overflow_event_temperature">🌡️ Temperature</string>
     <string name="overflow_event_colic">💨 Gaseous colic</string>
     <string name="overflow_event_puke">🤮 Puke</string>
+    <string name="overflow_event_sleep">💤 Sleep</string>
     <string name="overflow_event_bath">🛁 Bath</string>
 
     <string name="toast_event_added">Event logged</string>
     <string name="toast_logbook_saved">Logbook saved</string>
     <string name="toast_event_add_error">Unable to log the event</string>
     <string name="toast_integer_error">Invalid value. Insert an integer.</string>
+    <string name="toast_date_error">Invalid date.</string>
 
     <string name="now">now</string>
     <string name="second_ago">sec</string>
@@ -73,6 +77,8 @@
     <string name="no_connection_go_to_settings">Settings</string>
     <string name="no_connection_retry">Retry</string>
 
+    <string name="statistics_title">Statistics</string>
+
     <string name="settings_title">Settings</string>
     <string name="settings_signature">Signature</string>
     <string name="settings_signature_desc">Attach a signature to each event you create and for others to see. Useful if multiple people add events.</string>
@@ -112,6 +118,7 @@
     <string name="log_temperature_dialog_description">Select the temperature:</string>
     <string name="log_unknown_dialog_description"></string>
     <string name="log_weight_dialog_description">Insert the weight:</string>
+    <string name="log_sleep_dialog_description">Set sleep duration:</string>
 
     <string name="measurement_unit_liquid_base_metric" translatable="false">ml</string>
     <string name="measurement_unit_weight_base_metric" translatable="false">g</string>
@@ -127,7 +134,8 @@
     <string name="row_luna_event_time">Time</string>
 
     <string name="dialog_event_detail_title">Event detail</string>
-    <string name="dialog_event_detail_close_button">OK</string>
+    <string name="dialog_event_detail_close_button">Close</string>
+    <string name="dialog_event_detail_save_button">Save</string>
     <string name="dialog_event_detail_delete_button">Delete</string>
     <string name="dialog_event_detail_quantity">Quantity</string>
     <string name="dialog_event_detail_notes">Notes</string>

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.13.0"
+agp = "8.12.0"
 kotlin = "2.0.0"
 coreKtx = "1.10.1"
 junit = "4.13.2"
@@ -9,6 +9,8 @@ lifecycleRuntimeKtx = "2.6.1"
 activityCompose = "1.8.0"
 composeBom = "2024.04.01"
 appcompat = "1.7.0"
+mpandroidchart = "v4.2.2"
+mpandroidchartVersion = "v3.1.0"
 recyclerview = "1.3.2"
 material = "1.12.0"
 
@@ -30,6 +32,8 @@ androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+mpandroidchart = { module = "com.github.PhilJay:MPAndroidChart", version.ref = "mpandroidchart" }
+mpandroidchart-vv310 = { module = "com.github.PhilJay:MPAndroidChart", version.ref = "mpandroidchartVersion" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

settings.gradle.kts

@@ -16,7 +16,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
-        maven(url = "https://jitpack.io")
+        maven(url = uri("https://jitpack.io"))
     }
 }