events: allow editing of all used values

1. Allow to change the date/time and
other relevant values of an event
on creation and after it was created.

2. Harmonize layout file names and
variable names.

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

@@ -217,7 +217,7 @@ class MainActivity : AppCompatActivity() {
         numberPicker.value = event.quantity / 10
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = datePickerHelper(event.time, dateTV)
+        val pickedTime = datePickHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -254,7 +254,7 @@ class MainActivity : AppCompatActivity() {
         weightET.setText(event.quantity.toString())
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = datePickerHelper(event.time, dateTV)
+        val pickedTime = datePickHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -304,7 +304,7 @@ class MainActivity : AppCompatActivity() {
         }
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = datePickerHelper(event.time, dateTV)
+        val pickedTime = datePickHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -328,7 +328,7 @@ class MainActivity : AppCompatActivity() {
         alertDialog.show()
     }
 
-    fun datePickerHelper(time: Long, dateTextView: TextView): Calendar {
+    fun datePickHelper(time: Long, dateTextView: TextView): Calendar {
         dateTextView.text = DateUtils.formatDateTime(time)
 
         val dateTime = Calendar.getInstance()
@@ -389,7 +389,7 @@ class MainActivity : AppCompatActivity() {
         spinner.setSelection(event.quantity - 1)
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedTime = datePickerHelper(event.time, dateTV)
+        val pickedTime = datePickHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -422,7 +422,7 @@ class MainActivity : AppCompatActivity() {
         d.setView(dialogView)
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
-        val pickedDateTime = datePickerHelper(event.time, dateTV)
+        val pickedDateTime = datePickHelper(event.time, dateTV)
         if (!showTime) {
             dateTV.visibility = View.GONE
         }
@@ -457,7 +457,7 @@ class MainActivity : AppCompatActivity() {
         val qtyET = dialogView.findViewById<EditText>(R.id.notes_qty_edittext)
 
         val dateTV = dialogView.findViewById<TextView>(R.id.notes_date_picker)
-        val pickedTime = datePickerHelper(event.time, dateTV)
+        val pickedTime = datePickHelper(event.time, dateTV)
 
         if (!showTime) {
             dateTV.visibility = View.GONE
@@ -569,7 +569,7 @@ class MainActivity : AppCompatActivity() {
         emojiTextView.text = event.getTypeEmoji(this)
         descriptionTextView.text = event.getTypeDescription(this)
 
-        val pickedTime = datePickerHelper(event.time, dateTextView)
+        val pickedTime = datePickHelper(event.time, dateTextView)
         val updateValues = {
             quantityTextView.text = NumericUtils(this).formatEventQuantity(event)
             notesTextView.text = event.notes