adding a placeholder in case no recordings are available

app/src/main/kotlin/com/simplemobiletools/voicerecorder/fragments/PlayerFragment.kt

@@ -111,6 +111,12 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
 
     private fun setupAdapter() {
         val recordings = getRecordings()
+        recordings_placeholder.beVisibleIf(recordings.isEmpty())
+        if (recordings.isEmpty()) {
+            resetProgress(null)
+            player?.stop()
+        }
+
         val adapter = getRecordingsAdapter()
         if (adapter == null) {
             RecordingsAdapter(context as SimpleActivity, recordings, this, recordings_list, recordings_fastscroller) {
@@ -192,11 +198,7 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
             recording.id.toLong()
         )
 
-        updateCurrentProgress(0)
-        player_progressbar.progress = 0
-        player_progressbar.max = recording.duration
-        player_title.text = recording.title
-        player_progress_max.text = recording.duration.getFormattedDuration()
+        resetProgress(recording)
         (recordings_list.adapter as RecordingsAdapter).updateCurrentRecording(recording.id)
 
         player!!.apply {
@@ -244,6 +246,14 @@ class PlayerFragment(context: Context, attributeSet: AttributeSet) : MyViewPager
         player_progress_current.text = seconds.getFormattedDuration()
     }
 
+    private fun resetProgress(recording: Recording?) {
+        updateCurrentProgress(0)
+        player_progressbar.progress = 0
+        player_progressbar.max = recording?.duration ?: 0
+        player_title.text = recording?.title ?: ""
+        player_progress_max.text = (recording?.duration ?: 0).getFormattedDuration()
+    }
+
     private fun togglePlayPause() {
         if (getIsPlaying()) {
             pausePlayback()

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

@@ -6,6 +6,19 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/recordings_placeholder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/activity_margin"
+        android:gravity="center"
+        android:padding="@dimen/activity_margin"
+        android:lineSpacingExtra="@dimen/medium_margin"
+        android:text="@string/no_recordings_found"
+        android:textSize="@dimen/bigger_text_size"
+        android:visibility="visible"/>
+
     <com.simplemobiletools.commons.views.MyRecyclerView
         android:id="@+id/recordings_list"
         android:layout_width="match_parent"

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

@@ -3,6 +3,7 @@
     <string name="app_launcher_name">Nahrávač zvuku</string>
     <string name="recording_saved_successfully">Nahrávka bola uložená ako \n\"%s\"</string>
     <string name="recording">Nahráva sa</string>
+    <string name="no_recordings_found">Nenašli sa žiadne nahrávky\nvytvorené touto aplikáciou</string>
 
     <!-- Confirmation dialog -->
     <string name="delete_recordings_confirmation">Ste si istý, že chcete odstrániť %s?</string>    <!-- Are you sure you want to delete 5 recordings? -->

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

@@ -3,6 +3,7 @@
     <string name="app_launcher_name">Voice Recorder</string>
     <string name="recording_saved_successfully">Recording saved successfully as\n\"%s\"</string>
     <string name="recording">Recording</string>
+    <string name="no_recordings_found">No recordings created by this app\nhave been found</string>
 
     <!-- Confirmation dialog -->
     <string name="delete_recordings_confirmation">Are you sure you want to delete %s?</string>    <!-- Are you sure you want to delete 5 recordings? -->