Create stub implementation for OnSeekBarChangeListener

app/src/main/java/org/schabi/newpipe/download/DownloadDialog.java

@@ -61,6 +61,7 @@ import org.schabi.newpipe.util.FilenameUtils;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.SecondaryStreamHelper;
+import org.schabi.newpipe.util.SimpleOnSeekBarChangeListener;
 import org.schabi.newpipe.util.StreamItemAdapter;
 import org.schabi.newpipe.util.StreamItemAdapter.StreamSizeWrapper;
 import org.schabi.newpipe.util.ThemeHelper;
@@ -321,21 +322,15 @@ public class DownloadDialog extends DialogFragment
         final int threads = prefs.getInt(getString(R.string.default_download_threads), 3);
         dialogBinding.threadsCount.setText(String.valueOf(threads));
         dialogBinding.threads.setProgress(threads - 1);
-        dialogBinding.threads.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+        dialogBinding.threads.setOnSeekBarChangeListener(new SimpleOnSeekBarChangeListener() {
             @Override
-            public void onProgressChanged(final SeekBar seekbar, final int progress,
+            public void onProgressChanged(@NonNull final SeekBar seekbar, final int progress,
                                           final boolean fromUser) {
                 final int newProgress = progress + 1;
                 prefs.edit().putInt(getString(R.string.default_download_threads), newProgress)
                         .apply();
                 dialogBinding.threadsCount.setText(String.valueOf(newProgress));
             }
-
-            @Override
-            public void onStartTrackingTouch(final SeekBar p1) { }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBar p1) { }
         });
 
         fetchStreamsSize();

app/src/main/java/org/schabi/newpipe/player/helper/PlaybackParameterDialog.java

@@ -20,6 +20,7 @@ import androidx.fragment.app.DialogFragment;
 import androidx.preference.PreferenceManager;
 
 import org.schabi.newpipe.R;
+import org.schabi.newpipe.util.SimpleOnSeekBarChangeListener;
 import org.schabi.newpipe.util.SliderStrategy;
 
 public class PlaybackParameterDialog extends DialogFragment {
@@ -495,10 +496,10 @@ public class PlaybackParameterDialog extends DialogFragment {
     // Sliders
     //////////////////////////////////////////////////////////////////////////*/
 
-    private SeekBar.OnSeekBarChangeListener getOnTempoChangedListener() {
+    private SimpleOnSeekBarChangeListener getOnTempoChangedListener() {
-        return new SeekBar.OnSeekBarChangeListener() {
+        return new SimpleOnSeekBarChangeListener() {
             @Override
-            public void onProgressChanged(final SeekBar seekBar, final int progress,
+            public void onProgressChanged(@NonNull final SeekBar seekBar, final int progress,
                                           final boolean fromUser) {
                 final double currentTempo = strategy.valueOf(progress);
                 if (fromUser) {
@@ -506,23 +507,13 @@ public class PlaybackParameterDialog extends DialogFragment {
                     setCurrentPlaybackParameters();
                 }
             }
-
-            @Override
-            public void onStartTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
         };
     }
 
-    private SeekBar.OnSeekBarChangeListener getOnPitchChangedListener() {
+    private SimpleOnSeekBarChangeListener getOnPitchChangedListener() {
-        return new SeekBar.OnSeekBarChangeListener() {
+        return new SimpleOnSeekBarChangeListener() {
             @Override
-            public void onProgressChanged(final SeekBar seekBar, final int progress,
+            public void onProgressChanged(@NonNull final SeekBar seekBar, final int progress,
                                           final boolean fromUser) {
                 final double currentPitch = strategy.valueOf(progress);
                 if (fromUser) { // this change is first in chain
@@ -530,23 +521,13 @@ public class PlaybackParameterDialog extends DialogFragment {
                     setCurrentPlaybackParameters();
                 }
             }
-
-            @Override
-            public void onStartTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
         };
     }
 
-    private SeekBar.OnSeekBarChangeListener getOnSemitoneChangedListener() {
+    private SimpleOnSeekBarChangeListener getOnSemitoneChangedListener() {
-        return new SeekBar.OnSeekBarChangeListener() {
+        return new SimpleOnSeekBarChangeListener() {
             @Override
-            public void onProgressChanged(final SeekBar seekBar, final int progress,
+            public void onProgressChanged(@NonNull final SeekBar seekBar, final int progress,
                                           final boolean fromUser) {
                 // semitone slider supplies values 0 to 24, subtraction by 12 is required
                 final int currentSemitones = progress - 12;
@@ -557,16 +538,6 @@ public class PlaybackParameterDialog extends DialogFragment {
                     setCurrentPlaybackParameters();
                 }
             }
-
-            @Override
-            public void onStartTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBar seekBar) {
-                // Do Nothing.
-            }
         };
     }
 

app/src/main/java/org/schabi/newpipe/util/SimpleOnSeekBarChangeListener.kt

@@ -0,0 +1,12 @@
+package org.schabi.newpipe.util
+
+import android.widget.SeekBar
+
+/**
+ * Why the hell didn't they make a stub implementation for this?
+ */
+abstract class SimpleOnSeekBarChangeListener : SeekBar.OnSeekBarChangeListener {
+    override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {}
+    override fun onStartTrackingTouch(seekBar: SeekBar) {}
+    override fun onStopTrackingTouch(seekBar: SeekBar) {}
+}