Add a seek bar tied to media volume.

app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java

@@ -4,6 +4,7 @@ import android.app.NotificationManager;
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.graphics.Color;
+import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.media.Ringtone;
 import android.media.RingtoneManager;
@@ -14,13 +15,16 @@ import android.os.Message;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.View;
 import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.SeekBar;
 import android.widget.TableRow;
 import android.widget.TextView;
 
+import java.net.URI;
 import java.util.Map;
 
 public class MainActivity extends AppCompatActivity {
@@ -50,6 +54,9 @@ public class MainActivity extends AppCompatActivity {
     Uri ringtoneUri;
     MediaPlayer mediaPlayer;
 
+    SeekBar seekBar;
+    AudioManager audioManager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         String tag = "onCreate";
@@ -202,7 +209,29 @@ public class MainActivity extends AppCompatActivity {
         etMillis.setVisibility(View.GONE);
         //(ViewManager) etMillis.getParent().remove
 
-        //sharedPreferences.edit().putBoolean(keyStartStop, false).apply();
+        seekBar = findViewById(R.id.seekBar);
+        audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
+
+        syncVolume();
+
+        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
+                audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, i, AudioManager.FLAG_SHOW_UI);
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                // Do Nothing
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                // Do Nothing
+            }
+        });
+        setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
         recoverScreen();
 
         if (DEBUG) Log.d(tag, "Finished");
@@ -585,7 +614,9 @@ public class MainActivity extends AppCompatActivity {
         if (DEBUG) Log.d(tag, "Starting");
 
         /* Original code, did not work on Nexus 7 with CM 12.1-20151117 (Android 5.1.1) * /
-        Ringtone ringtone = RingtoneManager.getRingtone(getApplicationContext(), ringtoneUri);
+        Uri uri = Uri.parse("android.resource://" + getPackageName() + "/raw/chime_sound_7143");
+        //Ringtone ringtone = RingtoneManager.getRingtone(getApplicationContext(), ringtoneUri);
+        Ringtone ringtone = RingtoneManager.getRingtone(getApplicationContext(), uri);
         ringtone.play();
         /**/
 
@@ -616,6 +647,17 @@ public class MainActivity extends AppCompatActivity {
         if (DEBUG) Log.d(tag, "Finished");
     }
 
+    private void flipInputTexts() {
+        String tag = TAG + "flipInputTexts";
+        if (DEBUG) Log.d(tag, "Starting");
+
+        etHours.setEnabled(!start);
+        etMinutes.setEnabled(!start);
+        etSeconds.setEnabled(!start);
+
+        if (DEBUG) Log.d(tag, "Finished");
+    }
+
     private void resetAll() {
         String tag = TAG + "resetAll";
         if (DEBUG) Log.d(tag, "Starting");
@@ -642,6 +684,14 @@ public class MainActivity extends AppCompatActivity {
         if (DEBUG) Log.d(tag, "Finished");
     }
 
+    public void syncVolume() {
+        int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
+        seekBar.setMax(maxVolume);
+
+        int currVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
+        seekBar.setProgress(currVolume);
+    }
+
     @Override
     protected void onPause() {
         String tag = TAG + "onPause";
@@ -693,15 +743,14 @@ public class MainActivity extends AppCompatActivity {
         if (DEBUG) Log.d(tag, "Finished");
     }
 
-    private void flipInputTexts() {
-        String tag = TAG + "flipInputTexts";
-        if (DEBUG) Log.d(tag, "Starting");
-
-        etHours.setEnabled(!start);
-        etMinutes.setEnabled(!start);
-        etSeconds.setEnabled(!start);
-
-        if (DEBUG) Log.d(tag, "Finished");
-    }
-
-}
+    // TODO: This is somehow always 1 action behind the actual volume when pressing volume buttons.
+    // Like when doing down+up+down, the bar does nothing+down+up.
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
+            boolean bool = super.onKeyDown(keyCode, event);
+            syncVolume();
+            return bool;
+        }
+        return super.onKeyDown(keyCode, event);
+    }}

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

@@ -158,4 +158,13 @@
 
     </TableLayout>
 
+    <SeekBar
+        android:id="@+id/seekBar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/tblButtons"
+        android:layout_alignParentBottom="true"
+        android:layout_marginVertical="@dimen/activity_vertical_margin"
+        android:layout_centerHorizontal="true"/>
+
 </RelativeLayout>