Add textview for volume control.

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

@@ -56,6 +56,7 @@ public class MainActivity extends AppCompatActivity {
 
     SeekBar seekBar;
     AudioManager audioManager;
+    TextView tvSeekBar;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -210,7 +211,13 @@ public class MainActivity extends AppCompatActivity {
         //(ViewManager) etMillis.getParent().remove
 
         seekBar = findViewById(R.id.seekBar);
+        setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
         audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
+        int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
+        seekBar.setMax(maxVolume);
+
+        tvSeekBar = findViewById(R.id.tvSeekbar);
 
         syncVolume();
 
@@ -218,19 +225,20 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
                 audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, i, AudioManager.FLAG_SHOW_UI);
+                syncVolume();
             }
 
             @Override
             public void onStartTrackingTouch(SeekBar seekBar) {
-                // Do Nothing
+                syncVolume();
             }
 
             @Override
             public void onStopTrackingTouch(SeekBar seekBar) {
-                // Do Nothing
+                syncVolume();
             }
         });
-        setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
 
         recoverScreen();
 
@@ -685,11 +693,16 @@ public class MainActivity extends AppCompatActivity {
     }
 
     public void syncVolume() {
-        int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
-        seekBar.setMax(maxVolume);
+        String tag = TAG + "syncVolume";
+        if (DEBUG) Log.d(tag, "Starting");
 
         int currVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
         seekBar.setProgress(currVolume);
+
+        String volume = getString(R.string.tvSeekBar) + seekBar.getProgress() + "/" + seekBar.getMax();
+        tvSeekBar.setText(volume);
+
+        if (DEBUG) Log.d(tag, "Finished");
     }
 
     @Override

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

@@ -158,13 +158,27 @@
 
     </TableLayout>
 
-    <SeekBar
-        android:id="@+id/seekBar"
-        android:layout_width="match_parent"
+    <RelativeLayout
+        android:layout_width="wrap_content"
         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"/>
+        android:layout_alignParentBottom="true">
+        <SeekBar
+            android:id="@+id/seekBar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginVertical="@dimen/activity_vertical_margin"
+            android:layout_centerInParent="true"
+            android:indeterminate="false"/>
+
+        <TextView
+            android:id="@+id/tvSeekbar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/seekBar"
+            android:layout_centerHorizontal="true"
+            android:text="@string/tvSeekBar"
+            android:textSize="14sp" />
+    </RelativeLayout>
 
 </RelativeLayout>

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

@@ -35,4 +35,6 @@
     <string name="action_millis">Enable Millisecs</string>
     <string name="action_enable_ads">Enable Ads</string>
     <string name="action_exit">Exit</string>
+
+    <string name="tvSeekBar">Media Volume: </string>
 </resources>