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Support player control through headset hook button #7

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Support player control through headset hook button #7

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45 changes: 45 additions & 0 deletions app/src/main/java/org/helllabs/android/xmp/service/receiver/MediaButtonsReceiver.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,53 @@
import android.content.Intent;
import android.view.KeyEvent;

import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;

public class MediaButtonsReceiver extends BroadcastReceiver {
private static final String TAG = "MediaButtonsReceiver";
public static final int NO_KEY = -1;
private static int keyCode = NO_KEY;
private static long smartKeyPressMaxDelayMs = 500;
protected boolean ordered = true;
protected static final Semaphore smartButtonSem = new Semaphore(0);

protected static Thread smartKeyThread = new Thread(new Runnable() {
public void run() {
Log.i(TAG, "Started smart button thread");
try {
while (true) {
smartButtonSem.acquire();
int pressCount = 1;
Log.i(TAG, "First smart button press, waiting next presses...");
while (smartButtonSem.tryAcquire(smartKeyPressMaxDelayMs, TimeUnit.MILLISECONDS)) {
pressCount++;
Log.i(TAG, "Smart button press #" + pressCount + ", waiting next presses...");
}
Log.i(TAG, "Total smart button key presses: " + pressCount);
switch (pressCount) {
case 1: //play/pause
keyCode = KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE;
break;
case 2: // next
keyCode = KeyEvent.KEYCODE_MEDIA_NEXT;
break;
default: // previous
keyCode = KeyEvent.KEYCODE_MEDIA_PREVIOUS;
break;
}
}
} catch (InterruptedException ex) {
Log.e(TAG, ex.getMessage());
}
}
});

public MediaButtonsReceiver() {
if (!smartKeyThread.isAlive()) {
smartKeyThread.start();
}
}

@Override
public void onReceive(final Context context, final Intent intent) {
Expand All @@ -36,6 +77,10 @@ public void onReceive(final Context context, final Intent intent) {
Log.i(TAG, "Key code " + code);
keyCode = code;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
Log.i(TAG, "Smart key pressed");
smartButtonSem.release();
break;
default:
Log.i(TAG, "Unhandled key code " + code);
}
Expand Down