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Suspend/resume BLE scanning at screen off/on

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dosse91
2019-08-29 12:17:40 +02:00
parent 952c11ba21
commit b59934689e
1 changed files with 25 additions and 1 deletions
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OpenPods/app/src/main/java/com/dosse/airpods/PodsService.java
+25 -1
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@@ -312,7 +312,7 @@ public class PodsService extends Service {
return null;
}
private BroadcastReceiver btReceiver=null;
private BroadcastReceiver btReceiver=null, screenReceiver=null;
/**
* When the service is created, we register to get as many bluetooth and airpods related events as possible.
@@ -398,6 +398,29 @@ public class PodsService extends Service {
}
},BluetoothProfile.HEADSET);
if(ba.isEnabled())startAirPodsScanner(); //if BT is already on when the app is started, start the scanner without waiting for an event to happen
//Screen on/off listener to suspend scanning when the screen is off, to save battery
try{
unregisterReceiver(screenReceiver);
}catch (Throwable t){}
IntentFilter screenIntentFilter = new IntentFilter();
screenIntentFilter.addAction(Intent.ACTION_SCREEN_ON);
screenIntentFilter.addAction(Intent.ACTION_SCREEN_OFF);
screenReceiver=new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if(intent.getAction()==Intent.ACTION_SCREEN_OFF){
Log.d(TAG,"SCREEN OFF");
stopAirPodsScanner();
}else if(intent.getAction()==Intent.ACTION_SCREEN_ON){
Log.d(TAG,"SCREEN ON");
BluetoothAdapter ba=((BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE)).getAdapter();
if(ba.isEnabled())startAirPodsScanner();
}
}
};
try{
registerReceiver(screenReceiver,screenIntentFilter);
}catch(Throwable t){}
}
private boolean checkUUID(BluetoothDevice bluetoothDevice){
@@ -419,6 +442,7 @@ public class PodsService extends Service {
public void onDestroy() {
super.onDestroy();
if(btReceiver!=null) unregisterReceiver(btReceiver);
if(screenReceiver!=null) unregisterReceiver(screenReceiver);
}
@Override