Add files via upload

Author: Zenlua

app/src/main/java/com/example/wakelockapp/WakeLockReceiver.java

@@ -4,9 +4,11 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.os.Handler;
+import android.os.Looper;
 import android.os.PowerManager;
-import android.util.Log;
 import android.widget.Toast;
+import android.util.Log;
 
 public class WakeLockReceiver extends BroadcastReceiver {
     private static PowerManager.WakeLock wakeLock;
@@ -20,13 +22,14 @@ public void onReceive(Context context, Intent intent) {
             wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "WakeLockApp::ReceiverLock");
         }
 
+        Handler handler = new Handler(Looper.getMainLooper());
         if ("on".equals(action) && !wakeLock.isHeld()) {
             wakeLock.acquire();
-            Toast.makeText(context, "Wake Lock đã BẬT", Toast.LENGTH_SHORT).show();
+            handler.post(() -> Toast.makeText(context, "Wake Lock đã BẬT", Toast.LENGTH_SHORT).show());
             Log.i("WakeLockReceiver", "WakeLock acquired via broadcast");
         } else if ("off".equals(action) && wakeLock.isHeld()) {
             wakeLock.release();
-            Toast.makeText(context, "Wake Lock đã TẮT", Toast.LENGTH_SHORT).show();
+            handler.post(() -> Toast.makeText(context, "Wake Lock đã TẮT", Toast.LENGTH_SHORT).show());
             Log.i("WakeLockReceiver", "WakeLock released via broadcast");
         }
     }