SampleActivity.java

public class SampleActivity extends AppCompatActivity {

   /**
   * Sample Snippet for Registering Receiver 
   */
   
  MyBroadcastReceiver myBroadCastReceiver;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sample);
      
        myBroadCastReceiver=new MyBroadCastReceiver();
    }

   @Override
    protected void onResume() {
     /**
     * Here you can register the receiver 
     */
        registerBroadcastReceiver();
        super.onResume();
    }
  
   private void registerBroadcastReceiver() {
     /**
     * Defining Intent Filters
     */
            IntentFilter intentFilter=new IntentFilter();
            intentFilter.addAction("android.intent.action.BOOT_COMPLETED");
            intentFilter.addAction("android.intent.action.QUICKBOOT_POWERON");
        registerReceiver(myBroadCastReceiver,intentFilter);
    }
   
   
    /**
     * Unregistering Receiver is not used in our case , because 
     * we need to set repeatly ,even though after app ondestroy state
     */
    private void unregisterBroadcastReceiver() {
     /**
     * Unregistering Receiver
     */
        unregisterReceiver(myBroadCastReceiver);
    }
   

}