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PODevicePolicyManager locknow not in an activity
 

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    <p>Hoping someone can help me, as I have been stuck on this for days. I am trying to lock my device remotely when a PUSH notification arrives with a specified keyword. Else, display the message in a notification.</p> <p>It correctly displays the notification but never locks the screen when the keyword is sent, nothing happens, nothing is logged. I have confirmed the string is correctly read as I previously set it to display a custom notification if the message contained the keyword. The app definitely has admin privileges and I can lock the screen using the same code inside an activity ... is there something else I need to do to get this to work in the gcmintentsevice ??</p> <p>here is my gcmintentservice code</p> <pre><code>package library; import com.test.LoginActivity; import com.test.R; import com.google.android.gms.gcm.GoogleCloudMessaging; import android.app.IntentService; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.admin.DevicePolicyManager; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.SystemClock; import android.support.v4.app.NotificationCompat; import android.util.Log; /** * This {@code IntentService} does the actual handling of the GCM message. * {@code GcmBroadcastReceiver} (a {@code WakefulBroadcastReceiver}) holds a * partial wake lock for this service while the service does its work. When the * service is finished, it calls {@code completeWakefulIntent()} to release the * wake lock. */ public class GcmIntentService extends IntentService { String messagereceived; String Password = "LOCK"; ComponentName mDeviceAdmin; public static final int NOTIFICATION_ID = 1; private DevicePolicyManager mDPM; private NotificationManager mNotificationManager; NotificationCompat.Builder builder; public GcmIntentService() { super("GcmIntentService"); } public static final String TAG = "test"; @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); // The getMessageType() intent parameter must be the intent you received // in your BroadcastReceiver. String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { // has effect of unparcelling Bundle /* * Filter messages based on message type. Since it is likely that GCM will be * extended in the future with new message types, just ignore any message types you're * not interested in, or that you don't recognize. */ if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + extras.toString()); // If it's a regular GCM message, do some work. } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { // This loop represents the service doing some work. for (int i = 0; i &lt; 5; i++) { Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime()); try { Thread.sleep(5000); } catch (InterruptedException e) { } } Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime()); // Post notification of received message. messagereceived = extras.getString("message"); if(messagereceived.equals("LOCK")){ gcmaction(); } else{ sendNotification("Message: " + extras.getString("message")); Log.i(TAG, "Message: " + extras.toString()); } } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReceiver.completeWakefulIntent(intent); } //lock method private void gcmaction() { mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE); mDeviceAdmin = new ComponentName(this, AdminReceiver.class); boolean active = mDPM.isAdminActive(mDeviceAdmin); if (active) { mDPM.resetPassword(Password,DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY); mDPM.lockNow(); } else Log.i(TAG,"Not an admin"); } // Put the message into a notification and post it. // This is just one simple example of what you might choose to do with // a GCM message. private void sendNotification(String msg) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, LoginActivity.class), 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_launcher) .setContentTitle("ParentalKontrol") .setStyle(new NotificationCompat.BigTextStyle() .bigText(msg)) .setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } } </code></pre>
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    1. USGary
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    1. COdid you put any log into `gcmaction()` if this is calling or not.
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    2. COTrying this now ...
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    3. COOk , I think I may have narrowed down the issue ... I rebuilt the AVD and tried again , this time it did lock but I could only get it to work once. Looking at the logs I am seeing the following ... 10-10 09:49:38.363: E/StrictMode(453): A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks.10-10 09:49:38.363: E/StrictMode(453): java.lang.Throwable: Explicit termination method 'close' not called
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      1. USGary
 

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