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POAndroid GCM basic implementation
 

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    <p><strong>UPDATE:</strong> I fixed the problems in the code below so this makes a nice basic working example of how to use <code>GCM</code></p> <hr> <p>So, I'm trying to implement Android <code>GCM</code> into my app. Here are the relevant parts I've added to the manifest:</p> <pre><code>&lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="20" /&gt; &lt;permission android:name=".permission.C2D_MESSAGE" android:protectionLevel="signature" /&gt; &lt;uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" /&gt; &lt;uses-permission android:name=".permission.C2D_MESSAGE" /&gt; &lt;uses-permission android:name="android.permission.WAKE_LOCK"/&gt; &lt;uses-permission android:name="android.permission.GET_ACCOUNTS"/&gt; </code></pre> <p>...</p> <pre><code>&lt;receiver android:name="com.google.android.gcm.GCMBroadcastReceiver" android:permission="com.google.android.c2dm.permission.SEND" &gt; &lt;intent-filter&gt; &lt;action android:name="com.google.android.c2dm.intent.RECEIVE" /&gt; &lt;action android:name="com.google.android.c2dm.intent.REGISTRATION" /&gt; &lt;category android:name="com.badbob.app.gmctestapp" /&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;service android:name=".GCMIntentService" /&gt; </code></pre> <p>I've added the following code to the onCreate of my main activity:</p> <pre><code> GCMRegistrar.checkDevice( this ); GCMRegistrar.checkManifest( this ); final String regId = GCMRegistrar.getRegistrationId( this ); if( regId.equals( "" ) ) { GCMRegistrar.register( this, GCM_SENDER_ID ); } else { Log.v( LOG_TAG, "Already registered" ); } </code></pre> <p>I've also created the <code>GCMIntenetService</code> class like so:</p> <pre><code>public class GCMIntentService extends GCMBaseIntentService { private static final String LOG_TAG = "GetAClue::GCMIntentService"; public GCMIntentService() { super( GCM_SENDER_ID ); // TODO Auto-generated constructor stub Log.i( LOG_TAG, "GCMIntentService constructor called" ); } @Override protected void onError( Context arg0, String errorId ) { // TODO Auto-generated method stub Log.i( LOG_TAG, "GCMIntentService onError called: " + errorId ); } @Override protected void onMessage( Context arg0, Intent intent ) { // TODO Auto-generated method stub Log.i( LOG_TAG, "GCMIntentService onMessage called" ); Log.i( LOG_TAG, "Message is: " + intent.getStringExtra( "message" ) ); } @Override protected void onRegistered( Context arg0, String registrationId ) { // TODO Auto-generated method stub Log.i( LOG_TAG, "GCMIntentService onRegistered called" ); Log.i( LOG_TAG, "Registration id is: " + registrationId ); } @Override protected void onUnregistered( Context arg0, String registrationId ) { // TODO Auto-generated method stub Log.i( LOG_TAG, "GCMIntentService onUnregistered called" ); Log.i( LOG_TAG, "Registration id is: " + registrationId ); } } </code></pre> <p>When I run this I get this in <strong>LogCat</strong>:</p> <pre><code>07-11 11:28:46.340: V/GCMRegistrar(27435): Registering receiver 07-11 11:28:46.370: D/GCMRegistrar(27435): resetting backoff for com.badbob.app.getacluebeta 07-11 11:28:46.380: V/GCMRegistrar(27435): Registering app com.badbob.app.getacluebeta of senders 128205395388 </code></pre> <p>From what I've gleaned from other posts I should get a registration ID in <code>LogCat</code> but I"m not. Also <code>onRegistered()</code> in <code>GCMIntentService</code> never gets called. So what am I doing wrong?</p>
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    1. CODid you just sign up for GCM? Try again a few hours later. Google APIs have a delay, your sender ID does not become active immediately.
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    2. COI signed up more than 24 hours ago.
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    3. COCan you show the code of your GCMBroadcastReceiver and GCMRegistrar classes?
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