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android - GCMRegistrar getRegistrationId 返回空 ID

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:55:11 32 4
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Possible Duplicate:
Android GCM : GCMRegistrar gives empty registration ID

我关注了Writing the Server-side Application在我的应用程序中实现 GCM,但是

        final String regId = GCMRegistrar.getRegistrationId(this);

返回空。一直。

我正确设置了所有权限。

有代码:

    public void registerPush(){

GCMRegistrar.checkDevice(this);
GCMRegistrar.checkManifest(this);
final String regId = GCMRegistrar.getRegistrationId(this);
REG_ID = regId;
if (regId.equals("")) {
GCMRegistrar.register(this, this.getString(R.string.SENDER_ID));
} else {
if (GCMRegistrar.isRegisteredOnServer(this)) {
// Skips registration.
} else {
// Try to register again, but not in the UI thread.
// It's also necessary to cancel the thread onDestroy(),
// hence the use of AsyncTask instead of a raw thread.
final Context context = this;
mRegisterTask = new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
boolean registered = forceRegister(context, regId);
// At this point all attempts to register with the app
// server failed, so we need to unregister the device
// from GCM - the app will try to register again when
// it is restarted. Note that GCM will send an
// unregistered callback upon completion, but
// GCMIntentService.onUnregistered() will ignore it.


if (!registered) {
GCMRegistrar.unregister(context);
}
return null;
}

@Override
protected void onPostExecute(Void result) {
mRegisterTask = null;
}

};
mRegisterTask.execute(null, null, null);
}
}
}

感谢您的帮助!

编辑: manifest.xml

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />

<permission
android:name="package.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
<uses-permission android:name="package.permission.C2D_MESSAGE" />

<application>
<receiver
android:name="com.google.android.gcm.GCMBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND" >
<intent-filter>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
<action android:name="com.google.android.c2dm.intent.REGISTRATION" />

<category android:name="package" />
</intent-filter>
</receiver>

<service android:name="package.GCMIntentService" />

</application>

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