我正在遵循http://www.androidhive.info/2012/10/android-push-notifications-using-google-cloud-messaging-gcm-php-and-mysql/的GCM指南.
目前,我在接收通知方面陷入困境.
有时,当我运行代码时,它会因以下错误而崩溃:
7.517: E/AndroIDRuntime(8601): FATAL EXCEPTION: main
7.517: E/AndroIDRuntime(8601): java.lang.RuntimeException: Unable to instantiate receiver com.Google.androID.gcm.GCMbroadcastReceiver: java.lang.classNotFoundException: DIDn’t find class “com.Google.androID.gcm.GCMbroadcastReceiver” on path: DexPathList[[zip file “/data/app/com.example.someactivity-1.apk”],nativelibraryDirectorIEs=[/data/app-lib/com.example.someactivity-1, /vendor/lib, /system/lib]]
7.517: E/AndroIDRuntime(8601): at androID.app.ActivityThread.handleReceiver(ActivityThread.java:2544)
7.517: E/AndroIDRuntime(8601): at androID.app.ActivityThread.access$1500(ActivityThread.java:153)
7.517: E/AndroIDRuntime(8601): at androID.app.ActivityThread$H.handleMessage(ActivityThread.java:1345)
7.517: E/AndroIDRuntime(8601): at androID.os.Handler.dispatchMessage(Handler.java:99)
7.517: E/AndroIDRuntime(8601): at androID.os.Looper.loop(Looper.java:137)
7.517: E/AndroIDRuntime(8601): at androID.app.ActivityThread.main(ActivityThread.java:5295)
7.517: E/AndroIDRuntime(8601): at java.lang.reflect.Method.invokeNative(Native Method)
7.517: E/AndroIDRuntime(8601): at java.lang.reflect.Method.invoke(Method.java:525)
7.517: E/AndroIDRuntime(8601): at com.androID.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739)
7.517: E/AndroIDRuntime(8601): at com.androID.internal.os.ZygoteInit.main(ZygoteInit.java:555)
7.517: E/AndroIDRuntime(8601): at dalvik.system.NativeStart.main(Native Method)
7.517: E/AndroIDRuntime(8601): Caused by: java.lang.classNotFoundException: DIDn’t find class “com.Google.androID.gcm.GCMbroadcastReceiver” on path: DexPathList[[zip file “/data/app/com.example.someactivity-1.apk”],nativelibraryDirectorIEs=[/data/app-lib/com.example.someactivity-1, /vendor/lib, /system/lib]]
7.517: E/AndroIDRuntime(8601): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
7.517: E/AndroIDRuntime(8601): at java.lang.classLoader.loadClass(ClassLoader.java:501)
7.517: E/AndroIDRuntime(8601): at java.lang.classLoader.loadClass(ClassLoader.java:461)
7.517: E/AndroIDRuntime(8601): at androID.app.ActivityThread.handleReceiver(ActivityThread.java:2539)这是我的清单:
<?xml version="1.0" enCoding="utf-8"?><manifest xmlns:androID="http://schemas.androID.com/apk/res/androID" package="com.example.someactivity" androID:versionCode="1" androID:versionname="1.0" > <uses-sdk androID:minSdkVersion="14" androID:targetSdkVersion="17" /> <!-- GCM connects to Internet Services. --> <uses-permission androID:name="androID.permission.INTERNET" /> <!-- GCM requires a Google account. --> <uses-permission androID:name="androID.permission.GET_ACCOUNTS" /> <!-- Keeps the processor from sleePing when a message is received. --> <uses-permission androID:name="androID.permission.WAKE_LOCK" /> <!-- Creates a custom permission so only this app can receive its messages. --> <permission androID:name="com.example.someactivity.permission.C2D_MESSAGE" androID:protectionLevel="signature" /> <uses-permission androID:name="com.example.someactivity.permission.C2D_MESSAGE" /> <!-- This app has permission to register and receive data message. --> <uses-permission androID:name="com.Google.androID.c2dm.permission.RECEIVE" /> <!-- Network State Permissions to detect Internet status --> <uses-permission androID:name="androID.permission.ACCESS_NETWORK_STATE" /> <!-- Permission to vibrate --> <uses-permission androID:name="androID.permission.VIBRATE" /> <application androID:allowBackup="true" androID:icon="@drawable/ic_launcher" androID:label="@string/app_name" androID:theme="@style/theme.Sherlock.light" > <activity androID:name="com.example.someactivity.Login" androID:label="@string/app_name" > <intent-filter> <action androID:name="androID.intent.action.MAIN" /> <category androID:name="androID.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity androID:name="com.example.someactivity.fragmentContainer" > </activity> <receiver androID:name="com.Google.androID.gcm.GCMbroadcastReceiver" androID:permission="com.Google.androID.c2dm.permission.SEND" > <intent-filter> <!-- Receives the actual messages. --> <action androID:name="com.Google.androID.c2dm.intent.RECEIVE" /> <!-- Receives the registration ID. --> <action androID:name="com.Google.androID.c2dm.intent.REGISTRATION" /> <category androID:name="com.example.someactivity" /> </intent-filter> </receiver> <service androID:name=".GcmIntentService" /> </application></manifest>
我使用的接收器:
private final broadcastReceiver mHandleMessageReceiver = new broadcastReceiver() { @OverrIDe public voID onReceive(Context context, Intent intent) { String newMessage = intent.getExtras().getString("Some Message"); // Waking up mobile if it is sleePing WakeLocker.acquire(getApplicationContext()); /** * Take appropriate action on this message * depending upon your app requirement * For Now i am just displaying it on the screen * */ // Showing received message Toast.makeText(getApplicationContext(), "New Message: " + newMessage, Toast.LENGTH_LONG).show(); // Releasing wake lock WakeLocker.release(); }};
为什么我的接收器未实例化,我已经更改了程序包名称.
解决方法:
将gcm.jar添加到您的libs文件夹.
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