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android - 谷歌 GCMIntentService 实例化

转载 作者:IT老高 更新时间:2023-10-28 23:27:32 24 4
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Possible Duplicate:
Android RuntimeException: Unable to instantiate the service

尝试启动并运行 GCM,但我的设备正在发送注册请求,但没有从 GCM 服务器得到响应。下面我包括了我的 list 和 GCMIntentService 定义,以及我向 GCM 服务器注册的调用。我一直盯着它太久了,我可能会遗漏一些明显的东西,如果是这样,我深表歉意。

欢迎所有想法!

这是我的 list :

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="PACKAGE"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />

<permission android:name="PACKAGE.permission.C2D_MESSAGE" android:protectionLevel="signature" />
<uses-permission android:name="PACKAGE.permission.C2D_MESSAGE" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.INTERNET" />

<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >

<service android:name=".GCMIntentService"
android:enabled="true"/>

<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.GCMIntentService" />
</intent-filter>
</receiver>


<activity
android:name=".MainActivity"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

</manifest>

这是我的 GCMIntentService 来处理来自 GCM 的返回:

import com.google.android.gcm.GCMBaseIntentService;
import android.content.Context;
import android.content.Intent;
import android.util.Log;


public class GCMIntentService extends GCMBaseIntentService {
public static String TAG = "GCMIntentService";

public GCMIntentService(String senderId) {
super(senderId);
Log.d("GCMIntentService", senderId);
}

@Override
protected void onError(Context arg0, String arg1) {
Log.d("onError", arg1);
}

@Override
protected boolean onRecoverableError(Context context, String errorId){
Log.d("onRecoverableError", errorId);
return false;
}

@Override
protected void onMessage(Context arg0, Intent arg1) {
Log.d("onMessage", String.valueOf(arg1));
}

@Override
protected void onRegistered(Context arg0, String arg1) {
Log.d("onRegistered", arg1);
}

@Override
protected void onUnregistered(Context arg0, String arg1) {
Log.d("onUnregistered", arg1);
}
}

我尝试在我的主类的 onCreate 方法中注册以下内容:

GCMRegistrar.checkDevice(this);
GCMRegistrar.checkManifest(this);

final String regId = GCMRegistrar.getRegistrationId(this);
if (regId.equals("")) {
GCMRegistrar.register(this, SENDER_ID);
} else {
Log.d(TAG, "Already registered");
}

更新我已经尝试了 Raz 的建议,但出现以下错误:

07-03 12:07:40.459: W/dalvikvm(341): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
07-03 12:07:40.508: E/AndroidRuntime(341): FATAL EXCEPTION: main
07-03 12:07:40.508: E/AndroidRuntime(341): java.lang.RuntimeException: Unable to instantiate service package.gcm2.GCMIntentService: java.lang.InstantiationException: package.gcm2.GCMIntentService
07-03 12:07:40.508: E/AndroidRuntime(341): at android.app.ActivityThread.handleCreateService(ActivityThread.java:2943)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.app.ActivityThread.access$3300(ActivityThread.java:125)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2087)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.os.Handler.dispatchMessage(Handler.java:99)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.os.Looper.loop(Looper.java:123)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.app.ActivityThread.main(ActivityThread.java:4627)
07-03 12:07:40.508: E/AndroidRuntime(341): at java.lang.reflect.Method.invokeNative(Native Method)
07-03 12:07:40.508: E/AndroidRuntime(341): at java.lang.reflect.Method.invoke(Method.java:521)
07-03 12:07:40.508: E/AndroidRuntime(341): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-03 12:07:40.508: E/AndroidRuntime(341): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-03 12:07:40.508: E/AndroidRuntime(341): at dalvik.system.NativeStart.main(Native Method)
07-03 12:07:40.508: E/AndroidRuntime(341): Caused by: java.lang.InstantiationException: package.gcm2.GCMIntentService
07-03 12:07:40.508: E/AndroidRuntime(341): at java.lang.Class.newInstanceImpl(Native Method)
07-03 12:07:40.508: E/AndroidRuntime(341): at java.lang.Class.newInstance(Class.java:1429)
07-03 12:07:40.508: E/AndroidRuntime(341): at android.app.ActivityThread.handleCreateService(ActivityThread.java:2940)
07-03 12:07:40.508: E/AndroidRuntime(341): ... 10 more
07-03 12:08:34.560: I/Process(341): Sending signal. PID: 341 SIG: 9

最佳答案

在你的 list 中试试这个:

<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="eimmer.liav.elucidate.gcm2" />
</intent-filter>
</receiver>

类别名称需要是您的应用程序包。

如果服务在同一个包名中,请像您一样保留它,否则将其更改为您的真实包而不是 .GCMIntentService 但您还需要 extendoverride GCMBroadcastReceiver

如果您的包不是 eimmer.liav.elucidate.gcm2.GCMIntentService 那么您必须扩展 GCMBroadcastReceiver 并覆盖函数 getGCMIntentServiceClassName() .在该函数中,以字符串示例的形式返回真正的包和类:eimmer.liav.example.GCMIntentService

另外不要忘记将接收者名称更改为新名称。示例:

 <receiver
android:name="eimmer.liav.example.MyGCMBroadcastReceiver"
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="eimmer.liav.elucidate.gcm2" />
</intent-filter>
</receiver>

更多更改您的服务名称为:

<service android:name="eimmer.liav.example.GCMIntentService" 
android:enabled="true"/>

根据 Google 的另一件事,您需要 将构造函数更改为默认构造函数,并发送如下字符串:

public GCMIntentService() {
super("Test");
}

据我所知,字符串并不重要。

玩得开心。

关于android - 谷歌 GCMIntentService 实例化,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11332034/

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