我正在开发一个c2dm消息应用程序。这样我就可以使用C2DMBroadcastReceiverC2DMBaseReceiverC2DMMessaging类接收注册id im。我将在扩展C2DMReceiver的包中C2DMBaseReceiver
这是我的代码片段
c2dmessaging.java语言

package com.google.android.c2dm;

import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.util.Log;

public class C2DMessaging {
    public static final String EXTRA_SENDER = "sender";
    public static final String EXTRA_APPLICATION_PENDING_INTENT = "app";
    public static final String REQUEST_UNREGISTRATION_INTENT = "com.google.android.c2dm.intent.UNREGISTER";
    public static final String REQUEST_REGISTRATION_INTENT = "com.google.android.c2dm.intent.REGISTER";
    public static final String LAST_REGISTRATION_CHANGE = "last_registration_change";
    public static final String BACKOFF = "backoff";
    public static final String GSF_PACKAGE = "com.google.android.gsf";

    // package
    static final String PREFERENCE = "com.google.android.c2dm";

    private static final long DEFAULT_BACKOFF = 30000;

    /**
     * Initiate c2d messaging registration for the current application
     */
    public static void register(Context context,
            String senderId) {
        Intent registrationIntent = new Intent(REQUEST_REGISTRATION_INTENT);
        registrationIntent.setPackage(GSF_PACKAGE);
        registrationIntent.putExtra(EXTRA_APPLICATION_PENDING_INTENT,
                PendingIntent.getBroadcast(context, 0, new Intent(), 0));
        registrationIntent.putExtra(EXTRA_SENDER, senderId);
        context.startService(registrationIntent);
        Log.e("C2DM Services","Service Started");

    }

    /**
     * Unregister the application. New messages will be blocked by server.
     */
    public static void unregister(Context context) {
        Intent regIntent = new Intent(REQUEST_UNREGISTRATION_INTENT);
        regIntent.setPackage(GSF_PACKAGE);
        regIntent.putExtra(EXTRA_APPLICATION_PENDING_INTENT, PendingIntent.getBroadcast(context,
                0, new Intent(), 0));
        context.startService(regIntent);
        Log.e("C2DM Services","unregister");
    }

    /**
     * Return the current registration id.
     *
     * If result is empty, the registration has failed.
     *
     * @return registration id, or empty string if the registration is not complete.
     */
    public static String getRegistrationId(Context context) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        String registrationId = prefs.getString("dm_registration", "");
        Log.e("C2DM Services","get registration id");
        return registrationId;

    }

    public static long getLastRegistrationChange(Context context) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        Log.e("C2DM Services","getlastregchange");
        return prefs.getLong(LAST_REGISTRATION_CHANGE, 0);
    }

    static long getBackoff(Context context) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        Log.e("C2DM Services","getbackoff");
        return prefs.getLong(BACKOFF, DEFAULT_BACKOFF);
    }

    static void setBackoff(Context context, long backoff) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        Editor editor = prefs.edit();
        editor.putLong(BACKOFF, backoff);
        editor.commit();
        Log.e("C2DM Services","setbackoff");
    }

    // package
    static void clearRegistrationId(Context context) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        Editor editor = prefs.edit();
        editor.putString("dm_registration", "");
        editor.putLong(LAST_REGISTRATION_CHANGE, System.currentTimeMillis());
        editor.commit();
        Log.e("C2DM Services","clearregid");
    }

    // package
    static void setRegistrationId(Context context, String registrationId) {
        final SharedPreferences prefs = context.getSharedPreferences(
                PREFERENCE,
                Context.MODE_PRIVATE);
        Editor editor = prefs.edit();
        editor.putString("dm_registration", registrationId);
        editor.commit();
        Log.e("C2DM Services","setregid");
    }
}

c2dbroadcastReceiver.java语言
package com.google.android.c2dm;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class C2DMBroadcastReceiver extends BroadcastReceiver {

    @Override
    public final void onReceive(Context context, Intent intent) {
        // To keep things in one place.
           Log.e("C2DM Broadcast receiver","onReceive");
        C2DMBaseReceiver.runIntentInService(context, intent);
        setResult(Activity.RESULT_OK, null /* data */, null /* extra */);
    }

}

清单文件
<permission android:name="com.sample.gt.permission.C2D_MESSAGE"
        android:protectionLevel="signature" />
 <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="com.sample.gt.permission.C2D_MESSAGE" />
    <!-- Permissions -->
    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
     <service android:name="com.sample.gt.c2dm.C2DMReceiver" />

    <!--
        Only C2DM servers can send messages for the app. If permission is not
        set - any other app can generate it
    -->
    <receiver android:name="com.google.android.c2dm.C2DMBroadcastReceiver"
        android:permission="com.google.android.c2dm.permission.SEND">
        <!-- Receive the actual message -->
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
            <category android:name="com.sample.gt.c2dm" />
        </intent-filter>
        <!-- Receive the registration id -->
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
            <category android:name="com.sample.gt.c2dm" />
        </intent-filter>
    </receiver>

c2dmessaging.java语言
public class C2DMessaging {
    public static final String EXTRA_SENDER = "sender";
    public static final String EXTRA_APPLICATION_PENDING_INTENT = "app";
    public static final String REQUEST_UNREGISTRATION_INTENT = "com.google.android.c2dm.intent.UNREGISTER";
    public static final String REQUEST_REGISTRATION_INTENT = "com.google.android.c2dm.intent.REGISTER";
    public static final String LAST_REGISTRATION_CHANGE = "last_registration_change";
    public static final String BACKOFF = "backoff";
    public static final String GSF_PACKAGE = "com.google.android.gsf";


    // package
    static final String PREFERENCE = "com.google.android.c2dm";

    private static final long DEFAULT_BACKOFF = 30000;

    /**
     * Initiate c2d messaging registration for the current application
     */
    public static void register(Context context,
            String senderId) {
        Intent registrationIntent = new Intent(REQUEST_REGISTRATION_INTENT);
        registrationIntent.setPackage(GSF_PACKAGE);
        registrationIntent.putExtra(EXTRA_APPLICATION_PENDING_INTENT,
                PendingIntent.getBroadcast(context, 0, new Intent(), 0));
        registrationIntent.putExtra(EXTRA_SENDER, senderId);
        context.startService(registrationIntent);
        Log.e("C2DM Services","Service Started");
   }
   ..........

}
现在我的问题是,
我通过传递上下文从我的活动调用c2dmessaging的寄存器,在c2dmessaging中创建服务,之后im在c2dbroadcastReceiver的onReceive()中没有接收任何内容。
这是我从vogille.de得到的代码。如果我这样使用它,这是很好的,但是当我在我的应用程序中使用这个时,这个问题就来了。
我在某个帖子上搜索了一些东西,发现问题可能在manifest文件中。
我不知道我错在哪里。有人能帮忙吗?

最佳答案

出于一个不清楚的原因,您的接收方类c2dmceiver必须位于包的根目录中,包在清单中声明为您的包名称。
这是我唯一的办法让这个工作…所以不是:

service android:name="com.sample.gt.c2dm.C2DMReceiver"

尝试
service android:name=".C2DMReceiver"

这是我的清单摘录(权限除外)
 <!--C2DM -->
    <service android:name=".C2DMReceiver" />
    <receiver android:name="com.google.android.c2dm.C2DMBroadcastReceiver"
        android:permission="com.google.android.c2dm.permission.SEND">
        <!-- Receive the actual message -->
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
            <category android:name="my.package" />
        </intent-filter>
        <!-- Receive the registration id -->
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
            <category android:name="my.package" />
        </intent-filter>
    </receiver>

07-26 03:41