GCM（谷歌云消息）在Android的推送通知

Question

我想使用GCM推送通知。我的设备已注册到服务器，我也创建了设备注册ID。但是当我试图从我的服务器发送消息时，消息不会进入注册的设备。谁能帮帮我吗？

我的主要活动

包com.ati.gcm;

import com.google.android.gcm.GCMRegistrar;

import android.os.AsyncTask;

import android.os.Bundle;

import android.app.Activity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.util.Log;

import android.view.Menu;

import android.widget.TextView;

import android.widget.Toast;

import static com.ati.gcm.CommonUtilities.DISPLAY_MESSAGE_ACTION;

import static com.ati.gcm.CommonUtilities.EXTRA_MESSAGE;

import static com.ati.gcm.CommonUtilities.SENDER_ID;

公共类MainActivity扩展活动{

// label to display gcm messages 
TextView lblMessage; 

// Asyntask 
AsyncTask<Void, Void, Void> mRegisterTask; 

// Alert dialog manager 
AlertDialogManager alert = new AlertDialogManager(); 

// Connection detector 
ConnectionDetector cd; 

public static String name; 
public static String email; 

@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 

    cd = new ConnectionDetector(getApplicationContext()); 

    // Check if Internet present 
    if (!cd.isConnectingToInternet()) { 
     // Internet Connection is not present 
     alert.showAlertDialog(MainActivity.this, 
       "Internet Connection Error", 
       "Please connect to working Internet connection", false); 
     // stop executing code by return 
     return; 
    } 

    // Getting name, email from intent 
    Intent i = getIntent(); 

    name = i.getStringExtra("name"); 
    email = i.getStringExtra("email");  

    // Make sure the device has the proper dependencies. 
    GCMRegistrar.checkDevice(this); 

    // Make sure the manifest was properly set - comment out this line 
    // while developing the app, then uncomment it when it's ready. 
    GCMRegistrar.checkManifest(this); 

    lblMessage = (TextView) findViewById(R.id.lblMessage); 

    registerReceiver(mHandleMessageReceiver, new IntentFilter(
      DISPLAY_MESSAGE_ACTION)); 

    // Get GCM registration id 
    final String regId = GCMRegistrar.getRegistrationId(this); 

    // Check if regid already presents 
    if (regId.equals("")) { 
     // Registration is not present, register now with GCM   
     GCMRegistrar.register(this, SENDER_ID); 
    } else { 
     // Device is already registered on GCM 
     if (GCMRegistrar.isRegisteredOnServer(this)) { 
      // Skips registration.    
      Toast.makeText(getApplicationContext(), "Already registered with GCM", Toast.LENGTH_LONG).show(); 
     } 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) { 
        // Register on our server 
        // On server creates a new user 
        ServerUtilities.register(context, name, email, regId); 
        return null; 
       } 

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

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

/** 
* Receiving push messages 
* */ 
private final BroadcastReceiver mHandleMessageReceiver = new BroadcastReceiver() { 
    @Override 
    public void onReceive(Context context, Intent intent) { 
     String newMessage = intent.getExtras().getString(EXTRA_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 
     lblMessage.append(newMessage + "\n");   
     Toast.makeText(getApplicationContext(), "New Message: " + newMessage, Toast.LENGTH_LONG).show(); 

     // Releasing wake lock 
     WakeLocker.release(); 
    } 
}; 

@Override 
protected void onDestroy() { 
    if (mRegisterTask != null) { 
     mRegisterTask.cancel(true); 
    } 
    try { 
     unregisterReceiver(mHandleMessageReceiver); 
     GCMRegistrar.onDestroy(this); 
    } catch (Exception e) { 
     Log.e("UnRegister Receiver Error", "> " + e.getMessage()); 
    } 
    super.onDestroy(); 
} 

}

Answer 1

• 你有没有通过ID和GCM服务器发送客户端的GCM ID到您的服务器，服务器通信与客户端。
• 您是否已将GCM权限插入到您的清单中？
• Gcmintentservice.java是否位于项目的主包中？