GCM推送通知不工作，并登记身份证，也没有显示 [英] GCM push notification not working , and register id is also not displaying

问题描述

我已经写了一个程序GCM注册和注册ID共享到一个新的活动，但不幸的是，当我在寄存器按钮点击，当我在发送推送通知按钮点击jsp页面它放在我的注册ID本身不显示我投它说一个错误的 文件未发现异常GCMRegId.txt 。照片如果有人可以建议我，我的变化作出以下code，这将是很大的帮助。

I have written a program for GCM to register and share the registered id to a new activity , but unfortunately my register id is itself not showing when i click on register button and when i click on send push notification button on jsp page it throws me an error which says "File Not Found Exception GCMRegId.txt" .
If someone can suggest me the changes that i have to make to the following code , it would be of great help

GCMNotification.java

GCMNotification.java

@WebServlet("/GCMNotification")
public class GCMNotification extends HttpServlet {

private static final long serialVersionUID = 1L;

// Put your Google API Server Key here
private static final String GOOGLE_SERVER_KEY = "Server Key";
static final String MESSAGE_KEY = "message";

public GCMNotification() {
super();
}

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws 
ServletException, IOException {
doPost(request, response);

}

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws 
ServletException,
    IOException {

Result result = null;

String share = request.getParameter("shareRegId");

// GCM RedgId of Android device to send push notification
String regId = "";
if (share != null && !share.isEmpty()) {
    regId = request.getParameter("regId");
    PrintWriter writer = new PrintWriter("GCMRegId.txt");
    writer.println(regId);
    writer.close();
    request.setAttribute("pushStatus", "GCM RegId Received.");
    request.getRequestDispatcher("index.jsp").forward(request, response);
} else {

    try {
        BufferedReader br = new BufferedReader(new FileReader("GCMRegId.txt"));
        regId = br.readLine();
        br.close();
        String userMessage = request.getParameter("message");
        Sender sender = new Sender(GOOGLE_SERVER_KEY);
        Message message = new Message.Builder().timeToLive(30).delayWhileIdle(true)
                .addData(MESSAGE_KEY, userMessage).build();
        System.out.println("regId: " + regId);
        result = sender.send(message, regId, 1);
        request.setAttribute("pushStatus", result.toString());
    } catch (IOException ioe) {
        ioe.printStackTrace();
        request.setAttribute("pushStatus", "RegId required: " + ioe.toString());
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("pushStatus", e.toString());
    }
    request.getRequestDispatcher("index.jsp").forward(request, response);
   }
  }

RegistrationActivity.java 有两个按钮，一个用于分享，上注册按钮注册和其他 我已经把敬酒，但是当我点击它，它让我REGID是：没有REGID显示，当我在分享按钮点击，它显示的 REGID是空的

RegistrationActivity.java which has two button one for Registering and other for sharing, On register button i have put a toast but when i click on it , it shows me "RegId is : " , no regid is shown and when i click on share button , it shows "RegId is empty"

public class RegisterGCMActivity extends Activity {
GoogleCloudMessaging gcm;
Context context;
String registerId;
Button btnGCMRegister;
Button btnAppShare;

public static final String REG_ID = "regId";
private static final String APP_VERSION = "appVersion";
String passedData;
TextView txtHeader;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.reg_gcm);
txtHeader = (TextView) findViewById(R.id.txtHeader);
passedData = getIntent().getStringExtra("name");
txtHeader.setText(passedData);

context = getApplicationContext();

btnGCMRegister = (Button) findViewById(R.id.buttonReg);
btnGCMRegister.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View arg0) {
        if (TextUtils.isEmpty(registerId)) {
            registerId = registerGCM();
            Log.d("RegisterActivity", "GCM RegId: " + registerId);
            Toast.makeText(getBaseContext(), "RegId is :" + registerId, 
            Toast.LENGTH_LONG).show();
        } else {
            Toast.makeText(getApplicationContext(), 
             "Already Registered with GCM Server!",
            Toast.LENGTH_LONG)
                    .show();
        }
       }
    });

btnAppShare = (Button) findViewById(R.id.buttonShare);
btnAppShare.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View arg0) {
        if (TextUtils.isEmpty(registerId)) {
            Toast.makeText(getApplicationContext(), "RegId is empty!", 
            Toast.LENGTH_LONG).show();
        } else {
            Intent i = new Intent(getApplicationContext(), Service_Access.class);
            i.putExtra("regId", registerId);
            Log.d("RegisterActivity", 
             "onClick of Share: Before starting main activity.");
            startActivity(i);
            finish();
            Log.d("RegisterActivity", "onClick of Share: After finish.");
          }
         }
     });
    }

public String registerGCM() {

gcm = GoogleCloudMessaging.getInstance(this);
registerId = getRegistrationId(context);

if (TextUtils.isEmpty(registerId)) {

    registerInBackground();

    Log.d("RegisterActivity", "registerGCM - successfully registered with GCM server - regId:
    " + registerId);
  } else {
    Toast.makeText(getApplicationContext(), "RegId already available. RegId: " + registerId, 
    Toast.LENGTH_LONG)
            .show();
}
return registerId;
}

private String getRegistrationId(Context context) {
final SharedPreferences prefs = getSharedPreferences(MainActivity.class.getSimpleName(), 
Context.MODE_PRIVATE);
String registrationId = prefs.getString(REG_ID, "");
if (registrationId.isEmpty()) {
    // Log.i(TAG, "Registration not found.");
    return "";
}
int registeredVersion = prefs.getInt(APP_VERSION, Integer.MIN_VALUE);
int currentVersion = getAppVersion(context);
if (registeredVersion != currentVersion) {
    // Log.i(TAG, "App version changed.");
    return "";
}
return registrationId;
}

private static int getAppVersion(Context context) {
try {
    PackageInfo packageInfo = 
    context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
    return packageInfo.versionCode;
} catch (NameNotFoundException e) {
    Log.d("RegisterActivity", "I never expected this! Going down, going down!" + e);
    throw new RuntimeException(e);
 }
}

@SuppressWarnings("unchecked")
private void registerInBackground() {
new AsyncTask() {
    protected String doInBackground(Void... params) {
        String msg = "";
        try {
            if (gcm == null) {
                gcm = GoogleCloudMessaging.getInstance(context);
            }
            registerId = gcm.register(com.android.d_governance.Config.GOOGLE_PROJECT_ID);
            Log.d("RegisterActivity", "registerInBackground - regId: " + registerId);
            msg = "Device registered, registration ID=" + registerId;

            storeRegistrationId(context, registerId);
        } catch (IOException ex) {
            msg = "Error :" + ex.getMessage();
            Log.d("RegisterActivity", "Error: " + msg);
        }
        Log.d("RegisterActivity", "AsyncTask completed: " + msg);
        return msg;
    }

    protected void onPostExecute(String msg) {
        Toast.makeText(getApplicationContext(), "Registered with GCM Server." + msg, 
    Toast.LENGTH_LONG).show();
    }

    @Override
    protected Object doInBackground(Object... params) {
        // TODO Auto-generated method stub
        return null;
      }
    }.execute(null, null, null);
   }

private void storeRegistrationId(Context context, String regId) {
final SharedPreferences prefs = getSharedPreferences(Service_Access.class.getSimpleName(),
Context.MODE_PRIVATE);
int appVersion = getAppVersion(context);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(REG_ID, regId);
editor.putInt(APP_VERSION, appVersion);
editor.commit();
}

GCMNotificationIntentService.java

GCMNotificationIntentService.java

public class GCMNotificationIntentService extends IntentService {
public static final int NOTIFICATION_ID = 1;
private NotificationManager mNotificationManager;
NotificationCompat.Builder builder;

public GCMNotificationIntentService() {
super("GcmIntentService");
}

@Override
protected void onHandleIntent(Intent intent) {
// TODO Auto-generated method stub
Bundle extras = intent.getExtras();
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);

String messageType = gcm.getMessageType(intent);

if (!extras.isEmpty()) {
    if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) {
        sendNotification("Send error: " + extras.toString());
    } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) {
        sendNotification("Deleted messages on server: " + extras.toString());
    } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) {

        for (int i = 0; i < 3; i++) {
            // Log.i(TAG, "Working... " + (i + 1) + "/5 @ " +
            // SystemClock.elapsedRealtime());
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
            }

        }
        // Log.i(TAG, "Completed work @ " +
        // SystemClock.elapsedRealtime());

        sendNotification("Message Received from Google GCM Server: " +  
        extras.get(Config.MESSAGE_KEY));
        // Log.i(TAG, "Received: " + extras.toString());
    }
}
GcmBroadcastReceiver.completeWakefulIntent(intent);
 }

private void sendNotification(String msg) {
// Log.d(TAG, "Preparing to send notification...: " + msg);
mNotificationManager = (NotificationManager) 
this.getSystemService(Context.NOTIFICATION_SERVICE);

PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, 
Service_Access.class), 0);

NotificationCompat.Builder mBuilder = new  
NotificationCompat.Builder(this).setSmallIcon(R.drawable.gcm_logo)
        .setContentTitle("GCM Notification").setStyle(new 
NotificationCompat.BigTextStyle().bigText(msg))
        .setContentText(msg);

mBuilder.setContentIntent(contentIntent);
mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
// Log.d(TAG, "Notification sent successfully.");
  }

Config.java

Config.java

public interface Config {
// GCM server using java
static final String APP_SERVER_URL = "http://192.168.1.17:8081/GCM-App-Server/GCMNotification? 
shareRegId=1";

// Google Project Number
static final String GOOGLE_PROJECT_ID = "167543534432";
static final String MESSAGE_KEY = "message";
}

当我在通过从index.jsp页面GCM按钮推送通知点击，这是它显示了错误

When i click on the button push notification via GCM from index.jsp page , this is the error it shows

java.io.FileNotFoundException：GCMRegId.txt（系统找不到指定的文件）
    在java.io.FileInputStream.open（本机方法）
    在java.io.FileInputStream中。（来源不明）
    在java.io.FileInputStream中。（来源不明）
    在java.io.FileReader。（来源不明）
    在com.android.d_governance.GCMNotification.doPost（GCMNotification.java:55）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:646）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:727）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）
    在org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）
    在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:220）
    在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）
    在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:501）
    在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:170）
    在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:98）
    在org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:950）
    在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）
    在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:408）
    在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1040）
    在org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:607）
    在org.apache.tomcat.util.net.A prendpoint $ SocketProcessor.doRun（A prendpoint.java：2441）
    在org.apache.tomcat.util.net.A prendpoint $ SocketProcessor.run（A prendpoint.java：2430）
    在java.util.concurrent.ThreadPoolExecutor.runWorker（来源不明）
    在java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（来源不明）
    在java.lang.Thread.run（来源不明）

java.io.FileNotFoundException: GCMRegId.txt (The system cannot find the file specified) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.(Unknown Source) at java.io.FileInputStream.(Unknown Source) at java.io.FileReader.(Unknown Source) at com.android.d_governance.GCMNotification.doPost(GCMNotification.java:55) at javax.servlet.http.HttpServlet.service(HttpServlet.java:646) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2441) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2430) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

我的LogCat中：

12月1日至12日：05：07.765：D / RegisterActivity（20445）：registerGCM - 与GCM服务器成功注册 - REGID：
12月1日至12日：05：07.765：D / RegisterActivity（20445）：GCM REGID：

01-12 12:05:07.765: D/RegisterActivity(20445): registerGCM - successfully registered with GCM server - regId: 01-12 12:05:07.765: D/RegisterActivity(20445): GCM RegId:

没有GCM REGID被显示出来。

No GCM RegId is showing up

请需要显示我的REGID一些帮助
感谢你

Please need some help in displaying my regid Thanking You

推荐答案

使用这种方法，而不是getRegistrationId（）;

Use this method instead of getRegistrationId();

private String getRegistrationId(Context context) 
    {
        final SharedPreferences prefs = getSharedPreferences(MainActivity.class.getSimpleName(), Context.MODE_PRIVATE);
        String registrationId = prefs.getString(REG_ID, "");
        if (registrationId=="") 
        {
            registerInBackground();
        }
        else
        {
            Toast.makeText(getApplicationContext(),"RegId already available. RegId: " + registrationId, Toast.LENGTH_SHORT).show();
        }
        int registeredVersion = prefs.getInt(APP_VERSION, Integer.MIN_VALUE);
        int currentVersion = getAppVersion(context);
        if (registeredVersion != currentVersion) 
        {
            return "";
        }
        return registrationId;
    }

这篇关于GCM推送通知不工作，并登记身份证，也没有显示的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！