问题在Android中获取令牌ID [英] issue in getting token id in android

问题描述

我知道有很多关于这方面的问题，但我无法从这些问题中找出解决方案。

我从GCM的令牌中获得空值。很多人使用类来完成这个，但是我在同一个类的后台线程中做
。它在regId中返回null。
$ b OnCreate

  if（checkPlayServices （））{
 gcm = GoogleCloudMessaging.getInstance（this）; 
 regid = getRegistrationId（context）; 
 
 if（regid.isEmpty（））{
 Log.e（TAG，在后台注册）; 
 registerInBackground（）; 
} else {
 Log.e（TAG，Notification Token：+ regid）; 
 user.setNotificationToken（regid）; 
} 
} else {
 MyLog.i（TAG，找不到有效的Google Play服务APK。）; 
} 
  

RegisterInBackgroud（）if device is not registered before。

  private void registerInBackground（）{
 new AsyncTask< Void，Void，String>（）{
 @Override 
 protected String doInBackground（Void ... params）{
 String msg =; 
尝试{
 
 Log.e（标记，在后台执行）; 
 if（gcm == null）{
 gcm = GoogleCloudMessaging.getInstance（context）; 
 
 
 if（gcm！= null）
 {
 Log.e（TAG，GCM is not null）; 
} 
 regid = gcm.register（SENDER_ID）; 
 
 Log.e（TAG，token id：+ regid）; 
 
 msg =注册的设备，注册ID =+ regid; 
 
 storeRegistrationId（context，regid）; 
} catch（IOException ex）{
 msg =Error：+ ex.getMessage（）; 
} 
 return msg; 
} 
 
} .execute（null，null，null）; 
} 
  

我试图记录它，它在regId中显示为空。有什么可能是这个问题？

解决方案

一些如何我的应用程序ID不起作用。重新在谷歌控制台上的应用程序生成一个新的ID，我在我的项目中使用，它开始工作。

I know that there are lot of questions about this but I couldn't figure out the solution from those questions.

I am getting null in a token from GCM. many people have done this using class, but I am doing this in background thread in same class. It returns null in regId.

OnCreate

if (checkPlayServices()) {
        gcm = GoogleCloudMessaging.getInstance(this);
        regid = getRegistrationId(context);

        if (regid.isEmpty()) {
            Log.e(TAG, "registering in background");
            registerInBackground();
        } else {
            Log.e(TAG, "Notification Token : " + regid);
            user.setNotificationToken(regid);
        }
    } else {
        MyLog.i(TAG, "No valid Google Play Services APK found.");
    }

RegisterInBackgroud() if device is not registered before.

private void registerInBackground() {
    new AsyncTask<Void, Void, String>() {
        @Override
        protected String doInBackground(Void... params) {
            String msg = "";
            try {

                Log.e(TAG, "doing in background");
                if (gcm == null) {
                    gcm = GoogleCloudMessaging.getInstance(context);
                }

                if(gcm != null)
                {
                    Log.e(TAG, "GCM is not null");
                }
                regid = gcm.register(SENDER_ID);

                Log.e(TAG, "token id:" + regid);

                msg = "Device registered, registration ID=" + regid;

                storeRegistrationId(context, regid);
            } catch (IOException ex) {
                msg = "Error :" + ex.getMessage();
            }
            return msg;
        }

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

I tried to log it bug it display null in regId. what could be the problem in this ?

解决方案

Some how my app id was not working. Recreating app on google console generated a new id which i used in my project and it started working.

这篇关于问题在Android中获取令牌ID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！