我正在实现推送通知,但在调用getToken时,我收到了TIMEOUT异常。
我已经为GCM设置了应用程序(在此处),SENDER_ID确切地是提供的那一个。此外,后端部分保存了服务器API密钥。
是否有getToken请求的限制?当测试推送通知时,最初几次尝试没有任何问题。
new AsyncTask<Void, Void, Void>(){
@Override
protected Void doInBackground(Void... params) {
try {
InstanceID instance = InstanceID.getInstance(mContext);
String registrationId = instance.getToken(Constants.GCM_SENDER_ID,
GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);
SharedPreferences sp = mContext.getSharedPreferences(Constants.TOKEN_DATA, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.putString(Constants.REGISTRATION_ID, registrationId);
editor.commit();
NotificationsRegister.getInstance(mContext).register(registrationId);
} catch(IOException e) {
e.printStackTrace();
}
return null;
}
}.execute();
Android清单文件:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.myexample" >
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.INTERNET"/>
<permission android:name="com.myexample.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
<uses-permission android:name="com.myexample.permission.C2D_MESSAGE" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<receiver
android:name="com.google.android.gms.gcm.GcmReceiver"
android:exported="true"
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="com.myexample" />
</intent-filter>
</receiver>
<service
android:name=".helper.TutoriaGcmListenerService"
android:exported="false" >
<intent-filter>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
</intent-filter>
</service>
<service
android:name=".helper.TutoriaInstanceIDListenerService"
android:exported="false">
<intent-filter>
<action android:name="com.google.android.gms.iid.InstanceID"/>
</intent-filter>
</service>
...
在Module的build.gradle中添加的依赖项:
- 应用插件: 'com.google.gms.google-services'
- 编译依赖项: 'com.google.android.gms:play-services-gcm:7.5.+'
在项目的build.gradle中添加的依赖项:
- 类路径依赖项: 'com.google.gms:google-services:1.3.0-beta1'