我希望当我的应用被关闭或从缓存中清除时,能够向用户展示GCM通知。以下是我的代码,它只在应用程序处于打开状态时才能工作,但不能在后台运行:
public function send_notification($registatoin_ids, $message) {
include_once 'dbconfig.php';
// Set POST variables
$url = 'https://android.googleapis.com/gcm/send';
$fields = array(
'registration_ids' => $registatoin_ids,
'data' => $message,
);
智能手机无法在我的应用中看到任何服务。下面是一个截图,您可以将我的应用与其他应用如WhatsApp进行比较:
以下是关于GCM的我的清单部分:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="my.app.path" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<!-- ... other permissions -->
<permission
android:name="my.app.path.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
<uses-permission android:name="my.app.path.permission.C2D_MESSAGE" />
<application
...>
<!-- ... activites... -->
<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" />
<category android:name="my.app.path" />
</intent-filter>
</receiver>
<service
android:name=".MyGcmListener"
android:exported="false"
android:enabled="true" >
<intent-filter>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
</intent-filter>
</service>
</application>
</manifest>
我想展示类似WhatsApp的通知。