Android设为系统默认的短信应用

要设为系统默认的短信应用首先要配置一下AndroidManifest.xml文件，添加下列：

<!-- BroadcastReceiver that listens for incoming SMS messages -->
        <receiver android:name=".demo.SmsReceiver"
                  android:permission="android.permission.BROADCAST_SMS">
            <intent-filter>
                <action