KillSilentMode AndroidManifest.xml

<uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <!--<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />-->
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />

    <permission android:name="com.natanavra.killsilentmode.permission.C2D_MESSAGE"
        android:protectionLevel="signature" />
    <uses-permission android:name="com.natanavra.killsilentmode.permission.C2D_MESSAGE" />

    <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="con.google.android.c2dm.intent.RECEIVE" />
                <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
                <category android:name="com.natanavra.killsilentmode" />
            </intent-filter>
        </receiver>

        <service
            android:name=".GcmListener"
            android:exported="false" >
            <intent-filter>
                <action android:name="com.google.android.c2dm.intent.RECEIVE" />
            </intent-filter>
        </service>

        <service
            android:name=".InstanceIDListenerService"
            android:exported="false">
            <intent-filter>
                <action android:name="com.google.android.gms.iid.InstanceID"/>
            </intent-filter>
        </service>

        <service
            android:name=".GcmRegistrationService"
            android:exported="false">
        </service>