AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.stringmanolo.rs" android:versionCode="1" android:versionName="1.0">
    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="25" />
    <uses-permission android:name="android.permission.INTERNET"/>

    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
    <receiver android:enabled="true" android:exported="true" android:name="com.stringmanolo.rs.StartBoot" android:permission="android.permission.RECEIVE_BOOT_COMPLETED">

        <intent-filter>
            <action android:name="android.intent.action.BOOT_COMPLETED" />
            <action android:name="android.intent.action.QUICKBOOT_POWERON" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </receiver>

    <application android:allowBackup="true" android:icon="@drawable/ant" android:label="@string/app_name" android:theme="@style/AppTheme">
        <service android:name="com.stringmanolo.rs.Servicio"/>
        <activity android:name="com.stringmanolo.rs.Conexion"/>
        <activity android:name="com.stringmanolo.rs.MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>