Enable/Disable Data Connection in Android Programmatically

How to enable mobile data on/off programmatically

You cannot access mobile data on / off programmaticaly above android 4.4 .It have been made stopped for security reasons ,instead you can ask the user using a dialog to enable the mobile data and then if he enable you can do your task.

Enable/disable data connection in android programmatically

This code sample should work for android phones running gingerbread and higher:

private void setMobileDataEnabled(Context context, boolean enabled) throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
    final ConnectivityManager conman = (ConnectivityManager)  context.getSystemService(Context.CONNECTIVITY_SERVICE);
    final Class conmanClass = Class.forName(conman.getClass().getName());
    final Field connectivityManagerField = conmanClass.getDeclaredField("mService");
    connectivityManagerField.setAccessible(true);
    final Object connectivityManager = connectivityManagerField.get(conman);
    final Class connectivityManagerClass =  Class.forName(connectivityManager.getClass().getName());
    final Method setMobileDataEnabledMethod = connectivityManagerClass.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);
    setMobileDataEnabledMethod.setAccessible(true);

    setMobileDataEnabledMethod.invoke(connectivityManager, enabled);
}

Dont forget to add this line to your manifest file

<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>

Disable/Enabling mobile data programmatically in Android

I am trying to enable/disable mobile data.

First, is it possible to implement this?

No, that's not possible to achieve by third-party apps. Enabling/disabling mobile data should be done through system Settings app UI.

What you can do is to provide an instruction to end user on how to enable/disable mobile data and direct them to Settings app.

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