Disable/Enable mobile data on Android L with root access

Question

I am writing a little app that only I will use and I want to pragmatically enable / disable my mobile data on a rooted android 4.5 device (I am running a custom Android L fo

Answer 1

I've created this method looking around on internet; it works fine on rooted android 5.0.1 Basically you have to pass true if you want the connection to be enabled, false otherwise, and the context of your application.

private final static String COMMAND_L_ON = "svc data enable\n ";
private final static String COMMAND_L_OFF = "svc data disable\n ";
private final static String COMMAND_SU = "su";

public static void setConnection(boolean enable,Context context){

    String command;
    if(enable)
        command = COMMAND_L_ON;
    else
        command = COMMAND_L_OFF;        

    try{
        Process su = Runtime.getRuntime().exec(COMMAND_SU);
        DataOutputStream outputStream = new DataOutputStream(su.getOutputStream());

        outputStream.writeBytes(command);
        outputStream.flush();

        outputStream.writeBytes("exit\n");
        outputStream.flush();
        try {
            su.waitFor();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        outputStream.close();
    }catch(IOException e){
        e.printStackTrace();
    }
}

Please report if this has problems on some device.

EDIT: Now also compatible with android 5.1 Credit