Java tutorial
//package com.java2s; import android.content.ContentResolver; import android.content.Context; import android.provider.Settings; import android.provider.Settings.SettingNotFoundException; public class Main { /** * Is Roaming enabled. * * @return */ @SuppressWarnings("deprecation") private static boolean isRoamingEnabled(Context ctx) { ContentResolver cr = ctx.getContentResolver(); int result = 0; // 0 is false boolean check = false; try { result = Settings.Secure.getInt(cr, Settings.Secure.DATA_ROAMING); } catch (SettingNotFoundException e) { e.printStackTrace(); } if (result == 1) { check = true; } return check; } }