Java tutorial
//package com.java2s; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; public class Main { public static void ShowNetworkSettings(final Context ctx) { new AlertDialog.Builder(ctx).setTitle("Nessuna connessione ad internet") .setMessage("Vuoi aprire le impostazioni di rete?") .setPositiveButton("SI", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // continue ctx.getApplicationContext() .startActivity(new Intent(android.provider.Settings.ACTION_DATA_ROAMING_SETTINGS)); } }).setNegativeButton("NO", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // do nothing } }).show(); } }