Java tutorial
//package com.java2s; /* * Copyright 2015 Tapcentive, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.provider.Settings; public class Main { /** * Show dialog and give 2 options: go to settings or leave the app * * @param activity the activity */ private static void showDialog(final Activity activity) { AlertDialog.Builder builder = new AlertDialog.Builder(activity); builder.setTitle("Bluetooth is turned off"); builder.setMessage("The Tapcentive Application requires Bluetooth to be turned ON"); builder.setPositiveButton("Settings", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent setnfc = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS); activity.startActivity(setnfc); } }); builder.setNegativeButton("Close", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); activity.finish(); } }); builder.show(); } }