Java tutorial
//package com.java2s; /* * Copyright (c) 2013-2015 Jeff Sutton. * * 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.content.Context; import android.content.Intent; import android.os.Bundle; public class Main { public static void openActivity(Context context, Class<?> activity) { openActivity(context, activity, null); } public static void openActivity(Context context, Class<?> activity, Bundle b) { Intent intent = new Intent(context, activity); if (b != null) intent.putExtras(b); context.startActivity(intent); } public static void openActivity(Context context, Class<?> activity, Bundle b, int flags) { Intent intent = new Intent(context, activity); intent.addFlags(flags); if (b != null) intent.putExtras(b); context.startActivity(intent); } }