Java tutorial
package com.webnetmobile.tools; import android.app.Activity; import android.app.Application; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.support.v4.app.FragmentActivity; /* ****************************************************************************** * * Copyright 2013 Webnet Marcin Orowski * * Licensed under the GPL License, Version 3.0 (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.gnu.org/licenses/gpl-3.0.html * * 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. * ****************************************************************************** * * @author Marcin Orlowski <marcin.orlowski@webnet.pl> * ****************************************************************************** */ final public class Redirector { // launchers public static void showActivity(Context context, Class activityClass) { Intent intent = new Intent(); showActivity(context, activityClass, intent); } public static void showActivity(Context context, Class activityClass, Intent intent) { String className = activityClass.getName(); ComponentName comp = new ComponentName(context.getPackageName(), className); intent.setComponent(comp); showActivity(context, intent); } public static void showActivity(Context context, Intent intent) { try { if (context instanceof Application) { intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); } else { if ((context instanceof FragmentActivity) || (context instanceof Activity)) { // perfect :) } else { WebnetLog.e("Hm, perhaps using wrong context! Needs Activity based, got: " + context); } } context.startActivity(intent); } catch (Exception e) { e.printStackTrace(); } } // end of class }