Java tutorial
/** * Copyright (C) Azureus Software, Inc, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ package com.vuze.android.remote; import android.app.Activity; import android.content.Context; import android.os.Build; import android.support.v4.app.Fragment; import android.util.Log; import java.util.Map; public class VuzeEasyTracker { private static IVuzeEasyTracker vuzeEasyTracker; public static IVuzeEasyTracker getInstance(Context ctx) { synchronized (VuzeEasyTracker.class) { if (vuzeEasyTracker == null) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { vuzeEasyTracker = new VuzeEasyTrackerNew(ctx); } else { if (AndroidUtils.DEBUG) { Log.d("VET", "Using old GA API"); } //vuzeEasyTracker = new VuzeEasyTrackerOld(ctx); vuzeEasyTracker = new IVuzeEasyTracker() { @Override public void activityStart(Activity activity) { } @Override public void screenStart(String name) { } @Override public void fragmentStart(Fragment fragment, String name) { } @Override public void activityStop(Activity activity) { } @Override public void fragmentStop(Fragment fragment) { } @Override public String get(String key) { return null; } @Override public void send(Map<String, String> params) { } @Override public void set(String key, String value) { } @Override public void logError(String s, String page) { } @Override public void logError(Throwable e) { } @Override public void logErrorNoLines(Throwable e) { } @Override public void sendEvent(String category, String action, String label, Long value) { } @Override public void registerExceptionReporter(Context applicationContext) { } @Override public void setClientID(String rt) { } @Override public void setPage(String rt) { } @Override public void stop() { } }; } } } return vuzeEasyTracker; } public static IVuzeEasyTracker getInstance() { synchronized (VuzeEasyTracker.class) { if (vuzeEasyTracker == null) { return getInstance(VuzeRemoteApp.getContext()); } } return vuzeEasyTracker; } public static IVuzeEasyTracker getInstance(Fragment fragment) { synchronized (VuzeEasyTracker.class) { if (vuzeEasyTracker == null) { return getInstance(fragment.getActivity()); } } return vuzeEasyTracker; } }