@@ -0,0 +1,1029 @@
+/**%0A * Copyright 2014 Zhenguo Jin%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *   http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage com.worthed.utils;%0A%0A/**%0A * Singleton helper class for lazily initialization.%0A * %0A * @author jingle1267@163.com%0A * @date 2014-9-11%0A */%0Apublic abstract class Singleton%3CT%3E %7B%0A    private T mInstance;%0A%0A    protected abstract T create();%0A%0A    public final T get() %7B%0A        synchronized (this) %7B%0A            if (mInstance == null) %7B%0A                mInstance = create();%0A            %7D%0A            return mInstance;%0A        %7D%0A    %7D%0A%7D%0A

Add Singleton helper class.