content: /*
   * Copyright  2017 [AllenCoder]
   *
   * 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.
   */
  
  package com.allen.apputils;
  
  import android.content.Context;
  
  /**
   * <pre>
   *     author: Blankj
   *     blog  : http://blankj.com
   *     time  : 16/12/08
   *     desc  : Utils初始化相关
   * </pre>
   */
  public class Utils {
  
      private static Context context;
  
      private Utils() {
          throw new UnsupportedOperationException("u can't instantiate me...");
      }
  
      /**
       * 初始化工具类
       *
       * @param context 上下文
       */
      public static void init(Context context) {
          Utils.context = context.getApplicationContext();
      }
  
      /**
       * 获取ApplicationContext
       *
       * @return ApplicationContext
       */
      public static Context getContext() {
          if (context != null) return context;
          throw new NullPointerException("u should init first");
      }
  }
  