content: /**
   * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com)
   * <p/>
   * 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
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * 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.rsen.github.androidutils;
  
  import android.annotation.TargetApi;
  import android.app.Activity;
  import android.content.Context;
  import android.content.res.Configuration;
  import android.os.Build;
  import android.view.Surface;
  
  /**
   * 窗口工具箱
   *
   * @author zhenguo
   */
  public final class WindowUtils {
  
      /**
       * Don't let anyone instantiate this class.
       */
      private WindowUtils() {
          throw new Error("Do not need instantiate!");
      }
  
      /**
       * 获取当前窗口的旋转角度
       *
       * @param activity
       * @return
       */
      @TargetApi(Build.VERSION_CODES.FROYO)
      public static int getDisplayRotation(Activity activity) {
          switch (activity.getWindowManager().getDefaultDisplay().getRotation()) {
              case Surface.ROTATION_0:
                  return 0;
              case Surface.ROTATION_90:
                  return 90;
              case Surface.ROTATION_180:
                  return 180;
              case Surface.ROTATION_270:
                  return 270;
              default:
                  return 0;
          }
      }
  
      /**
       * 当前是否是横屏
       *
       * @param context
       * @return
       */
      public static boolean isLandscape(Context context) {
          return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
      }
  
      /**
       * 当前是否是竖屏
       *
       * @param context
       * @return
       */
      public static boolean isPortrait(Context context) {
          return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
      }
  
  }
  