Android获取窗体信息的Util方法

 1 package com.wangyi.tools; 2  3 import android.app.Activity; 4 import android.util.DisplayMetrics; 5  6 public class DisplayUtils { 7      8     private static DisplayUtils instance; 9     private Activity mActivity;10     private DisplayUtils(Activity mActivity){11         this.mActivity=mActivity;12     }13     public static DisplayUtils getInstance(Activity mActivity){14         if(instance==null){15             instance=new DisplayUtils(mActivity);16         }17         return instance;18     }19     public final  int[] getScreenSize(){20         int[] size=new int[2];21         DisplayMetrics dm = new DisplayMetrics();22         mActivity.getWindowManager().getDefaultDisplay().getMetrics(dm);23         size[0]=dm.widthPixels;24         size[1]=dm.heightPixels;25         return size;26     }27     public final static int getWindowWidth(Activity mActivity) {28         DisplayMetrics dm = new DisplayMetrics();29         mActivity.getWindowManager().getDefaultDisplay().getMetrics(dm);30         return dm.widthPixels;31     }32 33     public final static int getWindowHeight(Activity mActivity) {34         DisplayMetrics dm = new DisplayMetrics();35         mActivity.getWindowManager().getDefaultDisplay().getMetrics(dm);36         return dm.heightPixels;37     }38 }
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