android 獲取屏幕的長和寬

 

     DisplayMetrics dm = new DisplayMetrics();       PicCenterItem.this.getWindowManager().getDefaultDisplay().getMetrics(dm);       int mWidth = dm.widthPixels;       int mHeight = dm.heightPixels;             if (mHeight > mWidth){        //豎屏       }else{        //橫屏       } 說明： PicCenterItem：當前類