获取当前设备宽高，单位px

@SuppressWarnings ( "deprecation" )
public static int getDeviceWidth(Context context) { 
   WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
   return manager.getDefaultDisplay().getWidth();
}

@SuppressWarnings ( "deprecation" )
public static int getDeviceHeight(Context context) { 
   WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); 
   return manager.getDefaultDisplay().getHeight();

}