获取设备屏幕高度是个很重要的属性，把它记录下来
一，通过Display获取
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
Log.d(TAG, "width = " + width + ",height = " + height);
//width = 1440,height = 2768二，通过Point获取
Display defaultDisplay = getWindowManager().getDefaultDisplay();
Point point = new Point();
defaultDisplay.getSize(point);
int x = point.x;
int y = point.y;
Log.i(TAG, "x = " + x + ",y = " + y);
//x = 1440,y = 2768三，通过Rect获取
Rect outSize = new Rect();
getWindowManager().getDefaultDisplay().getRectSize(outSize);
int left = outSize.left;
int top = outSize.top;
int right = outSize.right;
int bottom = outSize.bottom;
Log.d(TAG, "left = " + left + ",top = " + top + ",right = " + right + ",bottom = " + bottom);
//left = 0,top = 0,right = 1440,bottom = 2768
四，通过屏幕DisplayMetrics
DisplayMetrics outMetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
int widthPixels = outMetrics.widthPixels;
int heightPixels = outMetrics.heightPixels;
Log.i(TAG, "widthPixels = " + widthPixels + ",heightPixels = " + heightPixels);
//widthPixels = 1440, heightPixels = 2768五，新的通过point获取RealSize
Point outSize = new Point();
getWindowManager().getDefaultDisplay().getRealSize(outSize);
int x = outSize.x;
int y = outSize.y;
Log.w(TAG, "x = " + x + ",y = " + y);
//x = 1440,y = 2960
六，新的通过屏幕DisplayMetrics
DisplayMetrics outMetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getRealMetrics(outMetrics);
int widthPixel = outMetrics.widthPixels;
int heightPixel = outMetrics.heightPixels;
Log.w(TAG, "widthPixel = " + widthPixel + ",heightPixel = " + heightPixel);
//widthPixel = 1440,heightPixel = 2960这几个方法主要区别在于，获取屏幕哪部分区域，现在设备类型很多，手机，平板，刘海屏，虚拟按键，手表，电视等都使用的android系统，大家在使用过程中需要注意不同方法对应的设备取值不同会有差异，手里设备有限无法一一测试，有小伙伴发现了可以在评论留言，我会及时更新，帮助其他人避开弯路！
