Android获取屏幕宽和高

WindowManager wm = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(dm);
int width = dm.widthPixels;         // 屏幕宽度(像素)
int height = dm.heightPixels;       // 屏幕高度(像素)
float density = dm.density;         // 屏幕密度(0.75 / 1.0 / 1.5)
int densityDpi = dm.densityDpi;     // 屏幕密度dpi(120 / 160 / 240)
// 屏幕宽度算法:屏幕宽度(像素)/屏幕密度
int screenWidth = (int) (width / density);  // 屏幕宽度(dp)
int screenHeight = (int) (height / density);// 屏幕高度(dp)
Log.e("width=======>",screenWidth+"");
Log.e("height=======>",screenHeight+"");

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