Android 开发杂记(不断更新中)

    xiaoxiao2026-03-13  8

    Android获取屏幕宽度的4种方法

    方法一:

    WindowManager wm = (WindowManager) this .getSystemService(Context.WINDOW_SERVICE); int width = wm.getDefaultDisplay().getWidth(); int height = wm.getDefaultDisplay().getHeight();

    方法二:

    WindowManager wm1 = this.getWindowManager(); int width1 = wm1.getDefaultDisplay().getWidth(); int height1 = wm1.getDefaultDisplay().getHeight();

    方法一与方法二获取屏幕宽度的方法类似,只是获取WindowManager 对象时的途径不同。

    方法三:

    WindowManager manager = this.getWindowManager(); DisplayMetrics outMetrics = new DisplayMetrics(); manager.getDefaultDisplay().getMetrics(outMetrics); int width2 = outMetrics.widthPixels; int height2 = outMetrics.heightPixels;

    方法四:

    Resources resources = this.getResources(); DisplayMetrics dm = resources.getDisplayMetrics(); float density1 = dm.density; int width3 = dm.widthPixels; int height3 = dm.heightPixels; 方法三与方法四类似。
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