[안드로이드] 실제 화면 크기 구하기

Display display1 = getWindowManager().getDefaultDisplay();
    int realWidth;
    int realHeight;
 
    if (Build.VERSION.SDK_INT >= 17){
        //new pleasant way to get real metrics
        DisplayMetrics realMetrics = new DisplayMetrics();
        display1.getRealMetrics(realMetrics);
        realWidth = realMetrics.widthPixels;
        realHeight = realMetrics.heightPixels;
        Log.i("sinwho","SDK >=17 RealWdith = " + realWidth + " RealHeight = " + realHeight);
 
    } else if (Build.VERSION.SDK_INT >= 14) {
        //reflection for this weird in-between time
        try {
            Method mGetRawH = Display.class.getMethod("getRawHeight");
            Method mGetRawW = Display.class.getMethod("getRawWidth");
            realWidth = (Integer) mGetRawW.invoke(display1);
            realHeight = (Integer) mGetRawH.invoke(display1);
            Log.i("sinwho","SDK >=14 RealWdith = " + realWidth + " RealHeight = " + realHeight);
        } catch (Exception e) {
            //this may not be 100% accurate, but it's all we've got
            realWidth = display1.getWidth();
            realHeight = display1.getHeight();
            Log.i("Display Info", "Couldn't use reflection to get the real display metrics.");
        }
 
    } else {
        //This should be close, as lower API devices should not have window navigation bars
        realWidth = display1.getWidth();
        realHeight = display1.getHeight();
        Log.i("sinwho","RealWdith = " + realWidth + " RealHeight = " + realHeight);
    }
}