Method dpToPx

OpenSource/Animation_basic_logic/HeightDrop.java:22–24

(int dp)

    }

    private int dpToPx(int dp) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
    }

    public void animateViewHeight(View view, int startHeightDp, int endHeightDp, long duration) {
        if (view.getAnimation() != null && view.getAnimation().hasStarted()) {