MaxHeightListViews

MaxHeightListViews.java

public class MaxHeightListViews extends ListView {
    int maxHeight;

    public MaxHeightListViews(Context context) {
        super(context);
        setViewHeight();
    }

    public MaxHeightListViews(Context context, AttributeSet attrs) {
        super(context, attrs);
        setViewHeight();
    }

    public MaxHeightListViews(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        setViewHeight();
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        if (maxHeight > 0) {
            int hSize = MeasureSpec.getSize(heightMeasureSpec);
            int hMode = MeasureSpec.getMode(heightMeasureSpec);

            switch (hMode) {
                case MeasureSpec.AT_MOST:
                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(Math.min(hSize, maxHeight), MeasureSpec.AT_MOST);
                    break;
                case MeasureSpec.UNSPECIFIED:
                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.AT_MOST);
                    break;
                case MeasureSpec.EXACTLY:
                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(Math.min(hSize, maxHeight), MeasureSpec.EXACTLY);
                    break;
            }
        }
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }

    private void setViewHeight() {
        maxHeight = (int) getContext().getResources().getDimension(R.dimen.order_dialog_fragment_height);
    }
}