Also allow sliders to have their own text label instead of
requiring a whole separate text object for the label in the xml.
Change-Id: I6e314efb4bb454d496555ff7e003d743063a1308
- add string, int, color and resource loading helpers
- use typed resource classes, and some cleanup in loading code
- remove abstract GetResource() to enforce type safe access
- add height and width query methods to resources and use them
- minor cleanup
- simplify LoadPlacement
Change-Id: I9b81785109a80b3806ad6b50cba4d893b87b0db1