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When using a low-level screen such as a Canvas, the normal UI controls for entering text are not available. As a result, programmers often have to write their own code to mimic the normal text entry components. For this reason, this article provides a useful shell for doing just that. The code example provided implements basic multi-tap text entry (where multiple characters are assigned to each key). The code handles basic functionality, such as clearing letters, caret positioning and handling the delays between button presses (distinguishing between letter switching and moving onto the next letter).

Because this is the type of code programmers often have to write when text entry on a Canvas is required, this article is especially useful. While the code example is far from complete, it provides a useful starting point for programmers wanting to implement similar functionality.

--Larry101 13:59, 18 September 2009 (UTC)