Possible Duplicate:
Removing AppWidgets programmatically
Question is like the Title:Could widget be destroyed programmatically?
If yes, how can i do that. Thanks you!
If by "destroyed", you mean remove it from the home screen -- then no, I've never heard of anybody doing this.
For reference: https://groups.google.com/forum/#!topic/android-developers/5kqWygpdk4g