In Android\'s settings, in the \"Manage Applications\" activity when clicking on an app, the data is broken down into Application, Data, and cache. There is also a button to cl
I think you have to make use of android:allowClearUserData
and android:manageSpaceActivity
under your
tag to see that option in 'Manage Applications'. See http://developer.android.com/guide/topics/manifest/application-element.html for more information.
Alternatively, have an option for clearing cache in your activity.