One of Astah developers, Akira created a template file (.asta) for Android developers which provides class libraries.
Android API Level: 15 (4.0.3):
Model version of this file is 34. (Available to open in Astah version 6.4 or later)
How to add this file to Template list
1. Download the template file(.asta) file from the URL above and save it in the Astah installation folder/template/project
2. The template file “android-15.asta” will be added in the template list and can be opened from [File] – [New By Template] menu