Introduction - If you have any usage issues, please Google them yourself
Android account of the source through the Sqlite to achieve a record of consumer spending and can be summarized into a monthly statement or by day display, you can also back up the bill data. But I don t know why backup failed on my phone. Other statements have not been done, the technical point is not much, the code is relatively simple, also with a project on the project design and development of the report documents.