记账，分类查询账单，按周/月/年统计消费情况(Keep accounts, classify bills, and count weekly / monthly / annual consumption statistics)

此为一个安卓记账本小程序，提供日常记账功能。数据使用SQLite记录在本地数据库中(This is a Android bookkeeping program, providing a daily accounting function. The data is recorded in the local database using SQLite)