Introduction - If you have any usage issues, please Google them yourself
Note: this project is based on the development of studio eclipse, Android may not be able to directly use.
This project is a simple Notepad program source code based on Android, add or delete data will appear when the display bug (actual data will not be affected), bug reflected in add or remove a data will be in inside the listview will show copy again after the operation data. And will not clear the original list of text. Novice friends can take this project to try to feel, by the way to solve this problem can not be solved independently.
The knowledge points involved in this project are:
1, the basic use of SQLite, CRUD
2, listview, the basic use of adapeter
3, activity life cycle
4, intent, bundle transfer parameters
5, the basic use of AlertDialog