Create a database in Android

1, in the Android project to establish a class, and inherit and Sqliteopenhelper.

2, then go to mainactivity to new a myopenhelper to find it

3, the first time you create a database will call OnCreate method, and use Execsql to create a table of the corresponding info

4, Onupgrade is the update of the table in order to take this step. If you do not update it is not going to take this step.

5, in the layout of the establishment of a button, this course is added in the mainactivity, and then use the Execsql to add and remove changes, changed the

Remember close after.

Create a database in Android