Android uses SharedPreferences to complete the function of remembering account and password

design sketch:

After remembering the password, the account password will appear when you log in again, otherwise there is no password.

analysis:

SharedPreferences stores data in a local configuration file

SharedPreferences records Check@R_ 93_ 2419 @ status, if Check@R_ 93_ 2419 @ if selected, the account and password information recorded in the configuration file will be fed back to the account and password control, otherwise it will be cleared.

How to use SharedPreferences:

1. Create a configuration file named config and private

2. Add editor

3. Write data to memory

4. Submit to local

code:

fry.Activity01

/Remember the account and password / RES / layout / activity01.xml

summary

The above is what Xiaobian introduced to you. In Android, SharedPreferences is used to complete the function of remembering account and password. I hope it will be helpful to you. If you have any questions, please leave me a message and Xiaobian will reply to you in time. Thank you very much for your support for the programming tips website!