Android uses sharepreference to determine whether it is the implementation code for the first login

Many apps will have a boot welcome interface when they are installed and logged in for the first time, and the boot page will not be displayed when they are opened for the second time.

This function can save the user's login information by using sharepreferences. When the app starts, judge the login information and decide to open the page.

The following is the sharepreference class created:

Before opening the app, you can obtain the login status and select the display interface:

The above is what Xiaobian introduced to you. Android uses sharepreference to judge whether it is the implementation code for the first login. 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!