After obtaining the SMS verification code, the button background changes and the countdown appears

At present, more and more apps require to obtain the SMS verification code when registering or performing corresponding operations. After clicking the button to obtain the SMS verification code, a countdown occurs, such as the countdown of 120s. During the countdown, the button background changes and a countdown occurs. After the countdown, if you do not obtain the verification code, you can click again.

The code is as follows:

When using:

login_ edit_ normal_ bg.xml：

login_ edit_ passed_ bg.xml:

The above is a brief introduction to all the codes developed by Android that change the button background and countdown after obtaining the SMS verification code. I hope this code can help you. At the same time, thank you for your support for the programming tips website.