Example code of button using verification code countdown in react native

During the development process, there is a scenario of obtaining mobile phone verification code. At this time, there are such requirements:

1. Click the "get verification code" button to initiate a network request for obtaining verification code, and the button is set to unavailable

2. If the network request is successful, the button will continue to be unavailable, but the text on the button will be changed to countdown (* s) and re obtained)

3. If the network request fails, the button is set to available

4. The countdown is over and the button is available

Direct code

Source code

use

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