Android SMS verification code listening method for solving onchange multiple calls

First say: MIUI, please give up treatment! Here is a portal:

MIUI notification SMS permission

Identifying SMS verification code and extracting it is still a common requirement. The problems to be solved mainly include:

1. How to monitor

2. How to extract verification code from SMS

3. Listening for multiple calls

Look directly at the following code, very clear. It should be noted that onchange will be called multiple times. In fact, you can see by typing log. Onchange will be called twice after receiving a short message. The log results are as follows:

For systems above Android 7.0, click mark as read, and it will also be called once

Every message received is a URI, followed by a certain number corresponding to the database_ ID, such as 20 above

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.