Detailed explanation of wechat payment function implemented by Android
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Android
1. Integrated wechat payment SDK:
In build.gradle, add the following dependencies
2. Set wechat payment callback page:
Path: project package name. Wxapi Name: wxpayentryactivity
ErrCode: description 0: success... Display the success page- 1: Error... Possible causes: Signature error, unregistered appid, incorrect project setting appid, mismatch between registered appid and setting, other exceptions, etc- 2: User cancels... No processing required. Occurrence scenario: when the user does not pay, click Cancel to return to the app.
3. Set manifest
4. Set MD5
5. Initiate wechat payment
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