1. Generate a certificate for the purpose of releasing the app

Android certificate online tools recommended online www.applicationloader.net/appuploader…

Click Generate, select the location to save the file and save it

2. If you don’t want to do this, you need to install Java, JDK to create the command line, trouble

Please refer to www.cnblogs.com/Dark-fire-l…

3. View the generated certificate information

Run the following command

Keytool -list -v -keystore certificate path -storepass Password

4. Signature: SHA1 fingerprint of the certificate

Cases of SHA1:48: DB: 3 e: 63:2 c: 3 d: B7: E3: DC: 78-95: AB: FA: 35:55:0 a: C7: if a 0-6 in 8

The corresponding signature is 48 db3e632c3db7e3dc7895abfa35550ac7299068