First of all, if you want to generate the signature file of Android App, you must first prepare the Android development environment, because the generation of signature file needs to enter the bin directory in jdk. If you are not ready to develop the environment, please go to Baidu yourself.

Next, let's start generating our own signature file.

The first step is to open cmd and enter the bin directory of jdk. In this case, the android.keystore file will be generated in this directory. ?

Step 2, enter the command keytool in the bin directory and press enter;

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