Android studio签名打包时报错：
错误内容：
Cause: failed to decrypt safe contents entry: javax.crypto.BadPaddingException:
Given final block not properly padded. Such issues can arise if a bad key
is used during decryption.
错误原因：
在app build.gradle文件里面签名配置项中jks签名文件密码配置错误。
解决方法：
如果有正确密码，则改正。否则重新生成一个签名文件即可。
