一个检测apk是否支持v1、v2签名的工具，SignApkV2签名检测工具直接调用：ApkSignerTool.verify(StringapkPath)命令行：java-jarCheckAndroidSignature.jarxxxx.apk结果：{"ret":0,"msg":"","isV1OK":true,"isV2":true,"isV2OK":true,"keystoreMd5":"8f701cdd1c0d8856e440363185c7daf7"}