Android recompile problem, who can explain this?

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I am going to decompile apk and recompile.
My purpose is only for study and how android apk works, not for other bad purposes.

I tried to decompile apk and knew how apk was made.

I saw many solutions to recompile again on googling, but recompiled apk can't be installed on machine.

Error message is INSTALL_PARSE_FAILED_NO_CERTIFICATES.

I think this is caused by certification problems.

Who can explain this?

Posted 8-Dec-15 3:37am

icmtop

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Suvendu Shekhar Giri 8-Dec-15 9:51am

Have you changed anythnig in the AndroidManifest.xml file?

icmtop 8-Dec-15 10:21am

No, I didn't changed anything in decompiled source.
Only I recompiled again, and failed.

Stephen Hewison 8-Dec-15 10:47am

You can't install an APK over the top of an installed application with the same package name if the signing certificate is different. Did you uninstall the original APK which you decompiled?

icmtop 8-Dec-15 16:22pm

There is no installed application with the same package name on my phone.
Recompiled app is first install. But failed.

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ridoy · Answer 1 · 2015-12-08T23:36:00

Solution 1

Check these solutions:
Android : Solution "install parse failed no certificates" [^]
android: what is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?[^]

Posted 8-Dec-15 23:36pm

ridoy