android - How can I know if provided source code was used to build APK? -


tl;dr: i'm wondering if there's anyway me ensure source code (re)viewed on github open-source project actually used build apk i'm downloading google play?

let's want find app encrypting files on local android device. there several apps available when googling, many open-source. i'm going encrypt sensitive information, i'd ensure it's done correctly (and without bad intent), review source code app. looks okay, download app google play , start using it.

if developer of app wanted to, offline modify source code (in "private build step", say), , inject whatever want (send unencrypted file content somewhere, fake-encrypt files, whatever), build apk , upload apk google play instead.

is there anyway verify apk came source code?


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