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Hi, Emm i put XYZ application to upgrade version 3.1.2 its upgraded but the problem is already XYZ application override the new application it show error (Package appears to corrupt ). when i uninstall the old application new One is work what will do ???
I take build gradle assembledebug to run in the command prompt to get the build in the output
there two APK is there i take debug APK to put in Emm
This usually happens when keystore differs from old version to new version. Probably, new version and old version are built on two different machines and you are using debug version of apk.
Every apk that you want to install on your device needs to be signed. keystore are default signing keys. Those can be found at "<Drive>:\Users\<User>\.android" location with name "debug.keystore"
Build the new apk on the same machine where first version build was generated or use same keystore as previous machine. Copy "debug.keystore" from the old machine to new machine at the same location and build the app.