Installation failed to finalize session... Signatures are inconsistent - Android

Android

Android Problem Overview

I am trying to run my project but I get this error:

> Installation failed with message Failed to finalize session : > INSTALL_FAILED_INVALID_APK: /data/app/vmdl1841863905.tmp/11_app-debug > signatures are inconsistent. It is possible that this issue is > resolved by uninstalling an existing version of the apk if it is > present, and then re-installing. > > WARNING: Uninstalling will remove the application data! > > Do you want to uninstall the existing application?

If I press yes, after some seconds it just shows the same error. I tried to manually delete the application but the application is already deleted from my phone.

Android Solutions

Solution 1 - Android

This error usually happens to me in Android Studio when I try to open a project that was moved from another path or location, also other circumstances might cause this, what works for me is:

  • menu "Build"
  • run "Rebuild Project".

Then run app on device or emulator, and error goes away. I know the error has nothing to do with this but that's what fixes it for me, try and let me know.

Solution 2 - Android

Am also faced same problem. It can be solved.Delete the below mentioned directories and restart AndroidStudio.Run the application.

enter image description here

Solution 3 - Android

Disable the Instant run in Android Studio and then Clean,Rebuild and Run ,It should fix this issue.

Solution 4 - Android

Solution: Disable Instant Run

Android Studio > Preferences > Build, Execution, Deployment > Uncheck Enable Instant Run to hot swap code/resource changes on deploy

My issues was specifically related to a package inconsistency:

Installation failed with message Failed to finalize session: INSTALL_FAILED_INVALID_APK: /data/app/vmdel334040403.tmp/11_package_name_--dev package com.package.name inconsistent with com.package.othername It is possible that this issue is resolved by uninstalling...

Nope, not true. There was nothing to uninstall. Nothing worked. Cleaning, Invalidate Cache/Restart, deleting folders, .gradlew, restarting the device, unplugging things, etc...

Also as a tip to everyone, when you're making your package name for a project, save yourself the troubles I've had and DO NOT CHANGE IT. It's a unique identifier for your app in the play store. It's used in a lot of cloud messaging identification and deeplinking for package names.

Android Studio 3.1 Build #AI-173.4670197, built on March 21, 2018 JRE: 1.8.0_152-release-1024-b01 x86_64 JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o Mac OS X 10.12.6

Solution 5 - Android

In Android Studio from build menu:

1. Clean Project
2. Rebuild Project

This solved the same issue for me...

Solution 6 - Android

Disable Instant run in Android Studio. Then Clean, Rebuild and Run. It should fix this issue.

> To disable Instant run, do: > > In Android Studio: Preferences → Build, Execution, Deployment → Uncheck Enable Instant Run to hot swap code/resource changes on deploy.

Solution 7 - Android

I use flavor because I need publish 2 version(Person, Enterprise).

I got the same problem. My solve is write versionCode android versionName in build.gradle.(before it's in the AndroidManifest.xml).

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Solution 8 - Android

I was do this and solved it:

I uninstall MyAPP.apk,and I can't install right now. so,I install a MyAPP.apk by hand.

Now,I try to retry with Android Studio,and its worked for me.

if you face this bug,try this method ,maybe work for you too.

Solution 9 - Android

Disable the Instant run in Android Studio. 1-Go to Settings. 2-Select Build,Execution,Deployment-->Instant Run-->uncheck Enable Instant Run to hot swap code/resource changes on deploy.

And then Clean,Rebuild and Run ,It should fix this issue

Solution 10 - Android

I got this error after copying an existing app. This helped:

  1. Go to project folder, navigate to build.gradle Under (module:app).
  2. click the build.gradle, check under defaultConfig, change the applicationId if it still refers to the original project you copied.
  3. Then go to, Tools > Android > Sync Project

That worked for me. If it doesn't proceed to the AndroidManifest xml and change the label to the string resource for the new app name.

Solution 11 - Android

I was able to solve this by doing:

  1. unplug device
  2. adb kill-server
  3. adb start-server
  4. plug device
  5. Run the app from a virtual device

Solution 12 - Android

I got this error after adding a signing config.

Solved it by deleting the build folder::

  1. Project view -> app -> build (delete this folder or all the folders under it)
  2. Clean project
  3. Rebuild project

Solution 13 - Android

in my case after Rebuild Project worked :D

Solution 14 - Android

In my case I had added extra blank line after versionCode line. I kept getting version inconsistent issue. It finally went off after removing extra blank line and syncing again.

Solution 15 - Android

I got the same error as you after updating my Windows 10. What I did to make it work, was to clean and rebuild the project.

Solution 16 - Android

For me I had to restart my phone to get it to work (the app was uninstalled when I restarted my phone).

Solution 17 - Android

In AndroidManifest.xml you should add android:installLocation="preferExternal" above <application ... />.

enter image description here

Solution 18 - Android

I solved it by deleting all old applications from the target device. Give it a try once you are using the single device to deploy all your applications.

I could not find Uncheck Enable Instant Run option in my android studio 3.6.

Solution 19 - Android

  1. Build-> Rebuild Project.
  2. Clean.
  3. Run Specifically, It worked for me. Hopefully, the problem will solve.
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