Unable to build Android APK in UNITY 5?

Questions & Answers
1

Greetings Gamers! Im having trouble building my ANDROID APK! Not to sure what are the reasons or reasons. After switching platforms to ANDROID and messing with some PLAYER SETTINGS. I still get this message in the CONSOLE as an error and it does not finalize and build my APK!?!

3 Console Message:

  1. Installation failed with the following output:
    pkg: /data/local/tmp/Package.apk

Failure [INSTALL_FAILED_MEDIA_UNAVAILABLE]

2)UnityException: Unable to install APK!
Installation failed. See the Console for details.
UnityEditor.Android.PostProcessAndroidPlayer.ShowErrDlgAndThrow (System.String title, System.String message, System.Exception ex)
UnityEditor.Android.PostProcessAndroidPlayer.ShowErrDlgAndThrow (System.String title, System.String message)
UnityEditor.Android.PostProcessAndroidPlayer.UploadAndStartPlayer (System.String manifestName, System.String stagingArea, UnityEditor.Android.AndroidDevice device, System.String packageName, Boolean developmentPlayer, Boolean retryUpload)
UnityEditor.Android.PostProcessAndroidPlayer.PostProcessInternal (System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry)
UnityEditor.Android.PostProcessAndroidPlayer.PostProcess (BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry)
UnityEditor.Android.AndroidBuildPostprocessor.PostProcess (BuildPostProcessArgs args)
UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, System.String downloadWebplayerUrl, System.String manualDownloadWebplayerUrl, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:316)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()

  1. Error building Player: UnityException: Unable to install APK!
    Installation failed. See the Console for details.

I’m running WINDOWS 10…

With UNITY 5…

I have my Samsung Galaxy light running ANDROID 4.4.2 and have developer options enabled with STAY AWAKE ON, USB DEBUGGING ON, & ALLOW MOCK LOCATIONS.

On MY COMPUTER, DEVICE MANAGER - I have my ANDROID ADB INTERFACE ENABLED.

On Right click MY COMPUTER, PROPERTIES, ADVANCED SYSTEM SETTINGS, ENVIRONMENT VARIABLES, in the SYSTEM VARIABLES…I have created and set JAVA_HOME to my JDK 1.7.0_80 folder.

I have REMOTE 4 APP installed on my phone and in test/Play mode it works and tests just fine.

Running out of options and not to sure what it could be. Any help is good! Thank you!
I

3

SOLVED!!! There are different tricks that works for this type of error, for example

  • Delete some apps to give your storage some space or
  • Uninstall the existing app from your device.

But the way that worked for me is to go into File > Build Settings > Player Settings. Expand tab of Other Settings and change Install Location to Automatic.

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Unity 5.4

2

Have you enable the allow from unknown sources on your phone under lock screen and security?

4

Install Location set to automatic and uninstall all your existing games.