Step of Release compile Android apk using Visual Studio 2019
I had done my first ever app by using Visual Studio 2019 - cross platform Xamarin C#. The app is running well. Now, I want to compile it to apk file so that I can install it to the mobile phone manually. I did change the debug to release, and then right click from the android file and choose Archive. But, there is an error as below:
The preprocessor token 'rootnamespace' has been given more than one value. Choosing 'Calculator.Droid' as the value. The preprocessor token 'assemblyname' has been given more than one value. Choosing 'Calculator.Android' as the value. The preprocessor token 'fullpath' has been given more than one value. Choosing 'D:\Calculator\Calculator\Calculator.Android' as the value. The preprocessor token 'outputfilename' has been given more than one value. Choosing 'Calculator.Android.dll' as the value. The preprocessor token 'filename' has been given more than one value. Choosing 'Calculator.Android.csproj' as the value. MSB4094: "obj\Release\81\Calculator.Android.dll;obj\Release\81\Calculator.Android.dll" is an invalid value for the "OutputAssembly" parameter of the "Csc" task. Multiple items cannot be passed into a parameter of type "Microsoft.Build.Framework.ITaskItem".
For me it was caused by wrong "Android Package Signing" data in Project Properties. After fixing it went away
Preparing an Application for Release, Use the following steps to build the app for release: This step optimizes the APK, protects its assets, and modularizes the packaging as needed. In Visual Studio, these values can be set in the Android Manifest section of� In this video, I'll show you the steps to build your first Android application in Visual Studio 2019 with C#, .NET, and Xamarin. We will see how to build a basic app and then compile and deploy using
I encountered this same error and simply setting the Application icon in the project properties solved it.
It doesn't make much sense given the error, but it did the trick for me. Hopefully this helps someone.
Signing the Android Application Package, How to sign the Android Application Package (APK) for publication. In Preparing an App for Release the Archive Manager was used to build the app and place it in After Ad-Hoc is selected, Visual Studio opens the Signing Identity For example, using chimp as the alias, the above steps would create a � Build a mobile app with Visual Studio App Center 2019-08-19T12:52:54-07:00 Build your Android app in the cloud with Visual Studio App Center Follow these steps to set up your continuous integration, delivery and feedback pipeline in minutes.
Tried VV Voon solution first and indeed it helped to make apk file, but making linking to non increased file size 23mb to 67mb. But later changed to SDK assembly only and changed Dex compiler to DX which was previously blank. Now I got apk size back to 23mb.
How to Build Your Android App (.apk) for Testing in Visual Studio , How to Build Your Android App (.apk) for Testing in Visual Studio Be sure that selected drop down is 'Release', not 'Debug'. Android so the last step is copy the YOUR_APP_NAME-Signed.apk file to device and install it. Android Manifest. First, in Visual Studio, right-click your Xamarin.Android project in the Solution Explorer and select Properties. Then, go to the Android Manifest tab, to see this screen: Unlike in Android Studio or Eclipse, you don't need the set the AndroidManifest.xml file by writing; Xamarin and Visual Studio do that for you.
Xamarin.Android, Configuration: Active (Release). Platform: Active (Any CPU). These are necessary to build your APK for the Google Play Store. If the Configuration is set to Debug,� Build Android apps with Azure App Service Mobile Apps. Work with data in the cloud or on-premises. Sync data for offline use, authenticate users, and send personalized push notifications from a secure and scalable mobile app backend. Create a new app or connect an existing project—all in Visual Studio.
Build Your First Android App with Visual Studio 2019 and Xamarin , In this video, I'll show you the steps to build your first Android application in Visual Studio Duration: 4:19 Posted: Apr 27, 2019 After an application has been coded, you have to test it. And to test the app you should create APK (.apk) file firstly. Below is how I do that (for Android application powered by Xamarin): 1. Right-click at your Android project: open ‘Properties’ tab. Be sure that selected drop down is ‘Release’, not ‘Debug’.
Shrink the APK – The size of the final APK can be substantially reduced by using the Xamarin.Android linker on the managed code and ProGuard on the Java bytecode. Protect the Application – Prevent users or attackers from debugging, tampering, or reverse engineering the application by disabling debugging, obfuscating the managed code, adding
- Do you have multiple entries in your
.csprojfor rootnamespace, assemblyname, etc...?
- How to I know there is multiple entries? I did not touch anything after successfully run my program. After that, I just change to release and click Archive.
- If you change to release mode, the defaul linker setting is
SDK Assemblies Onlyin android, you could refer to this link.docs.microsoft.com/en-us/xamarin/android/deploy-test/…
- Hi, I solved the problem and it is works, i got the apk. :D. Anyway, I change the linking to None, it is works.
- @LeonLu Hi, it doesn't work. I change the linking to None, it's works.
- Removing Application icon from Android Manifest also helped as suggested forums.xamarin.com/discussion/162113/…