Ошибка при развертывании xamarin

I just installed VS 2015, the installation was finish (after some fail time caused by the slow network, I run setup again).

I create a project as Android > Android blank project
When I press F5, the build is seem to by success but the deploy is fail, there isn’t error message. Tried set Tool->Option->Build->Diagnostic, no result. VS 2015 is pretty new, is anyone met this? How can I fix this?

I bumped into the same, but I started VS2015 as Administrator and solved the problem.

And yet another recipe of fixing this:

• clean projects
• remove all bin, obj folders
• mark your android-project
  as startup

then try to deploy again

As for me, in some cases, if visual studio stucked on project building, it requires pc reboot.

answered Oct 21, 2016 at 10:21

answered Jul 10, 2016 at 5:32

I was facing same issue.
Just reopen visual studio and rebuild your project..and then try to deploy.

Its worked for me!

According to Magnus Grindal Bakken’s comment, I found the solution.

1) The installation must have an internet connection to be completed.
Any interruption may cause components to be excluded.

2) You need android emulator. Installing the Android SDK and Visual Studio 2015, is not sufficient, You either need the Microsoft emulator, the android one or another third party emulator (like Genymotion). You also need to ensure that the Xamarin plugins for Visual Studio are installed.

Xamarin for Visual Studio can be downloaded here. Once it is installed Visual Studio will be able to create and run Xamarin projects. Xamarin for VS includes the Xamarin Player for emulation. I think it’s even better than Genymotion.

Start emulator via AVD manger … [start] button (as user m93a suggested).

And next option contains check option «wipe user data«. Check it !

It helps me solve this problem. Then deploy or debug the application and all process will works as expected.

answered Dec 1, 2016 at 13:34

answered Mar 19, 2021 at 8:39

Sometimes the physical Android device gets confused about versions.

On the device, to go settings | Applications Manager | All applications.

Manually delete your application.
Manually delete «Mono Shared Runtime» (don’t worry it will reinstall during deploy)

Make any change in your project so it is seen as altered and needing to be recompiled: Add a new blank-line to a .cs file or something.

Build
Debug/deploy

answered Oct 7, 2016 at 17:45

answered Nov 9, 2016 at 10:10

In the Android App project Properties in Visual Studio I had to go to Android Options>Advanced and make sure the Support architectures had the architecture of my AVD checked.

In my case this was x86_64 (which, by the way, does not have a particularly discovereable method of installation — took me days).

answered Nov 12, 2016 at 13:51

I had Xamarin Android Player opened while trying to deploy the Android project. This steps worked for me:

1. Closed Xamarin Android Player
2. Ran Android project again

answered Mar 6, 2017 at 22:10

answered Jul 11, 2017 at 23:34

Try one of the following and see if you can get the app to deploy to your device.

• Clean and build project/solution
• Make sure you have updated all the NuGet packages (Right click on solution and click on Manage NuGet Packages…. Then check in Updates section whether there are any updates)
• Make sure you have installed all the necessary SDKs from the Android SDK Manager
• Check whether you have selected the correct project as the startup
• Check if you have set the correct path for Android SDK and NDK locations
• Make sure you have checked Deploy for your selected project from Build -> Configuration Manager

answered Sep 6, 2017 at 9:18

answered Sep 7, 2017 at 9:49

This worked for me:

• Making sure that Define DEBUG constant is checked.

• Using Log.Info("yourTag-AnyString", "Error before/after ");

          protected override void OnCreate(Bundle bundle)
          {
              base.OnCreate(bundle);
  
              // Set our view from the "main" layout resource
              Log.Info(tag, "Error before Layout");
              SetContentView(Resource.Layout.Main);
  
              // Get our button from the layout resource,
              // and attach an event to it
              //Button button = FindViewById<Button>(Resource.Id.MyButton);
  
              //button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
              Log.Info(tag, "Error before variables");
              userName = FindViewById<EditText>(Resource.Id.editTextUsername);
              password = FindViewById<EditText>(Resource.Id.editTextPassword);
              btnInsert = FindViewById<Button>(Resource.Id.btnInsert);
              Log.Info(tag, "Error after variables");
              btnInsert.Click += BtnInsert_Click;
          }
  

• changing emulators or exporting the signed .apk instead

• For android apps, using android device logging

answered Oct 21, 2017 at 23:20

There is actually a connection between running Visual Studio as administrator and setting the registry path.

I followed the instructions here but it only worked after running VS as admin because my Android SDK path is in «C:\Program Files (x86)». So in order to add or change files there you need admin rights. Alternatively you can change the permissions of the «Android» folder so that the group «Users» as full access. This worked for me as well.

Or you make sure you don’t even install the Android SDK in «C:\Program Files (x86)».

By the way I found that restarting VS, or even the Emulator again wasn’t necessary after I added the registry key. It picks it up when it needs to.

answered Jan 7, 2018 at 0:30

I just installed VS 2015, the installation was finish (after some fail time caused by the slow network, I run setup again).

I create a project as Android > Android blank project
When I press F5, the build is seem to by success but the deploy is fail, there isn’t error message. Tried set Tool->Option->Build->Diagnostic, no result. VS 2015 is pretty new, is anyone met this? How can I fix this?

I bumped into the same, but I started VS2015 as Administrator and solved the problem.

And yet another recipe of fixing this:

• clean projects
• remove all bin, obj folders
• mark your android-project
  as startup

then try to deploy again

As for me, in some cases, if visual studio stucked on project building, it requires pc reboot.

answered Oct 21, 2016 at 10:21

answered Jul 10, 2016 at 5:32

I was facing same issue.
Just reopen visual studio and rebuild your project..and then try to deploy.

Its worked for me!

According to Magnus Grindal Bakken’s comment, I found the solution.

1) The installation must have an internet connection to be completed.
Any interruption may cause components to be excluded.

2) You need android emulator. Installing the Android SDK and Visual Studio 2015, is not sufficient, You either need the Microsoft emulator, the android one or another third party emulator (like Genymotion). You also need to ensure that the Xamarin plugins for Visual Studio are installed.

Xamarin for Visual Studio can be downloaded here. Once it is installed Visual Studio will be able to create and run Xamarin projects. Xamarin for VS includes the Xamarin Player for emulation. I think it’s even better than Genymotion.

Start emulator via AVD manger … [start] button (as user m93a suggested).

And next option contains check option «wipe user data«. Check it !

It helps me solve this problem. Then deploy or debug the application and all process will works as expected.

answered Dec 1, 2016 at 13:34

answered Mar 19, 2021 at 8:39

Sometimes the physical Android device gets confused about versions.

On the device, to go settings | Applications Manager | All applications.

Manually delete your application.
Manually delete «Mono Shared Runtime» (don’t worry it will reinstall during deploy)

Make any change in your project so it is seen as altered and needing to be recompiled: Add a new blank-line to a .cs file or something.

Build
Debug/deploy

answered Oct 7, 2016 at 17:45

answered Nov 9, 2016 at 10:10

In the Android App project Properties in Visual Studio I had to go to Android Options>Advanced and make sure the Support architectures had the architecture of my AVD checked.

In my case this was x86_64 (which, by the way, does not have a particularly discovereable method of installation — took me days).

answered Nov 12, 2016 at 13:51

I had Xamarin Android Player opened while trying to deploy the Android project. This steps worked for me:

1. Closed Xamarin Android Player
2. Ran Android project again

answered Mar 6, 2017 at 22:10

answered Jul 11, 2017 at 23:34

Try one of the following and see if you can get the app to deploy to your device.

• Clean and build project/solution
• Make sure you have updated all the NuGet packages (Right click on solution and click on Manage NuGet Packages…. Then check in Updates section whether there are any updates)
• Make sure you have installed all the necessary SDKs from the Android SDK Manager
• Check whether you have selected the correct project as the startup
• Check if you have set the correct path for Android SDK and NDK locations
• Make sure you have checked Deploy for your selected project from Build -> Configuration Manager

answered Sep 6, 2017 at 9:18

answered Sep 7, 2017 at 9:49

This worked for me:

• Making sure that Define DEBUG constant is checked.

• Using Log.Info("yourTag-AnyString", "Error before/after ");

          protected override void OnCreate(Bundle bundle)
          {
              base.OnCreate(bundle);
  
              // Set our view from the "main" layout resource
              Log.Info(tag, "Error before Layout");
              SetContentView(Resource.Layout.Main);
  
              // Get our button from the layout resource,
              // and attach an event to it
              //Button button = FindViewById<Button>(Resource.Id.MyButton);
  
              //button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
              Log.Info(tag, "Error before variables");
              userName = FindViewById<EditText>(Resource.Id.editTextUsername);
              password = FindViewById<EditText>(Resource.Id.editTextPassword);
              btnInsert = FindViewById<Button>(Resource.Id.btnInsert);
              Log.Info(tag, "Error after variables");
              btnInsert.Click += BtnInsert_Click;
          }
  

• changing emulators or exporting the signed .apk instead

• For android apps, using android device logging

answered Oct 21, 2017 at 23:20

There is actually a connection between running Visual Studio as administrator and setting the registry path.

I followed the instructions here but it only worked after running VS as admin because my Android SDK path is in «C:\Program Files (x86)». So in order to add or change files there you need admin rights. Alternatively you can change the permissions of the «Android» folder so that the group «Users» as full access. This worked for me as well.

Or you make sure you don’t even install the Android SDK in «C:\Program Files (x86)».

By the way I found that restarting VS, or even the Emulator again wasn’t necessary after I added the registry key. It picks it up when it needs to.

answered Jan 7, 2018 at 0:30

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