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Xamarin Forms Android Problems, package android.support.design.* does not exist

Posted by: admin June 15, 2020 Leave a comment

Questions:

I have a Xamarin.Forms Project in which i can not get Android to build, as a matter of fact even a brand new project i have the same problems Android fails out with tons and tons of errors. I have installed and reinstalled Android SDK, Java, and made sure all thats in the Android SDK is installed, still no go.

Severity    Code    Description Project File    Line    Suppression State
Error       error: package android.support.design.widget.TabLayout does not exist
android.support.design.widget.TabLayout.OnTabSelectedListener,  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   8   
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabReselected (android.support.design.widget.TabLayout.Tab p0)    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   76  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabReselected (android.support.design.widget.TabLayout.Tab p0); MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   81  
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabSelected (android.support.design.widget.TabLayout.Tab p0)  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   84  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabSelected (android.support.design.widget.TabLayout.Tab p0);   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   89  
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabUnselected (android.support.design.widget.TabLayout.Tab p0)    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   92  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabUnselected (android.support.design.widget.TabLayout.Tab p0); MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\md5270abb39e60627f0f200893b490a1ade\TabbedPageRenderer.java   97  
Error       error: package android.support.design.widget.AppBarLayout does not exist
android.support.design.widget.AppBarLayout.OnOffsetChangedListener  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\AppBarLayout_OnOffsetChangedListenerImplementor.java   8   
Error       error: cannot find symbol
public void onOffsetChanged (android.support.design.widget.AppBarLayout p0, int p1)
symbol:   class AppBarLayout
location: package android.support.design.widget   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\AppBarLayout_OnOffsetChangedListenerImplementor.java   27  
Error       error: cannot find symbol
private native void n_onOffsetChanged (android.support.design.widget.AppBarLayout p0, int p1);
symbol:   class AppBarLayout
location: package android.support.design.widget   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\AppBarLayout_OnOffsetChangedListenerImplementor.java   32  
Error       error: package android.support.design.widget.NavigationView does not exist
android.support.design.widget.NavigationView.OnNavigationItemSelectedListener   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\NavigationView_OnNavigationItemSelectedListenerImplementor.java    8   
Error       error: package android.support.design.widget.SwipeDismissBehavior does not exist
android.support.design.widget.SwipeDismissBehavior.OnDismissListener    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\SwipeDismissBehavior_OnDismissListenerImplementor.java 8   
Error       error: package android.support.design.widget.TabLayout does not exist
android.support.design.widget.TabLayout.OnTabSelectedListener   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    8   
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabReselected (android.support.design.widget.TabLayout.Tab p0)    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    29  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabReselected (android.support.design.widget.TabLayout.Tab p0); MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    34  
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabSelected (android.support.design.widget.TabLayout.Tab p0)  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    37  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabSelected (android.support.design.widget.TabLayout.Tab p0);   MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    42  
Error       error: package android.support.design.widget.TabLayout does not exist
public void onTabUnselected (android.support.design.widget.TabLayout.Tab p0)    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    45  
Error       error: package android.support.design.widget.TabLayout does not exist
private native void n_onTabUnselected (android.support.design.widget.TabLayout.Tab p0); MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp.Droid\obj\Debug\android\src\mono\android\support\design\widget\TabLayout_OnTabSelectedListenerImplementor.java    50  
Warning CS0108  'App.Current' hides inherited member 'Application.Current'. Use the new keyword if hiding was intended. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\App.cs    9   
Warning CS0108  'LoginPage.IsBusy' hides inherited member 'Page.IsBusy'. Use the new keyword if hiding was intended.    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\LoginPage.xaml.cs 53  
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\LoginPage.xaml.cs 105 
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\LoginPage.xaml.cs 112 
Warning CS0649  Field 'LoginServerResponseModel.Login' is never assigned to, and will always have its default value null    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Models\LoginServerResponseModel.cs    8   
Warning CS0649  Field 'RegistrationServerResponseModel.registration' is never assigned to, and will always have its default value null  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Models\RegistrationServerResponseModel.cs 8   
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\SignupPage.xaml.cs    99  
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\SignupPage.xaml.cs    150 
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\SignupPage.xaml.cs    157 
Warning CS0414  The field 'UploadImagePage.imgcount' is assigned but its value is never used    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\UploadImagePage.xaml.cs   10  
Warning CS0414  The field 'UploadImagePage.userfolder' is assigned but its value is never used  MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\UploadImagePage.xaml.cs   11  
Warning CS4014  Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call. MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\UploadImagePage.xaml.cs   56  
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\background.png     
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\check_active.png       
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\check_inactive.png     
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\icon_easyrest.png      
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\ic_launcher.png        
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\logout.png     
Warning     @(Content) build action is not supported    MyApp.Droid P:\VisualStudioProjects\MyApp\MyApp\MyApp\Images\pdf_icon.png   
How to&Answers:

Try backing up and removing anything under C:\Users\UserName\AppData\Local\Xamarin\Android.Support.Design\23.0.1.3 (or similar version number), then building the project. Check the output window and you should see a link to a zip file and where to unzip it.

You may have to do this for other folders too, such as Android.Support.v7.AppCompat

Answer:

the way I fixed this error was deleting the obj and bin folders from the app project folder and rebuilding it again. Worked for me.

Answer:

After a lot of tinkering around I finally got this fixed and heres what I did, I updated Xamarin to the newest version while simultaneously Updating VS 2015 to update 2, after all that was done and before starting VS I deleted all the User/username/AppData/Xamarin/Android.Support.* folders and then opened VS 2015 and created a brand new Xamarin Forms Shared Project Solution and viola it copied over all the needed files and Android compiles.

Answer:

First check that the component android.support.design.Library it’s installed

In my case I I already had it installed, after, I removed de Component of android.support.design.Library and I installed again and fix it

Answer:

Mac Users

Open Terminal and type the following command:

open ~/.local/share/Xamarin/ 

Create a ‘just in case’ folder on your desktop and move all of the content out of the ~/.local/share/Xamarin/ folder.

Rebuild your application.

You’ll see a message like this printed to the console:

/Users/{username}/Documents/Development/{path to .Droid project}: Error XA5209: Unzipping failed. Please
download
https://dl-ssl.google.com/android/repository/android_m2repository_r29.zip
and extract it to the
/Users/{username}/.local/share/Xamarin/Xamarin.Android.Support.v4/23.3.0.0/content
directory. (XA5209)

Download the new .zip file and extract it to:

open ~/.local/share/Xamarin/Xamarin.Android.Support.v4/23.3.0.0/content 

You may need to repeat this for other folders.

If you are on PC check out Nigel’s answer.