5,325 questions with Xamarin tags

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AOT or Obfuscate XF android app?

Hello, I'm going through the throws of obfuscating my XF app. The actual Android project does not really need obfuscating but the Shared project does. If I set "AotAssemblies>true</AotAssemblies" in the android .csproj, does this…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-26T13:11:24.463+00:00
LMiles 6 Reputation points
answered 2020-11-27T09:19:03.673+00:00
JessieZhang-MSFT 7,706 Reputation points Microsoft Vendor
0 answers

Crashes not getting logged even after Firebase Crashlytics upgraded to the latest version

I have upgraded to the latest Firebase Crashlytics version for my Xamarin.Forms iOS app. But still I couldn't see the crashes getting logged in the Firebase Console. This is the message I see in the Console : > As of November 16, we are only…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T16:34:31.427+00:00
Paul 296 Reputation points
commented 2020-11-27T07:20:11.343+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.) 6,751 Reputation points
1 answer

How to update the navigation bar color in UIImagePickerController in Xamarin Forms (via WebView/JS)

In one of my Xamarin Forms project, I am in a situation where the webview triggers the opening of native UIImagePickerController (iOS) for Photo selection/Camera via JavaScript. In my app we use Transparent/Clear color for the Navigation bar mostly and…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T02:10:17.577+00:00
Sagar S. Kadookkunnan 6 Reputation points
commented 2020-11-27T07:14:00+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.) 6,751 Reputation points
2 answers One of the answers was accepted by the question author.

Unable to code sign my MacOS Xamarin.Forms application

I'm using MacOS Catalina with VS 4 Mac v8.8.2.41 Community and app signing never enables, even though I've provisioned my Mac Book Pro. I'm creating a Xamarin.Forms app, if that make any difference. Here is what the Mac Signing screen looks like.…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-26T12:23:50.263+00:00
Dominique Louis 111 Reputation points
accepted 2020-11-26T20:27:34.447+00:00
Dominique Louis 111 Reputation points
3 answers One of the answers was accepted by the question author.

help with Validation in MVVM

Hello, everyone, I need help with Xamarin I now that Xamarin forums are moving here I am making basic validation forms with an email, and password, but it doesn't work correctly. If I enter a name and I enter a valid email, it says "name cannot…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T17:05:03.98+00:00
e.gromero@alumnos.upm.es 21 Reputation points
accepted 2020-11-26T17:24:46.923+00:00
e.gromero@alumnos.upm.es 21 Reputation points
4 answers One of the answers was accepted by the question author.

No reference to Xamarin.Android.Support libraries in VS 2019

Hi, I opened a solution of Xamarin forms created in VS 2017 in Visual Studio Community Edition 2019. I noticed that the references to Xamarin.Android.Support libraries are not added automatically in Nuget when the solution is created for the first…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-23T10:01:06.163+00:00
Rajesh M 21 Reputation points
accepted 2020-11-26T16:27:39.917+00:00
Rajesh M 21 Reputation points
1 answer

Replace 81 buttons for a CollectionView for Wordgame or Sudoku

I am trying to make a Wordpuzzle game . Have 81 Buttons that make a 9X9 layout , i fill the buttons with a Letter or a Number from a database online. When a Buttonclicked the background is changing Color . All is working but it is a lot of…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-26T10:49:35.657+00:00
Borisoprit 371 Reputation points
commented 2020-11-26T12:47:32.817+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 71,926 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Inherit bindableproperty in contentview

Hi everyone. I have a working custom control. I want to have another custom control inheriting from the previous one but something is not working as expected. In the second control oneway properties don't take the value I send from the implementation…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-25T14:47:59.067+00:00
Emiliano Magnani 21 Reputation points
accepted 2020-11-26T11:41:58.323+00:00
Emiliano Magnani 21 Reputation points
3 answers One of the answers was accepted by the question author.

RelativeLayout order view childrens

Good morning community! I'm having a problem in a relativeLayout that I made some time ago. The fact is that with previous versions of Xamarin it has always worked perfectly for me, however I don't know why it has stopped working. This relativeLayout…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-25T09:44:28.173+00:00
Carles Baldovi 21 Reputation points
commented 2020-11-26T09:26:59.16+00:00
Carles Baldovi 21 Reputation points
0 answers

Xamarin.Forms connection from PC to mac keeps quitting before deplotment - 100s of times/day

If I can connect and upload the latest build to my ios device twice or more during an 11 hour work day - that's a good day for me. I have the latest (preview) Visual Studio Code on both mac and PC, the latest XCode installed. PC is connected to mac…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-22T17:46:18.993+00:00
capsicum 101 Reputation points
commented 2020-11-26T08:27:30.887+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.) 6,751 Reputation points
2 answers

Setting the Android API level

I am trying to upload my app to Google Play for Release. I have built and signed my .apk. When I go to upload it I got the following error: Your app currently targets API level 28 and must target at least API level 29 to ensure it is built on the…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-22T12:26:53.407+00:00
Don Glover 511 Reputation points
commented 2020-11-26T07:00:45.95+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 71,926 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

How to display the image when the build action of the image file is the content

Currently, I am displaying an image using the build action of an image file as an embedded resource, but I do not know how to display the image when the build action is changed to content. Someone please show me a sample

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-25T23:16:56.897+00:00
TS44 81 Reputation points
accepted 2020-11-26T03:49:23.117+00:00
TS44 81 Reputation points
1 answer One of the answers was accepted by the question author.

[Bug] Xamarin.Forms Picker - One Picker selection clears all the options of the other picker in the same page

https://github.com/xamarin/Xamarin.Forms/issues/12956 Hi! I'm working on an app built using Xamarin.Forms. I just upgraded from Xamarin.Forms 3.4.0.1029999 to 5.0.0.1709-pre4. After this upgrade, I'm facing a new issue wherein a page that has multiple…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T10:13:50.94+00:00
Paul 296 Reputation points
accepted 2020-11-25T14:15:50.86+00:00
Paul 296 Reputation points
1 answer

Button Command is not working in the Xamarin forms

In the Xamarin wpf project, when clicking on the button, command is not working. I have a button in the datatemplate of a listview item template and a command has been binded to this button. This is as shown below : <ListView …

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-23T09:48:35.113+00:00
CKuttan 21 Reputation points
answered 2020-11-25T13:03:29.637+00:00
Morgan SOULLEZ 1 Reputation point
1 answer

Creating a Button with Multiple Components

I want to create a Button that is made up of multiple parts. I am very new to Xamarin.Forms & Android, but what I have found makes it sound like a CustomRenderer is what I should be using. However, from what I have seen in the examples I could find,…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T17:25:33.027+00:00
Nathan Sokalski 4,126 Reputation points
answered 2020-11-25T12:53:10.117+00:00
Morgan SOULLEZ 1 Reputation point
1 answer

How to get screen readers to read a number in an Entry as a decimal number rather than an incomplete sequence of digits and numbers?

I have a Xamarin.Forms.Entry that is used for entering values. I am now trying to improve how screen readers read the value in this Entry. Currently, using XF 4.8, on devices set up for British English the following value 1500005.40 results in…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T16:38:43.133+00:00
John Hardman 161 Reputation points
commented 2020-11-25T11:40:59.907+00:00
John Hardman 161 Reputation points
0 answers

IPA file not getting created / Show IPA in mac menu option remains disabled though build successful on release configuration

Hi everyone, IPA file is not getting created for my Xamarin.Forms iOS app. Usually like in earlier times, I used to check the IPA file inside bin/iPhone/Release or click "Show IPA file on Build Server" and find the same. But now both options…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T16:24:21.413+00:00
Paul 296 Reputation points
commented 2020-11-25T11:23:47.96+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.) 6,751 Reputation points
1 answer

About image display in Xamarin forms

Does the processing time of the application change depending on whether the build action of the image file is used as an embedded resource or content? https://dotnetco.de/tips-on-performance-for-xamarin-forms-android-and-ios/ …

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-25T07:48:57.337+00:00
TS44 81 Reputation points
answered 2020-11-25T11:07:58.883+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 71,926 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

Expander and ForceUpdateSizeCommand

Could anyone please describe the ForceUpdateSizeCommand attribute for the Expander? I have this: <StackLayout BindableLayout.ItemsSource="{Binding VARIABLE, Mode=TwoWay}"> <Expander> …

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-24T15:54:38.577+00:00
jseffel 21 Reputation points
answered 2020-11-25T10:51:02.157+00:00
jseffel 21 Reputation points
0 answers

How to handle language specific dynamic delivery with Android App bundle?

I have some json files as embedded resources in my app. Those are like data_en.json, data_de.json, data_fr.json. When I publish my app as app bundle to google play store, is there a way to tell google those are languages specific for 4 languages that…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,325 questions
asked 2020-11-20T02:56:25.953+00:00
Emil Alipiev 276 Reputation points
commented 2020-11-25T09:28:09.527+00:00
JarvanZhang 23,951 Reputation points