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How to make a grid view, picture?

How to make a grid view, picture?

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Paypal plugin You Must Call PayPal.Forms.CrossPaypalManager.Init() before to...

Hi xamarin forum as my title says I encounter that error when I ran my app using this plugin https://github.com/AlejandroRuiz/PayPal.Forms I follow every step icluding the note on ReadME found below...

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I design the interface but with database I don’t know how can I done with...

My idea is •the teacher generate random code and after that the student Enter that code to mark his attendance. and the student where mark attendance is should appear to teacher, that can be done with...

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Visual Studio 2019 Run arrow does not do anything

Hello, For most projects I click run arrow and it runs fine on my android device. But for some I click run arrow and it turns green again in a second. Nothing happens. Help will be greatly appreciated....

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Problem with custom renderer height (iOS)

Hi all, I have a custom renderer to add an icon to the right and/or left side of a date picker and to allow to draw a border on any side of the date picker. This works fine as long as the icon I add is...

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Why am I getting back the same Bitmap even after compressed?

I have the following code trying to compress a bitmap and use it for uploading. //1 Bitmap bitmap1 = BitmapFactory.DecodeByteArray(imageFileByte, 0, imageFileByte.Length); //2 byte[] compressedData =...

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Database Options to integrate with Hybrid mobile App (Xamarin Forms)?

Hello Folks – I’m currently working as a Mainframe Developer. Me and my friends are planning to develop a Hybrid mobile app with Xamarin Forms. This app will do user management, allow them to make...

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Android Foreground Service Preventing Memory Release?

I created an android application with a foreground service that is always running. Initially, when the application is completely shut down (both process and service is not running), I try to use a...

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How to make the user to get sqlite db when he installs my app?

Hi, I have a Xamarin.Forms application which uses SQLite DB. The SQLite DB is on my device (Android), and the App uses it for read/write operations. Now, if I upload the app to the market, I would like...

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Synchronize button disabled at the same time of form

Hello, I have a problem with a button on Xamarin.Forms. The button is a synchronize button what should enable a login form. By default login form is disabled but my synchronize button is also disabled...

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how to Implement a shell in xamarin.forms?

Hi, I am working on the xamarin form. My requirement is to bind navigation menus at the bottom like once I click on the more navigation pop up or sidebar should appear like and I want to hide the...

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How to scuffle position of two Tabbar Shell Items programetically in run time...

How to scuffle position of two Tabbar Shell Items programetically in run time using code behind c# .

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How to change text of a button in the main App from App.Android realtime?

Hi! I'm receiving realtime data from platform-specific code (Firebase Realtime Database) with EventListener, but my UI is in the main App. I can't figure out how to change button text in the main App...

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How do I move data files from one app to another

I have two apps where my "old" app are going to phase out and soon it will close down. My problem is that I have some historic data files placed where the app is installed and these data I need to move...

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Forms + Shell + MVVM?

We've been developing our app for a 5years now using xamrin forms and MVVM (using FreshMVVM). We are thinking of moving to shell for new apps moving forward. From...

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Xamarin.forms PushNotificationPlugin, how to open a page passing data of the...

So on my app.xaml.cs I have CrossPushNotification.Current.OnNotificationReceived += (s, p) => { //something like Navigation.PushAsync(new Page(Data from the notification)); } How can I open 'Page'...

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Open Specific Page when click on Push Notification

Hi, I am trying implement basic push notification example using Xamarin Forms with Prism MVVM, Azure & FCM. I am receiving notification, but couldn't navigate to specific page when clicked on...

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Tried ALL Xamarin BLE Demo Apps - None of them are working

It's the first time I register for a forum, because I couldn't find a solution somewhere in the internet. I have an arduino and connected a bluetooth module. The module is a HM10 (i also have the...

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How do l ressolve System.Net.WebException Error .The Internet connection...

The project l am building has some images on a file storage site and its consuming api's and it connected to the internet via my phone.After a lot of research l found out it has a bit to do with my...

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Xamarin forms: Previous screen is showing behind the current screen of ios app.

Found the same issue here. But the solution there not help me out. Please have a look at the following screenshot of my xamarin forms ios app. My problem is the previous page is showing behind the...

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