Load Listview effecitiently with large dataset
Hello, I have dataset containing around 5k records coming from api which is taking around 15 s - 20 s to consume and populate data in listview. Can anyone tell me better way to reduce the list loading...
View ArticleLocal Notification not displayed when app is closed
I am using local notification with alarm manager in Xamarin Android, it works fine and when the application was closed notification not displayed.i want to run in background also. Please help me to...
View ArticleIn-App Update using Play Core Library
Hey you guys, need help!! I have an app in Google Play that scan some QR Codes, and these Codes had a pattern, and we have to change it, because the read is very very slow. We will update the QRs and...
View ArticleIs there some variable or function from which I can read the most recent...
This could be useful in an "About" page.
View Article'C:\Program' is not recognized as an internal or external command, operable...
Hi' I'm new to xamarin forms. I'm getting this error " 'C:\Program' is not recognized as an internal or external command, operable program or batch file." when I try to run the android emulater. Any...
View ArticleAn accidental replace of a file, removing all of its content
In my project i have been adding some files but when i added a file which has the same name as another, i clicked on replace and it replaced all of my code which contained my sqlite commands and such,...
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iOS Notification registration stopped working
Last week: notifications working okay (for many weeks). Monday: (no code changes) notification registration fails with error: I get the same thing with:...
View ArticleHandling multiple screen sizes
How would I handle multiple screen sizes, i.e. going from an iPhone 5s to a iPhone Xs Max. Currently, Objects spill off of the view in smaller sizes as I cant figure out how to set the object, such as...
View ArticleChange Target Android Version
I am trying to change the target android version of my project to 8.1. However, when I do this, I get an error saying that "Your project does not reference "MonoAndroid,Version=v8.1" framework. Add a...
View ArticleNullReferenceException on Grid.CalculateAutoCells [Only XF iOS]
Hi, I'm developing an app with Xamarin Forms from 7 months. My app worked very well. I have done 1 month on Android side, because I fixed some bugs and added some features. Today I have ported these...
View Articleimage file upload server help :(
hello please someone will help me for upload base64 converted image how can i upload to server i am sharing my code List<byte> rawBuffer = new List<byte>(); var contentUri =...
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Grid not using 100% of width?
Hey, I am making a grid with 2 columns that the set width is '' and one row which the height is set to '' when I load the app the grid is not using 100% width of the screen, can anybody help? the only...
View Articletheme IOS xamarin form ALL IS grey black
In android I can set styles and customize ALOT how do I do this in IOS. everything is dull and gray. tried adding to app in xaml but did nothing..
View ArticleAdd ListView in ShellPage
Hello, How can I add a list of pages with a list object dynamically (listview) in a ShellPage element ? Thanks
View ArticleBODMAS functionality
Hello Developers, I implemented a simple calculator and i want to use bodmas functionality, you have any idea.
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hello/hola How to hide my application?
Spanish: hola a todos, buenos dias, estoy hace un tiempo renegando con un problema. mi problema es que construi una aplicacion con fcm en xamarin android... el asunto es que estoy necesitando que se...
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Save data in json file
Hello Developers, I added the json file in pcl and i have a entry control with a save button i will enter some text in entry control then click save button. the entry text should be save in Demo.json...
View ArticleHow to create layout List/GridView in CarouselView?
How to create a ListView or GridView inside CarouselView like this link
View ArticleXamarin forms upload photos and save in sql server
good night, I would like an example of how to save photos in a xamarin forms application and save in sql server I am using visual studio 2017
View ArticleXamarin Forms Android Fixed Notification
Hi all, I want fixed notification xamarin forms on android. I mean like music app or love counter app notifications unremovable and updateable. Also the notification package should be able to do them....
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