An item with the same key has already been added.
VS2013 Beta channel xamarin.ios On nugget update of Xamarin.Forms I get "An item with the same key has already been added." Installing 'Xamarin.Forms 1.2.3.6257'. Successfully installed 'Xamarin.Forms...
View ArticleQQ/微信729926040原版制作UTS悉尼科技大学毕业证成绩单,澳洲文凭办理UTS大学毕业证成绩单,办理澳洲学位证，真实留信网认证”Universit...
QQ/微信729926040原版制作UTS悉尼科技大学毕业证成绩单,澳洲文凭办理UTS大学毕业证成绩单,办理澳洲学位证，真实留信网认证”University of Technology SydneyQQ/微信729926040原版制作UTS悉尼科技大学毕业证成绩单,澳洲文凭办理UTS大学毕业证成绩单,办理澳洲学位证，真实留信网认证”University of Technology...
View ArticleHow to prevent overlapping navigation in NavigationPage?
I am currently trying to fix an annoying problem in my Xamarin Forms app (iOS and Android). Assume a NavigationPage that currently has two pages on the stack: Page2 (topmost, currently displayed) Page1...
View ArticleShadows on SkiaSharp shape
I'm working with SkiaSharp shapes, and I can't put a shadow behind a shape. Does anyone have an idea how to get it done in xamarin.forms?
View ArticleAndroid background service closes when I close application. How i doing wrong?
I trying to make service, which leave running in background while I close the application. I used the example from:...
View ArticleXamarin.Forms with Mono.Android 8.0
I seems Xamarin.Forms don't support Mono.Android 8.0? Upgrading Android support libraries to 26.x.x (API level 26 = 8.0 Oreo) because Xamarin.forms seems to have a strict dependency to 25.x.x. Example:...
View ArticleRg Plugins Popup with Xamarin Forms not working for shared project
Hello, I am very new to xamarin. wanted to show Page popup(not full screen) in my shared project(IOS and Android). after research i came across Rg.Plugins Popup. i added nuget package to my project, i...
View ArticleXamarin Forms Map error on Andriod
I'm getting a Unhandled Exception when debug project. ///////////////////////////////////////////////////////////////////////////////// Unhandled Exception: Java.Lang.NumberFormatException: For input...
View ArticleThe "xamlCTask" task has been declared or used incorrectly
The "XamlCTask" task could not be instantiated from "C:\"MyPath"\Documents\Visual Studio...
View ArticleCustom Editor inside a listview disables on show
Hi, I have a custom listview using custom viewcells having radio buttons and editor control inside it. On tapping the radio buttons the comment box visibility is toggled (show/hide). On loading the...
View ArticlePass enum value in command parameter
Hi, How to pass enum value as command parameter and what would be command type in viewmodel. I am using Prism and passing enum value like below CommandParameter="{x:Static...
View ArticleImage over grid.row/grid.column doesn't work
I did this: <Image Source="my_image.png" Grid.Row="0" Grid.Column="0" ></Image> when i run my app doesn't appear. I'm having many issues with to load image in my App. That image is at root...
View Articlepush notification re launches app in android
Hi, I'm using the Xam.Plugin.Pushnotification package to implement cross platform push notification. It works fine on the iOS build and works mostly on the Android build. In iOS if a notification comes...
View ArticleHow can i do a popup with image?
I want to display a complet image when the user touch the icon, per example. This is same function of whatsapp, that when I touch the contact's image, the image is expand, like a popup. Anyone can help...
View Article加拿大真学历Q微信729926040原版仿制UWO西安大略大学毕业证成绩单，伪造加拿大成绩单如何购买加拿大假文凭在哪里可以办理加拿大假毕业证和成绩单？
加拿大真学历Q微信729926040原版仿制UWO西安大略大学毕业证成绩单，伪造加拿大成绩单如何购买加拿大假文凭在哪里可以办理加拿大假毕业证和成绩单？加拿大真学历Q微信729926040原版仿制UWO西安大略大学毕业证成绩单，伪造加拿大成绩单如何购买加拿大假文凭在哪里可以办理加拿大假毕业证和成绩单？加拿大真学历Q微信729926040原版仿制UWO西安大略大学毕业证成绩单，伪造加拿大成绩单如何购买加...
View ArticleCannot find app in Android emulator (Visual Studio 2017)
I have started a basic tutorial on how to develop a cross platform app via azure using xamarin.forms. A few days ago, I was able to run the Droid version of the project (via emulator) and found the app...
View ArticleContext Actions - How can you get the object for the row where the context...
I have been searching around and found a few examples of using Context Actions however none of the ones I found interact with the underlying ViewCell's bound object. Basically, when I swipe (using iOS)...
View ArticlePicker control doesn't open up and highlight the user selected item.
Hey all, I have a picker control that contains a couple hundred items. A user can come in, select an item, and the picker will update it's text, selectedIndex, and selectedItem properties properly. I...
View ArticleReceive event when context menu appears?
It is easy to show a context menu after a long press on an item in a ListView. However, imagine a scenario where we have items A, B, C and D in our ListView and item C happens to be the selected item....
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