Crash on start
Hi all - I've just updated a project I've worked on for a while to the latest XF build as well as updated all the project packages. Now when I start the app on the simulator, everything works fine, but...
View ArticleInvalid value for 'TargetFrameworkVersion'
I'm trying to build my app and the following error Invalid value for ' TargetFrameworkVersion ' Anyone know WHAT siguinifica and how to troubleshoot ?
View ArticleUriImageSource and authentication headers
How can I add authentication headers to the HttpClient that downloads the images (UriImageSource)? Outside of implementing custom image source is there a way to authenticate the HttpClient that XF uses...
View ArticleRenderers in Separate projects not working?
(PCL, XForm 1.3.1) We have many apps. To handle this we have a common project for IOS and a common project for Android apps. See Screenshot. If we put a Renderer in the Common IOS project, it is...
View ArticleMySql Connection
Hello guys, I would like to know if it is possible to create one class on my PCL project that connects to a MySQL DB and makes some operations. I want this class to be static and to be used by both...
View ArticleMR.Gestures handles ALL touch gestures
With MR.Gestures you can handle the Tapping, Tapped, DoupleTapped, LongPressing, LongPressed, Panning, Panned, Swiped, Pinching, Pinched, Rotating and Rotated gestures on all layouts, cells, views and...
View ArticleHow to change property value on state or event
I would like to know if its possible to change the a property value depending on a event. Like changing the source of an image or the background color of a grid when the user press the ContentView or...
View ArticleNavigation.PopAsync doesn't work
In my app, when user press Login button on the HomePage, I need to show the LoginPage. On my home page I call "await Navigation.PushAsync(new LoginPage());" in the command for the Login button. When...
View ArticleHow to open intent on click push notifications.
I'm having some trouble understanding how the pushnotifications should work. When the user clicks on the notification dissapears but the activity does not start. I have a specific GCM module which is...
View ArticleBeginner questions on custom page renderers
What is the difference between e.NewElement and Element? Also iOS is setting up a new page inside OnElementChanged here: https://developer.xamarin.com/guides/xamarin-forms/custom-renderer/contentpage/,...
View ArticleMaster Detail Page- keyboard issue.
I am using Menu in master detail page. I am giving input to the entry, so that the keyboard appears. If I click the menu(on the top for Android & iOS, in the end for windows) button without...
View ArticlePassword entries for windows phone looking different than normal entries.
The entries which have isPassword=true are looking different. The border for these entries is bold than normal entries. How do I get the same border for both type of entries?
View ArticleNavigation: login pages
Dear all, I followed the instructions and I can make a nice tabbed navigation. Now I'd like to move to something fancier, but I have some doubts. The target is this: when the app starts, it must check...
View ArticleXamarin.Forms 2.0 issues
I just recompiled my project with Xamarin.Forms 2.0 and found Application.Current.SavePropertiesAsync is not working as expected in "Release" mode. I used the following code to save the login email...
View ArticleAndroid activity in PageRenderer
Hi All, I creating cross-platform application which using camera to take shots, to call a camera activity I using page renderer, as folows: public class CameraPageRenderer : PageRenderer { const int...
View ArticleWhich is the best technique to manage different screen sizes in XF ?
Hello. As said in the object, i'd like to know how to manage several screen sizes in x.forms app. At this moment, the only idea i have is to query screen size at startup and to bind Paddings and sizes...
View ArticlePlugin.Connectivity error
Hi again, Updated XF and Connectivity Plugin to the latest versions. I just have a single line in the constructor of WP8 project that uses the plugin and it is: if...
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Type is not derived from a java type (StartActivity)
Hi friends. I just have updated to Xamarin Forms 2, but when in my SplashActivity, the method StartActivity() is executed I am getting this error: Here is the code of my SplashActivity:...
View ArticleiOS and Android Custom Renderer for Image with text inside button
I have a button that I need to add and image and text to. With Xamarin Forms, the image gets placed to the left of the text, but in my case I need the image to be placed above the text with both being...
View ArticleI want to load some of my controls on page after particular time span . How...
I want to load some of my controls on page after particular time span . SO if there is any method or property to do this thing it will be helpful.
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