The error message tells you pretty explicitly what the error is C:\Users\dev\AppData\Local\Xamarin\Android.Support.v4\21.0.3\android_m2repository_r10.zip is not a valid zip file How to fix it Please download https://dl-ssl.google.com/android/repository/android_m2repository_r10.zip and extract it to the C:\Users\dev\AppData\Local\Xamarin\Android.Support.v4\21.0.3\content directory.
You can do it cross platform way by attaching the below behavior, as long as it is Xamarin.Forms.Button or a sub-type of it. using System; using System.Threading; using System.Windows.Input; using Xamarin.Forms; namespace App.Controls.Behaviors { public class LongPressBehavior : Behavior<Button> { private readonly object _syncObject = new object(); private const int Duration = 1000; //timer to … Read more
As explained in Microsoft Documentation: You need to first to have the font file I believe .ttf (or .otf). Add it to your shared project. Right click on the file and click on “properties”, then set it build action to Embedded Resource. Export it with a friendly alias name in your AssemblyInfo.cs or App.xaml.cs: [assembly: … Read more
Yes, you can Bypass the certificate using below code… HttpClientHandler clientHandler = new HttpClientHandler(); clientHandler.ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) => { return true; }; // Pass the handler to httpclient(from you are calling api) HttpClient client = new HttpClient(clientHandler);
I just implemented push notification a few days ago, and I’ll share my solution here (based on PushSharp) Step by step guide: 1) In your shared project, create an Interface called IPushNotificationRegister public interface IPushNotificationRegister { void ExtractTokenAndRegister(); } This interface is used for fetching the push token and then send it to the server. … Read more
Just to point out another solution for Android. In case you want to keep always visible the keyboard for a specific Editor Renderer, you need to override the following methods in the MainActivity class: private bool _lieAboutCurrentFocus; public override bool DispatchTouchEvent(MotionEvent ev) { var focused = CurrentFocus; bool customEntryRendererFocused = focused != null && focused.Parent … Read more
Android: public void OpenPdf(string filePath) { Android.Net.Uri uri = Android.Net.Uri.Parse(“file:///” + filePath); Intent intent = new Intent(Intent.ActionView); intent.SetDataAndType(uri, “application/pdf”); intent.SetFlags(ActivityFlags.ClearWhenTaskReset | ActivityFlags.NewTask); try { Xamarin.Forms.Forms.Context.StartActivity(intent); } catch (Exception) { Toast.MakeText(Xamarin.Forms.Forms.Context, “No Application Available to View PDF”, ToastLength.Short).Show(); } } iOS, a bit more complex and requiries some extra classes: public void OpenPDF(string filePath) { FileInfo … Read more
Just got back to this problem. In case anyone‘s wondering: Turns out the Xamarin Live Player I’ve recently had to use has some problems with Json.NET. (https://developer.xamarin.com/guides/cross-platform/live/limitations/) I knew it had to be something stupid… Well maybe I can save someone else some time!
Updated: In my previous answer, it shows how to add camera permission on webview. The link you provided, it works now. https://xamarin.swappsdev.net/ It seems to provide a camera preview function. It need to check permissions on API 23+. On Xamarin.Forms, you could use Permissions Plugin. https://github.com/jamesmontemagno/PermissionsPlugin First, add the camera permission in Android Manifest. Your … Read more
You cannot access directly an sql server from your pcl project in Xamarin.Forms because System.Data.SqlClient is not available on pcl. But you can do it through a dependency service. First in you PCL project declare you service public interface IDbDataFetcher { string GetData(string conn); } Then on you Android project implement the service interface [assembly: … Read more