Best Of
Re: Run download method with AWS S3 in Xamarin Forms
try
{
TransferUtilityDownloadRequest request = new TransferUtilityDownloadRequest();
request.BucketName = "yourS3path";
request.Key = "download.jpg";
TransferUtility transferUtility = new TransferUtility(client);
request.WriteObjectProgressEvent += WriteFileProgress;
System.Threading.CancellationToken cancellationToken = new System.Threading.CancellationToken();
await transferUtility.DownloadAsync(request, cancellationToken);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("=====ERROR ========");
}
private void WriteFileProgress(object sender, WriteObjectProgressArgs args)
{
// show progress
System.Diagnostics.Debug.WriteLine("=======UpdateFileProgress=======");
}
Re: ICommand doesn't work under VS2017 for Mac with iOS11?
Indent lines of code with 4 spaces (or more to further indent code). Fixed your post so code is shown.
Anyway, the issue appears to be that you have not set a binding context.
You can set this in XAML with:
x:Name="boutonPage
BindingContext="{x:Reference Name= boutonPage}"
In context:
<?xml version="1.0" encoding="utf-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:bouton" x:Class="bouton.boutonPage"
Title="MainPage"
x:Name="boutonPage"
BindingContext="{x:Reference Name= boutonPage}">
...
</ContentPage>
You have to set the x:Name and then refer to that so you refer to the particular instance of boutonPage.
Or Code:
using System.Windows.Input;
using Xamarin.Forms;
namespace bouton
{
public partial class boutonPage : ContentPage
{
public boutonPage()
{
InitializeComponent();
BindingContext = this; // <-------- set the binding context
}
...
}
Re: Xamarin forms IOS app size increases from 42.8 MB to 108 MB after certification
No.
I can only guess that they encrypt before they compress. Of course compressing encrypted data does not work. But if they already write this in their documentation, then they should be aware of that and change the order. I.e. compress first and then encrypt. Then a large proportion of contiguous zeros would be compressed too.
Re: “Link all assemblies” causes my app to crash
@KrishnaChirravuri said:
@Ljusnan I don't have any information on what assembly is causing the issue, the app just crashes with black screen.
Well, at first you tell Xamarin to skip every single assembly. If this helps, you remove assemblies one by one from that skipping list to see which causes the issue.
Ljusnan
Re: Can't see my provisioning profile in Visual studio
Check KeyChain access file, whether your certificate is installed. Or else you can go to Apple developer site and find your profile, download it and just double click on it. It will get installed. Then build your project.
Re: Can't see my provisioning profile in Visual studio
On most situations - Xamarin Studio/Visual studio needs to be restarted after any changes made to provisioning profiles. If you have your mac remotely - reconnecting helps also.
If none of that helps, you can download provisioning profile and put it's file in proper directory manually. XCode is really helpfull in finding them on mac (context menu -> reveal in finder). In visual studio actually i don't remember where they are but i'm sure you can find them.
Re: about date tool in xamarin android
on Visual Studio, open Package Manager Console and enter these command:
Install-Package Karamunting.Android.Drawers.SpinnerDatePicker -Version 0.0.4
Re: how to show display alert when httpClient.GetASync("uri") return response null ?
Are you sure you're getting the HttpStatusCode.NoContent from the server when there is no record? Try changing your if clause to this:
if (response.StatusCode != HttpStatusCode.OK || response.Content == null)
{
Device.BeginInvokeOnMainThread(async () => {
await DisplayAlert ("No Record!!", string.Format("Response contained status code: {0}", response.StatusCode), "OK");
});
}
else
{
var result = response.Content.ReadAsStringAsync().Result;
var name = JsonConvert.DeserializeObject<List<AddDonorClass>>(result);
LvDonors.ItemsSource = name;
}
Re: Any ideas on logging and handling exceptions
You can use [HockeyApp] other than analytics, provides dash-board full of information which can help you make your app super-sleek, Exception handling and Logging is also great, why not.
Help on your way:
And there are few more alternate to choose from.
Hope it helps.
Regards,
N Baua
N_Baua