open-maui/OpenMaui Samples
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This commit is contained in:
David H. Friedel Jr.
2026-01-17 05:42:44 +00:00
parent fc113166d6
commit 71f6aa1179
10 changed files with 269 additions and 133 deletions
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78
WebViewDemo/Pages/WebViewPage.xaml.cs
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@@ -6,6 +6,8 @@ namespace WebViewDemo;
public partial class WebViewPage : ContentPage
{
private CancellationTokenSource? _progressCts;
public WebViewPage()
{
Console.WriteLine("[WebViewPage] Constructor starting");
@@ -70,10 +72,16 @@ public partial class WebViewPage : ContentPage
{
StatusLabel.Text = $"Loading: {e.Url}";
Console.WriteLine($"[WebViewPage] Navigating to: {e.Url}");
// Start progress animation
StartProgressAnimation();
}
private void OnNavigated(object? sender, WebNavigatedEventArgs e)
{
// Stop progress animation and complete
StopProgressAnimation(e.Result == WebNavigationResult.Success);
StatusLabel.Text = e.Result == WebNavigationResult.Success
? $"Loaded: {e.Url}"
: $"Failed: {e.Result}";
@@ -82,9 +90,68 @@ public partial class WebViewPage : ContentPage
Console.WriteLine($"[WebViewPage] Navigated: {e.Result} - {e.Url}");
}
private void OnLoadHtmlClicked(object? sender, EventArgs e)
private void StartProgressAnimation()
{
// Cancel any existing animation
_progressCts?.Cancel();
_progressCts = new CancellationTokenSource();
// Show and reset progress bar
LoadingProgress.Progress = 0;
LoadingProgress.IsVisible = true;
// Animate progress (simulated since WebView doesn't report actual progress)
var token = _progressCts.Token;
Dispatcher.Dispatch(async () =>
{
try
{
// Quick initial progress
await LoadingProgress.ProgressTo(0.3, 200, Easing.CubicOut);
if (token.IsCancellationRequested) return;
// Slower middle progress
await LoadingProgress.ProgressTo(0.6, 500, Easing.Linear);
if (token.IsCancellationRequested) return;
// Even slower as we wait
await LoadingProgress.ProgressTo(0.85, 1000, Easing.CubicIn);
}
catch (TaskCanceledException)
{
// Expected when navigation completes
}
});
}
private void StopProgressAnimation(bool success)
{
_progressCts?.Cancel();
Dispatcher.Dispatch(async () =>
{
if (success)
{
// Complete the progress bar
await LoadingProgress.ProgressTo(1.0, 150, Easing.CubicOut);
await Task.Delay(100);
}
// Hide the progress bar
LoadingProgress.IsVisible = false;
LoadingProgress.Progress = 0;
});
}
private async void OnLoadHtmlClicked(object? sender, EventArgs e)
{
Console.WriteLine("[WebViewPage] Load HTML button clicked");
StatusLabel.Text = "Loading demo HTML...";
// Show quick progress for HTML loading
LoadingProgress.Progress = 0;
LoadingProgress.IsVisible = true;
await LoadingProgress.ProgressTo(0.5, 100, Easing.CubicOut);
var html = @"
<!DOCTYPE html>
@@ -156,7 +223,14 @@ public partial class WebViewPage : ContentPage
</html>";
MainWebView.Source = new HtmlWebViewSource { Html = html };
StatusLabel.Text = "Loaded custom HTML";
// Complete progress
await LoadingProgress.ProgressTo(1.0, 100, Easing.CubicOut);
await Task.Delay(100);
LoadingProgress.IsVisible = false;
StatusLabel.Text = "Loaded demo HTML";
UrlEntry.Text = "about:demo";
}
private async void OnEvalJsClicked(object? sender, EventArgs e)