private Task <WebAuthenticatorResult> AuthenticateAsync(Uri url, Uri callbackUrl)
{
if (_tcs?.Task != null && !_tcs.Task.IsCompleted)
{
_tcs.TrySetCanceled();
}
_tcs = new TaskCompletionSource <WebAuthenticatorResult>();
_tcs.Task.ContinueWith(t =>
{
// Cleanup when done
if (_customTabs != null)
{
_customTabs.CustomTabsServiceConnected -= CustomTabsActivityManager_CustomTabsServiceConnected;
try
{
_customTabs?.Client?.Dispose();
}
finally
{
_customTabs = null;
}
}
});
_uri = url;
_customTabs = CustomTabsActivityManager.From(Platform.CurrentActivity);
_customTabs.CustomTabsServiceConnected += CustomTabsActivityManager_CustomTabsServiceConnected;
if (!_customTabs.BindService())
{
// Fall back to opening the system browser if necessary
var browserIntent = new Intent(Intent.ActionView, global::Android.Net.Uri.Parse(url.OriginalString));
Platform.CurrentActivity.StartActivity(browserIntent);
}
return(_tcs.Task);
}
static async Task <bool> StartCustomTabsActivity(Uri url)
{
// Is only set to true if BindServiceAsync succeeds and no exceptions are thrown
var success = false;
var parentActivity = Platform.GetCurrentActivity(true);
var customTabsActivityManager = CustomTabsActivityManager.From(parentActivity);
try
{
if (await BindServiceAsync(customTabsActivityManager))
{
var customTabsIntent = new CustomTabsIntent.Builder(customTabsActivityManager.Session)
.SetShowTitle(true)
.Build();
customTabsIntent.Intent.SetData(global::Android.Net.Uri.Parse(url.OriginalString));
if (customTabsIntent.Intent.ResolveActivity(parentActivity.PackageManager) != null)
{
WebAuthenticatorIntermediateActivity.StartActivity(parentActivity, customTabsIntent.Intent);
success = true;
}
}
}
finally
{
try
{
customTabsActivityManager.Client?.Dispose();
}
finally
{
}
}
return(success);
}
public static void Init(Activity activity)
{
if (isInitialised)
{
return;
}
OnLaunchRequested += (uri, accentColour) =>
{
var manager = CustomTabsActivityManager.From(activity);
manager.CustomTabsServiceConnected += customTabServiceConnected;
if (!manager.BindService())
{
// Fall back to opening the system browser if necessary
var browserIntent = new Intent(Intent.ActionView, Android.Net.Uri.Parse(uri));
activity.StartActivity(browserIntent);
}
void customTabServiceConnected(ComponentName name, CustomTabsClient client)
{
manager.CustomTabsServiceConnected -= customTabServiceConnected;
var intent = new CustomTabsIntent.Builder()
.SetDefaultColorSchemeParams(new CustomTabColorSchemeParams.Builder()
.SetToolbarColor(accentColour)
.SetNavigationBarColor(accentColour)
.Build())
.Build();
intent.Intent.AddFlags(ActivityFlags.SingleTop | ActivityFlags.NoHistory | ActivityFlags.NewTask);
CustomTabsHelper.AddKeepAliveExtra(activity, intent.Intent);
intent.LaunchUrl(activity, Android.Net.Uri.Parse(uri));
}
};
isInitialised = true;
}
}
static async Task <WebAuthenticatorResult> PlatformAuthenticateAsync(WebAuthenticatorOptions webAuthenticatorOptions)
{
var url = webAuthenticatorOptions?.Url;
var callbackUrl = webAuthenticatorOptions?.CallbackUrl;
var packageName = Platform.AppContext.PackageName;
// Create an intent to see if the app developer wired up the callback activity correctly
var intent = new Intent(Intent.ActionView);
intent.AddCategory(Intent.CategoryBrowsable);
intent.AddCategory(Intent.CategoryDefault);
intent.SetPackage(packageName);
intent.SetData(global::Android.Net.Uri.Parse(callbackUrl.OriginalString));
// Try to find the activity for the callback intent
if (!Platform.IsIntentSupported(intent, packageName))
{
throw new InvalidOperationException($"You must subclass the `{nameof(WebAuthenticatorCallbackActivity)}` and create an IntentFilter for it which matches your `{nameof(callbackUrl)}`.");
}
// Cancel any previous task that's still pending
if (tcsResponse?.Task != null && !tcsResponse.Task.IsCompleted)
{
tcsResponse.TrySetCanceled();
}
tcsResponse = new TaskCompletionSource <WebAuthenticatorResult>();
currentRedirectUri = callbackUrl;
var parentActivity = Platform.GetCurrentActivity(true);
var customTabsActivityManager = CustomTabsActivityManager.From(parentActivity);
try
{
if (await BindServiceAsync(customTabsActivityManager))
{
var customTabsIntent = new CustomTabsIntent.Builder(customTabsActivityManager.Session)
.SetShowTitle(true)
.Build();
customTabsIntent.Intent.SetData(global::Android.Net.Uri.Parse(url.OriginalString));
WebAuthenticatorIntermediateActivity.StartActivity(parentActivity, customTabsIntent.Intent);
}
else
{
// Fall back to opening the system browser if necessary
var browserIntent = new Intent(Intent.ActionView, global::Android.Net.Uri.Parse(url.OriginalString));
Platform.CurrentActivity.StartActivity(browserIntent);
}
return(await tcsResponse.Task);
}
finally
{
try
{
customTabsActivityManager.Client?.Dispose();
}
finally
{
}
}
}
static Task <WebAuthenticatorResult> PlatformAuthenticateAsync(Uri url, Uri callbackUrl)
{
var packageName = Platform.AppContext.PackageName;
// Create an intent to see if the app developer wired up the callback activity correctly
var intent = new Intent(Intent.ActionView);
intent.AddCategory(Intent.CategoryBrowsable);
intent.AddCategory(Intent.CategoryDefault);
intent.SetPackage(packageName);
intent.SetData(global::Android.Net.Uri.Parse(callbackUrl.OriginalString));
// Try to find the activity for the callback intent
var c = intent.ResolveActivity(Platform.AppContext.PackageManager);
if (c == null || c.PackageName != packageName)
{
throw new InvalidOperationException($"You must subclass the `{nameof(WebAuthenticatorCallbackActivity)}` and create an IntentFilter for it which matches your `{nameof(callbackUrl)}`.");
}
// Cancel any previous task that's still pending
if (tcsResponse?.Task != null && !tcsResponse.Task.IsCompleted)
{
tcsResponse.TrySetCanceled();
}
tcsResponse = new TaskCompletionSource <WebAuthenticatorResult>();
tcsResponse.Task.ContinueWith(t =>
{
// Cleanup when done
if (CustomTabsActivityManager != null)
{
CustomTabsActivityManager.NavigationEvent -= CustomTabsActivityManager_NavigationEvent;
CustomTabsActivityManager.CustomTabsServiceConnected -= CustomTabsActivityManager_CustomTabsServiceConnected;
try
{
CustomTabsActivityManager?.Client?.Dispose();
}
finally
{
CustomTabsActivityManager = null;
}
}
});
uri = url;
RedirectUri = callbackUrl;
CustomTabsActivityManager = CustomTabsActivityManager.From(Platform.GetCurrentActivity(true));
CustomTabsActivityManager.NavigationEvent += CustomTabsActivityManager_NavigationEvent;
CustomTabsActivityManager.CustomTabsServiceConnected += CustomTabsActivityManager_CustomTabsServiceConnected;
if (!CustomTabsActivityManager.BindService())
{
// Fall back to opening the system browser if necessary
var browserIntent = new Intent(Intent.ActionView, global::Android.Net.Uri.Parse(url.OriginalString));
Platform.CurrentActivity.StartActivity(browserIntent);
}
return(WebAuthenticator.ResponseTask);
}