static Task <ScreenshotResult> PlatformCaptureAsync()
{
if (Platform.WindowManager?.DefaultDisplay?.Flags.HasFlag(DisplayFlags.Secure) == true)
{
throw new UnauthorizedAccessException("Unable to take a screenshot of a secure window.");
}
var view = Platform.GetCurrentActivity(true)?.Window?.DecorView?.RootView;
if (view == null)
{
throw new NullReferenceException("Unable to find the main window.");
}
var bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
using (var canvas = new Canvas(bitmap))
{
var drawable = view.Background;
if (drawable != null)
{
drawable.Draw(canvas);
}
else
{
canvas.DrawColor(Color.White);
}
view.Draw(canvas);
}
var result = new ScreenshotResult(bitmap);
return(Task.FromResult(result));
}
static async Task <FileResult> PlatformCaptureAsync(MediaPickerOptions options, bool photo)
{
await Permissions.EnsureGrantedAsync <Permissions.Camera>();
await Permissions.EnsureGrantedAsync <Permissions.StorageWrite>();
var capturePhotoIntent = new Intent(photo ? MediaStore.ActionImageCapture : MediaStore.ActionVideoCapture);
if (!Platform.IsIntentSupported(capturePhotoIntent))
{
throw new FeatureNotSupportedException($"Either there was no camera on the device or '{capturePhotoIntent.Action}' was not added to the <queries> element in the app's manifest file. See more: https://developer.android.com/about/versions/11/privacy/package-visibility");
}
capturePhotoIntent.AddFlags(ActivityFlags.GrantReadUriPermission);
capturePhotoIntent.AddFlags(ActivityFlags.GrantWriteUriPermission);
try
{
var activity = Platform.GetCurrentActivity(true);
// Create the temporary file
var ext = photo
? FileSystem.Extensions.Jpg
: FileSystem.Extensions.Mp4;
var fileName = Guid.NewGuid().ToString("N") + ext;
var tmpFile = FileSystem.GetEssentialsTemporaryFile(Platform.AppContext.CacheDir, fileName);
// Set up the content:// uri
AndroidUri outputUri = null;
void OnCreate(Intent intent)
{
// Android requires that using a file provider to get a content:// uri for a file to be called
// from within the context of the actual activity which may share that uri with another intent
// it launches.
outputUri ??= FileProvider.GetUriForFile(tmpFile);
intent.PutExtra(MediaStore.ExtraOutput, outputUri);
}
// Start the capture process
await IntermediateActivity.StartAsync(capturePhotoIntent, Platform.requestCodeMediaCapture, OnCreate);
// Return the file that we just captured
return(new FileResult(tmpFile.AbsolutePath));
}
catch (OperationCanceledException)
{
return(null);
}
}
static Task <ScreenshotResult> PlatformCaptureAsync()
{
if (Platform.WindowManager?.DefaultDisplay?.Flags.HasFlag(DisplayFlags.Secure) == true)
{
throw new UnauthorizedAccessException("Unable to take a screenshot of a secure window.");
}
var view = Platform.GetCurrentActivity(true)?.Window?.DecorView?.RootView;
if (view == null)
{
throw new NullReferenceException("Unable to find the main window.");
}
var result = new ScreenshotResult(view.Render());
return(Task.FromResult(result));
}
static void PlatformShowSettingsUI()
{
var context = Platform.GetCurrentActivity(false) ?? Platform.AppContext;
var settingsIntent = new Intent();
settingsIntent.SetAction(global::Android.Provider.Settings.ActionApplicationDetailsSettings);
settingsIntent.AddCategory(Intent.CategoryDefault);
settingsIntent.SetData(global::Android.Net.Uri.Parse("package:" + PlatformGetPackageName()));
var flags = ActivityFlags.NewTask | ActivityFlags.NoHistory | ActivityFlags.ExcludeFromRecents;
#if __ANDROID_24__
if (Platform.HasApiLevelN)
{
flags |= ActivityFlags.LaunchAdjacent;
}
#endif
settingsIntent.SetFlags(flags);
context.StartActivity(settingsIntent);
}
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 <bool> PlatformOpenAsync(Uri uri, BrowserLaunchOptions options)
{
var nativeUri = AndroidUri.Parse(uri.AbsoluteUri);
switch (options.LaunchMode)
{
case BrowserLaunchMode.SystemPreferred:
var tabsBuilder = new CustomTabsIntent.Builder();
tabsBuilder.SetShowTitle(true);
if (options.PreferredToolbarColor.HasValue)
#pragma warning disable CS0618 // Type or member is obsolete
{
tabsBuilder.SetToolbarColor(options.PreferredToolbarColor.Value.ToInt());
}
#pragma warning restore CS0618 // Type or member is obsolete
if (options.TitleMode != BrowserTitleMode.Default)
{
tabsBuilder.SetShowTitle(options.TitleMode == BrowserTitleMode.Show);
}
var tabsIntent = tabsBuilder.Build();
ActivityFlags?tabsFlags = null;
Context context = Platform.GetCurrentActivity(false);
if (context == null)
{
context = Platform.AppContext;
// If using ApplicationContext we need to set ClearTop/NewTask (See #225)
tabsFlags = ActivityFlags.ClearTop | ActivityFlags.NewTask;
}
#if __ANDROID_24__
if (Platform.HasApiLevelN && options.HasFlag(BrowserLaunchFlags.LaunchAdjacent))
{
if (tabsFlags.HasValue)
{
tabsFlags |= ActivityFlags.LaunchAdjacent | ActivityFlags.NewTask;
}
else
{
tabsFlags = ActivityFlags.LaunchAdjacent | ActivityFlags.NewTask;
}
}
#endif
// Check if there's flags specified to use
if (tabsFlags.HasValue)
{
tabsIntent.Intent.SetFlags(tabsFlags.Value);
}
tabsIntent.LaunchUrl(context, nativeUri);
break;
case BrowserLaunchMode.External:
var intent = new Intent(Intent.ActionView, nativeUri);
var flags = ActivityFlags.ClearTop | ActivityFlags.NewTask;
#if __ANDROID_24__
if (Platform.HasApiLevelN && options.HasFlag(BrowserLaunchFlags.LaunchAdjacent))
{
flags |= ActivityFlags.LaunchAdjacent;
}
#endif
intent.SetFlags(flags);
if (!Platform.IsIntentSupported(intent))
{
throw new FeatureNotSupportedException();
}
Platform.AppContext.StartActivity(intent);
break;
}
return(Task.FromResult(true));
}