ThumbnailUtils.CreateVideoThumbnailAsync Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| CreateVideoThumbnailAsync(File, Size, CancellationSignal) |
Runs file-based video-thumbnail generation as a background task. |
| CreateVideoThumbnailAsync(String, ThumbnailKind) |
Runs path-based video-thumbnail generation as a background task. |
CreateVideoThumbnailAsync(File, Size, CancellationSignal)
Runs file-based video-thumbnail generation as a background task.
public static System.Threading.Tasks.Task<Android.Graphics.Bitmap> CreateVideoThumbnailAsync(Java.IO.File file, Android.Util.Size size, Android.OS.CancellationSignal? signal);static member CreateVideoThumbnailAsync : Java.IO.File * Android.Util.Size * Android.OS.CancellationSignal -> System.Threading.Tasks.Task<Android.Graphics.Bitmap>Parameters
- file
- File
The video file to pass to the synchronous thumbnail operation.
- size
- Size
The requested thumbnail dimensions.
- signal
- CancellationSignal
An optional cancellation signal forwarded to the thumbnail operation.
Returns
A task whose result is a thumbnail from embedded artwork or a representative video frame.
Remarks
The synchronous operation runs through Task.Run. The supplied Android cancellation signal is forwarded to that operation; it is not a cancellation token for scheduling the task.
Applies to
CreateVideoThumbnailAsync(String, ThumbnailKind)
Runs path-based video-thumbnail generation as a background task.
public static System.Threading.Tasks.Task<Android.Graphics.Bitmap?> CreateVideoThumbnailAsync(string filePath, Android.Provider.ThumbnailKind kind);static member CreateVideoThumbnailAsync : string * Android.Provider.ThumbnailKind -> System.Threading.Tasks.Task<Android.Graphics.Bitmap>Parameters
- filePath
- String
The path of the video file used to generate the thumbnail.
- kind
- ThumbnailKind
The legacy thumbnail-size selector.
Returns
A task whose result is the video thumbnail, or null when the synchronous operation encounters an I/O failure.
Remarks
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.