ThumbnailUtils.CreateImageThumbnail Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| CreateImageThumbnail(String, ThumbnailKind) |
Create a thumbnail for given image file. |
| CreateImageThumbnail(File, Size, CancellationSignal) |
Create a thumbnail for given image file. |
CreateImageThumbnail(String, ThumbnailKind)
Create a thumbnail for given image file.
[Android.Runtime.Register("createImageThumbnail", "(Ljava/lang/String;I)Landroid/graphics/Bitmap;", "", ApiSince=29)]
public static Android.Graphics.Bitmap? CreateImageThumbnail(string filePath, Android.Provider.ThumbnailKind kind);[<Android.Runtime.Register("createImageThumbnail", "(Ljava/lang/String;I)Landroid/graphics/Bitmap;", "", ApiSince=29)>]
static member CreateImageThumbnail : string * Android.Provider.ThumbnailKind -> Android.Graphics.BitmapParameters
- filePath
- String
The image file.
- kind
- ThumbnailKind
The desired thumbnail kind, such as
android.provider.MediaStore.Images.Thumbnails#MINI_KIND.
Returns
The image thumbnail bitmap, or null when thumbnail generation encounters an I/O failure.
- Attributes
Remarks
Create a thumbnail for given image file.
This member is deprecated. Callers should migrate to using #createImageThumbnail(File, Size, CancellationSignal), as it offers more control over resizing and cancellation.
Java documentation for android.media.ThumbnailUtils.createImageThumbnail(java.lang.String, int).
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.
Applies to
CreateImageThumbnail(File, Size, CancellationSignal)
Create a thumbnail for given image file.
[Android.Runtime.Register("createImageThumbnail", "(Ljava/io/File;Landroid/util/Size;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "", ApiSince=29)]
public static Android.Graphics.Bitmap CreateImageThumbnail(Java.IO.File file, Android.Util.Size size, Android.OS.CancellationSignal? signal);[<Android.Runtime.Register("createImageThumbnail", "(Ljava/io/File;Landroid/util/Size;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "", ApiSince=29)>]
static member CreateImageThumbnail : Java.IO.File * Android.Util.Size * Android.OS.CancellationSignal -> Android.Graphics.BitmapParameters
- file
- File
The image file.
- size
- Size
The desired thumbnail size.
- signal
- CancellationSignal
An optional signal checked for cancellation during image-thumbnail generation.
Returns
The thumbnail bitmap decoded or retrieved from the image file.
- Attributes
Remarks
Create a thumbnail for given image file.
This method should only be used for files that you have direct access to; if you'd like to work with media hosted outside your app, consider using ContentResolver#loadThumbnail(Uri, Size, CancellationSignal) which enables remote providers to efficiently cache and invalidate thumbnails.
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.