DocumentsContract.GetDocumentThumbnail Method

Reference

Definition

Namespace:: Android.Provider

Assembly:: Mono.Android.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Return thumbnail representing the document at the given URI.

[Android.Runtime.Register("getDocumentThumbnail", "(Landroid/content/ContentResolver;Landroid/net/Uri;Landroid/graphics/Point;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "")]
public static Android.Graphics.Bitmap? GetDocumentThumbnail (Android.Content.ContentResolver content, Android.Net.Uri documentUri, Android.Graphics.Point size, Android.OS.CancellationSignal? signal);

[<Android.Runtime.Register("getDocumentThumbnail", "(Landroid/content/ContentResolver;Landroid/net/Uri;Landroid/graphics/Point;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "")>]
static member GetDocumentThumbnail : Android.Content.ContentResolver * Android.Net.Uri * Android.Graphics.Point * Android.OS.CancellationSignal -> Android.Graphics.Bitmap

Parameters

content: ContentResolver

documentUri: Uri

document to return thumbnail for, which must have Document#FLAG_SUPPORTS_THUMBNAIL set.

size: Point

optimal thumbnail size desired. A provider may return a thumbnail of a different size, but never more than double the requested size.

signal: CancellationSignal

signal used to indicate if caller is no longer interested in the thumbnail.

Returns

Bitmap

decoded thumbnail, or null if problem was encountered.

Attributes: RegisterAttribute

Remarks

Return thumbnail representing the document at the given URI. Callers are responsible for their own in-memory caching.

Java documentation for android.provider.DocumentsContract.getDocumentThumbnail(android.content.ContentResolver, android.net.Uri, android.graphics.Point, android.os.CancellationSignal).

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

Share via