ContentResolver.LoadThumbnail(Uri, Size, CancellationSignal) Method
Definition
Important
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Convenience method that efficiently loads a visual thumbnail for the
given Uri.
[Android.Runtime.Register("loadThumbnail", "(Landroid/net/Uri;Landroid/util/Size;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "GetLoadThumbnail_Landroid_net_Uri_Landroid_util_Size_Landroid_os_CancellationSignal_Handler", ApiSince=29)]
public virtual Android.Graphics.Bitmap LoadThumbnail (Android.Net.Uri uri, Android.Util.Size size, Android.OS.CancellationSignal? signal);[<Android.Runtime.Register("loadThumbnail", "(Landroid/net/Uri;Landroid/util/Size;Landroid/os/CancellationSignal;)Landroid/graphics/Bitmap;", "GetLoadThumbnail_Landroid_net_Uri_Landroid_util_Size_Landroid_os_CancellationSignal_Handler", ApiSince=29)>]
abstract member LoadThumbnail : Android.Net.Uri * Android.Util.Size * Android.OS.CancellationSignal -> Android.Graphics.Bitmap
override this.LoadThumbnail : Android.Net.Uri * Android.Util.Size * Android.OS.CancellationSignal -> Android.Graphics.BitmapParameters
- uri
- Uri
The item that should be visualized as a thumbnail.
- size
- Size
The target area on the screen where this thumbnail will be
shown. This is passed to the provider as #EXTRA_SIZE
to help it avoid downloading or generating heavy resources.
- signal
- CancellationSignal
A signal to cancel the operation in progress.
Returns
Valid Bitmap which is a visual thumbnail.
- Attributes
Remarks
Convenience method that efficiently loads a visual thumbnail for the given Uri. Internally calls ContentProvider#openTypedAssetFile on the remote provider, but also defensively resizes any returned content to match the requested target size.
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.