DocumentsProvider.OpenAssetFile Method
Definition
Important
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Overloads
| OpenAssetFile(Uri, String) |
Implementation is provided by the parent class. |
| OpenAssetFile(Uri, String, CancellationSignal) |
Implementation is provided by the parent class. |
OpenAssetFile(Uri, String)
Implementation is provided by the parent class.
[Android.Runtime.Register("openAssetFile", "(Landroid/net/Uri;Ljava/lang/String;)Landroid/content/res/AssetFileDescriptor;", "")]
public override sealed Android.Content.Res.AssetFileDescriptor? OpenAssetFile (Android.Net.Uri? uri, string? mode);[<Android.Runtime.Register("openAssetFile", "(Landroid/net/Uri;Ljava/lang/String;)Landroid/content/res/AssetFileDescriptor;", "")>]
override this.OpenAssetFile : Android.Net.Uri * string -> Android.Content.Res.AssetFileDescriptorParameters
- uri
- Uri
The URI whose file is to be opened.
- mode
- String
Access mode for the file. May be "r" for read-only access, "w" for write-only access (erasing whatever data is currently in the file), "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing data, and "rwt" for read and write access that truncates any existing file.
Returns
- Attributes
Exceptions
Remarks
Implementation is provided by the parent class. Cannot be overridden.
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.
See also
- <xref:Android.Provider.DocumentsProvider.OpenDocument(System.String%2c+System.String%2c+System.String)>
Applies to
OpenAssetFile(Uri, String, CancellationSignal)
Implementation is provided by the parent class.
[Android.Runtime.Register("openAssetFile", "(Landroid/net/Uri;Ljava/lang/String;Landroid/os/CancellationSignal;)Landroid/content/res/AssetFileDescriptor;", "")]
public override sealed Android.Content.Res.AssetFileDescriptor? OpenAssetFile (Android.Net.Uri? uri, string? mode, Android.OS.CancellationSignal? signal);[<Android.Runtime.Register("openAssetFile", "(Landroid/net/Uri;Ljava/lang/String;Landroid/os/CancellationSignal;)Landroid/content/res/AssetFileDescriptor;", "")>]
override this.OpenAssetFile : Android.Net.Uri * string * Android.OS.CancellationSignal -> Android.Content.Res.AssetFileDescriptorParameters
- uri
- Uri
The URI whose file is to be opened.
- mode
- String
Access mode for the file. May be "r" for read-only access, "w" for write-only access (erasing whatever data is currently in the file), "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing data, and "rwt" for read and write access that truncates any existing file.
- signal
- CancellationSignal
A signal to cancel the operation in progress, or
null if none. For example, if you are downloading a
file from the network to service a "rw" mode request, you
should periodically call
ThrowIfCanceled() to check whether
the client has canceled the request and abort the download.
Returns
- Attributes
Exceptions
Remarks
Implementation is provided by the parent class. Cannot be overridden.
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.
See also
- <xref:Android.Provider.DocumentsProvider.OpenDocument(System.String%2c+System.String%2c+System.String)>