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ProxyFileDescriptorCallback.OnRead(Int64, Int32, Byte[]) Method

Definition

Provides bytes read from file descriptor.

[Android.Runtime.Register("onRead", "(JI[B)I", "GetOnRead_JIarrayBHandler", ApiSince=26)]
public virtual int OnRead (long offset, int size, byte[]? data);
[<Android.Runtime.Register("onRead", "(JI[B)I", "GetOnRead_JIarrayBHandler", ApiSince=26)>]
abstract member OnRead : int64 * int * byte[] -> int
override this.OnRead : int64 * int * byte[] -> int

Parameters

offset
Int64

Offset in bytes from the file head specifying where to read bytes. If a seek operation is conducted on the file descriptor, then a read operation is requested, the offset refrects the proper position of requested bytes.

size
Int32

Size for read bytes.

data
Byte[]

Byte array to store read bytes.

Returns

Size of bytes returned by the function.

Attributes

Remarks

Provides bytes read from file descriptor. It needs to return exact requested size of bytes unless it reaches file end.

Java documentation for android.os.ProxyFileDescriptorCallback.onRead(long, int, byte[]).

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