FileUtils.Copy Method

Definition

Namespace:: Android.OS

Assembly:: Mono.Android.dll

Important

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Overloads

Name	Description
Copy(FileDescriptor, FileDescriptor)	Copy the contents of one FD to another.
Copy(Stream, Stream)	Copy the contents of one stream to another.
Copy(FileDescriptor, FileDescriptor, CancellationSignal, IExecutor, FileUtils+IProgressListener)	Copy the contents of one FD to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.
Copy(Stream, Stream, CancellationSignal, IExecutor, FileUtils+IProgressListener)	Copy the contents of one stream to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

Copy(FileDescriptor, FileDescriptor)

Copy the contents of one FD to another.

[Android.Runtime.Register("copy", "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;)J", "", ApiSince=29)]
public static long Copy(Java.IO.FileDescriptor in, Java.IO.FileDescriptor out);

[<Android.Runtime.Register("copy", "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;)J", "", ApiSince=29)>]
static member Copy : Java.IO.FileDescriptor * Java.IO.FileDescriptor -> int64

Parameters

in: FileDescriptor

The value cannot be null.

out: FileDescriptor

The value cannot be null.

Returns

Int64

number of bytes copied.

Attributes: RegisterAttribute

Remarks

Copy the contents of one FD to another.

Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

Java documentation for android.os.FileUtils.copy(java.io.FileDescriptor, java.io.FileDescriptor).

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

Copy(Stream, Stream)

Copy the contents of one stream to another.

[Android.Runtime.Register("copy", "(Ljava/io/InputStream;Ljava/io/OutputStream;)J", "", ApiSince=29)]
public static long Copy(System.IO.Stream in, System.IO.Stream out);

[<Android.Runtime.Register("copy", "(Ljava/io/InputStream;Ljava/io/OutputStream;)J", "", ApiSince=29)>]
static member Copy : System.IO.Stream * System.IO.Stream -> int64

Parameters

in: Stream

The value cannot be null.

out: Stream

The value cannot be null.

Returns

Int64

number of bytes copied.

Attributes: RegisterAttribute

Remarks

Copy the contents of one stream to another.

Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

Java documentation for android.os.FileUtils.copy(java.io.InputStream, java.io.OutputStream).

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

Copy(FileDescriptor, FileDescriptor, CancellationSignal, IExecutor, FileUtils+IProgressListener)

Copy the contents of one FD to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

[Android.Runtime.Register("copy", "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/os/FileUtils$ProgressListener;)J", "", ApiSince=29)]
public static long Copy(Java.IO.FileDescriptor in, Java.IO.FileDescriptor out, Android.OS.CancellationSignal? signal, Java.Util.Concurrent.IExecutor? executor, Android.OS.FileUtils.IProgressListener? listener);

[<Android.Runtime.Register("copy", "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/os/FileUtils$ProgressListener;)J", "", ApiSince=29)>]
static member Copy : Java.IO.FileDescriptor * Java.IO.FileDescriptor * Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.OS.FileUtils.IProgressListener -> int64

Parameters

in: FileDescriptor

The value cannot be null.

out: FileDescriptor

The value cannot be null.

signal: CancellationSignal

to signal if the copy should be cancelled early. The value may be null.

executor: IExecutor

that listener events should be delivered via. The value may be null.

listener: FileUtils.IProgressListener

to be periodically notified as the copy progresses. The value may be null.

Returns

Int64

number of bytes copied.

Attributes: RegisterAttribute

Remarks

Copy the contents of one FD to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

Java documentation for android.os.FileUtils.copy(java.io.FileDescriptor, java.io.FileDescriptor, android.os.CancellationSignal, java.util.concurrent.Executor, android.os.FileUtils.ProgressListener).

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

Copy(Stream, Stream, CancellationSignal, IExecutor, FileUtils+IProgressListener)

Copy the contents of one stream to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

[Android.Runtime.Register("copy", "(Ljava/io/InputStream;Ljava/io/OutputStream;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/os/FileUtils$ProgressListener;)J", "", ApiSince=29)]
public static long Copy(System.IO.Stream in, System.IO.Stream out, Android.OS.CancellationSignal? signal, Java.Util.Concurrent.IExecutor? executor, Android.OS.FileUtils.IProgressListener? listener);

[<Android.Runtime.Register("copy", "(Ljava/io/InputStream;Ljava/io/OutputStream;Landroid/os/CancellationSignal;Ljava/util/concurrent/Executor;Landroid/os/FileUtils$ProgressListener;)J", "", ApiSince=29)>]
static member Copy : System.IO.Stream * System.IO.Stream * Android.OS.CancellationSignal * Java.Util.Concurrent.IExecutor * Android.OS.FileUtils.IProgressListener -> int64

Parameters

in: Stream

The value cannot be null.

out: Stream

The value cannot be null.

signal: CancellationSignal

to signal if the copy should be cancelled early. The value may be null.

executor: IExecutor

that listener events should be delivered via. The value may be null.

listener: FileUtils.IProgressListener

to be periodically notified as the copy progresses. The value may be null.

Returns

Int64

number of bytes copied.

Attributes: RegisterAttribute

Remarks

Copy the contents of one stream to another. Attempts to use several optimization strategies to copy the data in the kernel before falling back to a userspace copy as a last resort.

Java documentation for android.os.FileUtils.copy(java.io.InputStream, java.io.OutputStream, android.os.CancellationSignal, java.util.concurrent.Executor, android.os.FileUtils.ProgressListener).

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