UsbDeviceConnection Class
Definition
Important
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This class is used for sending and receiving data and control messages to a USB device.
[Android.Runtime.Register("android/hardware/usb/UsbDeviceConnection", DoNotGenerateAcw=true)]
public class UsbDeviceConnection : Java.Lang.Object[<Android.Runtime.Register("android/hardware/usb/UsbDeviceConnection", DoNotGenerateAcw=true)>]
type UsbDeviceConnection = class
inherit Object- Inheritance
- Attributes
Remarks
This class is used for sending and receiving data and control messages to a USB device. Instances of this class are created by UsbManager#openDevice.
Java documentation for android.hardware.usb.UsbDeviceConnection.
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.
Constructors
| Name | Description |
|---|---|
| UsbDeviceConnection(IntPtr, JniHandleOwnership) |
A constructor used when creating managed representations of JNI objects; called by the runtime. |
Properties
| Name | Description |
|---|---|
| Class |
Returns the runtime class of this |
| FileDescriptor |
Returns the native file descriptor for the device, or -1 if the device is not opened. |
| Handle |
The handle to the underlying Android instance. (Inherited from Object) |
| JniIdentityHashCode |
Gets the identity hash code assigned to this Java peer by the interop runtime. (Inherited from Object) |
| JniManagedPeerState |
Gets the state flags last assigned by the runtime. (Inherited from JavaObject) |
| JniPeerMembers |
Gets the JNI metadata used to access members of this Java binding. |
| PeerReference |
Gets the JNI object reference for this Java peer. (Inherited from Object) |
| Serial |
Returns the serial number for the device. |
| ThresholdClass |
This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. |
| ThresholdType |
This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. |
Methods
| Name | Description |
|---|---|
| BulkTransfer(UsbEndpoint, Byte[], Int32, Int32, Int32) |
Performs a bulk transaction on the given endpoint. |
| BulkTransfer(UsbEndpoint, Byte[], Int32, Int32) |
Performs a bulk transaction on the given endpoint. |
| BulkTransferAsync(UsbEndpoint, Byte[], Int32, Int32, Int32) |
Runs a bulk transfer from the given buffer offset in a task. |
| BulkTransferAsync(UsbEndpoint, Byte[], Int32, Int32) |
Runs a bulk transfer on the given endpoint in a task. |
| ClaimInterface(UsbInterface, Boolean) |
Claims exclusive access to a |
| Clone() |
Creates and returns a copy of this object. (Inherited from Object) |
| Close() |
Releases all system resources related to the device. |
| Construct(JniObjectReference, JniObjectReferenceOptions) |
Delegates construction of this peer to the runtime's value manager. (Inherited from JavaObject) |
| ControlTransfer(UsbAddressing, Int32, Int32, Int32, Byte[], Int32, Int32, Int32) |
Performs a control transaction on endpoint zero for this device. |
| ControlTransfer(UsbAddressing, Int32, Int32, Int32, Byte[], Int32, Int32) |
Performs a control transaction on endpoint zero for this device. |
| ControlTransferAsync(UsbAddressing, Int32, Int32, Int32, Byte[], Int32, Int32, Int32) |
Runs a control transfer from the given buffer offset on the device's endpoint zero in a task. |
| ControlTransferAsync(UsbAddressing, Int32, Int32, Int32, Byte[], Int32, Int32) |
Runs a control transfer on the device's endpoint zero in a task. |
| Dispose() |
Releases the resources held by this Java peer. (Inherited from Object) |
| Dispose(Boolean) |
Releases the resources held by this Java peer. (Inherited from Object) |
| DisposeUnlessReferenced() |
Asks the value manager to dispose this peer unless its mapping retains this same managed instance. (Inherited from JavaObject) |
| Equals(Object) |
Tests whether another managed peer refers to the same Java object. (Inherited from JavaObject) |
| Equals(Object) |
Indicates whether some other object is "equal to" this one. (Inherited from Object) |
| GetHashCode() |
Returns a hash code value for the object. (Inherited from Object) |
| GetRawDescriptors() |
Returns the raw USB descriptors for the device. |
| JavaFinalize() |
Obsolete.
Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object) |
| Notify() |
Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object) |
| NotifyAll() |
Wakes up all threads that are waiting on this object's monitor. (Inherited from Object) |
| ReleaseInterface(UsbInterface) |
Releases exclusive access to a |
| RequestWait() |
Waits for the result of a |
| RequestWait(Int64) |
Waits for the result of a |
| RequestWaitAsync() |
Runs an indefinite wait for a queued USB request to complete in a task. |
| RequestWaitAsync(Int64) |
Runs a wait for a queued USB request to complete, with a timeout, in a task. |
| SetConfiguration(UsbConfiguration) |
Sets the device's current |
| SetHandle(IntPtr, JniHandleOwnership) |
Sets the Handle property. (Inherited from Object) |
| SetInterface(UsbInterface) |
Sets the current |
| SetPeerReference(JniObjectReference, JniObjectReferenceOptions) |
Stores a reference value in the control block without creating a JNI reference copy. (Inherited from JavaObject) |
| ToArray<T>() |
Creates a managed array from this Java array wrapper. (Inherited from Object) |
| ToString() |
Returns a string representation of the object. (Inherited from Object) |
| UnregisterFromRuntime() |
Unregisters this Java peer from the interop runtime. (Inherited from Object) |
| Wait() |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object) |
| Wait(Int64, Int32) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
| Wait(Int64) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
Explicit Interface Implementations
| Name | Description |
|---|---|
| IJavaPeerable.Disposed() |
Marks this peer as disposed and calls |
| IJavaPeerable.Finalized() |
Marks this peer as disposed and calls |
| IJavaPeerable.JniObjectReferenceControlBlock |
Gets the native control-block pointer used by this peer. (Inherited from JavaObject) |
| IJavaPeerable.SetJniIdentityHashCode(Int32) |
Stores the identity hash code supplied by the runtime. (Inherited from JavaObject) |
| IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) |
Replaces the stored managed peer state flags. (Inherited from JavaObject) |
| IJavaPeerable.SetPeerReference(JniObjectReference) |
Updates the peer reference and releases a disposed peer's control block when the reference is invalid. (Inherited from JavaObject) |
Extension Methods
| Name | Description |
|---|---|
| GetJniTypeName(IJavaPeerable) |
Gets the JNI name of the type of the instance |
| JavaAs<TResult>(IJavaPeerable) |
Try to coerce |
| JavaCast<TResult>(IJavaObject) |
Performs an Android runtime-checked type conversion. |
| JavaCast<TResult>(IJavaObject) |
Reuses a compatible managed peer or obtains a wrapper of the requested type. |
| TryJavaCast<TResult>(IJavaPeerable, TResult) |
Try to coerce |