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Add missing Nullable annotations to UsbDeviceConnection.controlTransfer.

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The Javadoc already states that 'buffer' can be null.

Test: N/A, no functional change.
Change-Id: I55634f58a7f2aa4f6c0b8157798e2ade27cf75dc
This commit is contained in:
Mateus Azis
2023-01-11 09:39:20 -08:00
parent 2051907ae1
commit 52d8237103
2 changed files with 4 additions and 4 deletions
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4
core/api/current.txt
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@@ -18727,8 +18727,8 @@ package android.hardware.usb {
method public int bulkTransfer(android.hardware.usb.UsbEndpoint, byte[], int, int, int);
method public boolean claimInterface(android.hardware.usb.UsbInterface, boolean);
method public void close();
method public int controlTransfer(int, int, int, int, byte[], int, int);
method public int controlTransfer(int, int, int, int, byte[], int, int, int);
method public int controlTransfer(int, int, int, int, @Nullable byte[], int, int);
method public int controlTransfer(int, int, int, int, @Nullable byte[], int, int, int);
method public int getFileDescriptor();
method public byte[] getRawDescriptors();
method public String getSerial();

4
core/java/android/hardware/usb/UsbDeviceConnection.java
View File

@@ -238,7 +238,7 @@ public class UsbDeviceConnection {
* or negative value for failure
*/
public int controlTransfer(int requestType, int request, int value,
int index, byte[] buffer, int length, int timeout) {
int index, @Nullable byte[] buffer, int length, int timeout) {
return controlTransfer(requestType, request, value, index, buffer, 0, length, timeout);
}
@@ -263,7 +263,7 @@ public class UsbDeviceConnection {
* or negative value for failure
*/
public int controlTransfer(int requestType, int request, int value, int index,
byte[] buffer, int offset, int length, int timeout) {
@Nullable byte[] buffer, int offset, int length, int timeout) {
checkBounds(buffer, offset, length);
return native_control_request(requestType, request, value, index,
buffer, offset, length, timeout);