Add more documentation for LE CoC (3b28545b) · Commits · e / os / android_packages_modules_Bluetooth

framework/java/android/bluetooth/BluetoothDevice.java

+2 −1

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		@@ -55,7 +55,8 @@ import java.util.UUID;
		* returned by {@link BluetoothAdapter#getBondedDevices()
		* BluetoothAdapter.getBondedDevices()}. You can then open a
		* {@link BluetoothSocket} for communication with the remote device, using
		* {@link #createRfcommSocketToServiceRecord(UUID)}.
		* {@link #createRfcommSocketToServiceRecord(UUID)} over Bluetooth BR/EDR or using
		* {@link #createL2capChannel(int)} over Bluetooth LE.
		*
		* <p class="note"><strong>Note:</strong>
		* Requires the {@link android.Manifest.permission#BLUETOOTH} permission.

framework/java/android/bluetooth/BluetoothServerSocket.java

+21 −14

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		@@ -35,21 +35,28 @@ import java.io.IOException;
		* On the client side, use a single {@link BluetoothSocket} to both initiate
		* an outgoing connection and to manage the connection.
		*
		* <p>The most common type of Bluetooth socket is RFCOMM, which is the type
		* supported by the Android APIs. RFCOMM is a connection-oriented, streaming
		* transport over Bluetooth. It is also known as the Serial Port Profile (SPP).
		* <p>For Bluetooth BR/EDR, the most common type of socket is RFCOMM, which is the type supported by
		* the Android APIs. RFCOMM is a connection-oriented, streaming transport over Bluetooth BR/EDR. It
		* is also known as the Serial Port Profile (SPP). To create a listening
		* {@link BluetoothServerSocket} that's ready for incoming Bluetooth BR/EDR connections, use {@link
		* BluetoothAdapter#listenUsingRfcommWithServiceRecord
		* BluetoothAdapter.listenUsingRfcommWithServiceRecord()}.
		*
		* <p>To create a listening {@link BluetoothServerSocket} that's ready for
		* incoming connections, use
		* {@link BluetoothAdapter#listenUsingRfcommWithServiceRecord
		* BluetoothAdapter.listenUsingRfcommWithServiceRecord()}. Then call
		* {@link #accept()} to listen for incoming connection requests. This call
		* will block until a connection is established, at which point, it will return
		* a {@link BluetoothSocket} to manage the connection. Once the {@link
		* BluetoothSocket} is acquired, it's a good idea to call {@link #close()} on
		* the {@link BluetoothServerSocket} when it's no longer needed for accepting
		* connections. Closing the {@link BluetoothServerSocket} will <em>not</em>
		* close the returned {@link BluetoothSocket}.
		* <p>For Bluetooth LE, the socket uses LE Connection-oriented Channel (CoC). LE CoC is a
		* connection-oriented, streaming transport over Bluetooth LE and has a credit-based flow control.
		* Correspondingly, use {@link BluetoothAdapter#listenUsingL2capChannel
		* BluetoothAdapter.listenUsingL2capChannel()} to create a listening {@link BluetoothServerSocket}
		* that's ready for incoming Bluetooth LE CoC connections. For LE CoC, you can use {@link #getPsm()}
		* to get the protocol/service multiplexer (PSM) value that the peer needs to use to connect to your
		* socket.
		*
		* <p> After the listening {@link BluetoothServerSocket} is created, call {@link #accept()} to
		* listen for incoming connection requests. This call will block until a connection is established,
		* at which point, it will return a {@link BluetoothSocket} to manage the connection. Once the
		* {@link BluetoothSocket} is acquired, it's a good idea to call {@link #close()} on the {@link
		* BluetoothServerSocket} when it's no longer needed for accepting
		* connections. Closing the {@link BluetoothServerSocket} will <em>not</em> close the returned
		* {@link BluetoothSocket}.
		*
		* <p>{@link BluetoothServerSocket} is thread
		* safe. In particular, {@link #close} will always immediately abort ongoing