Android蓝牙4.0API内容-接口-BluetoothProfile
Public APIs for the Bluetooth Profiles配置文件.
Clients should call getProfileProxy(Context, BluetoothProfile.ServiceListener, int), to get the Profile Proxy代理. Each public profile implements this interface.
关于getProfileProxy方法
Get the profile proxy object associated交互 with the profile.
Profile can be one of HEALTH, HEADSET, A2DP, GATT, or GATT_SERVER. Clients must implement BluetoothProfile.ServiceListener to get notified 通知of the connection status and to get the proxy object.
方法中的参数
context Context: Context of the application
listener BluetoothProfile.ServiceListener: The service Listener for connection callbacks.
profile int: The Bluetooth profile; either HEALTH, HEADSET, A2DP. GATT or GATT_SERVER.
返回值类型为boolean
BluetoothProfile.ServiceListener接口描述
An interface for notifying BluetoothProfile IPC clients when they have been connected or disconnected to the service.
通知链接状态
其中的两个方法：1.public abstract vois onServiceConected(int profile,BluetoothProfile proxy)
profile int: - One of HEALTH, HEADSET or A2DP
proxy BluetoothProfile: - One of BluetoothHealth, BluetoothHeadset or BluetoothA2dp
2.public abstract void onServiceDIsConected(int profile)
profile int: - One of HEALTH, HEADSET or A2DP
常量：
String EXTRA_PREVIOUS_STATE
String EXTRA_STATE
int A2DP 蓝牙音频协议
int GATT
int GATT_SERVER
int HEADSET 协议类型
int HEALTH 协议类型
int SAP
int STATE_CONNECTED 链接状态
int STATE_CONNECTING 连接中
int STATE_DISCONNECTED
int STATE_DISCONNECTING
公有的方法
abstract List<BluetoothDevice> getConnectedDevices()
Get the current connection state of the profile
Requires BLUETOOTH permission.
abstratct List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states)
Get a list of devices that match any of the given connection states.获取目标链接状态的设备列表