public override void OnConnectionStateChange(ABluetooth.BluetoothGatt gatt, ABluetooth.GattStatus status, ABluetooth.ProfileState newState)
{
System.Diagnostics.Debug.WriteLine($"ConnectionStateChanged {status}");
if (newState == ABluetooth.ProfileState.Connected)
{
_owner._connected = true;
_owner._connectedHandle.Set();
gatt.DiscoverServices();
}
}
public override void OnConnectionStateChange(ABluetooth.BluetoothGatt gatt, ABluetooth.GattStatus status, ABluetooth.ProfileState newState)
{
System.Diagnostics.Debug.WriteLine($"ConnectionStateChanged {status} {newState}");
_owner.ConnectionStateChanged?.Invoke(_owner, new ConnectionStateEventArgs {
Status = status, State = newState
});
if (newState == ABluetooth.ProfileState.Connected)
{
if (!_owner._servicesDiscovered)
{
gatt.DiscoverServices();
}
}
else
{
_owner.Device.OnGattServerDisconnected();
}
}
public ConnectionStateChangeEventArgs(bt.BluetoothGatt gatt, bt.GattStatus status, bt.ProfileState newState)
{
Gatt = gatt;
Status = status;
NewState = newState;
}
/// <summary>
/// 获取已配对列表
/// </summary>
public List <Util.XamariN.BluetoothDeviceInfo> GetBondedDevices()
{
if (this.mBluetoothIsEnabled == false)
{
throw new BluetoothException("蓝牙未开启");
}
BluetoothAdapter adapter = BluetoothAdapter.DefaultAdapter; //获取蓝牙
List <Util.XamariN.BluetoothDeviceInfo> r = new List <Util.XamariN.BluetoothDeviceInfo>();
foreach (BluetoothDevice item in adapter.BondedDevices)
{
string msg = "Name:{0}, MAC:{1}".FormatWith(item.Name, item.Address);
System.Diagnostics.Debug.WriteLine(msg);
r.Add
(
new Util.XamariN.BluetoothDeviceInfo
(
name: item.Name,
address: item.Address,
bluetoothDeviceType: (int)item.Type,
bluetoothBondState: (int)item.BondState
)
);
}
// 查看是否蓝牙是否连接到三种设备的一种，以此来判断是否处于连接状态还是打开并没有连接的状态
Android.Bluetooth.ProfileState a2dp = adapter.GetProfileConnectionState(ProfileType.A2dp); // 可操控蓝牙设备，如带播放暂停功能的蓝牙耳机
Android.Bluetooth.ProfileState headset = adapter.GetProfileConnectionState(ProfileType.Headset); // 蓝牙头戴式耳机，支持语音输入输出
Android.Bluetooth.ProfileState health = adapter.GetProfileConnectionState(ProfileType.Health); // 蓝牙穿戴式设备
if (a2dp == ProfileState.Connected)
{
BluetoothAdapter.DefaultAdapter.GetProfileProxy
(
context: mAppActivity.ApplicationContext,
listener: this,
profile: ProfileType.A2dp
);
}
if (headset == ProfileState.Connected)
{
BluetoothAdapter.DefaultAdapter.GetProfileProxy
(
context: mAppActivity.ApplicationContext,
listener: this,
profile: ProfileType.Headset
);
}
if (health == ProfileState.Connected)
{
BluetoothAdapter.DefaultAdapter.GetProfileProxy
(
context: mAppActivity.ApplicationContext,
listener: this,
profile: ProfileType.Health
);
}
return(r);
}
public override void OnConnectionStateChange(bt.BluetoothGatt gatt, [GeneratedEnum] bt.GattStatus status, [GeneratedEnum] bt.ProfileState newState)
{
base.OnConnectionStateChange(gatt, status, newState);
ConnectionStateChange?.Invoke(this, new ConnectionStateChangeEventArgs(gatt, status, newState));
if (!_servicesDiscovered)
{
gatt.DiscoverServices();
}
}