import com.connectsdk.device.ConnectableDeviceListener; //导入依赖的package包/类
@Override
public void onPairingRequired(ConnectableDevice device, DeviceService service, DeviceService.PairingType pairingType) {
    switch (pairingType) {
        case FIRST_SCREEN:
            mPairingAlertDialog.show();
            break;
        case PIN_CODE:
            mPairingCodeDialog.show();
            break;
        case NONE:
        default:
            break;
    }

    for(ConnectableDeviceListener listener : mDeviceListeners)
        listener.onPairingRequired(device, service, pairingType);
}
 

import com.connectsdk.device.ConnectableDeviceListener; //导入依赖的package包/类
public void addDeviceListener(ConnectableDeviceListener listener) {
    mDeviceListeners.add(listener);
}
 

import com.connectsdk.device.ConnectableDeviceListener; //导入依赖的package包/类
public void removeDeviceListener(ConnectableDeviceListener listener) {
    mDeviceListeners.remove(listener);
}
 

import com.connectsdk.device.ConnectableDeviceListener; //导入依赖的package包/类
@Override
public void onCapabilityUpdated(ConnectableDevice device, List<String> added, List<String> removed) {
    for(ConnectableDeviceListener listener : mDeviceListeners)
        listener.onCapabilityUpdated(device, added, removed);
}
 

import com.connectsdk.device.ConnectableDeviceListener; //导入依赖的package包/类
@Override
public void onConnectionFailed(ConnectableDevice device, ServiceCommandError error) {
    Toast.makeText(mContext, R.string.unknown_error, Toast.LENGTH_SHORT).show();
    for(ConnectableDeviceListener listener : mDeviceListeners)
        listener.onConnectionFailed(device, error);
}