android 蓝牙hfp client实现简介

首先确认配置文件是否开启hfp profile功能。根据设备的角色（hfp client / hfp server）来配置hfp profile.
profile 配置文件路径：
alps/packages/apps/Bluetooth/res/values/config.xml
alps/device/${customer}/${ProjectName}/overlay/packages/apps/Bluetooth/res/values/config.xml


e.g. 设备的角色定义为hfp client,需做如下配置：
<bool name="profile_supported_hs_hfp">false</bool>
<bool name="profile_supported_hfpclient">true</bool>

接下来看一下hfp client的实现，以accept call为例
//3步获取hfp client service
1)BluetoothAdapter mAdapter = BluetoothAdapter.getDefaultAdapter();

2)mAdapter.getProfileProxy(getApplicationContext(),new MServerListener(), BluetoothProfile.HEADSET_CLIENT);

3)public class MServerListener implements ServiceListener {
@Override
public void onS