Android Radio开发——Hal层调用（五）

        上一篇内容到 BroadcastRadioService 调用 openTuner() 开启广播时调用不通的 Hal 层代码，这一篇来看一下，不通 Hal 层的代码有什么区别。

 BroadcastRadioService

源码位置：/frameworks/base/services/core/java/com/android/server/broadcastradio/BroadcastRadioService.java

private final com.android.server.broadcastradio.hal1.BroadcastRadioService mHal1 = new com.android.server.broadcastradio.hal1.BroadcastRadioService();
private final com.android.server.broadcastradio.hal2.BroadcastRadioService mHal2 = new com.android.server.broadcastradio.hal2.BroadcastRadioService();

private class ServiceImpl extends IRadioService.Stub {
    @Override
    public ITuner openTuner(int moduleId, RadioManager.BandConfig bandConfig, boolean withAudio, ITunerCallback callback) throws RemoteException {
        enforcePolicyAccess();
        ......
        synchronized (mLock) {
            if (mHal2.hasModule(moduleId)) {
                return mHal2.openSession(modu