public WMBeaconManager(
MonitorNotifier monitorNotifier, RangeNotifier rangeNotifier, Context context) {
this.context = context;
mBeaconManager = BeaconManager.getInstanceForApplication(this.context);
// Detect the main Eddystone-UID frame:
mBeaconManager.getBeaconParsers().add(new BeaconParser().setBeaconLayout(EDDYSTONE_LAYOUT));
mBeaconManager.getBeaconParsers().add(new BeaconParser().setBeaconLayout(IBEACON_LAYOUT));
mBeaconManager.setRangeNotifier(rangeNotifier);
mBeaconManager.setMonitorNotifier(monitorNotifier);
}
public BeaconSearcher(Context context) {
this.mContext = context.getApplicationContext();
this.mBeaconManager = BeaconManager.getInstanceForApplication(mContext);
// 经过测试，天津的Beacon应该是Apple的Beacon，beaconTypeCode=0215
// 其传输帧的字节序列按照以下顺序传输，但是网络上查到2013年后的Estimote beacons也是下列的字节顺序,ok
// mBeaconManager.getBeaconParsers().add(new
// BeaconParser().setBeaconLayout("m:2-3=0215,i:4-19,i:20-21,i:22-23,p:24-24"));
// 也可能是AltBeacon(即Radius)的Beacon,ok
mBeaconManager
.getBeaconParsers()
.add(new AltBeaconParser().setBeaconLayout("m:2-3=0215,i:4-19,i:20-21,i:22-23,p:24-24"));
// 设置距离计算模型
DefaultDistanceCalcuator defaultDistanceCalcuator = new DefaultDistanceCalcuator(mContext);
// 使用asserts/model-distance-calculations.json
defaultDistanceCalcuator.setDefaultDistanceCalcuator(null);
// 使用url
// defaultDistanceCalcuator.setDefaultDistanceCalcuator("http://data.altbeacon.org/android-distance.json");
// 设置发现beacon监听回调，看到beacon，看不到beacon; 进入，离开，临界状态
// Specifies a class that should be called each time the BeaconService
// sees or stops seeing a Region of beacons.
// IMPORTANT: Only one MonitorNotifier may be active for a given
// application. If two different activities or services set different
// MonitorNotifier instances, the last one set will receive all the
// notifications.
mBeaconManager.setMonitorNotifier(mMonitorNotifier);
// 设置测距修正回调，每个扫描周期结束，根据20秒内各beacon的RSSI平均值计算它的距离，该回调获取这些beacon的距离值
// Specifies a class that should be called each time the BeaconService
// gets ranging data, which is nominally once per
// second(实际上每个扫描周期，计算一次距离) when beacons are detected.
// IMPORTANT: Only one RangeNotifier may be active for a given
// application. If two different activities or services set different
// RangeNotifier instances,
// the last one set will receive all the notifications.
mBeaconManager.setRangeNotifier(mRangeNotifier);
// 当程序切换到后台，BeaconService自动切换到后台模式，为了省电，蓝牙扫描频率降低；程序恢复到前台，BeaconService也跟随恢复至前台
// simply constructing this class and holding a reference to it in your
// custom Application
// class will automatically cause the BeaconLibrary to save battery
// whenever the application
// is not visible. This reduces bluetooth power usage by about 60%
Context appContext = this.mContext.getApplicationContext();
mBackgroundPowerSaver = new BackgroundPowerSaver(appContext);
}
