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在Android平台上使用altbeacon库对Eddystone信标进行背景监控

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是否可以在android平台上使用altbeacon库对 Eddystone beacon进行后台监控?我怎样才能实现它?

以下是我可以在启动应用程序时检测具有指定UUID的信标的代码,但我希望在应用程序未运行时实现相同的功能 .

public class MainActivity extends ActionBarActivity implements BeaconConsumer,MonitorNotifier
{

private BeaconManager beaconManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
}


@Override
protected void onResume() {
    super.onResume();
    beaconManager = BeaconManager.getInstanceForApplication(this.getApplicationContext());
    beaconManager.getBeaconParsers().add(new BeaconParser().setBeaconLayout("s:0-1=feaa,m:2-2=00,p:3-3:-41,i:4-13,i:14-19"));
    beaconManager.bind(this);
}

@Override
public void onBeaconServiceConnect() {

    Identifier myBeaconNamespaceId = Identifier.parse("0xe2bfcc3cc2370789caef");
    Region region = new Region("my-beacon-region", myBeaconNamespaceId, null, null);
    beaconManager.setMonitorNotifier(this);
    try {
        beaconManager.startMonitoringBeaconsInRegion(region);
    } catch (RemoteException e) {
        e.printStackTrace();
    }
}

@Override
public void didEnterRegion(Region region) {

        Log.d("radbeacon", "Beacon detected with namespace id " + region.getId1() +" and instance id: " + region.getId2());
}

@Override
public void didExitRegion(Region region) {

    Log.d("radbeacon", "Beacon out of region with namespace id " + region.getId1() +" and instance id: " + region.getId2());
}

@Override
public void didDetermineStateForRegion(int i, Region region) {
      //Ignore
}


}

2 回答

  • 0

    另一个非常重要的事情是将Application类名称添加到AndroidManifest.xml,只需将 android:name=".yourApplication" 添加到 <application> 标记即可 .

    是否有一个示例可用于在Application类中进行监视和范围调整?

  • 2

    Yes, it is possible to detect Eddystone beacons in the background with the Android Beacon Library. 您可以使用与AltBeacon或iBeacon相同的方式执行此操作 . 详细信息在样本的Starting App in the Background部分中描述 .

    EDIT: 作为fof库版本2.7,添加了对Eddystone框架的硬件加速发现的支持,这意味着在Android 5设备上,您可以在大约5秒内获得背景检测 .

    基本的想法是你需要为你的应用程序创建一个中央android Application 类,并在该类的 onCreate 方法中创建一个 RegionBootstrap 对象 . 重要的是要记住,您必须在清单中注册此 Application 类 . 上面链接的示例代码向您展示了如何执行此操作 .

    所以你最终得到如下的东西:

    public class MyApplication extends Application implements BootstrapNotifier {
        private static final String TAG = "MyApplication";
        private RegionBootstrap regionBootstrap;
        private BackgroundPowerSaver backgroundPowerSaver;
        private BeaconManager mBeaconManager;
    
        public void onCreate() {
            super.onCreate();
            mBeaconManager = org.altbeacon.beacon.BeaconManager.getInstanceForApplication(this);
            mBeaconManager.getBeaconParsers().clear();
            mBeaconManager.getBeaconParsers().add(new BeaconParser().
                setBeaconLayout(BeaconParser.EDDYSTONE_UID_LAYOUT));
            Identifier myBeaconNamespaceId = Identifier.parse("0xe2bfcc3cc2370789caef");
            Region region = new Region("my-beacon-region", myBeaconNamespaceId, null, null);
    
            regionBootstrap = new RegionBootstrap(this, region);
    
            backgroundPowerSaver = new BackgroundPowerSaver(this);
        }
    
        @Override
        public void didEnterRegion(Region region) {
    
                Log.d("radbeacon", "Beacon detected with namespace id " + region.getId1() +" and instance id: " + region.getId2());
        }
    
        @Override
        public void didExitRegion(Region region) {
    
            Log.d("radbeacon", "Beacon out of region with namespace id " + region.getId1() +" and instance id: " + region.getId2());
        }
    
        @Override
        public void didDetermineStateForRegion(int i, Region region) {
              //Ignore
        }
    ...
    }
    

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