要解决“Android Altbeacon导致扫描计划任务”问题,您可以尝试以下解决方法:
private static final int PERMISSION_REQUEST_FINE_LOCATION = 1;
// 在Activity或Fragment中的onCreate方法中调用
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// 如果权限没有被授予,请求权限
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_FINE_LOCATION);
} else {
// 权限已经被授予,可以进行扫描任务
startBeaconScan();
}
// 在Activity或Fragment中实现 onRequestPermissionsResult 方法,并处理权限请求的结果
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_FINE_LOCATION: {
// 如果请求被取消,结果数组将为空
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// 权限被授予,可以进行扫描任务
startBeaconScan();
} else {
// 没有获得位置权限,无法进行扫描任务
Toast.makeText(this, "需要位置权限才能进行扫描任务", Toast.LENGTH_SHORT).show();
}
return;
}
}
}
private BeaconManager beaconManager;
// 在Activity或Fragment中的onCreate方法中调用
beaconManager = BeaconManager.getInstanceForApplication(this);
beaconManager.getBeaconParsers().add(new BeaconParser().setBeaconLayout(BeaconParser.EDDYSTONE_UID_LAYOUT));
beaconManager.bind(this);
public class MyActivity extends Activity implements BeaconConsumer {
// ...
@Override
public void onBeaconServiceConnected() {
// BeaconManager成功连接到BeaconService后调用
try {
beaconManager.startRangingBeaconsInRegion(new Region("myRangingUniqueId", null, null, null));
} catch (RemoteException e) {
e.printStackTrace();
}
}
@Override
public void onBeaconServiceDisconnected() {
// BeaconService连接断开后调用
}
// ...
}
public class MyActivity extends Activity implements BeaconConsumer, RangeNotifier {
// ...
@Override
public void didRangeBeaconsInRegion(Collection beacons, Region region) {
// 当扫描到beacon时调用
if (beacons.size() > 0) {
Beacon closestBeacon = beacons.iterator().next();
Log.d(TAG, "发现beacon:" + closestBeacon.toString());
}
}
// ...
}
@Override
public void onBeaconServiceConnected() {
// BeaconManager成功连接到BeaconService后调用
try {
beaconManager.startRangingBeaconsInRegion(new Region("myRangingUniqueId", null, null, null));
} catch (RemoteException e) {
e.printStackTrace();
}
}
@Override
public void onBeaconServiceDisconnected() {
// BeaconService连接断开后调用
// 停