问题描述
我正在使用信标开发室内导航，该应用程序有两个按钮（统计按钮和停止按钮）来启动和停止读取信标，该应用程序运行良好，但无法检测到任何显示“未找到信标”的信标，我在堆栈溢出中执行相同的示例代码但它不起作用，你能帮我解决这个问题吗？注意：我使用的是 Feasy Beacon。
这是我的主要活动：
public class MainActivity extends AppCompatActivity implements View.OnClickListener,BeaconConsumer,RangeNotifier {
protected final String TAG = MainActivity.this.getClass().getSimpleName();;
private static final int PERMISSION_REQUEST_COARSE_LOCATION = 1;
private static final int REQUEST_ENABLE_BLUetoOTH = 1;
private static final long DEFAULT_SCAN_PERIOD_MS = 6000l;
private static final String ALL_BEACONS_REGION = "AllBeaconsRegion";
private BeaconManager mBeaconManager;
private Region mRegion;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getStartButton().setonClickListener(this);
getStopButton().setonClickListener(this);
mBeaconManager = BeaconManager.getInstanceForApplication(this);
mBeaconManager.getBeaconParsers().add(new BeaconParser().
setBeaconLayout(BeaconParser.EDDYSTONE_UID_LAYOUT));
ArrayList<Identifier> identifiers = new ArrayList<>();
mRegion = new Region(ALL_BEACONS_REGION,identifiers);
}
@Override
public void onClick(View view) {
if (view.equals(findViewById(R.id.startReadingBeaconsButton))) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (this.checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) !=
PackageManager.PERMISSION_GRANTED) {
askForLocationPermissions();
} else {
//Location permissions granted
prepareDetection();
}
} else {
// Android versions <6
prepareDetection();
}
} else if (view.equals(findViewById(R.id.stopReadingBeaconsButton))) {
stopDetectingBeacons();
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBluetoothAdapter.isEnabled()) {
mBluetoothAdapter.disable();
}
}
}
/**
*
* Activate location and bluetooth to start detecting beacons
*/
private void prepareDetection() {
if (!isLocationEnabled()) {
askToTurnOnLocation();
} else {
// Location on,let's check the bluetooth
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBluetoothAdapter == null) {
showToastMessage("This device does not support bluetooth,it is not possible to search for beacons");
} else if (mBluetoothAdapter.isEnabled()) {
startDetectingBeacons();
} else {
//Ask the user to activate bluetooth
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent,REQUEST_ENABLE_BLUetoOTH);
}
}
}
@Override
protected void onActivityResult(int requestCode,int resultCode,Intent data) {
if (requestCode == REQUEST_ENABLE_BLUetoOTH) {
// User has activated bluetooth
if (resultCode == RESULT_OK) {
startDetectingBeacons();
} else if (resultCode == RESULT_CANCELED) { // User refuses to enable bluetooth
showToastMessage("With bluetooth deactivated,it is not possible to search for beacons");
}
}
super.onActivityResult(requestCode,resultCode,data);
}
/**
* * Start detecting beacons,hiding or showing the corresponding buttons
*/
private void startDetectingBeacons() {
// Set a scan period
mBeaconManager.setForegroundScanPeriod(DEFAULT_SCAN_PERIOD_MS);
// Link to the beacon service. Get a callback when it's ready to be used
mBeaconManager.bind(this);
System.out.println("beacon manager bind = " + mBeaconManager.isBound(this));
// disable start button
getStartButton().setEnabled(false);
getStartButton().setAlpha(.5f);
// Activate stop button
getStopButton().setEnabled(true);
getStopButton().setAlpha(1);
}
@Override
public void onBeaconServiceConnect() {
try {
//// Start looking for beacons that match the last Region object,including
// updates on the estimated distance
mBeaconManager.startRangingBeaconsInRegion(mRegion);
mBeaconManager.startMonitoringBeaconsInRegion(mRegion);
showToastMessage("Starting to look for beacons");
} catch (remoteexception e) {
Log.d(TAG,"An exception occurred while starting to search for beacons " + e.getMessage());
}
mBeaconManager.addRangeNotifier(this);
}
/**
*
* Method called every DEFAULT_SCAN_PERIOD_MS seconds with beacons detected during that period
*/
@Override
public void didRangeBeaconsInRegion(Collection<Beacon> beacons,Region region) {
if (beacons.size() == 0) {
showToastMessage("No beacons found");
}
for (Beacon beacon : beacons) {
showToastMessage("Offer number% 1 $ s detected !! beacon.getId3 = "+ beacon.getId3());
}
}
private void stopDetectingBeacons() {
try {
mBeaconManager.stopMonitoringBeaconsInRegion(mRegion);
showToastMessage("Stopping the search for beacons");
} catch (remoteexception e) {
Log.d(TAG,"An exception occurred while stopping searching for beacons " + e.getMessage());
}
mBeaconManager.removeAllRangeNotifiers();
// Unbind service from beacons
mBeaconManager.unbind(this);
// Activate start button
getStartButton().setEnabled(true);
getStartButton().setAlpha(1);
// disable stop button
getStopButton().setEnabled(false);
getStopButton().setAlpha(.5f);
}
/**
* * Check location permission for Android> = M
*/
private void askForLocationPermissions() {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("This application needs access to the location");
builder.setMessage("Please grant location permissions so that the application can detect beacons");
builder.setPositiveButton(android.R.string.ok,null);
builder.setondismissListener(new DialogInterface.OndismissListener() {
@RequiresApi(api = Build.VERSION_CODES.M)
public void ondismiss(DialogInterface dialog) {
requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION},PERMISSION_REQUEST_COARSE_LOCATION);
}
});
builder.show();
}
@Override
public void onRequestPermissionsResult(int requestCode,String permissions[],int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_COARSE_LOCATION: {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
prepareDetection();
} else {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Limited functionality");
builder.setMessage("Since the locate permission has not been granted" +
"this application will not be able to search for beacons");
builder.setPositiveButton(android.R.string.ok,null);
builder.setondismissListener(new DialogInterface.OndismissListener() {
@Override
public void ondismiss(DialogInterface dialog) {
}
});
builder.show();
}
return;
}
}
}
/**
*
* @return true si la localización esta activada,false en caso contrario
*/
private boolean isLocationEnabled() {
LocationManager lm = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
boolean networkLocationEnabled = false;
boolean gpsLocationEnabled = false;
try {
networkLocationEnabled = lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
gpsLocationEnabled = lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
} catch (Exception ex) {
Log.d(TAG,"Exception when obtaining location information");
}
return networkLocationEnabled || gpsLocationEnabled;
}
private void askToTurnOnLocation() {
// Notificar al usuario
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("Localization in high precision mode not activated");
dialog.setPositiveButton("Open location settings",new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface paramDialogInterface,int paramInt) {
// Todo Auto-generated method stub
Intent myIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(myIntent);
}
});
dialog.show();
}
private Button getStartButton() {
return (Button) findViewById(R.id.startReadingBeaconsButton);
}
private Button getStopButton() {
return (Button) findViewById(R.id.stopReadingBeaconsButton);
}
private void showToastMessage (String message) {
Toast toast = Toast.makeText(this,message,Toast.LENGTH_LONG);
toast.show();
}
@Override
protected void onDestroy() {
super.onDestroy();
mBeaconManager.removeAllRangeNotifiers();
mBeaconManager.unbind(this);
}
在 Manifest.xml 中我使用了这些权限：
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.BLUetoOTH" />
<uses-permission android:name="android.permission.BLUetoOTH_ADMIN" />
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
I/DecorView: [INFO] isPopOver=false,config=true
updateCaptionType >> DecorView@651b67b[],isFloating=false,isApplication=true,hasWindowDecorCaption=false,hasWindowControllerCallback=true
D/DecorView: setCaptionType = 0,this = DecorView@651b67b[]
W/ndoornavigatio: Unsupported class loader
W/ndoornavigatio: Unsupported class loader
I/DynamiteModule: Considering local module com.google.android.gms.measurement.dynamite:46 and remote module com.google.android.gms.measurement.dynamite:45
Selected local version of com.google.android.gms.measurement.dynamite
W/ndoornavigatio: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist,reflection,allowed)
Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist,allowed)
I/BeaconManager: BeaconManager started up on pid 32407 named 'com.example.indoornavigation' for application package 'com.example.indoornavigation'. isMainProcess=true
D/BeaconParser: Parsing beacon layout: m:2-3=beac,i:4-19,i:20-21,i:22-23,p:24-24,d:25-25
D/BeaconParser: Parsing beacon layout: s:0-1=feaa,m:2-2=00,p:3-3:-41,i:4-13,i:14-19
D/InputTransport: Input channel constructed: 'd587e8c',fd=79
I/ViewRootImpl@541c6e9[MainActivity]: setView = com.android.internal.policy.DecorView@651b67b TM=true
V/FA: onActivityCreated
I/ViewRootImpl@541c6e9[MainActivity]: Relayout returned: old=(0,1080,2400) new=(0,2400) req=(1080,2400)0 dur=5 res=0x7 s={true 520873524992} ch=true fn=-1
I/mali_winsys: new_window_surface() [1080x2400] return: 0x3000
I/ViewRootImpl@541c6e9[MainActivity]: [DP] dp(1) 1 android.view.ViewRootImpl.reportNextDraw:10665 android.view.ViewRootImpl.performTraversals:3725 android.view.ViewRootImpl.doTraversal:2511
[DP] pd() Asnyc report
I/Gralloc4: mapper 4.x is not supported
W/Gralloc3: mapper 3.x is not supported
I/gralloc: Arm Module v1.0
I/ViewRootImpl@541c6e9[MainActivity]: [DP] pdf(0) 1 android.view.ViewRootImpl.lambda$performDraw$1$ViewRootImpl:4546 android.view.-$$Lambda$ViewRootImpl$DJd0VUYJgsebcnSohO6h8zc_ONI.run:6 android.os.Handler.handleCallback:938
[DP] rdf()
I/ViewRootImpl@541c6e9[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 1 1
D/InputMethodManager: prepareNavigationBarInfo() DecorView@651b67b[MainActivity]
getNavigationBarColor() -855310
prepareNavigationBarInfo() DecorView@651b67b[MainActivity]
getNavigationBarColor() -855310
V/InputMethodManager: Starting input: tba=com.example.indoornavigation ic=null mNaviBarColor -855310 mIsGetNaviBarColorSuccess true,NavVisible : true,NavTrans : false
D/InputMethodManager: startInputInner - Id : 0
I/InputMethodManager: startInputInner - mService.startInputOrWindowGainedFocus
D/InputTransport: Input channel constructed: 'ClientS',fd=84
D/InputMethodManager: prepareNavigationBarInfo() DecorView@651b67b[MainActivity]
getNavigationBarColor() -855310
V/InputMethodManager: Starting input: tba=com.example.indoornavigation ic=null mNaviBarColor -855310 mIsGetNaviBarColorSuccess true,NavTrans : false
D/InputMethodManager: startInputInner - Id : 0
D/SurfaceControl: hide : Surface(name=Surface(name=26f5368 InputMethod)/@0xac28067 - animation-leash)/@0x397f654
nativeSetFlags Done : Surface(name=Surface(name=26f5368 InputMethod)/@0xac28067 - animation-leash)/@0x397f654
D/SurfaceControl: release : Surface(name=Surface(name=4bc02eb NavigationBar0)/@0xbdb6954 - animation-leash)/@0xdb9a9fd
I/SurfaceControl: nativeRelease nativeObject s[516041601648]
nativeRelease nativeObject e[516041601648]
D/SurfaceControl: release : Surface(name=Surface(name=60657fa StatusBar)/@0x60c7d6f - animation-leash)/@0x86a6f2
I/SurfaceControl: nativeRelease nativeObject s[516041601760]
nativeRelease nativeObject e[516041601760]
V/FA: App measurement collection enabled
V/FA: App measurement enabled for app package,google app id: com.example.indoornavigation,1:249328161647:android:76a143ad7a30d3f99a0e9a
I/FA: App measurement initialized,version: 39000
To enable debug logging run: adb shell setprop log.tag.FA VERBOSE
I/FA: To enable faster debug mode event logging run:
adb shell setprop debug.firebase.analytics.app com.example.indoornavigation
D/FA: Debug-level message logging enabled
V/FA: Connecting to remote service
V/FA: Detected application was in foreground
V/FA: Session started,time: 1309590020
V/FA: Connection attempt already in progress
I/FA: Tag Manager is not found and thus will not be used
V/FA: Connection attempt already in progress
V/FA: Connection attempt already in progress
V/FA: Connection attempt already in progress
Activity resumed,time: 1309589939
V/FA: Connection attempt already in progress
Connection attempt already in progress
D/FA: Connected to remote service
V/FA: Processing queued up service tasks: 7
I/ViewRootImpl@541c6e9[MainActivity]: ViewPostIme pointer 0
I/ViewRootImpl@541c6e9[MainActivity]: ViewPostIme pointer 1
I/ScanJob: Using immediateScanJobId from manifest: 208352939
I/ScanJob: Using periodicScanJobId from manifest: 208352940
W/JobInfo: Requested interval +5m0s0ms for job 208352940 is too small; raising to +15m0s0ms
Requested flex 0 for job 208352940 is too small; raising to +5m0s0ms
I/ScanJob: Using immediateScanJobId from manifest: 208352939
I/ScanJob: Using periodicScanJobId from manifest: 208352940
W/JobInfo: Requested interval +5m0s0ms for job 208352940 is too small; raising to +15m0s0ms
Requested flex 0 for job 208352940 is too small; raising to +5m0s0ms
D/CompatibilityChangeReporter: Compat change id reported: 147798919; UID 10428; state: ENABLED
I/Toast: show: focusdisplayId = 0,isFocusInDesktop = false mCustomdisplayId=-1 isDexDualMode=false
show: isActivityContext = true
I/System.out: beacon manager bind = true
I/CycledLeScanner: Using Android O scanner
I/ScanJob: Using immediateScanJobId from manifest: 208352939
Running immediate scan job: instance is org.altbeacon.beacon.service.ScanJob@64e6401
scanJob version 2.17.1 is starting up on the main process
W/ModelSpecificdistanceCalculator: Cannot find match for this device. Using default
Cannot find match for this device. Using default
D/BluetoothAdapter: STATE_ON
D/BluetoothAdapter: STATE_ON
D/BluetoothLeScanner: Stop Scan with callback intent
D/BluetoothAdapter: STATE_ON
I/ScanJob: Scan job running for 300000 millis
D/BluetoothAdapter: STATE_ON
D/BluetoothLeScanner: Start Scan with callback
D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=15 mScannerId=0
V/FA: Inactivity,disconnecting from the service
D/BluetoothAdapter: STATE_ON
D/BluetoothLeScanner: Stop Scan with callback
D/BluetoothAdapter: STATE_ON
I/Toast: show: focusdisplayId = 0,isFocusInDesktop = false mCustomdisplayId=-1 isDexDualMode=false
show: isActivityContext = true
D/BluetoothLeScanner: Start Scan with callback
D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=15 mScannerId=0
D/BluetoothAdapter: STATE_ON
I/Toast: show: focusdisplayId = 0,isFocusInDesktop = false mCustomdisplayId=-1 isDexDualMode=false
show: isActivityContext = true
E/CycledLeScannerForLollipop: Scan Failed: a BLE scan with the same settings is already started by the app
I/ViewRootImpl@541c6e9[MainActivity]: ViewPostIme pointer 0
I/ViewRootImpl@541c6e9[MainActivity]: ViewPostIme pointer 1
I/ScanJob: Using immediateScanJobId from manifest: 208352939
I/ScanJob: Using periodicScanJobId from manifest: 208352940
W/JobInfo: Requested interval +5m0s0ms for job 208352940 is too small; raising to +15m0s0ms
Requested flex 0 for job 208352940 is too small; raising to +5m0s0ms
I/Toast: show: focusdisplayId = 0,isFocusInDesktop = false mCustomdisplayId=-1 isDexDualMode=false
show: isActivityContext = true
I/BeaconManager: Cancelling scheduled jobs after unbind of last consumer.
I/ScanJob: Using immediateScanJobId from manifest: 208352939
I/ScanJob: Using periodicScanJobId from manifest: 208352940
D/BluetoothAdapter: disable()
I/ScanJob: Using periodicScanJobId from manifest: 208352940
onStopJob called for immediate scan org.altbeacon.beacon.service.ScanJob@64e6401
D/BluetoothAdapter: STATE_ON
D/BluetoothAdapter: STATE_ON
D/BluetoothLeScanner: Stop Scan with callback intent
W/ScanHelper: Failed to start background scan on Android O: BluetoothAdapter is not enabled
D/BluetoothAdapter: onBluetoothStateChange: up=false
Bluetooth is turned off,stop adv
D/BluetoothAdapter: There are no active google scan apps,stop scan
D/BluetoothLeScanner: stopAllScan standalone boolean value is = false
D/BluetoothLeScanner: Exiting stopping all callback scans
D/BluetoothAdapter: ondisableBLE
There are no active google scan apps,stop scan
D/BluetoothLeScanner: stopAllScan standalone boolean value is = false
Exiting stopping all callback scans
I/ViewRootImpl@541c6e9[MainActivity]: ViewPostIme pointer 0
V/FA: Recording user engagement,ms: 16278
V/FA: Connecting to remote service
V/FA: Activity paused,time: 1309606218
I/ViewRootImpl@541c6e9[MainActivity]: MSG_WINDOW_FOCUS_CHANGED 0 1
V/FA: Connection attempt already in progress
D/FA: Connected to remote service
V/FA: Processing queued up service tasks: 2
D/SurfaceControl: release : Surface(name=Surface(name=26f5368 InputMethod)/@0xac28067 - animation-leash)/@0x397f654
I/SurfaceControl: nativeRelease nativeObject s[516041547664]
nativeRelease nativeObject e[516041547664]
D/SurfaceControl: release : Surface(name=Surface(name=4bc02eb NavigationBar0)/@0xbdb6954 - animation-leash)/@0xfc04cdb
I/SurfaceControl: nativeRelease nativeObject s[516041551024]
nativeRelease nativeObject e[516041551024]
D/SurfaceControl: release : Surface(name=Surface(name=60657fa StatusBar)/@0x60c7d6f - animation-leash)/@0x8ada378
I/SurfaceControl: nativeRelease nativeObject s[516041551360]
nativeRelease nativeObject e[516041551360]
D/InputTransport: Input channel destroyed: 'ClientS',fd=84
D/SurfaceControl: release : Surface(name=Surface(name=26f5368 InputMethod)/@0xac28067 - animation-leash)/@0x8d5a51
I/SurfaceControl: nativeRelease nativeObject s[516041548224]
nativeRelease nativeObject e[516041548224]
I/mali_egl: eglDestroySurface() in
I/mali_winsys: delete_surface() [1080x2400] return
I/mali_egl: eglDestroySurface() out
W/libEGL: EGLNativeWindowType 0x79467b3f10 disconnect Failed
D/SurfaceControl: release : Surface(name=null)/@0xf6cdbb7
I/SurfaceControl: nativeRelease nativeObject s[516041602320]
nativeRelease nativeObject e[516041602320]
I/ViewRootImpl@541c6e9[MainActivity]: Relayout returned: old=(0,2400)8 dur=4 res=0x5 s={false 0} ch=true fn=19
I/ViewRootImpl@541c6e9[MainActivity]: stopped(true) old=false
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@）