cordova-plugin-ibeacon
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petermetz
... keep monitoring/ranging when app is killed (android)
Even though others have already asked on this topic (#71, #259, #274), I still haven't understand if is it possible to keep monitoring/ranging beacons once the Android app has been killed (ionic). Background monitoring works fine (tested on android 4.4 and 7.1), but what I need is a permanent scan, even when the app is killed, to log region entries via an http request. No need to launch again the app or interact with it. Someone says the trick is to create a sticky service in which all relevant functionality are natively executed. Should I keep trying in that direction? I'm new in ionic, cordova and app developing in general. Thanks.
I have also issues with this situation, there is locate beacon app from RadiusNetworks it performs well when monitoring beacon app not running background or foreground.
Trying to monitor region then when entered, start ranging with that beacon. But, plugin detects region after ~10-30 second however locate beacon app notice in between 1-3 second.
Is there anything missed?
global packages:
cordova (Cordova CLI) : 7.1.0
local packages:
Cordova Platforms : android 6.3.0 ios 4.5.3
Ionic Framework : ionic-angular 3.8.0
System:
ios-deploy : 1.9.2
ios-sim : 6.1.2
Node : v8.9.3
npm : 5.6.0
OS : macOS Sierra
Xcode : Xcode 9.2 Build version 9C40b
@ugurerkan thank you for reply! That plugin looks good but (if I understand well) they want you to sign up to their service for free or pay monthly if you have more than 3 beacons. I would like to build a standalone app without relying on other's services. Thanks again!
@sapienzafra
Can you try reproducing your issue with the quickstart app? https://github.com/petermetz/cordova-proximity-quickstart
Peter
I have the same problem on android (android 8), I can't monitor the beacon when the app is killed but it works on background.
I tried to reproduce the issue with the quickstart app but it's crashing when I tap on Start
This is the adb's log:
1-04 09:40:36.316 1143 1143 D SystemWebChromeClient: http://192.168.1.10:8101/__ion-dev-server/ion-dev.js?v=2.1.3: Line 156 : Creating BeaconRegion with UUID of:
01-04 09:40:36.317 1143 1143 I chromium: [INFO:CONSOLE(156)] "Creating BeaconRegion with UUID of: ", source: http://192.168.1.10:8101/__ion-dev-server/ion-dev.js?v=2.1.3 (156)
01-04 09:40:36.326 1143 1283 D BeaconManager: callback packageName: com.unarin.oss.mobile.CordovaProximityQuickstart
01-04 09:40:36.338 24586 24586 I PhenotypeExpConfig: refreshConfiguration() : Force = false : UpdateAvailable = false : Age = 3 minutes : MaxAge = 720 minutes
01-04 09:40:36.339 24586 24586 I LatinIme: abortComposing()
01-04 09:40:36.341 24586 24586 I Delight5Decoder: abortComposing() : input state id = 3168
01-04 09:40:36.341 24586 24586 I LatinIme: onDeactivate()
01-04 09:40:36.342 24586 24586 I EmojiDataExtension: onDeactivate() : Locale = fr
01-04 09:40:36.342 24586 24586 I GifEntryExtension: onDeactivate()
01-04 09:40:36.344 24586 28375 W Delight5Decoder: removePredictionEngine() : Unknown engine bzr@7f5d95
01-04 09:40:36.344 24586 24586 I GoogleInputMethod: onStartInput() : Dummy InputConnection bound
01-04 09:40:36.373 1143 1283 D MonitoringStatus: Restored region monitoring state for 1 regions.
01-04 09:40:36.374 1143 1283 D MonitoringStatus: Region id1: 00000000-0000-0000-0000-000000000000 id2: 1 id3: 1 uniqueId: nullBeaconRegion state: org.altbeacon.beacon.service.RegionMonitoringState@95b8bdf
01-04 09:40:36.375 1143 1283 D MonitoringStatus: Done restoring monitoring status
01-04 09:40:36.375 1143 1283 D MonitoringStatus: Replacing region with unique identifier nullBeaconRegion
01-04 09:40:36.376 1143 1283 D MonitoringStatus: Old definition: id1: 00000000-0000-0000-0000-000000000000 id2: 1 id3: 1
01-04 09:40:36.377 1143 1283 D MonitoringStatus: New definition: id1: 00000000-0000-0000-0000-000000000001 id2: 1 id3: 1
01-04 09:40:36.377 1143 1283 D MonitoringStatus: clearing state
01-04 09:40:36.377 1143 1283 D MonitoringStatus: saveMonitoringStatusIfOn()
01-04 09:40:36.390 1143 1283 D ScanJobScheduler: Applying settings to ScanJob
01-04 09:40:36.481 1143 1283 D ScanState: Scan state restore regions: monitored=1 ranged=1
01-04 09:40:36.482 1143 1283 D ScanState: ranged regions: old=1 new=0
01-04 09:40:36.482 1143 1283 D ScanState: monitored regions: old=1 new=1
01-04 09:40:36.483 1143 1283 D ScanState: Stopping ranging region: id1: 00000000-0000-0000-0000-000000000000 id2: 1 id3: 1
01-04 09:40:36.483 1143 1283 D ScanState: Updated state with 0 ranging regions and 1 monitoring regions.
01-04 09:40:36.506 1143 1283 D ScanState: Temp file is /data/user/0/com.unarin.oss.mobile.CordovaProximityQuickstart/files/android-beacon-library-scan-state-temp
01-04 09:40:36.507 1143 1283 D ScanState: Perm file is /data/user/0/com.unarin.oss.mobile.CordovaProximityQuickstart/files/android-beacon-library-scan-state
01-04 09:40:36.507 1143 1283 D MonitoringStatus: saveMonitoringStatusIfOn()
01-04 09:40:36.512 1143 1283 D ScanJobScheduler: Applying scan job settings with background mode false
01-04 09:40:36.513 1143 1283 D BeaconLocalBroadcastProcessor: Register calls: global=1 instance=1
01-04 09:40:36.516 1143 1323 D ScanJobScheduler: Applying settings to ScanJob
01-04 09:40:36.518 1143 1283 E AndroidRuntime: FATAL EXCEPTION: AsyncTask #3
01-04 09:40:36.518 1143 1283 E AndroidRuntime: Process: com.unarin.oss.mobile.CordovaProximityQuickstart, PID: 1143
01-04 09:40:36.518 1143 1283 E AndroidRuntime: java.lang.RuntimeException: An error occurred while executing doInBackground()
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at android.os.AsyncTask$3.done(AsyncTask.java:353)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:271)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.lang.Thread.run(Thread.java:764)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v4/content/LocalBroadcastManager;
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.BeaconLocalBroadcastProcessor.unregister(BeaconLocalBroadcastProcessor.java:82)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.BeaconLocalBroadcastProcessor.register(BeaconLocalBroadcastProcessor.java:74)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.service.ScanJobScheduler.ensureNotificationProcessorSetup(ScanJobScheduler.java:69)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.service.ScanJobScheduler.schedule(ScanJobScheduler.java:122)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.service.ScanJobScheduler.applySettingsToScheduledJob(ScanJobScheduler.java:85)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.service.ScanJobScheduler.applySettingsToScheduledJob(ScanJobScheduler.java:92)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.BeaconManager.applyChangesToServices(BeaconManager.java:962)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at org.altbeacon.beacon.BeaconManager.startMonitoringBeaconsInRegion(BeaconManager.java:902)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at com.unarin.cordova.beacon.LocationManager$16.run(LocationManager.java:832)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at com.unarin.cordova.beacon.LocationManager$33.doInBackground(LocationManager.java:1433)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at com.unarin.cordova.beacon.LocationManager$33.doInBackground(LocationManager.java:1427)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at android.os.AsyncTask$2.call(AsyncTask.java:333)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: ... 4 more
01-04 09:40:36.518 1143 1283 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.content.LocalBroadcastManager" on path: DexPathList[[zip file "/data/app/com.unarin.oss.mobile.CordovaProximityQuickstart-_Nt90XGtYR6ChNzg5V-b_g==/base.apk"],nativeLibraryDirectories=[/data/app/com.unarin.oss.mobile.CordovaProximityQuickstart-_Nt90XGtYR6ChNzg5V-b_g==/lib/arm64, /system/lib64, /system/vendor/lib64]]
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:93)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
01-04 09:40:36.518 1143 1283 E AndroidRuntime: ... 17 more
01-04 09:40:36.524 1572 3160 W ActivityManager: Force finishing activity com.unarin.oss.mobile.CordovaProximityQuickstart/.MainActivity
01-04 09:40:36.525 1572 3160 D ActivityTrigger: ActivityTrigger activityPauseTrigger
01-04 09:40:36.527 1143 1143 D CordovaActivity: Paused the activity.
01-04 09:40:36.528 1572 1687 I ActivityManager: Showing crash dialog for package com.unarin.oss.mobile.CordovaProximityQuickstart u0
01-04 09:40:36.535 1572 3202 D ActivityTrigger: activityResumeTrigger: The activity in ApplicationInfo{746efc4 com.android.launcher3} is now in focus and seems to be in full-screen mode
Best regard,
Florent
@florent1933 The quickstart app may not be upgraded to the latest version of the plugin yet (that's in progress). Can you double check if this crash happens after you upgraded the plugin version to the current latest? (v3.6.0) That version should have the latest AltBeacon library which should solve the crash on Android 8. Lot of shoulds and ifs, but let's see.
I check with the version v3.6.0 and it continues to crash.
This app https://play.google.com/store/apps/details?id=com.wistiki.android&hl=en which use Ibeacon technology (I believe) is crashing too.
But monitoring iBeacon with your plugin is working in my app. I don't know what's the difference between the quickstart app and mine.
Note to self: double check if the dependencies are configured properly in the quickstart project.
I think they are configured properly. 3.6.0 instead of 3.5.2.
Le 4 janv. 2018 23:10, "Peter Somogyvari" [email protected] a écrit :
Note to self: double check if the dependencies are configured properly in the quickstart project.
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Sorry @florent1933 I did not mean the dependency declaration of the plugin itself, but the dependencies of the plugin:
What about the Android v4 support jar lib? It looks like it's not on the class path but it should be.
https://developer.android.com/topic/libraries/support-library/index.html
I don't really get why would one of the oldest support libs be necessary on the newest Android, but still, it wants it on the class path and it doesn't seem to be there. So maybe something is wrong with the generated gradle build files.
I am sorry @petermetz, I don't know how to do it. I am not android developper so it's very abstract to me.
@florent1933 No worries, I'll get there eventually. It's likely either some dependency issue within the quickstart project, or a bug within the AltBeacon library itself (which I doubt because their issue tracker doesn't list anything like this for Android 8)
@petermetz hello, the quickstart app works fine when the app is open or in background. I'm looking for a way to keep monitoring beacons also when the app is killed (swiped away). That's my logcat right before swiping away the app:
D/Callback(14930): attempting callback via global broadcast intent: ComponentInfo{com.unarin.oss.mobile.CordovaProximityQuickstart/org.altbeacon.beacon.BeaconIntentProcessor}
D/com.unarin.beacon(14930): didRangeBeacons: {"region":{"typeName":"BeaconRegion","uuid":"14a123rd-26b6-4d40-b14e-de3223io4nio2t","minor":"62401","identifier":"nullBeaconRegion","major":"2"},"beacons":[],"eventType":"didRangeBeaconsInRegion"}
D/com.unarin.beacon(14930): [DOM] _onDelegateCallback() {"region":{"typeName":"BeaconRegion","uuid":"14a123rd-26b6-4d40-b14e-de3223io4nio2t","minor":"62401","identifier":"nullBeaconRegion","major":"2"},"beacons":[],"eventType":"didRangeBeaconsInRegion"}
D/com.unarin.beacon(14930): [DOM] _mapDelegateCallback() found eventType didRangeBeaconsInRegion
I/ActivityManager( 898): Killing 14930:com.unarin.oss.mobile.CordovaProximityQuickstart/u0a123 (adj 9): remove task
I/WindowState( 898): WIN DEATH: Window{44421ca8 u0 com.unarin.oss.mobile.CordovaProximityQuickstart/com.unarin.oss.mobile.CordovaProximityQuickstart.MainActivity}
Hi @petermetz this plugin can keep monitoring beacons when the android app is killed? thanks
I am also struggling with this, it works fine on iOS 11 even when the app is not running. But on Android it does nothing :(
Having same issue, it works fine on iOS when the app is killed but on Android it doesn’t detect ibeacon of the app is killed. @petermetz can you please confirm if this works when the app is killed on Android?
Hello, Beacon scanning is not working when app is killed . do you have any solution for this issue ?
This plugin does not support background scanning on android. You need to implement a background task using altbeacon in Java.
Sent from my iPhone
On Mar 11, 2020, at 11:08 PM, prakeshcdn [email protected] wrote:
Hello, Beacon scanning is not working when app is killed . do you have any solution for this issue ?
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Hello @giladrom
How to implement altbeacon in cordova with cordova-plugin-ibeacon. do you have any example . Please help .
The two are separate. You will need to implement the background scanning object independent of this plugin.
See https://github.com/AltBeacon/android-beacon-library-reference https://github.com/AltBeacon/android-beacon-library-reference for an example.
On Mar 12, 2020, at 12:57 AM, prakeshcdn [email protected] wrote:
How to implement altbeacon in cordova with cordova-plugin-ibeacon. do you have any example . Please help .
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