ForegroundService

I have a small test App that with an Android GPS API map fragment. I use FusedLocationProvider. TarketSDK=29. Using Java.

As long as the app is active it works beautifully. On locationUpdates, I add a new point to the track and everything looks great and stays accurate. The goal is to track my hike, total distance and track and show it on the map. Works great.

As soon I lock my phone or loses focus, then the updates stop and I no longer get location updates.

Solution seems to be:

• Background Service (discouraged)
• Foreground Service
• PendingIntent

I have poured over the docs, StackOverflow, all examples/tutorials I can find, developer.android.com, etc. I have downloaded examples of the latter 2 from GitHub; they seem incredibly obtuse (probably just me).

1. What are the dis/advantages of ForegroundService vs PendingIntent?
2. How about a bare-bones example illustrating the min features of each to implement location updates while your phone is locked in your pocket or some other app is active? Just the template minimum.
3. I need to save the locationUpdates that occur while my app is not active or phone is locked; in order to fill in Track when activity is restored to the app.

Some simple end-to-end guidance from my working app to something that will maintain locationUpdates and save the data would be great.

I have been working on a react native application where I have to fetch the geolocation at an interval of 10secs and update it to a server. I was able to do the same when the emulator was active/ in the foreground.

However, when the app is minimized, it doesn't work. I tried using expo task manager but the function doesn't seem to run when backgrounded.

What is the error here? I have attached my code and output.

I am using android 11 using an emulator and personal device.

Here is my code:

I am trying to send a value to the redux store from taskmanager in react native expo. I am unsure where I am going wrong and how to properly extract the value and send it to the my redux store. In my case I am attempting to access the state value from expo's taskmanager geofence api where state 1 means you've entered and state 2 means you've exited:

I've just develop an Android app (minSdkVersion 23/ targetSdkVersion 29) that can connect to a BluetoothLE device to obtain data periodically.

Now, in the MainActivity (not the first activity), I do the following registering the broadcastReciever:

java.lang.InterruptedException error is thrown onDestroy because of the Thread.sleep in the Runnable. I thought that the Runnable created a new Thread and allowed for sleeps?

I'm building an app which will scrape some data from a website and shows a notification when some criteria are met.

Everything works well without problems when the app is open (because the WebView is being rendered) but when I close the app the WebView is disabled so I cannot use it to scrape data anymore.

The scraping code is inside a class called from a ForegroundService.

I've already looked on the internet but I'm unable to find a solution or a substitute to WebView, do you have any ideas?

I'm sorry if this question looks stupid to you, I've started to develop for mobile just one week ago

Below the JDMonitoring class which is called from the AlarmTask class

In my app, there is a login activity first and a home activity. After logging in using volley and passing parameters to home activity in an intent, I'm able to start a foreground service that keeps the app running in background with notifications and getting back to home activity by clicking on the notification with the help of pending intent.

Now, I'm searching for how to open the app from main menu and accessing directly home activity with the pending intent of the foreground service. Maybe should I pass the parameters of the pending intent to the login activity and check them to redirect to home activity, but i'am stuck with this and don't understand.

Here is the login activity Page :

I keep getting these logs even when I called the unbind method after ranging. Wonder what might cause the issue?

The code is pretty much the same as the Ranging Example Code on Android-beacon-libary-Samples The only difference is I'm using a ForegroundService instead of an Activity.

Let me explain the scenario.
I have a task I need to schedule in every 10 minutes.
This task needs both network and disk resources EVEN if the app is in the background AND even if the Battery Saver has kicked in.
I tried AlarmManager, JobScheduler, and ForegroundService.
Then only one that seems to work when Battery Saver kicks in is the ForegroundService.

In xamarin I have started a Foreground Service in the MainActivity.cs like the following.