If your device was not mentioned or you continue to face these issues after following the advice above Once you have successfully locked the App, you will see a small lock icon on top of the TraceTogether preview. Tap and hold the TraceTogether App preview to reveal a lock icon which you should then tap. Open TraceTogether, then open your recent apps. You will also have to lock the App in recent apps so that the App doesn’t stop running in the background. Open TraceTogether, then open your recent apps and drag the TraceTogether App preview down. Like Oppo users, you will have to lock the App in recent apps so that the App doesn’t stop running in the background. Please note if your Android version is below 8.0, you may need to perform the above steps again whenever you receive intermittent prompts to turn on Battery Optimisation for TraceTogether. Open TraceTogether, then open recent apps and select ‘ Lock ’ in the menu: To ensure that the App runs in the background, please do not swipe away the App or clear it from the recent apps view. You will also have to lock the App in the recent apps view so that clearing recent apps will not clear the App. If you have an older Android version and are unable to update to Android 9 or 10, please still carry on with the instructions below. To update your Android software version, please go to Settings > Software Updates and install the update. Oppo recently released a software upgrade that will fix this issue for TraceTogether on Android 9 and 10. Please read below to find out how to solve your issue. btnStopService ).If you are an Android user and find that the TraceTogether sticky notification keeps disappearing after some time and/or if you see this screen when you access the App: In order to add these dependencies we must add them to our adle file:ĭependencies findViewById ( R. I’m using Kotlin for this example, so we will be leveraging coroutines and the Fuel library for HTTP requests. It seems to be precisely what we’re looking for… an it is, indeed! Show me the codeĬreating a foreground service is really a straight-forward process so I will visit and explain all the steps needed to build a foreground service that never stops.Īs usual, I’ve created a repository with all the code in case you want to take a look at it and skip the rest of the post. Foreground services continue running even when the user isn’t interacting with the app. Foreground services must display a Notification. For example, an audio app would use a foreground service to play an audio track. Take a look at the Foreground Service description:Ī foreground service performs some operation that is noticeable to the user. There, we are introduced to the different types of services that Android provides. If you’ve been looking over the internet for a solution to this problem it’s very likely that you’ve eventually arrived to this page from the Android’s documentation. In our case, we want our service to run at a very specific frequency and never be stopped, so we’ll need something else. JobScheduler works well if you don’t mind about not having access to the network and you don’t care about not controlling the periodicity either. Check out the list of restrictions Doze Mode imposes. And even worst, if you ever want to access the network -say you need to send data to your server- you won’t be able to. JobScheduler will run jobs at Android’s discretion and, on top of that, once the phone enters in Doze Mode, the frequency of these jobs being run will constantly decrease. Essentially, they are killed once the app is in background for a while making them worthless for our purpose of running an always-running service.Īccording to Android recommendations, we should be using JobScheduler, which seems to work pretty well and will handle wakelocks for us, keeping the phone awake while the jobs are running. ![]() Hope it helps! The problemĭue to Android battery optimizations introduced in Android 8.0 (API level 26), background services have now some important limitations. This is just a guide for all of you who pursue the same goal. I’ve been struggling these days trying to find a way to run an endless service in Android.
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