How to make an android app to always run in background

Question

I m using an android device  When I open the Settings   Apps   Running  there is an option on the top-left of the screen to see    1  Running processes  2  Cached background processes  And the app s  which I wanted to run always  24  7  is are unfortunately listed under  2  Cached background processes  which I wanted it them to be listed under  1  Running processes  if it is possible   Can it be done  Or in short  how to make an android app to always run in background   I hope I conveyed the question  -

User · Answer

On some mobiles like mine  MIUI Redmi 3  you can just add specific Application on list where application doesnt stop when you terminate applactions in Task Manager  It will stop but it will start again   Just go to Settings PermissionsAutostart

User · Answer

In mi and vivo - Using the above solution is not enough  You must also tell the user to add permission manually  You can help them by opening the right location inside phone settings  Varies for different phone models

User · Answer

You have to start a service in your Application class to run it always  If you do that  your service will be always running  Even though user terminates your app from task manager or force stop your app  it will start running again  Create a service  public class YourService extends Service         Nullable      Override     public IBinder onBind Intent intent            return null              Override     public int onStartCommand Intent intent  int flags  int startId               do your jobs here         return super onStartCommand intent  flags  startId            Create an Application class and start your service  public class App extends Application         Override     public void onCreate             super onCreate             startService new Intent this  YourService class             Add  quot name quot  attribute into the  quot application quot  tag of your AndroidManifest xml android name  quot  App quot   Also  don t forget to add your service in the  quot application quot  tag of your AndroidManifest xml  lt service android name  quot  YourService quot   gt   And also this permission request in the  quot manifest quot  tag  if API level 28 or higher    lt uses-permission android name  quot android permission FOREGROUND SERVICE quot   gt    UPDATE After Android Oreo  Google introduced some background limitations  Therefore  this solution above won t work probably  When a user kills your app from task manager  Android System will kill your service as well  If you want to run a service which is always alive in the background  You have to run a foreground service with showing an ongoing notification  So  edit your service like below  public class YourService extends Service        private static final int NOTIF ID   1      private static final String NOTIF CHANNEL ID    quot Channel Id quot         Nullable      Override     public IBinder onBind Intent intent            return null              Override     public int onStartCommand Intent intent  int flags  int startId               do your jobs here          startForeground                     return super onStartCommand intent  flags  startId              private void startForeground             Intent notificationIntent   new Intent this  MainActivity class            PendingIntent pendingIntent   PendingIntent getActivity this  0                  notificationIntent  0            startForeground NOTIF ID  new NotificationCompat Builder this                   NOTIF CHANNEL ID     don t forget create a notification channel first                  setOngoing true                   setSmallIcon R drawable ic notification                   setContentTitle getString R string app name                    setContentText  quot Service is running background quot                    setContentIntent pendingIntent                   build                        EDIT  RESTRICTED OEMS Unfortunately  some OEMs  Xiaomi  OnePlus  Samsung  Huawei etc   restrict background operations due to provide longer battery life  There is no proper solution for these OEMs  Users need to allow some special permissions that are specific for OEMs or they need to add your app into whitelisted app list by device settings  You can find more detail information from https   dontkillmyapp com   If background operations are an obligation for you  you need to explain it to your users why your feature is not working and how they can enable your feature by allowing those permissions  I suggest you to use AutoStarter library  https   github com judemanutd AutoStarter  in order to redirect your users regarding permissions page easily from your app  By the way  if you need to run some periodic work instead of having continuous background job  You better take a look WorkManager  https   developer android com topic libraries architecture workmanager

[android] How to make an android app to always run in background?

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