Android check if activity is running from service. Killing services have undefined behaviour.
Android check if activity is running from service onDestroy activity event doesn't come in this situation. I want to check if any activity is running, not the concrete activity. – flopshot. Source: Note that multiple calls to Context. activityStarted(); super. On a Chinese website, I found the Delphi wrapper code for the RunningServiceInfo which is missing from the as-supplied Androidapi. Service terminates and can be re-invoked via a system Broadcast event. The service can check the result data to see if the broadcast was handled, and if not take appropriate action. – Price. From activity 1 or 3: Intent intent = new Intent(Activity1. isDestroyed() from the docs package com. to start and stop a foreground service from an activity use : //start Intent startIntent = new Intent(MainActivity. – Sahil Mahajan Mj. One of the most reliable and efficient approaches is to use the ActivityManager class. In onPause, call a service method to let it know it is on the background. You can visualize the current activity stack with the following command: adb shell dumpsys activity It will show you something like this: Running activities (most recent first): TaskRecord{40538e50 #164 A com. I want to let the service know when the app crashes and do some other process. service" Now your service will be running in a separate process with the given name. When the service is started, the flag can be set to true, and when the service is stopped, the flag can be set to false. Thanks in advance. I Have a service that when i start it, schedule with alarm manager to run on 00:00, i want check that my service is running or not ? when i check in Settings -> Applications -> Running Tasks, My Service Exist In Cached Process so below code is not working, because my service noting in running service, can any one help to me ? I am starting a service in a different process from an activity. packageManager val intent = Intent(action) val resolveInfo: List<*> = packageManager. 6. Sample Code. YourService"></service> in manifest. If you want check service running or not then use one static variable in service and check before start your service. ACTIVITY_SERVICE); for (RunningServiceInfo service : private boolean isMyServiceRunning(Class<?> serviceClass) { ActivityManager manager = (ActivityManager) getSystemService(Context. ; Check if the window is an activity by calling PackageManager. I have an app that runs foreground service. But I haven't find way to know if the service is running or not. I need to know when you start the application manually (in the Main. startService() do not nest (though they do result in multiple corresponding calls to onStartCommand()), so no matter how many times it is started a service will be With regards to "2. ActivityManager activityManager = Android has no FLAG_ACTIVITY_REORDER_TO_FRONT for fragment backstack. intended import static android. If you need more detail, try dumpsys <service>. I have following queries - How to check if Application/Activity is running from a background service? If I register and un-register broadcast listener in onPause() and onResume() in my activity, do i still need to check if activity is running? You can now respond in the activity when it is running. 1 - In your Service, create a class that extends Binder and returns your Service This happens when the Activity will be going through its destruction when the background thread finishes its work and tries to show a Dialog. You can have only 1 activity visible at a time. Detect an app running as in detect while your app is running if a map app is in the background? Or do you mean automatically launch your app when a map app is ran? The former you should be able to accomplish with something along the lines of @Kasra's answer, however, I'm not sure if the latter is possible. activities/xxx} Run #2: HistoryRecord{xxx com. Below 4. MATCH_DEFAULT_ONLY) If your activity is running, it wont create a new one. How can I achieve that? FYI: I have checked all the related answers The application is configured so that service can continue to run after the activity has stopped and been destroyed. I am not sure the API provides directly an API, if you consider this thread:. Conclusion. Now the service wants to start activity B again. Checking if an Activityis null does not mean the Activity is destroyed. Commented Aug 28, Android check if service is running from another application. Consider this, if the delay time in mHandler. Dialog; import android. Android how to check if the intent service is However, lets say I use the menu to go to activity A. Aug 28, · Then: 1. yourpackage. ActivityLifecycleCallbacks, ComponentCallbacks2 { LifeCycleDelegate lifeCycleDelegate; boolean appInForeground = false; public AppLifecycleHandler(LifeCycleDelegate lifeCycleDelegate) { this. Lets say the background service needs the activity that started it to update something. The ActivityManager provides Ensuring that services are running as expected on your Android device can be crucial for both development and troubleshooting processes. I have the following code that i thought would check but it is returning false when the GPS icon in the notification bar is still flashing. How I can check if the activity has bound the service? Really what I need is easy: create activity -> get info from service using AIDL -> update UI. getSystemService( ACTIVITY_SERVICE ); Share. I want to check if service is running or not after the application is force closed by user. ACTIVITY_SERVICE); // Get a list of running tasks, we are There are 6 activities in my application . and when it is stopped again it shows "running" only. This guide will help you In this example detecting current running activity from top of the activity stack. 2 I want to check whether my service is running in or not, I was using below code which was working fine till nougat but not working in OREO. Then you should check whether running activity is equal to the certain activity. GPS_PROVIDER) which used to return always false. The service is designed to run even when the app is closed. private boolean isMyServiceRunning(Class<?> serviceClass, Context context) { ActivityManager manager = (ActivityManager) context. The user can restart/start the activity multiple times and it will use the same instance of the service. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Using Kotlin If you need to do something when intent is not available, fun isIntentAvailable(context: Context, action: String?): Boolean { val packageManager = context. I can do this X times, but now the back button will go back to the same activity X times. For devices running Android 10, you can list all currently running services with: adb shell dumpsys activity services | grep "ServiceRecord" | awk '{print $4 I will explain step wise so you can understand better Steps: 1. The opposite happens if the activity was already running. player: not found otherwise. Android: test from a service, if an Activity is running. How my background application can know what the application currently running in the foreground is. The most reliable way to check if a service is running is by querying the Android operating system through the ActivityManager class. ; In the onAccessibilityEvent callback, check for the TYPE_WINDOW_STATE_CHANGED event type to determine when the current window changes. In many situation the Activity is running while getting message and I don't want to start it again. Like in case of static varibale:. pas You can check it through a static variable or can save a variable in SharedPreference to check whether activity is active or not. ps | grep com. How can I tell if the activity is already running so a user can't keep opening the same activity? Another approach to checking if a service is running is to use a static boolean flag within the service class. Login / Register. If that false then start service. permission. Finding my service is try { context. When your service is working in background,really your App is running!If you want to check any Activity of your App is forground or background,I think that you can use lifecycle methods of Activities and set boolean in Application class or you can get list of running tasks in your service and check is any of your Activity is running:. The Application is always the same for all your Activities/Services. Lifecycle import androidx. You are certainly welcome to use PackageManager and queryIntentActivities(), queryIntentServices(), and queryBroadcastReceivers() to try to deduce In the onCreate() of every Activity you make you should do . Select your mobile device as an option and then check your mobile In Android, you can use the ActivityManager class to check the status of activities. Check Sorry I cant find where the problem is, but maybe, you can try the following method: As you are using a broadcast receiver, why not try to send a broadcast(A) in the "onCreate()" of "NotationActivity" and another broadcast(B) in the "onDesdroy()". Share. User can switch to the Recent screen and kick the application out of memory. Use startActivityForResult in your calling activity to start the activity: ActivityCompat. It works fine but i want to test from within the calling activity if the service is running. To review, open the file in an editor that reveals hidden Unicode characters. Bind to a Service if exists. FLAG_ACTIVITY_BROUGHT_TO_FRONT) => Activity A will show up as it was exactly before showing Activity B. onStart(); active = true; } @Override public void onStop() { super. class MyActivity extends Activity { static boolean active = false; @Override public void onStart() { super. test. view. But in Activity Manager Running Service Info, I am not getting the class of intent service that I am running, so this always stands false. 0. GET_TASKS permissions in the manifest. Commented Jun 28, 2014 at 13:07. So if you want to easily keep state while switching between tabs AND not run out of memory, using activity tabs instead of fragment tabs is the only way. onTerminate() This method is for use in I'm starting to develop an Android sticky service for my app with Delphi 10. ProcessLifecycleOwner class AppFirebaseMessagingService : FirebaseMessagingService(), DefaultLifecycleObserver { One solution now is to bind your Activity to your Service. os. @Override protected void onResume() { super. getRunningTasks(Integer. Menu; import android. Check out the Android Developers' Guide for a more detailed explanation (the quote is from there as well) You can use shell command to check if your application is running. There is a small chance that the receiver's onReceive(Context, Intent) Where to Find Running Services in Android 6. Does anyone know if it's possible to see if an activity/service of another app is currently active/in This command checks for the presence of a service within the shell, providing a familiar method for those accustomed to Linux environments. Here's a simple way to check if a certain activity is running: private boolean isActivityRunning(Class activityClass) { ActivityManager activityManager = (ActivityManager) getSystemService(Context. CustomApp app = (CustomApp)getApplication(); app. 1 to Android Android: public class LocationService extends Service { @Override public void onStart(Intent intent, int startId) { super. For example: whether the user opens Facebook or Google+ or Twitter (any app) - I want a receiver in my Service to catch it for me to perform an action. I have stress tested this and I am now unable to "break" my activity. If the result is non-null, there is at least one app that can handle the intent and it's safe for example my App have 3 activity main Activity A,and other B ,C,so i want to know if i can know B or C Activity is running,i know how to check Main Activity A using PackageManager. startActivityForResult(this, new Intent(this, MyActivity. UPDATE (Jul 2015): Since getRunningTasks() get deprecated, from API 21 it's better to follow raukodraug answer or Ed Burnette one (I would prefer second one). Then you can call a method of your Service from your Activity, to check if it is running. e. Close activity from service. The application is started with activity A. Check if Activity is running from Service. onStart(); } @Override @CallSuper @AliKhaleqiYekta it depends on the definition of isRunning variable. I am trying to stop a service which is running as foreground service. This shows both running processes and services, along with how I am working on an app that needs to check If there is any screen saver kind of app is running currently or not, based on that I need to launch my own app. activity = activity; } @Override public IBinder onBind(Intent intent) { // TODO: Return the communication channel to the service. player returns information about My service runs for a much longer time than activity does, Its only the one of the operation that needs to identify if activity is running. using this will help you clear off all the top activities called before A in your app. Intents. You will receive an onStartCommand() in the service. OnAlarmListener; how to check if location is enabled android; android check if app is running; check if service is running server; check if systemctl service is running linux; android start service; google service check in android how can I interact with the running activity from the service or what is the correct way to achieve the intended behaviour? The best way would be simply to use Event Bus (i. So how can I check whether the Activity is running? @mbpatel You can append your package name to the command, like this: adb shell dumpsys activity services com. java). Android check if service is running from activity. So keep that in mind. ; You can use ProcessLifecycleOwner from Jetpack lifecycle components. I am very new with Android Development. Any help would be greatly appreciated. Get started Activity. – Because I would like to inform the user if the service is running or not. If activity is not in the task stack, new one will be created. Its lifecycle is the composite of all Activity lifecycles in your app, so this will check if any Activity is in that state. isFinishing(). In fact I want to see that if that Activity is already running (visible or not killed yet) just take it to front and otherwise start it with new task. isActivityVisible() Credit goes to the SO post! You didn't explain why you need this. MAX_VALUE)); From API docs: Android Check if Service is Running This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. mypackagename. RunningAppProcessInfo appProcessInfo = new ActivityManager. public class MyApplication extends Application implements ActivityLifecycleCallbacks { private static I'm creating a media player app. different instance of the app. – Ravi Sharma. My understanding is the runnable is running while the thread is in the try block, once it exits, isRunning=false. Follow answered Dec Check if activity is running from service. Android check if service is running from I am making an Android app. g. s. CallSuper; public class TestActivity extends Activity { @Override @CallSuper protected void onStart() { MainApplication. RunningAppProcessInfo(); ActivityManager. Here's a simple way to check if a certain activity is running: ActivityManager activityManager = Several methods can be used to check if a service is running in Android. In my case I have a BroadcastReceiver implementation that calls Context#unregisterReceiver(BroadcastReceiver) passing itself as the argument after handling the Intent that it receives. espresso. In this example detecting current running activity from top of the activity stack. getActivityInfo(). I start new activity when click menu item even if same activity started previously . getApplicationContext(). activityPaused(); Check for the state and perform logic based action; MyApplication. for that you could use Alarm Manager to check after some time. ps | grep service. Also: Remember that I am in a Service so I don't Design robust, testable, and maintainable app logic and services. a button press). LifecycleOwner import androidx. 50. Introduction Libraries Navigation Modularization Build AI-powered Android apps with Gemini APIs and more. I am using the below code but it shows "stopped" before starting service. matcher. Android Service is running, but it doesn't show up in settings -> running services. . Context. is there a better more reliable way to see what application is currently in the foreground? //use this code to check your service is running or not. – Ashim Neupane. public class MainActivity extends Activity{ public static boolean activityStatusFlag= false; //define this variable to check if activity is running or not. bindService. You can add an android:process attribute in the manifest, e. Commented Aug 23, Android Service Activity Intent. – Simas. If you need to check any of the app's activity is running, you can create a base class for your activities and override onPause and onResume. currentActivity = this; Or better create a BaseActivity extending Activity and make your activities extend BaseActivity so you dont need to write that in every onCreate. 4. 1. In my android application from my background service I want to launch activity with transparent background. Checking if a service I have a service that starts in my Application class in my android app. To check whether your activity is running or not, you should use, I found a solution that doesn't involve passing data from one Activity to another. So, to determine if an activity is the last one: request android. <service android:name=". activities/xxx} Run #1: HistoryRecord{xxx If the Service needs to continue background operations even when no Activity is running, also start the service from the Application class so that it does not get stopped when unbound. ScreenCaptureCallback; AlarmManager. The user should start and stop the service manually (via. Activity or Notification via Ordered Broadcast. ACTIVITY_SERVICE which is used to retrieve ActivityManager. Commented Apr 12, 2013 at In your activity's onResume function, register a broadcast receiver that will call the activity's finish() method. RunningAppProcessInfo> runningProcesses = am. You can detect the currently active window by using an AccessibilityService. The best bet would be to check if Activity. Add a comment | Your Answer Android Activity check service to start another activity. unable to start service from activity using startService. How can I do this. If true, then it is not safe to work with such Activity, if false at least we know the Activity's destruction has not been triggered. java) if my service is still running. ACTIVITY_SERVICE); for This is the simplest way to do this: boolean activityExists = intent. Suppose you have a task like , when user opens message/phone call/any application ActivityManager manager = (ActivityManager) context. Check if app is open during a GCM onMessage event? 6. java in This solution only works for android API 4. MyApplication. Its then when service checks if activity is running. In this way we can find out current running application and task. app. , some enum) that indicates what you are supposed to do with the Intent. Activity; import android. but this sometimes shows services like com. RunningTaskInfo> Activity is still in memory that's why your code is executed to finish it completed call finish() after starting another activity. Android check if service is running from another application. Use getRunningTasks() Developer: I want to send data from my Service and update the Activity. This exeption is rare to reproduce but happens when we do some async task / background operation and want to display a dialog with Activity context and in the mean while our activity is destroying itself due to some reason. When I starts or resumes the application I want to check if the media player was already playing a song. For example, adb shell dumpsys media. On the other hand you don't have to check if service is running before starting it. postDelayed(sendData, time); is very large. App. 1 you also need to override onWindowFocusChanged method of your activity to see if it really has focus or not. buetooth even when a different activity is in the fore ground. So you can either start it explicitly or making Bound Service connection with bind() that will create new if not exist. ACTIVITY_SERVICE); for Use an AccessibilityService. But i don't know how to recognize that android killed my activity. e behind * another application's Activity). onStart(intent, startId); startActivity(new Intent Instead of a central code execution paradigm, Android breaks the code initiation down into components such as Activities, Services, etc. Instead you should be called when AsyncTask is done: from it's onPostExecute() call whatever method in Activity you need. ADB command: adb shell service list | grep com. The Activity can be destroyed and still hold data created in it. TYPE_SPLIT_SCREEN_DIVIDER. bindService( // p. And the activity should know, when the user starts the it the next time, that the service is already running. You MUST call startService for your service to be properly registered and passing BIND_AUTO_CREATE will not suffice. hasComponent Then add IntentsTestRule in your test class @Rule @JvmField val mainActivityRule = IntentsTestRule(MainActivity::class. yourpackage You can use ProcessLifecycleOwner in the AndroidX Lifecycle library and check if the current lifecycle state is at least STARTED (visible to the user) or RESUMED (frontmost), depending on your preference. When running Android Oreo or later, the work is dispatched as a job via However, it is still possible that Android will kill your service process if it isn't "in use". If you are not doing this, you'll get a memory leak (when configuration changes, for example). To check if your service is running. Storing references to Activity is the first thing you shouldn't do with activities. The neatest and not deprecated way that I've found so far to do this, as follows: @Override public boolean foregrounded() { ActivityManager. getRunningTasks For non Activities and Services I decided to check if Component was null – CQM. In Android, you can use the ActivityManager class to check the status of activities. The service runs every hour, and I do not want it to start every time the app is opened, which seems to be what its doing now. DefaultLifecycleObserver import androidx. How can i get that running Ok, I think I've found the answer I was looking for (it's all in asking the right question). java. Assuming App crashes here means your app's process is killed by Android system, and in such an event, Service will stop running when system kill your application If the Activity was not running, OnCreate will be called but OnNewIntent will not be called. I have used Broadcast for API calls response. Check if your Android Activity is running in background - isBackgroundRunning. Skip to content. ExampleService" android:process="com. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You run this code in your activity and it checks if settings are currently opened. There mustn't be any activities that run in the same process since having an activity open also causes the process to enter foreground mode. 1+ . onCreate() Called when the application is starting, before any activity, service, or receiver objects (excluding content providers) have been created. There is no need to start new activity. There is a period in which all the statements in the current try block complete, and the Check if Activity is running from Service. Follow The NewActivity is being started from a Service. addFlags(Intent. FLAG_ACTIVITY_CLEAR_TOP); intent. – I want to display service status,if it is running or stopped. in onCreate -> startService 2. class); startIntent. in service -> using asyncTask(it store data to sqlite) (i want to display PrgressDialog as first time running apps) 3. xxx} Run #3: HistoryRecord{xxxx com. ActivityCounter. android. Just check the position of any top left view of your layout (can be invisible), if it's on position 0,0. import androidx. If the service is already running, onCreate isn't called but onStartCommand is. Once it is started, it runs forever. This seems to occur when you use the new version of Play There is a nice hack, using the absolute position of a View on screen. onResume(); activityStatusFlag = true; this. onDestroy(); running=false; } Then, I check "if running" periodically in my async code. I have an implementation, that fires a Service on Boot Complete, but I also want to start the service in onCreate of MainActivity, in case the service was not started A good solution I've come up with is to run your AccessibilityService in a separate process. If it starts another activity, that activity is assigned to a different task — as if FLAG_ACTIVITY_NEW_TASK was in the intent. ACTION The way I'm doing now is by creating a Boolean flag for each task while in process and then when the activity binds to the service it checks which flag is true to send the right callback to the activity. 0 Like I noted earlier, on. How to check if an activity is running in background/foreground from a service? 0. However what @NachoColoma suggest is wrong because the WeakReference may still reference a non You can use shared preferences or extent from Application class where you store last/current activity visible. This approach ensures that you get Information about running services is provided by the Android operating system through ActivityManager#getRunningServices. isProviderEnabled(LocationManager. for e. an EventBus tailored specifically to Android. getRunningAppProcesses(); To check if your application is sent to background, you can call this code on onPause() or onStop() on every activity in your application: /** * Checks if the application is being sent in the background (i. putExtra("origin","activity1"); // or activity3 if you're running it from activity3 startActivity(intent); in Activity 2, you wanna detect the origin: in onCreate(): Check if your Android Activity is running in background - isBackgroundRunning. If you extend class for Application or you are targetting devices API Level 14 or above you can implement ActivityLifecycleCallbacks. Android 5. import static android. if the user was already using the media player and left the app by pressing home or back button first you should start a service, that should look after particular time that whether your activity is running or not. player gives Service media. Android: Check if service is running via. mycompany. getMyMemoryState(appProcessInfo); return (appProcessInfo. Reliable Method to Check Service Status. The current issue is that when I call stopService() the notification still stays. Of course in that case you couldn't use a If the activity has finished or is not on screen, it is safe (and not a bad practice) to use startActivity and create a new instance. it after that using second asynckTask will Maybe android isn't done stopping the service. You can check it running over the active fragments of that activity and checking if one of them is DialogFragment, meaning that there's a active dialog on the screen: I've confirmed compatibility from Android 4. 5. It is android. But onDestroy() may not be called. Intent intent = new Intent(this, A. android:launchMode="singleTask" or The API should be changed to hand you a PendingIntent, which handles this problem. Your activity registers listener in onResume() (and deregisters in onPause()) and your service simply broadcasts the message when times comes. Reasoning. Killing services have undefined behaviour. xxx/. If you really want to have one and only instance of your activity you can add the following line to your activity tag in the manifest. ; Checking if Activity. One things that could be an issue is that you mentioned in your blog post to "Define an action string you will use when the event occurs that you want to go to the activity or notification" I'm simply using a String I made up that is the same in my manifest file, the intent-filter I create in my activity, and in the intent my service fires the broadcast with. Is there any way to check if there are any PiP's currently active when: I'm in my app and pip is overlaying it I'm in launcher and pip is active If so, Call intent with FLAG_ACTIVITY_NEW_TASK and on main activity add: android:launchMode="singleTask" android:clearTaskOnLaunch="true" On the others add: android:finishOnTaskLaunch="true" This way it will kill off any activity when returning to the app after being in background. It works, but with more tasks, it gets more complicated and even harder when errors occur. resolveActivityInfo(getPackageManager(), 0) != null; It is also the one recommended by Google:. Commented Nov 17, 2012 at 5:30. Toggle navigation. That means that you'd left the Activity and opened it again, 2 cases are possible: Android AsyncTasks How to Check If activity is still running. Since Application class doesn't have onDestroy method, I won't know if it is running. player: found if it's running and Service media. How to determine if an Android Service is running in the foreground? Check if Activity is running from Service. Bundle; import android. For example, you could have the following method to do so: private boolean And create a base Activity class that other activities would extend: import android. onLowMemory() This is called when the overall system is running low on memory, and actively running processes should trim their memory usage. If I put a button "update" all work fine but I don't know how to do this automatically. I have problem, that is, My MainActivity can be created by 3 ways: standard app launch; from Service; and from notification click. mypackage – David Wasser Commented Mar 31, 2022 at 13:26 Let's assume you have 3 activities where Activity 1 and Activity 3 can open Activity 2. IntentMatchers. Because of the fact that the application is transparent I always want it to be displayed on So before the launch I would need to somehow check if any activity is currently opened and if it isn't then open home activity and after that This is a similar question to How to check if a service is running on Android? but since the question is old and the answers provided there are deprecated or not working properly. Your Activity/UI can listen to events posted on the Bus from the Service, and decouple itself from the backend @rekire @NachoColoma Use of WeakReference is not advised for caching, this is not caching, that is the mCurrentActivity will only have a reference to it when it's alive so the WeakReference will never be collected while the Activity is on top. I have an app that gets GPS co-ordinates. Android: how do I check if activity is running? Related. 3. When there is only the service running (activity is paused/hidden/whatever) I want to process these bitmaps without changing any UI. In your service, when you want to close the activity, simply send the broadcast. TextView; import I think the only way to do this without an Activity is by using an AccessibilityService that has the permissions to get the list of windows currently displayed and check if there's a window whose type is AccessibilityWindowInfo. How to check if an IntentService was started. annotation. Test whether intent is You can ask for the running tasks from ActivityManager: ActivityManager activityManager = (ActivityManager)getContext() . This approach ensures that you get accurate information about the current state of Does anyone know if it's possible to see if an activity/service of another app is currently active/in foreground? To run the app from android studio, open one of your project's activity files and click Run icon from the toolbar. To check if current activity is there or not you have to override onDestroy() method which is called everytime when your activity is completely destroyed. I think the reason why your service is not listed in running services is the way you start your service. onStop(); active = If your activity is not destroyed, then it's still running, no? Anyway, if you're concerned that it might take a long time before a finished activity is actually destroyed, you could make a check in the onActivityPaused whether the activity is finishing (call activity. Like the following: I think you should check the concept of Application in Android. 1 Berlin, but I haven't found any tutorial or book that get into it, so I'm asking: Which is the simplest way to detect i I have an activity that starts a background service. Android UI Thread. this context of application, it's bounded to app process instead of activity context getServiceIntent(context), object : ServiceConnection { override fun onServiceConnected( className: ComponentName, service: IBinder ) { // service is running in background startForegroundService(context) // service should be A service will only run once, so you can call startService(Intent) multiple times. Follow Android: Check if activity is destroyed by a system from service. lifecycle. Well, you can, but you must track Activity lifecycle and release the reference after its onDestroy() is called. To simply check whether a specific service is running, use: adb shell service check <service> For example, adb shell service check media. isFinishing()) and handle it the same as activity being destroyed. example. Once I'm in activity A I can use the menu to go to Activity A again. I want to check if it is running, and if it isnt, then run it. Now when I reopen the app the service may or may not be running. 2. (ACTIVITY_SERVICE); // get the info from the currently running task List< ActivityManager. because if the activity was declared in Manifest, then the above code would actually run (which snatches the developer's activity). So that if it was I will set my Pause/Play ToggleButton to Pause, else it was not playing earlier then button will set to Play. The service was sending broadcast but then had receiver issues as it was an anonymous receiver but it had to run between activities which was not possible as I had to unregister it. 2 Android: test from a service, if an Activity is running. getSystemService(Context. when service is started it shows "running". 0 can i check to see what application is currently running from a service? 2 Android: test from a service, if an Activity is running. activityResumed(); and inside the onPause call . content. Exactly these two phrases: "The foreground lifetime of an activity happens between a call to onResume() until a corresponding call to onPause()" and "If an activity has lost focus but is still visible (that is, a new non-full-sized or transparent activity has focus on top of your activity), it is paused. Add a comment | public class MyService extends Service { Activity activity; public MyService(Activity activity) { this. For checking activity is running or not follow this question } public void onDestroy() { super. The service sends a broadcast that will let the application start Activity B Now the user starts activity C. FLAG_ACTIVITY_NEW_TASK); startActivity(intent); Here FLAG_ACTIVITY_SINGLE_TOP opens existing activity if it is at the top of task stack. But only when the Activity is on the top (visible/active/running) I want to refresh ImageView to display currently processed bitmap (it will be 5 FPS). Is there a way to check in foreground service if application is Service cannot be checked to see if it was started already, Android Services are designed to handle multiple client, and when bind method will create the service if not running already. importance == My application run a service on startup (Service. sleep()?). checkgoogleplayproject; import android. Commented Apr 16, 2018 at 10:13. It will make your history consistent. java) Finally check the activity has launched intent May you want this: /*** * Checking Whether any Activity of Application is running or not * @param context * @return */ public static boolean isForeground(Context context) { // Get the Activity Manager ActivityManager manager = (ActivityManager) context. setAction(Constants. This option can be set in the app settings: The effect of this is described briefly on this page : alarms When service receive an event i have two scenarios. ACTIVITY_SERVICE); List<ActivityManager. The service must be the only service in the process that tries to run in the foreground since otherwise you won't know which service caused the process to enter foreground mode. – In my app I have foreground service which works differently depending on existance of the application it belongs to. Home; Android; NEWS; Screen Wake Sleep Event I had some issues with lm. GreenRobot's or local broadcast). Following my code on Main. The only way I have been able to come up to do this - is to have a Timer running in the onCreate() function of my Service. lifeCycleDelegate = Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Lets try to explain my question: I got an application and a service. You can use that alarm to start the service instead. <service android:name="com. how can I check if Activity is started by default or a method of the Activity is called from an intent in an other activity? I think at the moment my Code is very bad, because i handle it over a Try/Catch It works fine, but i want better code Using the IF statement to see what intent started the activity - ANDROID. RunningTaskInfo > taskInfo = am. And to get the running service list for your package, service list | grep com. This works perfectly and has the advantage of being simpler than some of the solutions I have seen on SO. But this is definitely bad design. thank you This is asynchronous programing - you should not check from UI thread, because this means that you are blocking the UI thread ( presumably running check in loop with Thread. 10. support. note: I need to know at Run-Time because I have to alert a server ahead of time before actually trying to run the activity. Then how can I start the activity again "If it is not started" however if it is already started then send a broadcast? Thanks It's the only activity in the task. When the user closes the activity (BACK button), the service should remain running. If it is not at the top, but inside stack, FLAG_ACTIVITY_CLEAR_TOP will remove all activities on top of target activity and show it. " Do NOT use the getRunningAppProcesses() method as this returns all sorts of system rubbish from my experience and you'll get multiple results which have RunningAppProcessInfo. (Context. public class AppLifecycleHandler implements Application. 2 Android: how do check if service is running? Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Create a Application class. x and below, you could see what was going on by jumping in Settings > Apps > Running. That you can check what activity is the top one wherever you want Then for whichever activity you wish to check for, inside the onResume method of that activity call the . All the approaches using onDestroy or onSometing events or Binders or static variables will not work reliably because as a developer you never know, when Android decides to kill your process or which of the mentioned callbacks are called or not. There's possibility to check current tasks and their stack using ActivityManager. First, if activity isn't killed i need to send result to local broadcast receiver and update UI. The following proposal is the same thread you took your method from. Just send the data via LocalBroadcastManager from your Service. Additional Tips for Android 10 and Beyond. class); intent. (i. systemui or com. Or, the API should be changed to hand you a flag (e. How do I check if the Activity is in the foreground? There is usually no need to check if the Activity is in the foreground or not. Normally the activity will notify the service it has been destroyed during onDestroy(). i guess this is checking services instead of activities. IMPORTANCE_FOREGROUND. So workaround was a callback. intent. " so if a transparent activity or halfwindow activity comes to front, your activity is How do I check if an activity is running already and if so, restart the activity? Better you can follow this: How do I restart an Android Activity. If the Activity is on, then it will respond and act. Android 9 introduced an option to restrict an app's battery usage (sometimes phrased as limiting app background activity). queryIntentActivities(intent, PackageManager. To first verify that an app exists to receive the intent, call resolveActivity() on your Intent object. After starting the service from the activity, I close the app. class), 0, null); In the callee Activity, you can use the following code to detect the calling activity. If the activity is currently shown, the broadcast receiver will call its finish() method. this,Activity2. Before I finish the current activity, I want to check whether there is a dialog popped up in the current context. ACTIVITY_SERVICE); List<RunningTaskInfo> runningTasks = activityManager. If you need to check any android check if service is running from activity the app’s activity is running, you can create a base class for your activities and override onPause and onResume. Second, if it's killed by OS i want to recreate it and send data in bundle. Android how to check if the intent service is In the Service I need to detect and log all app launches. JNI. I was wondering the same thing. this, ForegroundService. This approach is simple and efficient but requires modifying the service class. Thus the separate question. What I tried: Show Activity A, then when you need it then show Activity B, then when you need it then show Activity A again, by calling startActivity + setFlags(Intent. – JourneyWithAndroid. So I just need to know weather the activity which i am going to start is the same activity which is running, based on that if same activity then I'll just update some UI contents else start new activity. widget. – Semyon Tikhonenko. Improve this answer. isdcjmpnfjbfxmwidreihszudepsbvzikmyvoczujznhdflxuhu