Android :: Kill Sub Activities And Bring Activity To Top Of Stack

Aug 4, 2010

I have activity A that starts activity B which starts activity C

A -> B -> C

When a user clicks on a button in activity C, i want to bring A to the top of the stack and take B & C completely out of the stack. Is there a way to do this ? ?

Android :: Kill sub activities and bring activity to top of stack


Android : How To Bring An Activity To Foreground (top Of Stack)?

Feb 9, 2010

I defined an activity ExampleActivity.

When my application was launched, an instance of this activity was created, say it is A. When user clicked a button in A, another instance of ExampleActivity, B was created. Now the task stack is B, A, with B at the top. Then, user clicked a button on B, another instance of ExampleActivity, and C was created. Now the task stack is C, B, A, with C at the top.

Now, when user click a button on C, I want the application to bring A to the foreground, i.e. make A to be at the top of task stack, A, C, B.

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Android :: How To Keep Track Of Activities In Activity Stack

Aug 23, 2010

I need to keep track of currently existed Activities in Activity stack.

Can any one help me in that how to do it programmatically?

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Android :: Way To Visualize Activity Stack (activities In Memory) On Droid?

Jun 26, 2010

I'm currently debugging my app which is quite complex and has up to 5 activity levels. In order to detect memory leaks (i.e. activities that aren't removed from memory even finish() is called, due to some references held somewhere) I want to check which activities are still alive in memory. Currently I create hprof dumps, but it's not very convenient, cause every time I need to mount the sdcard, copy the hprof dump file from the sdcard to my PC, etc. (Side note: I already tried to automate the pulling of my hprof file more easily, but I'm on an unrooted device and adb pull <hprof file> won't let me / no permission.) Therefore I am wondering, if all I want to know is IF and WHICH activities are still currently alive in my memory, is there a way through the Android API or any other way on-the-fly with which I can achieve this (list all alive activities of my app), programatically.

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Android : Kill Many Activities Of App?

Aug 31, 2010

How could I kill all the Activities of my application ?

I try using this.finish() but it just kill one activities.

In fact, I would like when the user touch the button BACk (in only one of the activities), the application do the same as he touch HOME Button

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Android :: Kill An Application With All It's Activities?

Jun 23, 2010

I want to offer the user an option to exit the application as I need to delete some sensitive data, which is stored in the SharesPreferences as long as the application needs it.

As soon as the user wants to exit, the password in the SharedPreferences should be wiped and of course all activities of the application should be closed (it makes no sense to run them without the known password - they would crash).

How can I do that?

System.exit(0) and finish() only exit the current activity - useless. I know there is a taskmanager app. How is that one doing it? It's able to kill the whole application ...

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Android :: How Do I Clear All Activities From Stack?

Jul 8, 2010

I am having trouble popping all activities off the stack using ntent.FLAG_ACTIVITY_CLEAR_TOP and android:launchMode="singleInstance". In my application activity A, launches activity B (via startActivity) which in turn launches activity C (via startActivity). On activity C the user presses a menu item to return to activity A. When they arrive at activity A, I want only A on the stack such that if they click the back button they return to the home screen (desktop). This is the code that I am currently using when the user presses a button to return to A: Intent i = new Intent(this, A.class); i.addFlags(Intent.FLAG_ ACTIVITY_ CLEAR_TOP); startActivity(i); All activities are defined as android:launchMode ="single Instance" in the project manifest. My code doesn't seem to work though. Once I'm back on activity A if I click the back button I return to activity C. Am I misunderstanding how to use Intent.FLAG_ACTIVITY_CLEAR_TOP?

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Android :: How To Reopen A Stack Of Activities?

Sep 3, 2010

My App is Launched by "Main.java" (Activity) and opens a Notification and a second Activity called "Sub.java", now I press the Home-Button and the App disappears (everything okay until here). If I'll now click on the Notification the "Main.java"-Activity is launched, the "Sub.java" seems to be lost. Is there any possibility to reorder the Stack of Activities to the front?

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Android :: Stack Of Activity From Activity Stack

Nov 2, 2009

There is a stack of activity i want to call the activity from that stack , My question is that is it possible to check from that stack and call that intent.When i press home button and again when i press the executable it should start the activity where i have left .Is it possible?Any example related to the same would be great help

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Android :: How To Clear Current Activities In Stack?

Jul 26, 2010

Support App starts activity A, then A starts activity B and finishes itself. After that activity B starts activity C. Now the stack contains B and C, with C at the top. Then I click a button in activity C, and want it to clear B and C and start activity A, i.e. I want activity A to be the only activity in the stack. How can I make it?Edit: I made a test to use FLAG_ACTIVITY_CLEAR_TOP. But it didn't work in my case, because activity A is not running when button in activity C is clicked.

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Android :: How To Detect If Current Stack Of Activities (task) Moves To Background?

Jul 23, 2010

The official documentation describes tasks as follows: All the activities in a task move together as a unit. The entire task (the entire activity stack) can be brought to the foreground or sent to the background. Suppose, for instance, that the current task has four activities in its stack three under the current activity. The user presses the HOME key, goes to the application launcher, and selects a new application (actually, a new task). The current task goes into the background and the root activity for the new task is displayed. Then, after a short period, the user goes back to the home screen and again selects the previous application (the previous task). That task, with all four activities in the stack, comes forward. Is there a way to programmatically detect when the task of the current Activity moves into and out of the background? I would like to know when the user has switched switched to another application, vs. when the user navigated to another Activity in the current app.

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Android :: How To Clear Activity Stack If Using Same Activity Multiple Times?

Mar 3, 2010

So I have an app with Activity A. The layout on the activity is dynamic genearted. So it's possible that on Activity A a user hits a button that goes to "A" and the new page looks different, then a user clicks another button to go to "A" again. Now I have 2 Activities in the history stack. A, A, and currently on A. Is it possible that if a user clicks a button that the whole Activity stack is cleared in a scenario such as this?

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Android :: Finish Any Previous Activity In Stack From Current Activity?

Apr 27, 2010

How to finish any previous activity in application stack (at any level , I mean not immediate parent) , from current activity like on some particular event I want to invalidate this previous activity?

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Android :: Retain Only One Copy Of An Activity On Stack When Called From Non Activity

Jul 26, 2010

How can I make sure I only retain one copy of an activity on the stack when called from non-activity? When called from an activity I can just add the FLAG_ACTIVITY_REORDER_TO_FRONT flag to the Intent, but how can I do this from e.g. a widget or a notification?

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Android :: How To Clear All Activity In Stack Below Latest Activity?

Dec 22, 2009

All the current discussions involves clearing all activites above an existing activyt, but I'm trying to find a way to clear all the activities before the latest activity in the stack. So my scenario is A -> B -> C and then when a user goes to Activity D, activies A,B,C should be cleared from the activity stack. FLAG_ACTIVITY _CLEAR_TOP seems to only clear any activites above an existing activity. Anybody run into this scenario and found a solution?

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Android :: Clear Activity Stack And Replace With A New Activity

Sep 17, 2009

i want to clear the activity stack and replace it with a new activity as the root activity, even if that activity exists somewhere on the stack (or not). i see FLAG_ACTIVITY_CLEAR_TOP and FLAG_ACTIVITY_NEW_TASK, but it's not obvious to me how to use those in conjunction to achieve what I want. it's like i want to completely restart the task with some activity that i specify as the new root.

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Android :: Make A Particular Activity As A Root Activity In Stack

Aug 4, 2009

i have a set of activities on my stack Say A-->B-->C. when i launch the activity named 'D' it should get fired as the root activity of my application and all the other activities(A,B,C) should get cleared from my stack once Activity D is launched.Can any one tell me as how to do this

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Android :: Strange Activity Stack Behavior When Using Map Activity

Apr 23, 2010

I have the following activity structure in my application A simple "splash screen" activity is started when the application is fired up (let's call it "Splash"). This activity starts the main activity when the user presses a button (I will call it "Main"). Main can in turn start two activities from the menu. The first activity presents a simple form (let's call this one "Form"), the second is a MapActivity that presents a map (it is called "Map").
Main, Form, and Map are declared exactly the same in the manifest:
<activity android:name="fully qualified activity class"
android:screenOrientation="landscape"
android:configChanges="keyboard|keyboardHidden|orientation"
> <intent-filter>
<action android:name="android.intent.action.DEFAULT" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter> </activity> When Main is active and I start Form and press "back", Main comes up again. Pressing "back" again brings up "Splash". Nothing strange here.Now comes the strange part: when I am in Main, start Map, and press "back", Main comes up as expected. But pressing "back" again just restarts Main. A second press on "back" is needed to bring me back to Splash!So it seems that starting the Map activity somehow results in Main ending up on the activity stack twice while starting the Form activity does not! Both Form and Map are started like this: start Activity(new Intent(this, MyActivity.class)); I don not catch the back key in any activity.Any clues on what is going on or how to debug this?

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Android :: Closing More Than One Activity In Activity Stack

Nov 4, 2009

I'm new android and i want to know how to remove more than one activity from stack. We use finish() for closing particular activity but i wanna close more than one activity underneath it, at a time.

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Android :: How To Bring Activity To Front?

Apr 14, 2010

Lets suppose that i have an activity A, that activity is moved to background(function moveTaskToBack is used), and after while i want to bring this activity to front again. This code is used: Activity A = getActivity(); Intent i = new Intent(A, A.getClass()); i.setAction(Intent.ACTION_MAIN); i.addCategory(Intent.CATEGORY_LAUNCHER); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); A.startActivity(i);
Activity is on screen, but when i invoke later moveTaskToBack on A activity, activity is not moved to backgorund. Does anyone know why?

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Android :: Way To Bring Up Top-most Activity In Task?

Mar 26, 2010

If my app is already running, then either Activity1 or Activity2 might be currently on top. How to construct an Intent so that it will simply show whichever Activity is already on top (in the task)? Just like if you touch an icon in the Recent list (long-press home). At the moment, it looks like (for explicit Intents) you need to be explicit about the Activity to launch. But I would rather be explicit about the app (package name). FWIW, I'm thinking of Intents triggered via Notifications.

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Android :: Bring Activity To Front From Background Service?

Mar 17, 2010

I am aware my issue is against the philosophy of Android, but I have no choice, this application will run on a embedded car gps and I need to bring an activity to prevent from car accident, for example, when it's happen around the user. I have to put other activity on the back and bring my alert pop up without user manipulation like notification on the front. Is there a way to bring manually an activity to the front, by resuming it like when you click on the android task switcher?

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Android :: How To Bring Stop Activity To Foreground (restart) By Itself ?

Sep 22, 2010

How to bring stop activity to foreground (restart) by itself?i use Broadreceiver and intent to restart my activity.but always start two activity (include original activity)how to restart my original activity?

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Android :: Bring Activity In Background To Front Via Notification

Aug 5, 2010

I create an application which displays the notification when the service starts. If an user navigates to HOME screen (without exiting the application), the user could still go back to the previous application by pressing on the notification icon. This is very similar case as the track recording service in Google application "My Track".

I want the existing activity as Single Top activity since it has associated service running. However when my application tries to bring the existing activity to front via notification, the existing activity's onDestroy has been called which causes problem. How can I skip this onDestroy method? Here is my current codes:

CODE:............................

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Android :: How To Bring Existing Activity To Front Via Notification

Jul 28, 2010

I have one Android application, when it runs a service, I want to show the notification on the status bar. Then the user could navigate to other application by pressing HOME key. However when I try to bring the previous running application back to Front via notification icon, there is some problem with the existing activity. Even I declare it as "Single Top" mode (I want to run the existing activity since there is an associated service running) , somehow that activity's OnDestroy has been called before OnResume. Here is my code of creating the notification object.

CODE:.....................

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Android : Bring An Activity To Foreground From Background Manually?

Oct 19, 2009

In my application i wait on socket for network events.On some events i have to bring activity into foreground(make activity as running) if at all it is not in the foreground.

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Android : Bring My Activity To Foreground Automatically From Address Book

Sep 25, 2010

My Activity is running on the foreground and my Activity is getting pushed to background when I hit on the home button... I am trying to display the pop up at certain intervals, in this case as my activity is running on background when I try to display the pop up but thats not shown on the foreground.

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Android :: How To Clear Android Stack Of Activities?

Nov 16, 2010

Hi I have an application with several Activities in Android and I want the user to be able to log out by pressing a menu button. The problem I have is that A) Android doesn't let you terminate the applications and B) even when I send the user to the Login Activity again they can always press back and get right back to the previous activity they were in.I already tried to launch the Activity with the two following flags:
Intent intent = new Intent(this, LoginActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
I also tried with each one of them by themselves. I also tried calling finish() after startActivity(intent) as I read in another StackOverflow

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Android : By Clicking On My App's Launcher Icon, Bring My App To Foreground And Not Launch New Activity

Feb 28, 2010

My app has 2 activities - A and B. From homescreen I launch A, from A I launch B. The activity stack looks like this: A-B. Now I press HOME button, and from homescreen click again on my app icon, which launches A and adds it on top of the activity stack, which now looks like this: A-B-A. But I just want to bring my application to foreground, is that possible in Android?

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Android :: Kill A Service By Another Activity?

Feb 16, 2010

Activity 1 starts a Service, using the standard Intent. Activity 1 starts Activity 2. Then, Activity 1 gets finished().

Now, there's only Activity 2.

How does Activity 2 kill the Service, since that Intent was generated in Activity 1? I don't want to pass the Intent everywhere...

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