Android : How To Know What Activity Has Started Current

Oct 19, 2010

How can I know what Activity has started the current Activity? Is there any specific method like, i.e. getIntent().getCallerActivity() or the only way is saving some information within the Intent using putExtra()?

Android : How to know what Activity has started current


Android :: Finish Activity Not Started From Current Activity

May 1, 2010

I have following problem with my application: From my main activity ("activity 1"), there is a menu from which user can launch an action. This action will result in an Intent being received by a BroadcastReceiver, defined in my application. Finally, this BroadcastReceiver will start an activity ("activity 2") to deal with this intent.

The problem is that I have a "quit application" entry in my menu, and I can only finish() currently active activity. ie I am not able to finish "activity 1" from the menu of "activity 2". And I can't use startActivityForResult() as "activity 2" can't be started from "activity 1". Any suggestion would be much appreciated Thank you very much guys, regards.

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Android :: Activity Not Started Its Current Task Has Been Brought To The Front

Sep 23, 2010

I have a very simple android project. I got the following error message when I try to run it. The emulator is running but the application doesn't come up. I couldn't find any useful information online.

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

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Android :: ActivityManager - Warning -Activity Not Started Its Current Task Has Been Brought To The Front

Aug 25, 2010

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

Here is the code where the problem lies....

It doesn't give me an error it says exactly this when I run the android emulator

"[2010-08-25 09:12:42 - doppler_test] ActivityManager: Warning: Activity not started, its current task has been brought to the front"

What I think this means is that the intent of the bluetooth function and the button intent is only operation on a hierarchy system. What I mean by this is that if I were to move the button opperator above the Bluetooth stuff the button will work, but currently when the app is run Bluetooth works but when I press the search button nothing happens.

What else may be helpful is my XML code for the button so here it is......

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

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Android :: Splash Screen - Warning - Activity Not Started Its Current Task Has Been Brought To The Front

Nov 2, 2010

I want to display a splash screen followed by my trial.class.I am not getting any error but warning as:

Warning: Activity not started, its current task has been brought to the front

I have different-2 approches for this each time this warning is being displayed.

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

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Android :: Blocking Current Activity / Screen Till Current Task Is Complete

May 13, 2010

The default behavior of an activity when BACK softkey is pressed is, GO BACK TO PREVIOUS ACTIVITY. If some the same activity is waiting for some response from server or some data updation is going on and then press BACK, I want to wait on the same screen till the current task is completely processed and then move out to the previous activity.

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Android :: Handle Screen Orientation Changes With An Activity Started Within A Tab's Activity

Nov 2, 2010

I have a TabActivity, and each Tab corresponds to its own Activity. In one of them, in the onCreate method, I use startActivityForResult to show a dialog (specifically, Bump's BumpAPI activity).

code:...............

The problem is that when the screen orientation changes, it tries to create the tab's activity again which makes another BumpAPI dialog, resulting in multiple stacked on top of each other. Do I have a hook into the started activity to cancel the previous one when the orientation changes?

A workaround seems to be to add a button that when clicked, starts the second activity, but that adds an unnecessary step.

Also, I can't fix the screen orientation for the entire tabActivity because some of them require typing and users may want to use their physical keyboards.

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Android :: How To Launch External Activity In Current Activity's Process?

Aug 27, 2010

My app is comprised of a set of reusable Activities that other apps can reuse. For various reasons, I would like my Activities to be launched in context of the invoking Activity's process, instead of always being launched in my Activity's process (default behavior on Android). How can I achieve 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 :: Current Activity Force Closes - Tries To Go To Previous Activity

Nov 5, 2010

The default behavior from my observation is if current activity force closes Android tries to go to previous activity on stack How can I control this behavior? I want force close to close all activities

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Android :: How To Check If Activity Is Current Activity Running In Screen

Jul 16, 2010

I used Toast to make notification, but it seems it will appear even its activity is not in the current screen and some other activity has been started.I want to check this situation, when the activity is not the current one, I'd not send the Toast notification. But how to do ?

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Android :: Inform An Activity That Another Was Just Started?

Mar 31, 2010

I just want to get numbers of times to be used for each Activity.
So the very straightforward method I thought is increasing the count for an Activity when it was started. But how can I get the information?

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Android :: Can An Activity Find Out Where It Started From?

Jun 18, 2009

Is there a way to do this?

Can you access the activity stack in a way to grab what activity came before the one now in view?

I have a situation where an activity needs to know where it was started from, so it knows what data to display in that current activity.

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Android :: Starting Activity Behind Current Activity

Oct 2, 2009

startActivity() displays the new Activity on top of the current one. But how to display it underneath instead? BTW, I'm starting an Activity from another application, if that makes a difference.

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Android :: IF Statement For Intent Started Activity

Aug 25, 2010

I have a central activity that can be launched from two separate classes. I was hoping that in this central activity I could have an IF statement like

if(this.getIntent() == MainMenu.class)
{
// Do something here
}

But obviously that isn't legal so how could I structure an expression to check from what class an intent was started.

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Android :: Detect Activity Started From Service

Jun 25, 2010

I have small simple Service and big MainActivity with UI. Service is called periodically from AlarmManager. My Service need to know if MainActivity is on the screen and inform MainActivity about state changing.

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Android :: Which Activity Will On The Front If The Process Was Re-started

Jul 21, 2010

Suppose my application P started Activity A, and A started Activity B, then the activity stack contained A and B, with B at the top.

After that, I opened other apps by pressing Home button. Suppose after a while, the process of application P is killed by the OS. Then, I press Home button to select application P. At this time, which activity will be brought to the front, Activity A or Activity B?

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Android :: Finish An Activity Not Started From Service

Jun 17, 2010

I've a service which listens to user request for ending one activity and starting another activity. For Ex: Say there are activities1,2 ,& 3. Now if there is already activity1 started by someother activity then based on the user request i need to stop activity1 and start activity2 or activity3. If the acitivity1 is started by my service then i can do finishactivity(requestcode) and shall receive a call to onActivityResult() then i can start next activity 2 or 3. But can i stop the activity1 which is started by some other activity from a service?

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Android :: How To Start Activity From Service - If Not Already Started

Mar 19, 2010

I've successfully implemented a BootReceiver, AlarmManager, and Service per the code here: http://github.com/commonsguy/cw-advandroid/tree/master/SystemServices...

Inside the doWakefulWork method of the Service I am instantiating a few classes, but some of them require my Activity to be running. How do I actually start the Activity? The code above only starts the AlarmManager and Service.

There are also times where the Activity *is* already started, like if the user manually opened it. So I also need to start the Activity "only if it's not already running". Hows that work?

And what about the situation where the user first installs your application and may not even reboot their phone for a week. In that case, do you have to start the Service from the Activity? But then the Service will die with the Activity.

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Android : How To Clear Intent That Started Activity?

Jun 30, 2010

At the beginning Activity is launched by an Intent and something is done with this Intent. When I change orientation of my Activity, it's reloaded again and Intent is passed to the Activity. How can I clear that Intent to prevent Activity from using it again?

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Android :: Pass Data From BroadcastReceiver Through To Activity Being Started?

Apr 11, 2010

I've got an Android application which needs to be woken up sporadically throughout the day.To do this, I'm using the AlarmManager to set up a PendingIntent and have this trigger a BroadcastReceiver. This BroadcastReceiver then starts an Activity to bring the UI to the foreground.All of the above seems to work, in that the Activity launches itself correctly; but I'd like the BroadcastReceiver to notify the Activity that it was started by the alarm (as opposed to being started by the user). To do this I'm trying, from the onReceive() method of the BroadcastReceiver to set a variable in the extras bundle of the intent,Can anyone tell me what's different about passing a bundle from a BroadcastReceiver to an Activity, as opposed to passing the bundle from an Activity to a BroadcastReceiver?

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Android :: Communicate With A Location Manager Started From Another Activity

Aug 20, 2010

In my app I want to obtain a gps lock and record the coords. But I do not want to lock the device into looking for the gps. The user is to be free to traverse through the app and the different activities within.

So If I call a locationListener in activity A, can I reference it in activities B C and D?

if is was still in activity A I could say something like

A.this.mlocListener.removeMyUpdates();

When I am in activity B how can I reference the LocationListener I set up in Activity A

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Android :: Background Activity For Map Started Again When Orientation Change

Apr 6, 2010

i've developed an android app that's fetches an xml file and displays this data via several markers on the map. This works fine so far. The problem right now is that when i switch the orientation of the phone (portrait->landscape or vice versa) the markers disappear for a small moment, the xml processing is started again and then they reappear. Is there a way to prevent this re-loading of the file? It only takes about 2-3 seconds.

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Android :: How To Determine View Size Right After Activity Has Been Started?

Feb 19, 2010

I want to do some data processing (in a thread) right after my main Activity starts. For that data processing to be started I also need to know a visible size of my main View (which is a LinearLayout currently, but whatever).I wonder how to do that. I.e. I wonder what is the entry point (callback?) I should use to be sure that my main View has been layed out, so i can use view.getWidth/getHeight? Is creating a custom View and reimplementing it's onSizeChanged() - the only way? In this case how should I properly describe it in my xml layout file? (it will contain some child views)

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Android :: Java.lang.NullPointerException - Stop Started Activity

Jul 22, 2009

I have one Activity, that starts one Service and my service will lunch one Activity, i wanna to stop the Activity which one started my my Service after few seconds. Is there any way to achieve. Has anyone experienced this type of scenario.

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Android :: Pausing Main Game Thread Until Activity Started

Aug 13, 2010

In my game when the user completes a stage, I want the main game thread to pause/sleep/wait and a new activity to be launched called StageClear that displays information about points scored etc. After this has been displayed and the user has pressed continue I want the original game thread to resume where it left off. I have tried to implement this but have so far been unsuccessful, probably because I'm new to dealing with multiple threads and also the idea of synchronizing them. I most recently tried to implement a shared package-visible object that could notify after wait was called on itself, but I am getting errors in eclipse so it won't even compile, I think because though the object is declared public in an inner class, it cannot be seen or recognised by my activity elsewhere in a file in the package. I have already built both activities but my issue is getting the main game one to launch the other, and pause whilst it waits for this activity to finish, before the main game thread continues execution.

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Android :: Add An Activity On Top Of Current Activity?

Jul 29, 2010

Is it possible to add an activity on top of the current activity.
For example lets say i click a button, and then it adds a second activity to the current activity. And the second activity only covers a small place at the bottom of my current activity.

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Android :: How Do I Know Current Run Activity Name?

Aug 11, 2010

I have Serviceļ¼ŒSometimes current run Activity work in background I don't want to know. I want to know current work interface Activity name?

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Android : Get Current Activity From Service?

Apr 9, 2009

Is it possible to get the currently running activity through Service..?

i.e. I have a service started by an Activity A, and now I want to stop the service by another activty say Activity B.

Since Activity B doesnt know about the service, i want to capture the events in OnKeyDown() of the Activity B in my service...

Is this possible.. How can i get the Activity B's object..?

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Android :: Process Started / No Errors / Activity Not Visible On Android

Jul 5, 2010

I have developed an App that launches and works fine on Android 1.5 and 1.6. When I try and use it on version higher then that the app's activity starts, progress dialogs pop up and I can see my Async Task executing and the info being returned via Logcat. No errors or exceptions are shown. But the Activity never displays. All I see is the progress dialog showing over the home screen and then nothing. The process is active and running under the DDMS view.

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