Android :: 5 Activities In Activity Group?
Nov 2, 2010
Today i met with the serious problem. Actually i have 5 activities in my activity group.
From 1st activity i go to 2nd and from 2nd i go to 3rd and so on....and on the 5th screen when i press back key i came to 4th and so on....
When i again go to the same process it displays me the previous displayed data as well on the screen. m not able to find the sollution for the same.
I need that every time i follow the process it will show me the new data not with the previous one data.
I cant paste the whole code. its 5 activities.
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Mar 24, 2009
I have created map view using XML layout in MapActivity and want to use this map view in another Activity group. I got mapview object in Acitivity group using GetWindow.Decorview(), MAP view is also displayed in the same layout of Activity Group. But without any image, only white background with some grid. Map view is not getting refreshed when i scroll on Map view. But if i launch independently MapActivity , i am able to see the map and it is getting refreshed when i scroll on the map. May I know how can i use and refresh Map view in an activity group? As Mapview can only be created/inflated in MapActivity.
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Nov 13, 2009
I want to change the current activity inside a tab in a tab activity, after some research, I know that I need to use activity group to go this.
Then I created a new class extends ActivityGroup with the code below:
CODE:............
Then I run the program, the program throw the ActivityNotFoundException when the intent for the tab is launched.
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May 8, 2010
Say I have 2 activities (ActivityOne and ActivityTwo). How would I call ActivityTwo from ActivityOne? Then how would I return to ActivityOne from ActivityTwo? For example, I have a listview with all the contacts on the host phone. When I tap on a contact, another activity shows information and allows editing of that contact. Then I could hit the back button, and I would go back to the exact state that ActivityOne was in before I called ActivityTwo. I was thinking an Intent object, but I am not sure. Could someone post some code?
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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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Sep 15, 2010
What's the appropriate permission to be added to manifest tag for my activity group? Code...
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Jun 12, 2010
I want to know if we can display multiple activities in a single activity using ActivityGroup.Can anyone please help me out with this?
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Nov 10, 2009
Can Activity "A" open the options menu of a view in Activity "B"? In this case I am building Activity A but Activity B can be any other running activity. I think this is an impossible security violation but I really want someone to prove me wrong.
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Oct 13, 2010
I want to display the same options menu on all of my application's activities. I created a generic Activity that implements the menu, and all my further activies extend it. The problem: when I need to extend other specific activities, like ListActivity and MapActivity, I can't figure out how to extend the generic activity and add the List or Map behaviour to the new class. To deal with the issue I had to create three different generic activities, each extending Activity, ListActivity and MapActivity.I've tried creating an abstract activity but it doesn't work, I would need to extend two classes at the same time. I could try interfaces but since I can't implement methods, I would have to paste the menu implementation all over the second-level classes, right?
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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 ? ?
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Apr 8, 2010
I am trying to make an exit button for my application. Anyhow I am able to track all the instance of activity in my application and then finish them all. But still some activity remain alive in some cases. Dont know how. Is there any method to kill a particular application in android. Or any other way can I exit from my application.
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Apr 20, 2010
I have an application consisting of two activities (call them Display and Preferences) and one service which listens for incoming phonecalls. When it detects one it launches the Display-activity with a delay of 3sec in order to let the PhoneApp launch first. The Display- activity is transparent so the user can still use the PhoneApp as normal (ie answering the call) even though my Display-activity is "on top". So far so good
Now to my problem. Lets say that the Preferences-activity is active when there is an incoming call. The PhoneApp is launched on top of the Preferences-activity as expected. However when the Display-activity is launched the Preferences-activity pops up as well, hiding the PhoneApp. My question is if it is possible to work around this in some way? Since I do not want my Preferences-activity to block the PhoneApp and hence making it impossible for the user to answer the incoming phone call.
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Feb 24, 2010
I am currently showing a notification. When the user clicks this noticiation, the application is started. The notification persists, to indicate that the service is running in the background.
CODE:..............
However, I have detected a case where a bug appears. If the user starts the application through clicking the normal icon, and while the activity is running clicks the notification, then a new activity is started without the earlier one exiting, the later being on top of the earlier. And that is not all: Further clicks on the notification will create additional activities and place them on top of those already running. How can I prevent this? Is there a nice check to do to see if a certain activity is currently being shown or is loaded?
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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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Jul 15, 2010
When i leave my app after pressing home button and then re launch it from menus it behaves in a strange way.Sometimes it launches the same activity on which i pressed home button.But sometimes it launches the first activity of my app. One reason for this could be that whenever system has memory shortage it clears any activities existing in But the strange thing is if i press back button from first activity it takes me back to the same activity on which i pressed home button and all other previous activities are also there(like if i press back button again previous activities also exist.)I haven't set any launching mode for any activity in my app(like single instance etc).What i don't need is that previous activities load on pressing back button on first activity.
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Feb 17, 2012
So I have my main activity. It starts out adding a custom SurfaceView called DrawView as the content view with
DrawView drawview = new DrawView(parameters);
this.setContentView(drawview);
now my layout.main.xml is a layout with a video view which I am using to play my cutscenes. I am able to switch to this view by calling a method I made which switches the content view by
this.setContentView(R.layout.main);
which works fine when I am calling this method within the Activity. Only problem is I need to call this method from within DrawView! The method I made to switch to my cutscene is public and I do pass the Activity (named Draw) as a parameter of DrawView.
So when I do call this method from within DrawView my game freezes and will subsequently crash! however it works when method is called locally?
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Aug 16, 2010
Are there design guidelines to help decide if an application with multiple views should be designed with multiple activities or just one activity and control the back button itself.
I've tried both. My most complex applications using one activity per screen. However, now that I'm successfully written an app with just one activity and handling the back button myself, I don't see any compelling reason to use multiple activities. The one activity application is much simpler and more straightforward.
What advantages of multiple activities am I missing?
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Jun 30, 2010
how to call BarCodeScanner, and return the value to a field.so now, i have a toast that says "successful scan" and then i want to pass the result to a new activity. when i comment out my intent, everything works (minus the passing of data/switching of screen, obviously) but when i run my project as is, it FC's no errors reported by eclipse in code or xml. any insights?
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Jun 17, 2010
I have long had my WAP pages built and had my URL launchers built by an outsourced group in India. I now have a requirement to update my .apk files to 2.2 as well as build 6 additional .apk files that are made up of 6 completely different URL launchers to other WAP sites. I have successfully set up my Java and SDK environment My questions are: What is the best recommendation the group can suggest as a starting point? How do I open the .apk file in my eclipse environment to make the changes necessary? The Android Market says the following when I attempt to upload my .apk file: [quote] Market does not accept apks signed with the debug certificate. Create a new certificate that is valid for at least 50 years. Market requires that the certificate used to sign the apk be valid until at least October 22, 2033. Create a new certificate. Market requires the minSdkVersion to be set to a positive 32-bit integer in AndroidManifest.xml. [/quote]
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Oct 19, 2009
Is there anyway to add a New Contact Group in android. I see Groups content provider but there is no way to add a New group. If anybody knows, please share the knowledge.
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Mar 7, 2009
I notice that there's been a bit of controversy in the last couple of days about off-topic posting on this list. As the list home page says, it is intended to be a place to "Discuss developing Android applications using the Android framework". While I find the talk about the Market and wider issues very interesting, I do think it would be better placed on the -discuss list, so that this list can be more focussed on technical issues to do with developing using the SDK.
I wonder if the reason why this list attracts a lot of off-topic stuff is the name? I suspect many people don't see the description and just interpret "android-developers" to be for discussion of issues affecting developers. Perhaps if it was named "android-sdk" (to match the new android-ndk list), that would improve things?
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Feb 18, 2010
I don't see my mails sent to these groups?
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Feb 2, 2009
I have send some times, but still cannot see my mail in the group. Can anyone of you see it?
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Mar 18, 2009
I have a contact ID, how do I get the group the contact is assigned to? I am sure it is something to do with the Contacts.Groups class but I cannot figure it out.
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Feb 21, 2009
Is this group moderated?
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Aug 3, 2010
I want to unsubscribe from this group.
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Nov 19, 2010
I have a query that is making use of GROUP BY so that the results are grouped by a date column. My question is this:
When I move through the cursor to get the results of the query, how can I get the multiple items associated with each group into my vector? For example, I want to get BOTH "Item X" and "Item Y" for October 16, 2010. Currently, I get them each separately.
Here is my code:
CODE:..........
So, when I get the results from my Vector, I will get:
October 12, 2010
- Item X
October 12, 2010
- Item Y
And I want:
October 12, 2010 - Item X, Item Y
Yes, I do have to change my Vector to support multiple items, but hopefully you get what issue I'm facing...
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Jan 27, 2009
Just use findViewById(R.id.layout_2)
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Jun 10, 2010
I have a small business and need to mass blast texts to groups of 100-200 people. My new Incredible seems to be limited to 20 at a time. Is this carved in stone or is there a work around?
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Dec 6, 2009
how to send out emails to a group, without searching for each name individually. I wasn't able to find any answers, but did find a few people in the same boat as myself. So, I've stumbled across the answer: Contacts Groupu. I pulled it from the market, and it syncs with the groups you have in your Google Contacts. When you go to view a group, you can toggle to "check all", then hit email and and watch it plug each email address into the "to" field within the native Gmail app.
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