Android :: Want Multiple Activities In A Single View
Nov 19, 2010
Were looking into Android for writing a tablet based system. Part of the design is for the system to be as modular as possible. One aspect of this is to display any "STATUS" activities in a side view on the screen. It looks like I can use PackageManager queryIntentActivities() to find the activities that show status information. But, can I display these in a single view all at the same time (via a linear layout)? The activities would be installed in separate apk's (features). Can this be accomplished using ActivityGroup? Is this even allowed in Android? Everything I've read implies that Activities take the whole screen or float on top. This implies only one activity can be active at a time where as the design I'm thinking of uses the activities more like widgets.
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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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Oct 6, 2010
I have an application which has multiple activities associated with it. When the user clicks on the launcher icon I want the last used activity of the application to be shown.
What's the best way to accomplish this?
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Oct 13, 2010
I have created two tabs, say TAB1 and TAB2. For TAB1, i have loaded one Activity, say ActivityOne, into TAB1 as Code...
When we click on that button ActivityOne_One will be launched under same TAB1. In this application i have two problems:
1) If i want to go back to ActivityOne under same TAB1 by using traditional BACK button on emulator it is not working..
2)ActivityOne_One is launching with no animation(like sliding from right to left) effect.
If anyone know about any one of these, give your advice.
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Dec 15, 2009
I have a todo list type application that stores all of the note data in a sqlite3 database. Each activity in the application needs access to the database to edit different parts of the data in real time.
Currently, I have each activity open its own DBManager object (the helper class I created to manage the database). This is causing problems though and I would like a slightly more global access solution so I don't have to keep opening/closing/creating a database.
I'm considering several options, and would like to hear pros and cons of each as well as other suggestions.
Singleton style. Have a wrapper class that returns a reference to the only database manager so any activity that needs it can use it.
Static Manager. Have the manager class be entirely static members and have it open the database on load. Easily accessible by anyone that needs it (which is everyone).
Merger between 1 and 2. I could make a database manager class that initializes the member singleton instance of the database and all of the data manipulation methods were static. Then I wouldn't even need a reference to the singleton to access the database.
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Nov 22, 2011
i am creating an app for which i need to display multiple charts in single view.I am using achartengine library to create charts but i don't know how to merge and display 4 charts in single view.
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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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Feb 18, 2010
I'm working on an application using xml layouts.
I wish to know which is better:
1. Use few activities and change its contentview
2. Use an activity for each 'view' needed
If both works, in which case which option would be better?
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Jul 1, 2010
I'm planning to develop and app that presents the users with several different screens (of different information).
Was wondering what would be the best way to implement this?
Is it better to have separate XML layouts and an activity to display and allow the user to interact with each screen of data?
OR would handling all of these in the same activity be more efficient (and dynamically load / unload each layout)?
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Jun 10, 2009
Can we run two activities on a single screen? if so, then could anyone give me an as to how its done?
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Jul 8, 2010
In my app, I have 5 tabs which contains activities. In each of them, I have to show differents screens. For example, the main activity of a tab is a listview, and when I click on one of its item, I want to display a second screen with an other listview, that will display an other screen when the user will select an item etc.
So I knew that activities in tabs are not easy to manage, but I really think that I needed this solution. Indeed, each screen must contain a back button, which will return to the previous screen, with the previous state (the same position in the list).
To start new activities inside the tabs, I used the technique described here http://gamma-point.com/content/android-how-have-multiple-activities-under-single-tab-tabactivity
It works mostly well, but I encounter a problem to go back to the previous activities. My solution at the moment consists in starting the previous activity like it's described on this website, but without any flag.
So here are my two real problems:
When I try to go back to the first and main activity of the tab, it seems that a new instance is created, even if I use the flag Intent.FLAG_ACTIVITY_CLEAR_TOP. So when I do several roundtrips between this activity and the next one, i obtain a StackErrorOverFlow.
Because the activities are accessible from differents activities, I have to memorize the parents activities all the time, by giving them in the intents. It's really heavy when I have a succession of 5 or 6 screens, I have to memorize the grand grand parent if the activity... I really appreciate if I just could call the last Activity started by the localActivityManager.
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Jan 14, 2010
I have to write an application which starts a service. There will be other applications which have to use the service. Is it possible to write an application that only starts service and finishes with the service running?? How can i communicate from the different applications to the service? Is it possible to expose an interface from the service so that application can pass data to the service?
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Aug 12, 2010
I have an android context menu with various selections and depending on the user selection I want to start an intent. The intent starts the same activity for all the buttons but will contain different String variables depending on the selection. I am currently using a switch, case methodology for my click listener but keep running into 'duplicate local variable' problems as I try to eliminate code repetition! If anyone could provide a-bit of pseudo-code that would be even better.
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Dec 25, 2009
Is there anything preventing more than one activity from binding to the same running service?
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Apr 5, 2010
I want to have multiple listviews in single activity. But only one listview should be displayed at one time. The listviews will be loaded dynamically. So, how can I fill all the four listviews at the same time and display only one?
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Oct 29, 2010
I have been trying to get a specific layout for more than two days now and really struck with it, what am trying to achieve is: To have a layout like the following
LISTVIEW A
VIEW
LISTVIEW B
VIEW
LISTVIEW C
(VIEWS are basically for headers) Can any one help to sort out this task?
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Jul 1, 2010
I have 2 activities declared as singleTask in my application. The reason for this is, with standard mode, pressing "HOME" in one activity (say A) and launching another (say B), still shows activity A.
However, a new problem arises because of this.
A -> "HOME" -> B (Result : B, Expected Result: B) -> "BACK" -> (Result:A, Expected Result: Home Screen) Any ideas why?
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May 13, 2010
I've more than one Handlers in an Activity. I create all the handlers in the onCreate() of the main activity. My understanding is the handleMessage() method of each handler will never be called at the same time because all messages are put in the same queue (the Activity thread MessageQueue). Therefore, they will be executed in the order in which are put into the Queue. They will also be executed in the main activity thread. Is this correct ? Code...
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Oct 12, 2010
i want to create a bitmap / image which has many images like "Collage" which has more then one images in a single picture. I have stored all my images in a grid view but now i want to create a single image from all those images. And even i want to make few images click able so what can be the road map to do this ? any sort of help / example will be helpful. search for a for collage image image in google . one can see what it is exactly.
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Oct 12, 2010
I have the motorola devour and the latest aldiko, i have imported one book before, and today i tried importing a few, both multiple at a time and one at a time and i could not get it to "find" any of the books, they were all converted to epub via calibre, and all placed in the import folder(in ebook) anyone know any solutions?
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Feb 22, 2010
How to create two or more tables in one database in single class which extends sqliteopenhelper in one function oncreate.
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Feb 8, 2010
I have a very simple game that consists of only one activity, and I want to add a title screen.If the title screen is another activity, what changes do I need to make to my manifest file to make the title screen open first?The gameplay activity is called Leeder, and the title screen activity is called LeederTitleScreen.
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May 4, 2010
Are there any viable approaches for creating multiple .APKs out of a single codebase? The apps may share the same code, but they could have different manifest files, different resources, or different external libraries (for example in an app with both free and paid versions, the free version could have a library for display ads). Ideally, this would be a single Eclipse project, with a way to specify which app to build/debug, and possibly a command line way to batch build everything.
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Nov 7, 2010
Basically what I am trying to accomplish is I want a canvas I can pass bitmaps to, to be displayed on the screen with the rest of my view objects (buttons, textviews, etc).
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Oct 19, 2009
Is there a way to package multiple apks into a single apk for users to download.
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Apr 5, 2010
I want to have multiple listviews in single activity. But only one listview should be displayed at one time. The listviews will be loaded dynamically. So, how can I fill all the four listviews at the same time and display only one.
If anyone knows the solution then please share it over here. I hope to get a quick response.
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Aug 3, 2010
I start a browser and from the browser,I start a video which occupies only a small part of the screen,say the bottom right corner.
Now the browser will be pushed to the 2nd position in the window order and Video will come to the first position. Is it possible that browser can have the control for active window and receive the key events though the video is the Top Most window.
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Aug 30, 2010
I have buil a file explorer just like a mycomputer.it reads the whole storage and system for files and directories now.i am working with start menu.i have built it in an other activity i wan to make them active at the same time?
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Aug 23, 2009
I have started a thread from one Activity and then i have started another activit from parent Activity . Now my Parrent Activity is in pause state . but what will happen to thread that I have started from parrent . I belive it will continue........not going in sleep state........
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Mar 17, 2010
I seem to be missing something obvious here, why would I want more than one activity per application in Android? Does somebody have some solid examples?
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