Android :: Designing Nesting LinearLayout?

Mar 3, 2010

I am facing a problem in designing LinearLayout. What I want is the Textbox at the top and button bar at the bottom. But the top Textbox just don't appear. The xml file looks like this:........................

Android :: designing nesting LinearLayout?


Android :: TextView Inside LinearLayout Stretches The LinearLayout

Aug 21, 2010

If I have 2 LinearLayouts split %50/%50 everything is fine. Weights are 1 and 1. As soon as I add a TextView inside the top LinearLayout, it stretches that layout. I use "wrap_content" as the documentation says I should when it comes to weights. As you can see the red and green should be split evenly and text on grey background should be inside red box.

Here is the code:..............

Now if I switch to "fill parent" as follows it actually works but it creates another problem. Here is the code (so far so good):

So looking at above we were forced to use "fill_parent" and we would think like we fixed the problem but here is the problem if we are using "fill_parent" (I took out the textview just to show the problem, textview doesnt make the problem go away anyways):

As you can see I assign the weights 3 (top red) and 2 (bottom green) but what actually happens is they get flipped: The red becomes 2 and bottom becomes 3. Just measure the pixels too see.

Here are the results of the 3 codes: http://imgur.com/iVt8g.jpg

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Android :: Bottom Of One LinearLayout Being Hidden By Other LinearLayout

May 25, 2010

I have a RelativeLayout that has two LinearLayouts in it. One is a bunch of TextViews and EditTexts that make up a form and the other is a ButtonBar that submits the form.

anyways, everything looks great in portrait, but when i switch to landscape mode the bottom TextView/EditText element is being hidden by the buttonbar.

screenshot to show the problem. as you can see some of the "email" textview and all of the email edit text are being hidden by button bar.

http://i45.tinypic.com/2dt7qmt.jpg

and xml:

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

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Android :: Nesting Phone APKs To Open One With Another?

Oct 13, 2010

Is there any way to nest APKs so that you can open one with another?

I am looking to wrap a bunch of APKs with some control options that can fire an APK when selected. Even if i can start with one opening one other it would be a start...

I have thus far tried the dex loader to no avail... Keep getting a load error in the log dump.

Can anyone suggest a way to do this?

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Android :: Nesting An ActivityGroup As AtTab Content

Oct 11, 2009

I have a tab bar and within one tab want to implement an activity flow (without leaving the tab screen). I tried to get this up with an ActivityGroup and it partly works, but certain commands like the onCreateOptionsMenu must be dispatched to the ActivityGroup child activity manually.

The main issue is that showDialog() in my child activity of the ActivityGroup fails with the following exception:

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

How I can get the child activities fully working? I expect this to happen with more of the built-in activity methods and there is not much documentation for the ActivityGroup.

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Android :: LinearLayout In LinearLayout

Jun 25, 2009

Why is the following code causing an exception? The Code throws a "mBaselineAlignedChildIndex of LinearLayout set to an index that is out of bounds" exception.

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

If l2 is dont added to l1 than it works.

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Android :: Designing In XML Vs Coding UI / Which Is Better?

Sep 2, 2010

I have a small doubt, Which is the best way to design UI for Android Coding or Desinging in XML? Which is better in performance?

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Android : ContentProvider Designing In My App

Aug 24, 2010

All the example codes, tutorials or video I see, there is always one ContentProvider per SQL Table with the SQLiteOpenHelper extension defined as a private static class... Is it some sort of standard design...to have one ContentProvider per SQL Table? Or I can define one generic ContentProvider and use its instance for ever update? Is there some issue with that? Could anyone please help as my application has like 5-6 tables.

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Android :: Designing And Implementing App Idea

Jun 27, 2010

Does anyone have any good references for designing and implementing an idea I have for an android application. My idea is for an application that stores information and reviews about a specific location and presents this information to user.I have gone through all the tutorials and have been reading up on anything and everything about android. Now I am ready to challenge myself with my first app.

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Android :: Designing UI For Board Game?

Jan 5, 2010

I need to design a board UI using android platform. I was planning to take one image as board and moving the required images over the board. How do I achieve the same? I need to find the coordinates for image and need to move the required images to specifies coordinates. Is there any andorid API for this?

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Android : Best Practices To Be Followed When Designing Database?

Aug 30, 2010

I have to create a number of tables for caching some amount of textual data, obtained by reading XMLs. These tables need to be created only once - on the initial run of the application. The data in the tables should be cleared after fixed time period. There should be a class exposed to other classes that would allow CRUD operations on this database. Googling found me some links to tutorials for creating databases and Data Access logic.

I have some questions, please help:

How many DataBaseHelper(DBAdapter) classes should I have, I am guessing only one? Is it okay to have all the SQL DDL and DML statements, DB name, Table Names as static strings of this class?
How do I ensure that the tables are created only once?
Is it possible to clear the DataBase after a fixed time interval?
Are there any best practices to be followed when designing the database?
The data in the database is to be displayed in Lists. I have data in ArrayLists(created when parsing XML) as well as Database(after these lists are persisted). What adapter should I use to back the list up? Should I use ListAdapter or CursorAdapter?

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Designing For Multiple Screen Android

May 25, 2014

Eclipse has provided us with different qualifiers like size, ratio , etc. So when I select a qualifier, it provides us with the right emulator screen to make our layout. But are these emulators screen loaded under the right layout folder? I dont understand, how Nexus 10 which is a xlarge screen size is loaded when I load the activity_main under the Normal layout folder?

am I blindly arranging these layouts? Because before this, I had arranged all layouts perfectly and when I went to run it on a Virtual Device, it looked a complete mess. I looked at the xml files and they were completely in the wrong places.

I have used qualifiers like : normal-long, normal-notlong, large-long, large-notlong, small-long, small-notlong, xlarge-long, xlarge-notlong,Should I change the qualifiers?

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Android :: Designing Downloadable Skins Packets For An App

Oct 26, 2009

The idea is to allow users to download a skin packet from the android market and be able to change the skin via the main application.I assume this skin pack would contain only the layouts and res names that I would want to overwrite from the main application. How could I approach such project?

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Android :: Getting Started Designing And Implementing An Idea For App

Jun 27, 2010

Does anyone have any good references for designing and implementing an idea I have for an android application.

My idea is for an application that stores information and reviews about a specific location and presents this information to user.

I have gone through all the tutorials and have been reading up on anything and everything about android. Now I am ready to challenge myself with my first app.

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Android :: Nesting Table Layout In Linear Layout

Mar 15, 2009

I have defined the layout which you can see at the end of this message. I do not understand, why the button is not displayed. If I move the button to the top that the rendering works.

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

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Android :: Designing A System Based On Arbritary Zones?

Jan 14, 2010

How would you go about designing a system based on arbritary zones? Think of the American states - basically the whole map is carved up into irregular zones. Then again another one might show a salesmans territory, TV stations coverage area etc. I need to be able to retrieve the current GPS position and determine which zone I'm in. I can't use an address/zip lookup - its purely based on the lat/long point. So the data structures which define the enclosing boundaries must be flexible enough to provide fairly accurate positioning. As a bonus, I'd also like to be able to render these zones on the map, maybe with different colors. Any tips/pointers to anything close to this would be very welcome, thanks.

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Android :: Design Issues I Need To Follow While Designing UI In Droid / Fix It

Jun 30, 2010

I'm using Relative layout for designing UI. Please give me guidelines to follow.

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Android :: Designing Screens / Icons Display For List View

Sep 29, 2010

I never do graphics type programming. I'm designing a screen that will need to look good on all phones, and all resolutions. It's for displaying in a list view, and there will be a small graphic for the summary view, and a larger graphic for the detail view. Normally I use a 32x32 (res 72x72ppi).png for the summary view which looks good on my G1. The second image is for the detail view and it basically should fill the entire width of the screen (roughly, it's ok if it doesn't use the entire width as long as none of it is chopped off). The size I use for my G1 is 468x60.

So, the question for the guys that really know this stuff is: What sizes do I need to make these images to support all screens and densities with the fewest number of images? I know that the answer is a little subjective, but I remember seeing a post with a link to a page that recommended 3 different images for the different screens (and it seemed to make sense when I read it), and I think but don't remember for sure that then you would need 6 layouts to support those with both landscape and portrait orientations.

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Android :: Best UI Java Markup Language For Designing Applications For Google?

Jan 17, 2010

What is the best (meaning: most popular) UI Java markup language for designing applications for Google Android?

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Android :: Designing Service For Consumption On Multiple Mobile Platforms

Apr 27, 2010

I am building and designing a (mostly) read-only interface to some data. I'll be uing ASP.NET MVC to build a psudo-restful API. I'm wondering if anyone can provide some resources for building full-client applications for various mobile platforms, iPhone, Android, Blackberry, Windows Mobile, etc. I'm thinking that serving up XML data is going to be the most simple and universal, but parsing XML in objective-C for example doesn't sound like fun to me, but maybe there are some good libaries out there to help ease this task?

In other words, what formt will be the quickest to implement on the client side? Are there any JSON parsrs for iPhone or Android? I know there are .NET JSON parsers, but not sure about other platforms -- is ther another format that might better? Or should I stick with pure XML and deal with it on each platform differently?

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Android :: Service (online) And App For Designing And Following Running / Cycling Tracks

Jul 18, 2010

I am going camping next week and need a application for tracking while running. I would like to design my routes online (in google maps or other mapping service) and then use an application for displaying these while running. Anyone knowing such a service/application?

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Designing App - GIMP / Photoshop

May 5, 2012

I am using GIMP to create graphics such as buttons and background but don't have a proper understanding of the process. Do I create a background and then layer it with the buttons and then save each layer separately? Do buttons have to be squares or circles or can they be stars for example? Do I need to create every background and button as a 9patch or do I just create 2-3 different resolutions? and finally where do I set things like dp?

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How To Make Developing Easier When Designing

Nov 6, 2012

My developer does math for matching dimensions between the screens I (the designer) give and the layout she makes. There is a formula for it, but she forgets after a project is over and she has to start all over again. Is there anything I can do as a designer to minimize her head banging hours. Is there a certain formula or layout I should design around to make things a bit easier for her.

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Android :: Android - Nesting Relative Layout Inside Linear Layout

Oct 15, 2010

I have the following code in my layout.xml.

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

In the eclipse Plugin layout creator, the EditText and button are shown properly. (see the below screenshot)

But on the device and emulator, the button is not hidden. (see the below screenshot)

why the button is getting hidden in the device?

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Android :: Highlight Linearlayout

Jan 29, 2010

When I'm clicking the linear layout it should be highlighted.

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Android :: Scroller On LinearLayout

Jun 14, 2009

I create a LinearLayout (orientation horizontal) which contains some TextView. The LinearLayout has a size of 1200px. When user move on, the screen, I would like to do like the Launcher application. I tried to use startScroll function. even if I set a distance, the layout doesn't move alone. Only distance did by user is slided. Does startScroll move alone all content? If yes, why my code doesn't work?

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Android :: Remove A Linearlayout

Nov 21, 2009

I have put 6 linearlayouts in the main.xml file vertically arranged in the main linearlayout. initially i want 1, 2, 3 and 6 ll to be displayed, then after sometime, 1, 2, 3, 4, 6 and then after some time 1, 2, 3, 4, 5, 6. is it possible ?

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Android :: Add Scroll Bar To Linearlayout

Jan 29, 2009

I have build a UI using linearlayout. It displays fine if phone is in vertical position. But when I switch my phone to horizontal position. Some content is not displayed. Is there anyway to add a scroll bar to linear layout?

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Android :: Centering In Linearlayout

Jan 27, 2009

How do I place a TextView in the center of a horizontal LinearLayout?

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Android :: How To Extend LinearLayout?

Feb 4, 2010

I'm am trying to learn how to create LayoutGroups. For a start, I created MyLinearLayout which is supposed to force all children into same width (yes, there is layout_weight, but that's beside the point.

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