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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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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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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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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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:........................
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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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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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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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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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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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Jun 30, 2010
I'm using Relative layout for designing UI. Please give me guidelines to follow.
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May 31, 2009
If I publish a paid application with very good idea and concept. And realize later that someone already publish an app with this idea. What will happen?I understand that this may be difficult to answer.Perhaps I'm not posting this seeking for absolute answer, but for recommendations or a place where I can find more information and learn more about this kind of stuff.
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Jul 28, 2010
I will keep this short - I would like it when I open my Google Maps it automatically turns on my GPS and automatically turns it off when I close Google Maps!Makes a TON of sense to me - and could be a simple feature to add on as an App I would think?
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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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Jan 17, 2010
What is the best (meaning: most popular) UI Java markup language for designing applications for Google Android?
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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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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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May 12, 2010
I want to do a welcome page which can display program logo [ full screen image] and loading progress of my main program.
My main program has to load a webpage. My question is how to display the web-loading progress of the main program on the welcome page, while showing the welcome page until the download is completed.
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Aug 16, 2010
I need clear idea on Xml-Parsing in android
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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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Apr 7, 2009
I have an idea for developing software for android which keeps records of total month bill with back up of 1year. So pls help me which eclipse i use for developing this idea in java platform.
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Nov 24, 2009
You know how google docs can allow you to share a doc to be edited real time just like a wave or anything else can?I think that idea should be extended to the code creation process so that coding can be done on the cloud as well.This way, depending on a system like mercurial to do a complex set of updates wouldn't be near as much because if two users were to edit the same document at the same time there would be only one submission.it would work just like this for 2+ workers on any single document! I think it's a great idea!
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Apr 12, 2010
I am trying to run android sample applications using intellij idea and R.java file is missing form notepad samples source directory.
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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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Nov 2, 2010
After publishing a free app to Android Market I have received numerous solicitations from 3rd party app stores to publish my app such as handster.com and mobango.com. To date, I have not pursued that and my app is only available on Android Market.
I would love to hear some developer opinions about this: Is it better to stick to Android Market only, or does it make sense to publish your free apps in as many stores as you can? What do you think are the pros and cons to each approach?
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Sep 1, 2009
Does anyone know any good tutorial about setting up environment and importing libraries for Android development with IntelliJ IDEA?
I downloaded some Android plugins but still the IDE marks all Android objects (Activity, SurfaceHolder...) red.
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Jun 24, 2010
I went to the Dave Matthews Band concert in Columbus Tuesday night, and it got me thinking up some really cool app ideas.the first one would actually be possible: I was in dire need of another beer but my friends and I were in the middle of a very large crowd on the floor area, and I was worried I wouldn't be able to find them again. What if there was an app to save a group members cell number and locate them by gps on your return trip? they would probably have to enable location on their phone. you could have a couple dots much like google maps that show each of your locations.the other one is impossible most likely but it would be awesome. an app that tells you which beer/food line is the shortest, the prices, and its location.any devices out there wanna take on that first app idea?
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Jul 24, 2010
I would like to ask since the one thing I am not to fond of about this phone is a lack of a notification LED if someone could make an app that would light up the bottom rows of soft keys to replace the LED missing?
I was sitting here thinking of an idea that would give some sort of indication that there was some sort of notification that needed my attention. Is this even possible? I know the screen and those buttons are lit by different means.
I think it's a good idea as that is my only beef with this phone.
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Jan 7, 2010
It looks like Android won't natively support in-app purchases for a while, and when it does there might be a huge user base with devices that don't support them.What's the best way to implement iPhone-like (additional content or services) in-app purchases in Android using the Android Market if possible?
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Jun 24, 2010
I am working on creating an Action Bar like the one from the new Android UI Patterns and I am running into a bit of trouble. I have a ViewSwitcher with two layouts in it. When the user taps the search button I animate between the two layouts. The problem is that the layouts are different sizes and I can't figure out how to make them take up the same amount of space. Here's what I mean. p.s. forgive the bad art, they are just place holders ;)
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