General :: How To Test Multiple Android Platforms / Versions

May 15, 2012

I'm contemplating the idea of developing an application for the android. I have several years of experience developing web applications with Java and so figured it shouldn't be too hard to pickup a book and learn how to do it for the android platform. So far so good; that's why I love Java.

My question is in regards to how does the android development community go about testing their applications of the various android version and phones? I think I'm more concerned about the android version rather than the phones. I'm planning on getting the Sprint Evo 4G LTE coming out on Friday, so I'm obviously going to be able to develop and test for Android 4 and HTC Sense 4 (though I don't think that is as important right? Development is usually against the OS and not the UI manager, right?). But how would I go about testing against Gingerbread, Froyo, etc.? Do you guys keep a previous old phone (like my old HTC Evo 4G) and flash diferent roms in order to test the app against previous versions of android? Are there other solutions? If it's using an old phone, does this work off-network/service? I guess you could just dump the apk on the sd card and install as third party app and test it out. As long as the app doing require phone services or mobile data network (internet) you'd be fine if you have wifi access right?

General :: How to test multiple android platforms / versions


General :: Syncing Music Across Multiple Platforms?

Jul 21, 2012

I recently switched to a Galaxy S3 after owning an Iphone 3GS for a few years. For me, playing music is one of the most important aspects of a smart phone, and I have somewhat specific requirements. I'm trying to figure out the best way to do this:

1. I have a large library of ripped and carefully tagged MP3s on my home PC.
2. I want to add to this library and keep it synced with my phone.
3. I want my phone to be my primary music player. As such, I want to:
3a. Play a song in the car, via the phone
3b. Arrive at work, plug my phone into my PC via USB or connect over the WiFi, and continue to play the same song, sourced from the phone, but output to my PC headphones

What I DON'T want to do is:

- plug headphones directly into my phone while at work
- use the phone interface to choose/play/stop music while at work

That seems simple enough, but so far I haven't found any software that will cooperate.

- "Google Play Music" won't track what was playing on my phone and then update it when I'm on my PC, the two are totally independent. I'm also not ready to totally commit to the cloud, as I have bandwidth limitations and spotty data reception when I'm not at home or work.

- Kies won't properly sort the music on my phone when the phone is connected, nor does it provide an easy interface for viewing or playing music from the phone

- Windows Media Player refuses to sort the songs on my phone properly. It has problems identifying artists and will sort albums alphabetically instead of in proper track order. It's possible that there's some tagging difference between every other program I've used and WMP, and maybe I can rectify this by retagging all of my music to work better with WMP, but that seems like an enormous task and I'd like to avoid it if possible.

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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 :: Most Cost Effective Way To Target Multiple Mobile Platforms

Apr 26, 2010

I have been given the tasks of speccing a mobile application, which will need to run on approx. 1000 devices. These devices already exist, and consist of iPhones, BlackBerrys, Androids, Windows Mobile and Netbooks. The application will have simple reporting capability, and a collection of forms. Anyway, the obvious solution would be to develop some browser based solution, although given the occasionally connected nature of the devices, there's a potential for data to get lost / not saved.

So instead of creating a complex application for each platform, I was thinking we could build what is effectively a form generator, with basic offline storage capability (text files), designed to run on each device, and have the device generate a form, based on for example an XML file that it could request from a server somewhere, resulting in minimal specialist development costs, and the ability to run most of the logic from the server end, with the devices being dumb clients that render forms and upload the data when there is an available connection. Anyway, my question summarised is, how have you made the decision on supporting multiple devices for your application. Is this always an unavoidable problem, and you just have to make the call to support 1 or 2, or pay for developers to write code for each platform, or alternatively supply pre-installed devices to the company?

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Android :: Multiple API Versions Of An App

Oct 3, 2009

How can I publish two versions of my app without changing the package name, so that users may upgrade to either version, one for Anroid 1.5 and one for Android 1.6 ? I want to offer new features requiring Android 1.6 as soon as possible, but not all users will have upgraded to Android 1.6.

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Android :: Targeting Multiple OS Versions

Nov 17, 2009

We are upgrading our application to add 2.0 support. I have read http://developer.android.com/guide/appendix/api-levels.html and the older blog post http://android-developers.blogspot.com/2009/04/backward-compatibility.... I want to avoid using reflection if possible. I have found that if I set my minSdkVersion="3" in the application manifest but in my build path in eclipse point to the Adroid 2.0 jar file I can compile with direct calls to 2.0 code (with the relevant code to ensure they are not invoked on <2.0 devices). My question is will people with pre 2.0 devices be able to see the application in the market place in this case? What are other people using for multi-targeting different API levels with the same package.

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Android :: Having Multiple Versions Of Same App In Market

Feb 19, 2009

I am planning to have two versions of the same app available in the market - let's say "App-Lite" and "App-Advanced". They both almost the same core functionality, but App-Advanced has a bit more specific features, than the App-Lite has. Now I am thinking what would be the strategy of deploying those two apps in the market. The simple way is to provide different name space in AndroidManifest.xml for both apps, so "App-Lite" and "App-Advanced" would show up as two completely different applications and could be installed parallel on the same device. But I'm also thinking about another way of installing the App-Advanced version - like an upgrade to the App-Lite which might be already installed. To do this, I can just set the same name space for both app in AndroidManifest.xml, so after installing one app would replace the other one - I can do this from adb command line, but I'm not sure how android market would behave in this case. Will it show them as two different apps, will it show them as two different versions of the same app with the ability to upgrade from one version to another, or it just will not allow to publish two apps with the same name space? Is this scenario doable with Android Market?

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Android :: Multiple Custom Versions Of Same App

Aug 3, 2009

Whats the best way to deploy several customized versions of a Android application? Currently I have a script to exchange the resource folder for getting a customized version of my app. It works great, but all custom versions still have the same package name in the AndroidManifest.xml. Therefore it is not possible to install two customized versions of the app at the same time.

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Android :: Multiple Versions Of App With Different Package Names

Jan 8, 2010

I need to be able to easily create different "flavors" on an app, each with a unique package name so that they can coexist on the same device. Is there a simple way this can be done, which doesn't require manually updating all the imports and other references to the package name each time I change it?

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Android :: Building Multiple App Versions For Market

Feb 18, 2009

We're thinking about building light and paid versions of our app for the Market. But I am not clear what we need to do, or how to do it. (1) Do we definitely need the two versions to have different package names for the two builds ?It seems logical to do it that way, but I have not found a clear answer from Google to that question. Though I have found several people asking the same question. 2) Is there any support in Eclipse for building two similar apps with different package names from the same java and xml files ?In most of the IDEs I've used, it is a doddle to define multiple build targets for one project, but none of those mechanisms seem to be present here. And, the package name is embedded in every java file, as well as in many places in the manifest, leaving me without a tidy way to build to alternate package names.Is there a tidy way to build multiple version ? Or are we really going to end up copying the whole codebase and search-and-replacing the package name.

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Android :: How To Maintain Consistent UI Over Multiple Versions Of OS?

Sep 9, 2010

I would like to know if its possible to prevent my application from looking different every time I run it on a different android phone. For example, on stock 2.2, my seek bar (with default values and theme) has an orange color for the selected portion, whereas on a Samsung Galaxy S (with 2.1), it is green. Also the tab background is grey in stock 2.2, but blue in Galaxy S. On a similar note, my rating bar changes size too. I do not implement multiple screen resolutions and all my drawables are located in the "drawables" folder under "res". I donot specify a minimum sdk requirement.

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Android :: Multiple Versions Of Same Class File For Different SDK Targets?

Nov 5, 2009

This is for an Android application but I'm broadening the question to Java as I don't know how this is usually implemented. Assuming you have a project that targets a specific SDK version. A new release of the SDK is backward incompatible and requires changing three lines in one class. How is this managed in Java without duplicating any code(or by duplicating the least amount)?

I don't want to create two projects for only 3 lines that are different. What I'm trying to achieve in the end is a single executable that'll work for both versions. In C/C++, you'd have a #define based on the version. How do I achieve the same thing in Java?

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Android :: Multiple Concurrent Versions Of Same App / Filtered By Sdk Version?

Jul 30, 2010

I have an app on Android Market right now with a minSdkVersion corresponding to Android 1.6. I'd like to make an update that is only visible to users of Android 2.2 and higher (there is a good reason for this, which I will explain below). So I have two questions:
- First, if I publish an update with a higher minSdkVersion than the one it replaces, will existing users still be able to see and download the old version if their device is not >= that minSdkVersion? - Secondly, if so, would it be possible to publish updates to that older version branch? Or would it become a fossil relic, but at least always there for downlevel users? Now for the background. My apps use a large amount of resource files-- about 15MB for the Lite version, and about 55 for the Full version. Prior to Android 2.2, it was not possible to install an app on the SD card, so my solution to this was to have the app contain the bare essentials, and simply download the other resources from my web servers at first-run. However, this means that I must maintain external infrastructure, and it's also a bad experience for users who must download the app, then start another download sequence (I already have had several complaints about this in my user comments). What I would like to do is to keep the app as it is for users with Android OS < 2.2. I'd like to publish an update that is only visible to users with Android OS >= 2.2 which packages everything into the app and allows it to be stored on the SD card. And I'd like to be able to perform maintenance on both versions as needed. Why can't I just do the update as described above to a single branch of the app? Because it would mean that users with Android OS < 2.2 would have to download a massive application to their internal memory, which could be a deal-breaker for devices with only 128MB or 256MB, which is shared with the OS. Since I already have paying customers, I don't think I can ethically create an update that would potentially consume most of a user's internal memory, when the version they purchased was only a couple MB.

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Android :: Contacts Contract / Building Across Multiple SDK Versions

Jan 11, 2010

I need my app to run on all Android versions, but the Contacts API changed in 2.0. In SDK 1.6 and earlier I use android.provider.Contacts to query the contacts DB, but this does not work in 2.0 Instead, for 2.0 I use android.provider.ContactsContract. This presents a problem: when I have code for ContactsContract, my app will not build for 1.6 and earlier. Do I need to have two separate versions of my app (one for <= 1.6 and one for 2.0 and later) or is there a way to avoid doing this?

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Android :: Dynamic Class Loading To Target Multiple Versions

Aug 20, 2010

I would like to make a single Android app for multiple Android versions (possibly every one of them)
My problem is that I want to check what is the version of Android the app is currently running on, and dynamically load a class which is version dependent. This part should be ok.

I just wonder how I can achieve that without compilation errors in my Eclipse project. I mean, the project is configured for a particular target (1.5, 2.1 ...), so if a class in my project is not compatible wich the selected target, it will result in errors.

Is there a way to export this classes even if they are not fit for the platform (I thought about a separated lib, but then again : how to compile theses classes into a lib without compilation pbs?) ? This should be ok since they won't be loaded until I ask them to after having checked Android version.

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Android :: Layout Issues For Multiple Screen Sizes / API Versions

Jan 19, 2010

I am currently trying to make my app compliant with all screen sizes / api levels. I have this mostly working, however there is 1 issue i cannot resolve: Layouts in the "layout-hdpi" folder are used by and any phone on 1.5 (API level 3). - Which i dont want, i want API level 3 phones to use the "layout" folder. So to resolve this I added "-v4" onto the folder also, this works, the folder is no longer used by 1.5 phones. However, now the folder is also not used on API Level 6 phones, for example the droid. The droid only picks up the folder if i name the folder: "layout-hdpi-v6". (Also if i put "-v3" on a folder, the layout folder is not used by API level 4 phones) My understanding is that the -v<api level> qualifer allows you to exclude phones on an API level that is too low, so -v4 should mean that the folder will be used by all phones on API level 4 and above. I am finding a folder is only used for that specific API level. Has anybody else ran into this same issue? And does anybody know of any possible solutions?

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Android :: Best Practices For Creating Multiple App Versions From A Single Codebase?

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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Android :: How To Test Phone App Across Multiple Activities?

Nov 18, 2009

We are building a complex Android application consisting of many screens and workflows spread across many Activities. Our workflows are similar to what you might see on a Bank's ATM machine, for example, there is an Activity to login in that transitions to a main menu Activity which can transition to other activities based on the user's choices. Since we have so many workflows we need to create automated tests that span multiple activities so we can test a workflow from end to end. For example, using the ATM example, we would want to enter a valid PIN, verify that sends us to the main menu, choose withdraw cash, verify that we are on the withdraw cash screen, etc., etc., and eventually find ourselves back on the main menu or "logged" out. We've toyed with the test APIs that come with Android (e.g. ActivityInstrumentationTestCase2) and also with Positron, but neither seem capable of testing beyond the bounds of a single Activity, and while we can find some utility in these tools for some unit testing, they won't meet our needs for testing scenarios that cut across multiple Activities. We are open to an xUnit framework, scripting, GUI recorders/playbacks, etc. and would appreciate any advice.

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How To Test Android App On Multiple Real Devices

Mar 3, 2014

I would like to introduce my startup for testing android app!You can test your app on multible Real devices with one click!Just three words: Powerful, Fast and Free! QA Monkey.

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Android :: Upload Multiple Versions For Single Android Application For SDK Levels

Dec 16, 2009

I'm developing one android application which needs to support Android OS 1.5, 1.6, and 2.0. I've three different .apk files for all three SDK. How can I upload three different .apk files on Android Market Place for single application? I would like to have all 3 versions available under one application name. is this possible? So, users with any SDK can use my application.

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Android :: Easiest Way To Release Android Application For Multiple OS Versions?

Jul 1, 2010

I have written an Android application that I am about to release, but I would like to have a 2.1 version with multitouch and a lower API version without. However, if I simply just use the minSDK setting, the 1.6+ version would show up in the market with the 2.1 version on 2.1 phones. Is there any way to release for a specific range of OS versions?

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Android :: Building Multiple Apks From On App Source To Pick Test Key

Oct 13, 2010

The application reads a key from a file to hit production vs test server.
I want to create a test apk build that will pick test key and second build apk for release that will pick the production key

I am currently building app using eclipse

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Android :: Preferred Way To Support Multiple Android OS Versions?

Oct 28, 2009

I have a few scenarios where I guess I am not alone with. There is no easy solution but this has to be on top of the list I think.

1. Suppose you have an application that is compiled with 1.5 and is working fine even if started on a 1.6 device. But you now want to support other resolutions, so you need to compile with 1.6. Problem: If I recompile and publish the new apk, the 1.5 users want see my applications. Users already downloaded my application can not upgrade. (will there be a "new version" available shown to them in the market?)

2. Lets say your application works fine on 1.5 and 1.6 and you decided to publish your application twice with different package names. "MyApplication 1.5" and "MyApplication 1.6" for example. Problem: The user upgrading from a older version does not know that there is a new version, because you published a new Application. You can write it into the description and tell the user to download the 1.6 version but many users might not read that Settings from the other application are lost. Your downloads are split into two applications, so you might not make it into the top ranks that easy . You might even need to publish 4 applications if you have a light and a paid version.

3. Now 2.0 SDK is available and you want to add multi touch features or any other new stuff for all 2.0 users. Problem: The above problems are getting even worse. There is no way to easily upload multiple apks for the same application. Having to rename the package is also not making this better. Every time svn freaks out and marks everything as new. Sharing code between versions is difficult because of that.

I don't know if its just "3" (provider in Austria), but I still have not received an official update to 1.6. Testing on the real device is not possible with a 1.6 image if you don't want to root your phone and update the rom manually. 2.0 will be on some devices soon, so there is definitely a need to support all 3 versions. There should be a faster update cycle for the users or a slower update of new versions meaning bigger steps. or We get an easier way to support multiple versions. This also means we need a way to know how many actual devices with version 1.5 / 1.6 / 2.0 are already sold and/or upgraded. If i know that 1.5 is only on about 5% of the devices left, then I can just stop supporting that version and upgrade.

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Android :: How Does A Solo / Small Group Of Developers Test On Multiple Devices?

Nov 10, 2010

First off, sorry if this is too subjective, I just didnt know how else/where to ask.Anyway, in the light of all my recent questions, I'm getting ready to release an Android app soon, and most of the testing has been done on my phone, the Droid. I really dont have the money to test on "multiple" devices, nor do I know anyone with an older phone that I could ask for help that would possibly get any kind of bug. Not to mention, when I do get a bug report, how would I go about fixing it for that particular phone without having to buy it to make sure it actually gets fixed, or that the person didnt just came across a one-time freakish accident of a glitch?

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General :: Sync Bookmarks Across Platforms And Browsers

Apr 5, 2012

I'm currently using Firefox 11 as my computer browser, MIUI (GB version) Stock browser on my EVO 3D phone, and ICS Browser+ on my Transformer Prime tablet, and i've come across a problem.

I can't seem to sync my bookmarks properly.

I've been able to easily sync calendar, contacts, etc with my gmail.com account and such, but I absolutely refuse to use Chrome as my browser just for the sync ability.

I'd like to be able to sync between all 3 devices if possible (If not possible, at least sync between Firefox 11 on my computer and ICS Browser+ on my tablet?)

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Android :: How To Transfer Test Fixture File To Device From Unit Test Application?

Sep 24, 2010

I'm writing an Android JUnit test and want to copy/reset a test fixture file (it's an SQLite database file.) If I were within the main application, I know I could just place the file in the assets directory and use getResources().getAssets().open(sourceFile).However, this API appears to be unavailable from the ActivityInstrumentationTestCase2 class.Is there an easy way to copy a file over from the testing PC, or should I just keep a fresh copy of a test fixture on the device and copy it over a temporary file?

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Android :: Error When Unit Test With Activity Instrumentation Test Cas­e 2?

Aug 23, 2009

I am using ActivityInstrumentationTestCase2 to do some test for an activity. I get a button in the setUp() method like this: protected void setUp() throws Exception {super.setUp(); act = getActivity(); btn = Button)act.find ViewById ( R.id.bike_button ); // this button has been defined in layout} Then I use this button to perform a click in a test method like this: public void testBikeButton(){ //click the bike button btn.performClick();}

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General :: How To Unlock App On All Android Versions

Oct 23, 2013

ive a i9300 wich i has no problems at all to instal the new bbm . but as far as i tried to manually instal the apk to some 2.3.6 phones from friends they all show "a problem has ocurred" . and obiously the installation won't proceed.

So i was wondering if there is some kind of hacking to make the apk work on devices with android version below 4.0

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General :: Different Versions Of Android With Same Google Account?

Jan 6, 2013

I have a phone running Android 2.3.4. I also just purchased a tablet which will be running Android 4.0.

Will I be able to use the same google account on both of these or should I set up a new one for the tablet?

I plan to install several apps on the tablet which are too advanced to run on the lower version of Android.

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General :: Restore Contacts Across Android Versions

Nov 26, 2013

I recently had the misfortune of downloading the latest OTA update from samsung to 4.3.3. Made my phone very laggy and not a great improvement. Years back I rooted and flashed my HTC Wildfire, which wasnt a big deal as the phone was relatively cheap.

Anyway to get to the point. I flashed with 4.2.2 Cyanogen Mod onto my Galaxy S4 and had backed up my stock using Clockwork Mod. I have been able to use Titanium backup pro to restore pretty much everything except my contacts. I think the issue is with my old contacts being stored in a newer version of Android. Is there anyway around this as I would really like to get my contacts back.

I had tried flashing with a stock ROM but the latest one I can get from sammobile is 4.2.2

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