Android :: Manage 2 Versions Of The Same Application?
Sep 3, 2009
I want to use the same eclipse project to maintain only one source code (or two projects that refer to a generic project). My problem is that the names of the package have to be different on the market (eg: my.android.app.lite and my.android.app.pro). If the package names are differents, the generated java ressource files are differents (eg: my.android.app.lite.R.java and my.android.app.pro.R.java). So, the source files must point to differents R files according to the version (pro or lite) and I have to change all the import...
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Jan 26, 2010
I can run my application on 1.5, 1.6 and 2.0 emulator and on a 1.5 device without any problems. But some of my users are reporting force close and strange menu entries (see the attachment) using 1.6 and higher version devices.
This screen should look like this:
http://www.taypo.com/blog/WindowsLiveWriter/TurkceKlavye0.7_6F1/settings_0.7_2.png
And the code that generates this screen is:
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory android:title="@string/general_settings">
<CheckBoxPreference android:title="@string/haptic_feedback" android:defaultValue="true"android:summary="@string/haptic_feedback_summary" android:key="vibrate"/>
<CheckBoxPreference android:title="@string/sound_feedback" android:defaultValue="false" android:summary="@string/sound_feedback_summary" android:key="sound" />
<CheckBoxPreference android:title="@string/auto_caps" android:defaultValue="true"
android:summary="@string/auto_caps_summary" android:key="auto_caps" />
</PreferenceCategory>
<PreferenceCategory android:title="@string/layout_settings">
<ListPreference android:title="@string/keyboard_layout" android:defaultValue="TRQ" android:key="kbd_layout" android:entries="@array/layout_names" android:entryValues="@array/layout_values" />
</PreferenceCategory>
</PreferenceScreen>
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Jun 12, 2010
I have 3 android phones with different Os version. I can see all my apps, but one disappeared for more than a day and still can not see it.
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Mar 27, 2010
I want to create a PRO version of my application for Android and was wondering how to structure my repository. For know I have a trunk and feature branches. I'd like to put a pro version in another branch but maybe there is a better way? For example, maybe I should create two branches - one for free version, the other for pro?
Pro version will have additional features and will be ads-free, so e.g. I don't want to include AdMob libraries in the pro version. Do you have any experience or suggestions as to what would be the best way to structure the repository in this case? I think I've found the best solution (for my app) in this thread:
http://groups.google.com/group/android-developers/browse_thread/thread/4ad3d67f735f16d7/948b4f9eee2490a3
The trick discussed there is about having another application that only serves the purpose of unlocking PRO functionality in the actual application. The unlocking app is paid in the market and the actual app merely checks for the existence of it on the device.
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Apr 19, 2009
What is the best way to release two versions of an application? E.g. a free version with limited features, and a paid version with the full feature set. #ifdef would be the ideal way to do this, but Java doesn't support it. Could I do something like: try {import com.foo.myapplication.ExtraFeatures; } catch (Exception e) { // ignore it, this must be the free version}? I could manage with this kind of construct, although #ifdef really would be ideal.
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Mar 1, 2010
I'm pretty new to Android, and I had some questions that I've had trouble getting answered via the web. I have done a few searches, but I'm not sure how to word my question, either. So I apologize if this has already been covered somewhere...but here it goes. I was wanting to know how the Android handles application versions/ updates. Specifically, does an update blow away my database? Is there a way to preserve the users' settings as well?
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Jul 19, 2010
I want to develop application that should support all version (latest and old) and it should adjust screen resolution (large,medium). I read document. There I found legacy application if I develop application in 1.6 there I am giving:
<uses-sdk android:minSdkVersion="3" android:targetSdkVersion="4"/>
Is it good way to develop application and is it support 1.5 and 1.5+. Users able to find my application there market.
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Oct 23, 2010
I am in middle of learning application development. I have created an application in 2.2 and tested that in my HTC Nexus One device. I looks like fine. My client testing same application setup in his device (Droid2). I don't have that device to test.
He said there are some font sizes are vary and button alignments are missing. When I testing in my device everything looks fine. So, I need to test my application in Simulator which resembles like Droid2 device. Can anyone tell me how to create emulator and setup like Droid2. And also, is there any need to adjust my code or anything in manifest file.
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Nov 16, 2010
I'm a college student, and there's daily specials at bars, salsa dance nights, special meetings, lectures, etc. And all these things happen around me. I don't want to just put them into my calendar and have them flooding it, but I would like some app to hold such things. Anyone know what I can use that isn't my default so I can retain my personal schedule and, if I want to do extra, can see this app's contents?
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Aug 12, 2010
Is there an app (or even a setting on the Desire itself) that can keep a track of the outgoing calls duration and total on my phone? I've recently dropped from 600 to 300 minutes and want to make sure I don't go over my allocation in the same way the "3G" app tracks my Internet usage!
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Nov 8, 2009
In the process of creating an AppWidget which displays data from a remote host, I am looking for documentation about how to manage updates. Are there articles somewhere about how and when querrying remote data is the most appropriate? I am wondering if we have to explicitly code the remote queries in a separate thread, or even do it in a separate service, to avoid freezes of the home screen (this happens a lot on my htc magic).
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Dec 11, 2012
Can I manage data(contacts list, address book and etc.) from Android phones by only USB connection to pc without any application in phone.
Or is possible to connect phones database from pc.
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Sep 23, 2009
Is there a way to manage the audio levels through an app? Or is it more dependent on the phone's built in capabilities? Right now at work I listen to a skype audio call from my house (for security) at a very low volume and then at a higher level I listen to music or podcasts, both sources going at the same time. When my dog goes nuts, the door is knocked on, or (in theory) if someone busted down my door, I notice the change in volume and sound, turn off my local media, and focus on what I'm hearing until the drama passes.
I ask because I would like to continue this setup when not at work, like say while running, where I again have earphones in and am normally listening to audio content. I would like to be able to have two pieces of audio: music combined with a skype stream or normal phone call, going at the same time like at work. So is there a way to have two sources going at the same time, with the volume of each independently adjustable? Is this an app thing or a phone thing? Phone will be Sprint Hero.
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Jul 25, 2009
I have some questions about how the ContentProvider works behind the scenes.
1. The ContentProvider class is registered in the kernel when the application is installed and then what? Or how do the other applications exactly manage to access the application data?
2. When is actually onCreate called? The documentation is pretty vague...
3. What happens if two applications register the same provider class? (I have more applications that must communicate between eachother. The content provider must be registered, of course, along with the first application installed on the system. The problem here is that I don't know which one will be, so I want to deliver the ContentProvider with all the applications)
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Feb 27, 2010
What is the best approach to managing a small SQLite database private to the application? Open (getWritableDatabase)in OnStart and close in OnStop in each Activity?Open in OnCreate and keep open til the user quits the app (where would you put close?) Open, do work and close as soon as possible each time it is needed?
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May 17, 2010
When i go into Setting > Applications > Manage Applications,The list of apps starts loading, after 5 seconds, it will force close:The application Settings (process com.android.settings) has stopped unexpectedly. Please try again.Not sure what APP I installed that could of caused this.
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Mar 18, 2014
any application that manages your bluetooth connections?
Here's what I'm talking about, I have bluetooth headphones, several speakers and my car that all are connected to my phone and I'm having several small issues.
- As soon as I turn on bluetooth it tries to automatically tries to connect to these certain speakers, I don't want that and don't know how to stop it.
- If I'm in my car, my phone connected to my car for calls and I'm listening to music through the headphone jack but it will automatically connect to a set of bluetooth speakers in my home when get home and pull into the driveway. So music will play through those speakers instead of my headphone jack. I obviously don't want that either.
-Titanium Backup never restores my bluetooth connection either so if there is an application that can save those too that would be useful.
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Nov 8, 2010
After upgrade to 2.1 when i am going to "Manage Applications" I am seeing only those apps that I have installed unlike before (1.6) where I could see all the installed apps like google apps, default games etc. Where can I find these apps (in case I want to clear cache or something like this)?
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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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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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Nov 1, 2010
Right now I've finished an application that I want to distribute on Android Market. It will have a payed version and a free version with some limited features. While developing it, I was doing obviously just the main project of fully featured release. And now after finished I've included a "boolean" DEMO_VERSION=true that restrict those features. My question is if it's possible to generate both apk from the same project? Or should I create new project with the same source but changing the Java package to tell android market that they're two different applications.
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Sep 20, 2012
i build application....and i want to back up my database when user click "clear data" in manage application... because data is lost...some data is very critical for process in my application...how can i solved this?
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May 4, 2010
I want my Android application to have maximum reach, and hence want to support all versions V1.5 onwards. I find some features lacking in V1.5 that are available in V2.0 or V2.1. Could I compile on V2.1, and then set minSDK for the application to run on 1.5? Plain logic says 2.1 specific features would not work, but let me know your thoughts. Also, what are some other workarounds? What would "you" normally do in such a situation?
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Mar 4, 2010
I'm making an Android Java app game (although this question applies to all languages really) and hope to release the first version soon. I'm nervous about how I save data in my game. My problem is that, if in a later update, I decide to store more data or store the same data in a different way, I need to be careful I don't lose or corrupt data for users that upgrade (i.e. I want users to be able to use data created by an old version in the new version, like their high scores from before).For example, say I want to save high scores in version 1.
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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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Jan 8, 2010
The requirement is totally simple: I want to have a lite and pro version of an app. There is a little bit of difference between those two apps, but they are 99% identically. Unfortunately it seems that the best choice is to really treat this as two projects that are one and the same and copy over the source code and assets from one to the other. The Android Manifest file must be different, because the Android Market - for some reason - makes the implementation's package name the ID. Working around this ID issue the straight forward approach would be to have a third project with the common code that exports its code, libraries and in a best case scenario also the ressources to the other two objects. Unfortunately this doesn't work. Only the actual Android projects generate the R.class and so the common project would need to be dependent on it..
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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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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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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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Dec 7, 2009
Is there a basic guide to the main differences between versions of the Android OS?I am using a 1.6 Magic, am buying a 1.5 T-Mobile Pulse for my son and looking at a 1.6 Hero for myself early next year. I wanted to see what the differences were between 1.5 -> 1.6 -> 2.0.I assume that I have to wait for network operators to provide updated operating systems? Can the Pulse be upgraded at all? Is the Hero getting/got version 2.0?
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