Samsung : Forward - Backward Compatibility In Android?
Jan 29, 2010
I would like to know whether the Android provides any sort of compatibility i.e either forward or backward. It means as in Blackberry if develop an Application with JDE 4.2 then that application will work on any handset with OS 4.2 or higher which means it has forward compatibility. Is there anything similar in Android? Suppose I develop application with Android SDK 1.5 then will that application work on any handset having OS 1.5 or higher.
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Sep 4, 2010
I recently enabled the app2sd functionality in my app.When i test the apk on my NexusOne (2.2) the app goes to the SD card, perfect! But when i publish the app on the market and install the same apk from the market on the same Nexus, the app2sd function is missing, I can't install it to my SD card.
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Aug 2, 2009
If I build against the 1.5_r3 SDK are there any compatibility issues with running it on devices that are at previous levels of 1.5? I would certainly hope not, but I've learned not to make such assumptions.
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Apr 14, 2009
I want to avoid the SDK 1.0 and 1.1 workaround for playing synthesized audio as of SDK1.5, but for older phones or firmware (SDK 1.0 and 1.1 based) I want to maintain backward compatibility and first write audio to flash memory in order to play the resulting audio file from there.
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May 6, 2010
I am trying to cache my viewgroup to a bitmap and blit this to screen instead of calling dispatchDraw on the group while scrolling for performance reasons. This works quite well on 1.5, but has ugly scaling artefacts on 1.6 and newer for high density screens. Because of my 1.5 compatibility I can't find a way to set the density of my cached bitmap.
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Jun 29, 2010
I'm having trouble getting my app to work properly on older devices. I've ready the "Backward Compatibility" tutorial, I'm working for performance - and it suggestions using .invoke is considerably slower than using a wrapper class. But it seems the wrapper class only works for if a class is not available on older devices. I'm compiling with 2.2, but minSDK is 1.5. I'm working with multitouch, I assumed that if I checked against Build.Version.SDK, and didn't call getPointerCount() - then it wouldn't raise an error. But when I create an instance of the class which has my methods in, I get this: 06-29 08:17:28.263: ERROR/dalvikvm(255): Could not find method android.view.MotionEvent.getPointerCount, referenced from method com.myPackage.myClass. Despite not actually calling it. Is this normal?
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Apr 21, 2010
I'm using a WebViewClient that overrides shouldOverrideUrlLoading so the browsing stays inside the WebView. I initially call loadDataWithBaseURL with some HTML I have in memory, which has links in it. When I click the links, they load correctly in the webView. Everything is good up till now, but when I press back, effectively calling webView.goBack(), the webView loads the failUrl I passed to loadDataWithBaseURL. Why does it work going forward, but not going backward?
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Dec 10, 2009
I have an app that uses People provider. This is deprecated in version 2.0. I have built my application against API1.6 and set <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="4" /> Everything was fine until I wanted to run the app on Android 2.0. Not only is People deprecated it actually doesn't even work! So, I have changed the API I'm compiling against API2.0 and do the OS version check in my code and use People provider or ContactsContract accordingly. I still keep <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="4" /> so I can target 1.6 devices. Now when I want to debug in Eclipse it insists on running it on 2.0 emulator. How can I tell Eclipse that I really want to debug on 1.6 emulator? I have installed my APK on 1.6 emulator via the browser. It installed fine, but when I want to use People provider it crashes. I need to be able to debug it.
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Aug 3, 2010
There are a few threads of various Vibrant/TouchWiz Calendar issues (Samsung Galaxy S). I am starting this thread to hopefully get a reply of all the various issues in one spot and maybe someone can get this list somewhere that will drive change. In my mind, a smart-phone's roots is a PDA + Phone. Yes, it is amazing that they can do much, much more now, which makes these phones that much better, but to me, the Calendar is part of their roots. These disappointments that I'm starting with were available in Android 1.5 which makes them all the more frustrating. I am bulleting these instead of numbering them because I'd rank them all at the top. Really, any issue that you are having out there, especially one that is a non-issue in stock Android, is pure neglect by Samsung.
- No ability to customize notifications in the TouchWiz Calendar. Anyone need a reminder ringtone that is different than your other notifications? You won't get one that stands out from the others in your Samsung Vibrant because you have no ability to change it.
-No ability to hyperlink in the TouchWiz Calendar. Let's say I am going to a wedding that is out of town. On my G1 I could enter phone numbers and address to the Hotel, Reception Hall, key contacts, and the like; so all I had to do was go to my trusty calendar and click on a hyperlink to get directions in my map or call people/places via the dialer, oh, and I'd know what time things started because it is a super useful feature in a calendar. Good luck doing this conveniently on the Vibrant's TouchWiz Calendar because it does not have this feature. Maybe the biggest disappointment.
-Repeating Events in the TouchWiz Calendar provokes issues when modifying . If I edit only a single event in a series of repeating events via my web-browser on my laptop, TouchWiz will duplicate the event, keeping the original event, but also creating the changed single event as a new separate event entirely.
I'm sure this is the tip of the iceberg because I've seen a number of posts. . . although I haven't seen any mention of the hyperlinking which I find an enormous help.opefully someone from T-Mobile or Samsung will review and implement asap. In the end, I may return my phone if I have no confidence in these being fixedI'd also love to hear solutions. I've tried all the market calendar apps I could. Gemini, Junte, they provide hyperlinking, but don't fix the duplicatation issue. All other calendar apps ultimately just click through to the native Touchwiz calendar.Given the specs on the current phones out there, these features should be included off the shelf. I've rooted my G1, but one shouldn't have to root to have basic features available to Android such as the above.
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Jan 20, 2010
Is there any Java ME compatibility layer for Android, which makes porting Java ME (aka. J2ME) applications easier? I mean a third party class library which redirects calls to internal Android API.
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Feb 1, 2010
I developed UI for iphone apps and now want to use the same UI in Android apps. I read that Android use dip for image resolution and i also read that 1 dip=1.5 pixel.I simply multiply the image size by 1.5px. Now the problem is that the image is blur and not as clear as in iphone apps.So will some body suggest me how should i make a design so that it could be used in iphone and android.
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Jun 17, 2010
I'm getting ready to release my first application the marketplace. It's being written for devices running Android 1.5 and above, however there aren't any specific folders for the three different screen densities (I think those came around in 1.6). Should I make these folders myself? Where should I put image resources for the different densities and what should I put in my Manifest?
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May 27, 2010
I have recently updated my app to a build target of SDK version 8 in order to include the App2SD feature for my users. However I have had reports of devices on SDK 3 (1.5) having problems starting the application, with the following stack trace: If i change the build target back to version 4 as it was previously this issue goes away, also if i remove any graphical resources from my XML files this issue goes away.
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Jun 6, 2010
I'm currently working on a web service-client for Android. I'm using a Java client library which provides an abstraction for interaction with the service. The client library works on normal machines. However, when I use the classes in my Android project, some calls don't return a result on Android, the background-service stops working at the first of those commands. Wireshark shows a tcp exchange, the server gets the requests. There is no exceptions or anything. Something in the serialization/serialization seams not to work. I'm using the newest version of Jackson libraries (1.5.3) and the restlet jar in the android edition. Is there any known problems with Jackson and Android? Which code and libraries are compatible with Android?
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Apr 26, 2010
I don't know why, but in Eclair, the default (non-fancy) gallery app changed its behavior from the Cupcake version, and it broke one of my commercial applications Firstly, when long-pressing a gallery and choosing "Diashow", it does not publish an Intent to be picked up by any application that implements the Intent filter anymore. Instead, it will directly call "com.android.gallery/com.android.camera.ViewImage" with extras. Question: is it still possible to intercept this intent and allow the user to choose my application to do the Diashow? Secondly, the intent extras for the VIEW intent are messed up (in my build of 2.1 anyway): Instead of providing the BucketId of the picture in the Intent's query parameter. But in 2.1, the BucketId is moved to the Intent's extras. Except; it is not passing the BUCKET_ID, but the unlocalized BUCKET_DISPLAY_NAME instead Question: how can I still get the unique BUCKET_ID from the intent, so that I do not have to work with a potentially non-unique BUCKET_DISPLAY_NAME.
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Oct 27, 2010
I was unable to find much information regarding compatibility of the Samsung Galaxy with MAC computers. On behalf of the small number of MAC users in this forum, I made a call to Samsung tech support re: how to do the Frodo update with a MAC computer. I was told that the Galaxy phone is PC based and, at present, Samsung does not have a plan to port Kies to OS X. In order to install the Frodo update when it is available, if we don't have an application such as Parallels or Virtual PC, we will have to borrow a PC to do the job.
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Aug 8, 2010
Does anybody know if and when Samsung will be releasing drivers for their PC software that are compatible with a 64 bit OS (Vista or Win7)? I currently own a Samsung Tocco which I have been unable to connect to my PC since I bought a new computer in December, and the phone has become a virtual white elephant other than for making calls and sending texts etc. I have looked at the Galaxy S which looks like a great phone. However I did a search on Google and discovered that Samsung's Kies software still has no support for any 64 bit OS, and this is now 12 months since Win7 was first released to developers. As far as I'm concerned this is Samsung's loss and HTC's gain, as I will go for the Desire unless Samsung can get their act together.
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Nov 12, 2009
Simple really, anyone have any experience with their moment and the Sync system that comes with newer model Fords (and their Lincoln and Mercury brethren)? I have an '08 Fusion (great car BTW, and I'm definitely no domestic car fanboy) and want to make sure I'll be good if I decide to get the Moment.
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Mar 29, 2010
I wonder if Samsung Moment use the same battery as BH2.I was looking at eBay and found Moment Battery and charger around $10, and thought it would be nice to have an extra battery.Does anybody know if they are compatible?
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Jul 10, 2010
I'm new to the android scene and the samsung galaxy s is my 1st android based phone.I recently got Mystique chapter one... but my character in the game cant move forward due to the lack of a joypad.Is there a way to remedy this or it is absolutely not compatible wd the Samsung Galaxy S?
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Aug 19, 2012
I'm flabagasted that it has less features than 2.3.3!
For instance independent ring tone and notification volumes in 2.3.3 but not in 4.0.3
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Sep 10, 2010
When i forward E-mails from my Epic with HTML it wont forward it. They recieve a blank E-Mail with the only text being Sent from my Samsung Epic 4g. I really need this function for my job. Is anyone else having this problem?
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Dec 22, 2009
Does anyone know if by chance, with the pending upgrade in the near future for the Moment, if it will correct the voice dial compatibility with a BT headset? Coming from a BB Curve, I miss the above and also the speak option when it comes to the search and driving navigation. I am thinking I may have made a mistake.
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May 3, 2010
This may sound pretty weird and there may be a lot of reasons y this was never attempted, but would it be remotely possible to flash spicas firmwares on galaxy after adding galaxy specific drivers to it? The reason why I ask this iz that both the phones are of similar(not same) configs.
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Sep 11, 2010
I was wondering if someone could explain how to forward a telephone # directly to voicemail? I tried googling this but the steps I found are not working (i.e. no option appears in my contact page to forward the #)
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Jun 25, 2010
Once again, I must do a hard reset on my Samsung Moment. I love and hate this phone! My calls started randomly going directly to voice mail, then they all went directly to voice mail. Yesterday I couldn't make or receive any calls! They got that fixed today with a reprogram process, BUT, now I cannot connect to the Internet!
How do I forward/save, whatever, my text messages? Can I save them somehow to the SD card and remove it? Can I forward them to my email (without using the Internet?).
I have the messaging program that is standard, plus I use Chomp SMS mainly.
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Nov 21, 2009
<supports-screens android:anyDensity="false" android:largeScreens="false" android:normalScreens="true" android:smallScreens="false" android:resizeable="false"></supports- screens>
first of all what is the resizeable attribute? It does not seem to be documented. This is working almost 90% for my game except when testing in WVGA screen resolution, all my images are scaled incorrectly, it is longer vertically than horizontally. I was expecting the screen compatibility to maintain aspect ratios as that of HVGA.
Also in my layout I have a scrollview and it is designed in such a way that in HVGA when it is not scrolled down, the items are hidden away, however now in WVGA those things are shown. If the aspect ratio of HVGA is maintained I won't have this issue. How can I make sure the aspect ratio is maintained? Also in my layout I am positioning some items using pixel positions. Should I convert these to dpi? How do I calculate what dpi they should be?
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Oct 12, 2009
What is the recommended approach to have currently shipping 1.5-SDK compliant apps to start offering 1.6 features (such as TTL) in the Market? Can we just publish 2 versions of the same package name each compiled with a different SDK level (will the Market automatically push out only the right version of the app) or do we have to use different package name and assume that the user will find a way to understand the version of the OS he has. A public statement to the developper community would be more than welcomed here!
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Apr 21, 2010
I've found again my DevPhone1 (aka G1) on a shelf and though that this time I should really give it a try and create an app for it. But I've really lost touch with the Android world and now I don't know where to start really. There have been many SDK releases lately for many new and better devices. Which one of these can I use with G1? What is the most recent one which can be used on that hardware (although with reduced performance) but which will enable development for rather modern Android releases as well. The firmware update received today, while recharging the phone, is 1.6. Can I go higher with some R&D build?
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Jan 24, 2010
i want to develop an application on android,webos,wince. how to develop application that should run on all paltform with developing each paltform
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