Android : Looking For Sync Adapter - Api Level 3 & 4?
Jul 30, 2010
I'm looking at the sample sync adapter here:
http://developer.android.com/resources/samples/SampleSyncAdapter/inde...
I'd like to still support sdk level 3 and 4 devices. Will including the following lines in my app's manifest be problematic?: are these specific to sdk level 5?
Ideally, we could include these for level 3 and 4 users, and they just won't be shown the contact sync option at all. Is this how it's meant to work?
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Oct 18, 2010
I'm implementing my own sync adapter and everything works great. A strange i'm having is that after the sync is over, the Android still shows the sync icon (the one with the rounded arrow) in the account activity, and that someone (i guess its the account manager) repeatedly calls the sync again and again, every 30 to 60 seconds. Now i tried all sort of things to test this issue and i have discovered something strange. In my code, i do resolver.applyBatch every 50 new rows. (each new contact i sync has about 5 rows). If i remove the applyBatch (which means i retrieve the data from the next, sort it and prepare it, but never "commit" it) - the problem goes away. The icon disappear and the account manager never calls it again on its own (I'm using Android 2.1). I must also state that no exception is being thrown in any of the cases and that all the methods finish gracefully.
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Feb 16, 2010
I just got the sample sync adapter code running on the emulator, but how do I add account in it when it asks for username and password? And I have the following questions
1) SampleSyncAdapter is for 2.0 and in 2.0 emulator I don't see the Accounts & Sync options in the Settings, am I missing anything? so for this I compiled this app in 2.1 and ran on 2.1 emulator
2) In 2.0 emulator when I launch Accounts option from Contact app, it crashes? I saw this a raised bug, is this solved?
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Jul 2, 2012
I'm having trouble developing an app, while it works in API level 10, it does not in API level 7. I wondery why and I've been looking for a site that summarizes the differences, or the new features from one API level to another and cannot find it.
09-04 04:24:21.485: E/AndroidRuntime(6834): Uncaught handler: thread main exiting due to uncaught exception
09-04 04:24:21.510: E/AndroidRuntime(6834): java.lang.VerifyError: [code]....
There seems to be a problem with an uncaught exception and reflection, although....why does it work on API level 10?
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Sep 13, 2010
When creating a custom account and/or sync adapter, raw_contacts that belong to your custom account can be created. But it looks like that they then cannot be edited with the Contact app! Is this a known limitation, or a problem in my code?
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Aug 11, 2010
I've read through the SampleSyncAdapter project
(http:// developer.android.com/resources/samples/SampleSyncAdapter/index.html).
The main entry point for the SampleSyncAdapter appears to be the onPerformSync(...) method. In the documentation page for the sample, it mentions that "[onPerformSync]...gets called whenever the sync manager issues a sync operation for that sync adapter." Who is this 'sync manager', and at what intervals will it instruct the sync adapter to onPerformSync()?
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Oct 28, 2010
I'm have a custom GridView Array Adapter. The problem for me is that when the grid list gets large enough to scroll off the screen the gridview and arraylist get out of sync. For instance in my case I have code that checks if an actor is of type director the text color should be red. if you scroll up and down my list enough times all the actors text in my gridview will become red. The thing is that the Gridview appearance actually looks fine its the backing data. Here is the complete class. In the code you can see where I tried to override getItem and getItemId but that didn't fix anything. Code...
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Sep 21, 2010
I have updated my tools to revision 7 and now I can't do a build as it says the API level is obsolete. I can understand warning but it won't build at all. I am using android.bat to generate a build.xml for release versions. So the build.xml gets made from scratch each time. If I switch to --target 8 it builds but I have already released it on the Android Market with 6. Won't this mean that some people that have Android 2.0.1 won't be able to run it?
CODE:........
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Aug 9, 2010
I'm looking for some way in Android to play in-memory audio in a manner analogous to the waveOutOpen family of methods in Windows programming. The waveOut... methods essentially let an application create arrays of sample values (like in-memory WAV files without the headers) and dump them into a queue for sequential playback. Windows transitions seamlessly from one array to the next, so as long as the application keeps dumping arrays into the queue ahead of playback, the program can create and play continuous audio of any arbitrary length. The Windows API also incorporates a callback mechanism that the application can use to indicate progress and load additional buffers.
As far as I can tell, the Android audio API lets an application play a file from local storage or a URL, or from a memory stream. Is there any way to get Android to "queue up" MediaPlayer.start() calls so that one player transitions (without glitches) into the next upon play completion? It appears that Jet does something like this, but only with its own internal synthesis engine. Is there any other way of accessing Android audio in a waveOutOpen way?
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Sep 4, 2009
I know about LocationManagerService, AlarmManagerService, and BatteryService, from Android programming books, but is there a published list of all available services?
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May 4, 2010
How can I find out which API Level my device is using? I checked the firmware version of it. It's 1.6. Does that mean it uses API Level 4?
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May 15, 2010
Is there a way to trace through function calls at the lowest levels of the Android system? Right now when I debug in Eclipse, it goes through the source files that are located inside the frameworks folder, but is it possible to go even lower? For example show what functions are being called from the libcore folder. I am also interested to find how it communicates with the linux kernel at the bottom of the layers. Is there a way to do this?
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Jun 24, 2010
I have a string that contains a xml structure and there are two pieces of data in separate tags that I am after.
xpath has been added since API level 8, and with me being stuck with API level 3 (old phone for you ;-)) I need a way to get the data.
Would using a regular expression commit a huge sin? ;-) The xml isn't that big...
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Nov 21, 2010
Could you please let me know what is an adapter and how can i use it? It seems to be powerful stuff.
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Sep 25, 2010
Can anyone suggest me a nice app to see the battery level?
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Nov 29, 2009
Hello, I would like to ask what settings are necessary for my application to be available on all screen sizes: Is it enough to compile it using SDK 1.6 (but target is set to 1.5 and API level to 3) or maybe I have to set target to 1.6 and API level to 4?
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Feb 9, 2010
Searching old posts reveal that no one knows a way to get the current battery level without using intents. Is this true? There's no method to just return the current battery level?
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Apr 5, 2009
I am trying to develop a program which detects noise level of outside. Is it loud or silent? How loud? Where should I start? Is there any example?
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Jun 25, 2010
How to decode a base64 encoded string to byte array on Android API level 7?
Can it be done using any standard packages of Java?
Should i copy the source code from google search results?
Should i re-implement encoder and decoder according to RFC?
API level 8 has util package android.util.Base64 that does this, but i have to do development based on API level 7.
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Sep 24, 2009
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Nov 17, 2010
our engineer test video and audio player using streaming aac mono contents and 128x98 video content.aac and mp4 decoder can't decoding content. and return error.android not support low level contents?
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Apr 25, 2009
I could see there are many APIs available in Android. If I have to create some device driver do I need to use Java(Android) for that also. Or that will be in C?
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Feb 19, 2010
Is PV player API available at Android application level?
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Apr 15, 2009
I want to ask to google engineers that whether future sdk releases will provide any CC++ support for application developement? If no.. then Can you tell me the disadvantage of these languages?
As per my knowledge and experience, runtime environment is not needed to execute CC++ application. So why cant we directly run any application which is written in CC++? Is there any way to bypass DVM to execute a code?? Core android librarys are CC++ only...
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Oct 11, 2009
I want a application level object in Android.Here is the scenario... Suppose I want to pass a object from Activity A to Activity B then to Activity C D......... Then I will have to pass that object from Activity A to B then to C then to D....... Passing the Parcel Through the Bundle. Is there a Object in Android which can be accessed by all the Activities and its lifetime is same as the lifetime of the application.
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Apr 27, 2009
I'm trying to product a binary that is compatible with 1.1 and 1.5, but i'm having trouble with the ViewSwitcher class behaving different. I'd like to create a wrapper for it, but I need a way to programatically detect the api level at runtime.
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Jul 1, 2010
Build.VERSION.SDK_INT was added only in API level 4 (1.6). Is it possible to determine if phone has API level 3 (1.5) ?
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Aug 26, 2010
Is there a way to get the api level ? eg. to an int.
I want to make 1 version of an application but only use AnticipateOvershootInterpolator()
to >3 Api level devices.
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Oct 7, 2009
Google suggests in Dev Guide that we set the API level as low as possible to cover most of the devices. Somebody recently pointed out in my app that when they are typing in the password the automatic suggestions pop up making it annoying. I found out the solution, but is only available in API level 3.I guess my question is, are there devices out there that use Android 1.1 still?
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Jul 29, 2009
Generic android.widget.Adapter iface has getCount() method which tells e.g. ListView how many items adapter has. what if my Adapter's data source cannot tell me it's size and has only method Object getItem(int position) returning e.g. null when there is no item for that position? in other words i can get some object at given position but don't know maximum value for position so, is it possible to create Adapter not knowing apriori its size?
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