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I have a question concerning Android APIs.
1) Does the latest API (in Android) include ALL features (classes) from the earlier ones?
2) Is there any features, that got removed by a newer API? If yes, is there any website showing me the added/edited/removed features?
thank you :)))))
Does the latest API (in Android) include ALL features (classes) from the earlier ones?
Generally, yes.
Is there any features, that got removed by a newer API?
Sometimes, yes. Usually, what happens is that the resulting methods get marked as deprecated and do not do anything. Occasionally, stuff gets deleted from the class library outright.
If yes, is there any website showing me the added/edited/removed features?
There is an API differences report for each API release. For example, here is the report of the changes between API Level 20 and 21.
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I want to make an app in which we can change API level of mobile temporarily and test our apps.So,
Is it possible to change API level of mobile and test our app by using android app?
If it is possible then how we can do this in android applications by using Java.
No deployed version of OS of any sort contains its previous releases (don't confuse this with OS backward compatibility). The simplest way to test on various versions of given platform is to use emulator(s).
For Android see either stock one or 3rd party ones like Genymotion or Blue Stacks.
You can do that via emulator.
I don't think that it's possible to do with mobile.
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So, i made a simple game in android studio and everything worked fine on my api 17 device. For some reason it doesn't want to work on my other device with api 23. It instantly stops working. I'm pretty sure it has nothing to do with permissions (that was the only thing that i found on google). My app uses only Google game services and sharedprefernces. I'm quiete new so dont hate if the question doesn't makes sense or something.
There are many changes. You can check the version changes in the documentation. You should check the log cat for the exact exception if you start to Google for it you will probably find out fast what is going on.
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I have developed a simple app, using a webview. It crashes on APIs older than 11. I guess that I used some futures that are not supported on old APIs and that is why it isn't working.
Sometimes when I am changing my code in Eclipse it gives me error about this, but most of the times there's no error or warning.
I think it's a bug in Eclipse, how should I find the parts that are causing the problem.
I won't send any code because it is a general question of mine.
Your app is crashing on devices older than API level 11 due to ActionBar compatibility issues.
You will need to use support library appcompat_v7 to make your app with ActionBar run on devices lower than API level 11.
Here's a complete tutorial of using appcompat_v7 library :
http://android-er.blogspot.in/2013/12/create-dummy-app-extend.html
Official link :
https://developer.android.com/tools/support-library/setup.html
Hope this helps!
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I am trying to add a search interface based on the android docs. However, my target api level is 8, which is gingerbread (i think) but the eclipse, as well as the docs says the target api level must be 11 (honey comb). How could I resolve this issue? Thanks!
If you read the docs page in the link you posted in your comment on your question it says...
Note: Later in this class, you will learn how to make your app compatible down to Android 2.1 (API level 7) for devices that do not support SearchView.
You need to look at Remaining Backward Compatible which uses the v7 compatibility library to supporrt back to API 7 (Eclair). BTW, API 8 is Froyo (Android v2.2).
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I want to develop an app like this. Is there an API for this?
http://ipclineapro.com/ticketscan/
The TicketScan app is made specifically for the Webconnex platform (i.e someone buys tickets on Webconnex). So it isn't intended for other platforms, which is why it only provides a ticket number.
We do not, as of yet, have an Android app. When we first created TicketScan it only supported the Linea Pro (iPod accessory, now also for iPhone), but we later added support for QRCodes for the camera.
If you are wanting to make an Android app that works with our platform, we do have an internal REST based service the app uses. This service isn't documented, and we don't intend to release it publicly in its current form, partly because it may be changed in the near future.
Currently we are working on a revamp of our platform, which will have a slew of API's available.
I recieved the reply to my mail from Webconnex. They said that there is no API open for us to use.