• Class Reference - Android 1
  • Class Reference - Android 2
  • Class Reference - Android 3
  • Class Reference - Android 4

Class Reference - Android

The Application contains 5000+ (300+ packages) android class information up to API Level 24 (Android N). The whole information was taken from http://developer.android.com/reference/packages.html and the information made available in offline with in the application (file size ~47MB).
Application provides an option to view the class information by Alphabetical order or by package.

All the content up to API level 23 can be accessed freely with out any adds from Free version.

But if you want following features and want to encourage further development, please, upgrade to premium version using In-App purchases .**********Premium App Features**********
* API 24 Content
* Searching by class name
* Bookmarks
* History
* API Filtering
* Future updates

Category : Books & Reference

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Reviews (28)

Joh. B. Oct 8, 2019     

Very very very useful app. I use this app every day, every second. It is better than the crappy website; which is freaking SLOW. The free version is very user friendly. Everything is placed in abc order. And you can find by class or package. You dont really need to use the search function. Plus it is much faster than the crappy site. And when I dont have internet I am happy. I was thinking about making a more custom reference, but that would take alot of work.

Syn. 1. Oct 31, 2018     

Purchased Premium in one device (I think...), now it does not let me repurchase (?) Premium in a second device nor admits Premium features. Very bad if every navigation returns to the previous list _start_ or back to returns to the first index page. But it reads offline. Why can't I update to Premium? Is my other device really updated to Premium? This account has no other payment issues now.

Pet. C. Feb 13, 2022     

Lots an lots of reading. . . Shame i cant integrate my neural text reader.or TTS system to let me enjoy reading it all! Maybe soon? Upgrade..

Shi. S. May 30, 2021     

Sad to see that this useful app has only 5k+ downloads while craps like TikTok has million installs... Great work Developer... Thanks for this amazing app

Pri. T. Z. Jul 20, 2021     

Come on ,I have to upgrade for me to just search. Just add ads.

Ole. K. Nov 18, 2018     

Very useful application. Please use proguard for future versions ;)

Chr. M. Oct 24, 2021     

the best digital learning tool.

Abd. A. Aug 21, 2020     

The best offline Android API reference on the Play Store.

Blo. D. Sep 15, 2020     

Very useful! Well worth a buck :)

Kan. J. Apr 19, 2022     

Very good for reference

Dha. K. Oct 23, 2020     

When i tap to any class it kills app.

Ant. R. Nov 7, 2021     

to soon to tell

Ric. S. Nov 21, 2021     

its ok lol

Roy. A. May 30, 2022     

Well some classes are missing in this apk There is no constraint layout class . Some redirection is also not working.... Like any viewgroup's subclass to viewgroup class.. Please fix this

Nox. F. Dec 1, 2017     

So, basically, just for an app that has a reference that is already online and is free to public I do have to pay to have full access? Making money with other people's worl, huh, sir? I think it should all be free and that way it would not make me not want to pay for something free but actually donate to the developers. The way you did this is wrong and I completely disagree with it. Maybe you shoulda have added ads or something and then a "donate any amount to remove ads"... Anyways, the app is yours and this is just my feedback. 🖖

Rob. L. Dec 25, 2018     

I already upgraded this application but it shows "please upgrade to premium application to enable this feature" whenever I try to search something.

A. G. u. May 12, 2018     

This is a great app. Hi 5 to the developer, you did a great Job....i always like to use an offline reference manual for any programming language I program in. I just gut upgraded and I think the app is worth paying for.... congratulations again!!

ram. k. Feb 12, 2018     

Offline API is useful to refer it when I put of network

Ily. P. May 17, 2018     

To search you have to pay. No way to test this feature and try it before payment!

Luc. P. Nov 17, 2017     

Most Awesome reference I ever found ..... Gonna buy the full package soon.

Ssu. R. Oct 7, 2017     

Very nice work. I'm going to buy definitely purchase the premium version. But a question beforehand, if after purchasing for some reason i have to format my phone or if i buy a new phone, will i have to purchase the premium version again?

Rom. M. Jan 18, 2017     

It works, at least

Chr. G. Jul 3, 2016     

very functional but hard to use with its bright, harsh theme. needs a more neutral theme option or allow customization

Rob. K. Oct 26, 2016     

Simple ref when offline. Some of the links point to empty pages but at least it is useable without having to buy pro version which is a nice change

Ale. A. Aug 22, 2016     

instead of upgrading my data plan better to use this app and buy premium and save a lot of time and money. thanks again

bha. r. Jun 9, 2016     

Go download it and have fun

Non. U. May 8, 2016     

The app has a wonderful UI, info looks well organized and categorized, but each time I click on any class (to view its details), the app crashes.

Pet. J. Oct 13, 2016     

Why did such a small amount of people download this app? It's amazing!!