Infinum android talks_10_android_libraries_used_on_daily_basis
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There's a large number of libraries available for Android but who has the time to try them all? In this lecture we'll show you a few libraries which we use on daily basis and explain how they can help you to get the job done faster. https://www.youtube.com/watch?v=9yxj9bxQ9H4
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Infinum android talks_10_android_libraries_used_on_daily_basis
- 1. We design and develop great software for mobile and web.
- 2. Android libraries which we use on daily basis Ivan Kocijan
- 3. Views Discreet app rate ButterKnife Picasso Universal Image Loader Glide ViewPager Indicator CircleImageView Android crop API Retrofit GSON Database DbFlow Android dbInspector Testing Mockito Roboelectric OkHttp Other Crashlytics Eventbus Dagger Joda Time
- 5. ButterKnife • View "injection" library • It finds and automatically cast the corresponding view in your layout • Helps you write less code
- 7. ViewPagerIndicator • Paging indicator widgets compatible with the ViewPager • Helps you provide a clear indicator that additional content exist
- 10. CircleImageView
- 12. Android crop • Provides a simple image cropping • Simple configuration • Backwards compatible to Gingerbread • Nice and clean UI
- 13. Android crop usage • Declare CropImageActivity in your manifest file
- 14. Android crop usage - part2
- 16. UniversalImageLoader • Library for loading, caching and displaying images • Highly customizable • You can cache images on disk or memory or both
- 17. UIL usage - part 1
- 18. UIL usage - part 2
- 19. Glide • Glide supports fetching, decoding and displaying video stills, images, and animated GIFs. • Uses a custom HttpUrlConnection but it can use Volley or OkHttp library instead
- 20. Glide usage
- 21. Picasso • Image downloading and caching library • Easy to use • Automatic memory and disk caching.
- 22. Picasso usage
- 23. UIL vs Picasso vs Glide Objective: •Load 8268x14173px (11MB) image into ImageView •Do not use custom configuration
- 24. Results Glide UIL Picasso Memory allocated (MB) 13 MB 20 MB ∞ Time (s) 28 sec 46 sec ∞
- 25. GSON • Convert Java Objects into their JSON representation • Convert a JSON string to an equivalent Java object
- 26. GSON usage - part 1
- 27. GSON usage - part 2
- 28. Retrofit • Use annotations to describe the HTTP request • URL parameter replacement and query parameter support • Multipart request body and file upload
- 29. Retrofit usage - part 1
- 30. Retrofit usage - part 2
- 31. DbFlow • ORM android database library with annotation processing • Very fast • Triggers, Views, Indexes, and many more SQLite features • Approved by Željko Plesac
- 32. DbFlow usage - part 1
- 33. DbFlow usage - part 2
- 34. DbFlow usage - part 3
- 35. DbFlow - I want more! • Check out Android Talks #10
- 36. DbInspector • Created by Dino Kovač • View the contents of the in-app database for debugging purposes • No need to pull the database from a rooted phone • Approved by Željko Plesac • Android talks #5
- 37. Mockito • “Mockito is a mocking framework that tastes really good” • Create readable unit tests which produce clean verification errors • Top 10 Java library across all libraries
- 38. Robolectric • A unit test framework that helps you test-drive the development of your Android app • Robolectric handles inflation of views, resource loading, and lots of other stuff. • Run your tests on your workstation, or on your Continuous Integration environment
- 40. Crashlytics • Light weight crash reporting solution • Easy to use • Android studio plugin • Very powerful
- 41. Eventbus • Publish/subscribe event bus • Simplifies the communication between components • Has advanced features like delivery threads, subscriber priorities
- 42. Eventbus usage 1. Define event public class MessageEvent { /* Additional fields if needed */ } 2. Register subscriber EventBus.getDefault().register(this); public void onEvent(MessageEvent event) {// Do something }; 3. Register onEvent method EventBus.getDefault().post(new MessageEvent()); 4. Post event
- 43. Dagger • Dependency injector for Android and Java • Makes each class easy to test • Create reusable modules • Check out their official site
- 44. Joda Time • Replacement for the Java date and time classes • Provides simple API • Multiple calendar systems • Under active development since 2002 • From Java SE 8 onwards, users are asked to migrate to java.time
- 45. Links • ButterKnife - http://jakewharton.github.io/butterknife/ • ViewPagerIndicator - http://viewpagerindicator.com/ • CircleImageView - https://github.com/hdodenhof/CircleImageView • Android Crop - https://github.com/jdamcd/android-crop • UniversalImageLoader - https://github.com/nostra13/Android-Universal-Image-Loader • Glide - https://github.com/bumptech/glide • Picasso - http://square.github.io/picasso/ • Retrofit - http://square.github.io/retrofit/ • GSON - https://code.google.com/p/google-gson/ • DbFlow - https://github.com/Raizlabs/DBFlow • DbInspector - https://github.com/infinum/android_dbinspector • EventBus - https://github.com/greenrobot/EventBus • Dagger - http://square.github.io/dagger/ • JodaTime - http://www.joda.org/joda-time/ • Mockito - http://mockito.org/ • Roboelectric - http://robolectric.org/ • OKHttp - https://github.com/square/okhttp • Discreet app rate - https://github.com/PomepuyN/discreet-app-rate • Crashlytics - https://try.crashlytics.com/
- 46. email: ivan.kocijan@infinum.hr twitter: @ikocijan Android talks: infinum.co Android talks video: Youtube channel Thank you!