| Apps | | |
| Inoreader - News Reader & RSS | https://play.google.com/store/apps/details?id=com.innologica.inoreader |
| Reddit: The Official App | https://play.google.com/store/apps/details?id=com.reddit.frontpage |
| Player FM - Podcast Offline | https://play.google.com/store/apps/details?id=fm.player |
| Playbook for Developers | https://play.google.com/store/apps/details?id=com.google.android.apps.secrets |
| RSS and News Aggregators | | |
| Inoreader | https://www.inoreader.com |
| Reddit - Kotlin | https://www.reddit.com/r/Kotlin |
| Reddit - Android | https://www.reddit.com/r/androiddev |
| Podcasts | | |
| Android Snacks | https://androidsnacks.wordpress.com |
| Talking Kotlin | http://talkingkotlin.com |
| Fragmented | http://fragmentedpodcast.com |
| Android Developers Backstage | http://androidbackstage.blogspot.de |
| The Context #androiddev | https://github.com/artem-zinnatullin/TheContext-Podcast |
| Native Wheelhouse | https://nativewheel.house |
| Websites/Subscriptions | | |
| Kotlin Weekly | http://www.kotlinweekly.net |
| Android Weekly | http://androidweekly.net |
| Android Dev Digest | https://www.androiddevdigest.com |
| InfoQ | https://www.infoq.com/android |
| JournalDev | http://www.journaldev.com |
| Courses/Presentations/Tutorials | | |
| Caster IO | https://caster.io/courses |
| Udacity | https://www.udacity.com/courses/android |
| Envato Tuts Plus | https://code.tutsplus.com/categories/android/courses |
| Speaker Deck | https://speakerdeck.com |
| Android Hive | https://www.androidhive.info |
| Vogella | http://www.vogella.com/tutorials/android.html |
| Ray Wenderlich | https://www.raywenderlich.com/category/android |
| Android | Design | |
| Android Design Patterns | http://www.androiddesignpatterns.com |
| UpLabs Material | https://www.uplabs.com/material |
| Android Niceties | http://androidniceties.tumblr.com |
| Android UI Patterns | http://www.androiduipatterns.com |
| Android | Marketing | |
| Weeby Network | https://weebynetwork.com/blog |
| Android | Libraries | |
| Android Arsenal | http://android-arsenal.com |
| Kotlin Resources | https://www.kotlinresources.com/tag/android |
| Blogs | Grandmasters | |
| The Clean Code | http://blog.cleancoder.com |
| Martin Fowler | https://martinfowler.com |
| Blogs | Kotlin | |
| JetBrains | https://blog.jetbrains.com/kotlin |
| Super Kotlin | https://superkotlin.com |
| Kotlin Development | https://www.kotlindevelopment.com |
| Hadi Hariri | http://hadihariri.com |
| Antonio Leiva | https://antonioleiva.com/category/blog |
| Jim Baca | http://blog.jimbaca.com |
| Simon Wirtz | https://blog.simon-wirtz.de |
| Tonic Artos | http://www.tonicartos.nz |
| Philipp Hauer | https://blog.philipphauer.de |
| Blogs | Reactive | |
| Advanced Reactive Java | http://akarnokd.blogspot.de |
| Blogs | Developers | |
| Jake Wharton | http://jakewharton.com |
| Donn Felker | http://www.donnfelker.com |
| Kaushik Gopal | http://blog.kaush.co |
| Mark Allison | https://blog.stylingandroid.com |
| Hannes Dorfmann | http://hannesdorfmann.com |
| Dan Lew Codes | http://blog.danlew.net |
| Chiu-Ki Chan | http://blog.sqisland.com |
| Chris Banes | https://chris.banes.me |
| Rebecca Franks | https://riggaroo.co.za |
| Zarah Dominguez | http://zdominguez.com |
| Elif Boncuk | https://elifboncuk.com |
| Annyce Davis | http://adavis.info |
| Huyen Dao | http://www.randomlytyping.com/about |
| Lisa Wray | http://www.xwray.com |
| Daichi Furiya | https://wasabeef.jp |
| Scott Alexander-Bown | https://scottyab.com |
| Cyril Mottier | https://cyrilmottier.com |
| Corey Latislaw | http://coreylatislaw.com/category/mobile |
| Wolfram Rittmeyer | http://www.grokkingandroid.com |
| Zarah Dominguez | http://www.zdominguez.com |
| Fernando Cejas | https://fernandocejas.com |
| Kelly Shuster | http://www.kiodev.com |
| Michael Evans | http://michaelevans.org |
| Michał Łuszczuk | http://blog.propaneapps.com |
| Ryan Harter | http://ryanharter.com |
| Blogs | Medium | |
| Google Developers | https://medium.com/google-developers |
| Square Corner | https://medium.com/square-corner-blog |
| Pro Android Dev | https://proandroiddev.com |
| Android DEV | https://medium.com/tag/androiddev |
| Android Pub | https://android.jlelse.eu |
| Android Friendly | https://android.i-visionblog.com |
| Fueled Android | https://medium.com/fueled-android |
| Heetch Engineering | https://eng.heetch.com |
| Mobile Engineering | https://medium.com/mobile-engineering |
| Chet Haase | https://medium.com/@chethaase |
| Florina Muntenescu | https://medium.com/@florina.muntenescu |
| George Mount | https://medium.com/@georgemount007 |
| NitinKumar Gove | https://medium.com/@nitinkumargove |
| Patryk Poborca | https://medium.com/@patrykpoborca |
| César Ferreira | https://medium.com/@cesarmcferreira |
| Sebastiano Poggi | https://medium.com/@seebrock3r |
| Sebastiano Gottardo | https://medium.com/@rotxed |
| Aritra Roy | https://blog.aritraroy.in |
| Blogs | Google | |
| Google Developers | https://developers.googleblog.com |
| Android Developers | https://android-developers.googleblog.com |
| Blogs | Companies | |
| JetBrains | https://blog.jetbrains.com/idea |
| Realm | https://realm.io/news |
| Genymotion | https://www.genymotion.com/blog |
| CommonsWare | https://commonsware.com/blog |
| Yalantis | https://yalantis.com/blog |
| Philosophical Hacker | https://www.philosophicalhacker.com |
| Big Nerd Ranch | https://www.bignerdranch.com/blog/categories/android |
| Software Engineering Hipster | https://artemzin.com/blog |
| The Cheese Factory | https://inthecheesefactory.com/blog |
| Mindorks | https://blog.mindorks.com |
| Novoda | https://www.novoda.com/blog |
| Babylon Health | https://blog.babylonhealth.com |
| Blogs | Other | |
| TechBeacon | https://techbeacon.com/mobile |
| Mike Cohn | https://www.mountaingoatsoftware.com/blog |
| Coding Horror | https://blog.codinghorror.com |
| Base Lab | https://lab.getbase.com/category/engineering |
| Hyde | http://hyde.getpoole.com |
| Twitter | Follow | |
| Google Developers Experts | https://developers.google.com/experts |
| Jake Wharton | https://twitter.com/JakeWharton |
| Donn Felker | https://twitter.com/donnfelker |
| Kaushik Gopal | https://twitter.com/kaushikgopal |
| Chet Haase | https://twitter.com/chethaase |
| Tor Norbye | https://twitter.com/tornorbye |
| Genymotion | https://twitter.com/Genymotion |
| Websites/Subscriptions | (see relevant section) |
| Courses/Presentations/Tutorials | (see relevant section) |
| Blogs | (see relevant section) |
| YouTube Channels | (see relevant section) |
| Community/Meetups | (see relevant section) |
| YouTube | Channels | |
| Android Developers | https://www.youtube.com/user/androiddevelopers |
| Android Dialogs | https://www.youtube.com/channel/UCMEmNnHT69aZuaOrE-dF6ug |
| Google Developers | https://www.youtube.com/user/GoogleDevelopers |
| Firebase | https://www.youtube.com/user/Firebase |
| JetBrainsTV | https://www.youtube.com/user/JetBrainsTV |
| SquareEngineering | https://www.youtube.com/user/SquareEngineering |
| Square Island | https://www.youtube.com/channel/UCtdDoUTSw0tkvtro98Xu35g |
| Touchlab | https://www.youtube.com/channel/UC_LIW0OUdsRI21D0xnWkexw |
| Slidenerd | https://www.youtube.com/user/slidenerd |
| YouTube | Search & Find | |
| Google IO Android | |
| Firebase IO Android | |
| Droidcon | |
| Android Dev Summit | |
| Community/Conferences | | |
| GitHub | https://github.com/AndroidStudyGroup/conferences |
| Community/Meetups | | |
| All Android Meetups | https://www.meetup.com/topics/android/all |
| All Android Development Meetups | https://www.meetup.com/topics/android-developers/all |
| Community/Meetups | San Francisco & Silicon Valley | |
| Bay Area Kotlin User Group | https://www.meetup.com/Bay-Area-Kotlin-User-Group |
| The San Francisco & Silicon Valley Android Developers | https://www.meetup.com/svandroid |
| The San Francisco Android User Group | https://www.meetup.com/sfandroid |
| GDG San Francisco | https://www.meetup.com/google-developer-group-san-francisco |
| Community/Meetups | London | |
| GDG London | http://www.gdg-london.com |
| Kotlin London | https://www.meetup.com/kotlin-london |
| The London Android Group | https://www.meetup.com/android |
| Community/Meetups | Berlin | |
| Berlin Android | http://berlindroid.de |
| Berlin Kotlin User Group | https://www.meetup.com/GDG-Berlin-Android |
| GDG Berlin Android | https://www.meetup.com/GDG-Berlin-Android |
| GDG Berlin | https://www.meetup.com/gdgberlin |
| Community/Meetups | Athens | |
| GDG Android Athens | https://www.meetup.com/GDG-Android-Athens |
| Slack | Join | |
| Kotlin Language | kotlinlang.slack.com |
| Android United | android-united.slack.com |
| Android Chat | androidchat.slack.com |
| Firebase Community | firebase-community.slack.com |
| Spec Network | specnetwork.slack.com |
| Slack | Local Community | |
| ADG Berlin | adg-berlin.slack.com |
| Android Dev Brazil | androiddevbr.slack.com |
| Greek Android Developers | gdgandroidathens.slack.com |
| Previews/EAP | | |
| Android O | https://developer.android.com/preview/index.html |
| Android Studio 3.0 | https://developer.android.com/studio/preview/index.html |
| Kotlin 1.1.4 EAP | https://discuss.kotlinlang.org/t/kotlin-1-1-4-eap/3721 |
| Kotlin 1.2 EAP | https://blog.jetbrains.com/kotlin/2017/06/early-access-program-for-kotlin-1-2-has-been-started |
| GitHub Projects | Kotlin | |
| What's Trending in Kotlin | https://github.com/trending/kotlin |
| Awesome Kotlin | https://github.com/KotlinBy/awesome-kotlin |
| Kotlin Koans | https://github.com/Kotlin/kotlin-koans |
| Design Patterns In Kotlin | https://github.com/dbacinski/Design-Patterns-In-Kotlin |
| Bandhook Kotlin | https://github.com/antoniolg/Bandhook-Kotlin |
| KEEP | https://github.com/Kotlin/KEEP |
| Kotlin Coroutines | https://github.com/Kotlin/kotlin-coroutines |
| Idiomatic Kotlin | https://github.com/yole/idiomatic-kotlin |
| Clean Architecture | https://github.com/bufferapp/android-clean-architecture-boilerplate |
| GitHub Projects | Android | |
| What's Trending in Java & Android | https://github.com/trending/java |
| Awesome Lists | https://github.com/sindresorhus/awesome |
| Awesome Java | https://github.com/akullpp/awesome-java |
| Awesome Android | https://github.com/JStumpp/awesome-android |
| Awesome RxJava | https://github.com/eleventigers/awesome-rxjava |
| Awesome UI/UX | https://github.com/wasabeef/awesome-android-ui |
| Awesome Material Design | https://github.com/sachin1092/awesome-material |
| Awesome Android Things | https://github.com/amitshekhariitbhu/awesome-android-things |
| Android Guides | https://github.com/aritraroy/UltimateAndroidReference |
| Android Guides | https://github.com/codepath/android_guides/wiki |
| Android Guides | https://github.com/ribot/android-guidelines |
| Best Practices | https://github.com/futurice/android-best-practices |
| Architecture | https://github.com/googlesamples/android-architecture |
| Architecture Components | https://github.com/googlesamples/android-architecture-components |
| Clean Architecture | https://github.com/android10/Android-CleanArchitecture |
| MVP | https://github.com/sockeqwe/mosby |
| RxJava | https://github.com/kaushikgopal/RxJava-Android-Samples |
| RxJava | https://github.com/amitshekhariitbhu/RxJava2-Android-Samples |
| Dagger | https://github.com/JakeWharton/u2020 |
| Testing | https://github.com/googlesamples/android-testing |
| Quality | https://github.com/artem-zinnatullin/qualitymatters |
| Material Design | https://github.com/nickbutcher/plaid |
| Util Code | https://github.com/Blankj/AndroidUtilCode |
| Put It All Together | https://github.com/athkalia/Just-Another-Android-App |
| Android Development Blogs | https://github.com/ziem/android-development-blogs |
| One Library Per Month | Kotlin | |
| Anko | https://github.com/Kotlin/anko |
| RxKotlin | https://github.com/ReactiveX/RxKotlin |
| Kodein | https://github.com/SalomonBrys/Kodein |
| Kotlin Coroutines | https://github.com/Kotlin/kotlinx.coroutines |
| KotterKnife | https://github.com/JakeWharton/kotterknife |
| SQLDelight | https://github.com/square/sqldelight |
| Kotlin Koi | https://github.com/mcxiaoke/kotlin-koi |
| AsyncAwait | https://github.com/metalabdesign/AsyncAwait |
| Exposed | https://github.com/JetBrains/Exposed |
| One Library Per Month | Android | |
| Android Architecture Components | https://developer.android.com/topic/libraries/architecture/index.html |
| Firebase Realtime Database | https://firebase.google.com/docs/database |
| DataBinding | https://developer.android.com/topic/libraries/data-binding/index.html |
| RxJava | https://github.com/ReactiveX/RxJava |
| Dagger | https://github.com/google/dagger |
| ButterKnife | https://github.com/JakeWharton/butterknife |
| AndroidAnnotations | https://github.com/androidannotations/androidannotations |
| Retrofit | https://github.com/square/retrofit |
| Realm | https://github.com/realm/realm-java |
| SQLBrite | https://github.com/square/sqlbrite |
| Glide | https://github.com/bumptech/glide |
| Picasso | https://github.com/square/picasso |
| Fresco | https://github.com/facebook/fresco |
| Stetho | https://github.com/facebook/stetho |
| LeakCanary | https://github.com/square/leakcanary |
| AutoValue | https://github.com/google/auto |
| Parceler | https://github.com/johncarl81/parceler |
| PermissionsDispatcher | https://github.com/hotchemi/PermissionsDispatcher |
| Shortbread | https://github.com/MatthiasRobbers/shortbread |
| ConstraintLayout | https://github.com/ConstraintLayout/constraintlayout.github.io |
| Lottie | https://github.com/airbnb/lottie-android |
| Timber | https://github.com/JakeWharton/timber |
| Hugo | https://github.com/JakeWharton/hugo |
| JobDispatcher | https://github.com/firebase/firebase-jobdispatcher-android |
| WilliamChart | https://github.com/diogobernardino/WilliamChart |
| One Library Per Month | Gradle Plugin | |
| Gradle Versions Plugin | https://github.com/ben-manes/gradle-versions-plugin |
| Dexcount Gradle Plugin | https://github.com/KeepSafe/dexcount-gradle-plugin |
| One Library Per Month | Static Analysis | |
| Lint | https://developer.android.com/studio/write/lint.html |
| Detekt | https://github.com/arturbosch/detekt |
| Checkstyle | https://github.com/checkstyle/checkstyle |
| PMD | https://pmd.github.io |
| Findbugs | http://findbugs.sourceforge.net |
| One Library Per Month | Testing | |
| Spek | https://github.com/JetBrains/spek |
| Espresso | https://developer.android.com/training/testing/espresso/index.html |
| JUnit | https://github.com/junit-team/junit4 |
| AssertJ | https://github.com/joel-costigliola/assertj-core |
| Mockito | https://github.com/mockito/mockito |
| Robolectric | https://github.com/robolectric/robolectric |
| Jacoco | https://github.com/jacoco/jacoco |
| Spoon | https://github.com/square/spoon |
| Composer | https://github.com/gojuno/composer |
| One Platform Per Quarter | All in One | |
| Firebase | https://firebase.google.com |
| Fabric | https://get.fabric.io |
| Realm | https://realm.io/products/realm-mobile-platform |
| One Platform Per Quarter | Crash Reporting | |
| HockeyApp | https://hockeyapp.net |
| Instabug | https://instabug.com |
| Bugsnag | https://www.bugsnag.com |
| One Platform Per Quarter | Tracking | |
| Mixpanel | https://mixpanel.com |
| Countly | https://count.ly |
| CleverTap | https://clevertap.com |
| One Language Per Year | | |
| Kotlin | https://kotlinlang.org |
| JavaScript | https://www.javascript.com |
| C# | https://msdn.microsoft.com/en-us/library/a72418yk.aspx |
| Swift | https://swift.org |
| Books | Robert Martin (Uncle Bob) | |
| Clean Architecture | Vimeo |
| Clean Code | Amazon |
| Clean Coder | Amazon |
| Books | Kent Beck | |
| Test-Driven Development by Example | Amazon |
| Implementation Patterns | Amazon |
| Books | Martin Fowler | |
| Refactoring: Improving the Design of Existing Code | Amazon |
| Patterns of Enterprise Application Architecture | Amazon |
| Books | Joshua Bloch | |
| Effective Java | Amazon |
| Java Puzzlers | Amazon |
| Books | Design Patterns | |
| Design Patterns: Elements of Reusable Object-Oriented Software | Amazon |
| Head First Design Patterns | Amazon |
| Books | Refactoring | |
| Working Effectively with Legacy Code | Amazon |
| The Mikado Method | Amazon |
| Books | Testing | |
| Test-Driven Development by Example | Amazon |
| xUnit Test Patterns: Refactoring Test Code | Amazon |
| Books | Other | |
| Coders at Work: Reflections on the Craft of Programming | Amazon |
| The Pragmatic Programmer: From Journeyman to Master | Amazon |
| Soft Skills: The software developer's life manual | Amazon |
| Books | Kotlin | |
| Kotlin in Action | Amazon |
| Kotlin for Android Developers | Antonio Leiva |
| Books | Android | |
| The Busy Coder's Guide to Android Development | CommonsWare |
| Android Programming: The Big Nerd Ranch Guide | Big Nerd Ranch |
| Books | RxJava | |
| Reactive Programming with RxJava | Amazon |
| Books | GitHub | |
| List of Free Learning Resources | https://github.com/EbookFoundation/free-programming-books |
| List of Free Software Testing Resources | https://github.com/ligurio/free-software-testing-books |
| Productivity | Android Studio | |
| Android Studio Plugins | https://github.com/balsikandar/Android-Studio-Plugins |
| Key Promoter | Android Studio Plugin |
| ADB Idea | Android Studio Plugin |
| ADB WiFi Connect | Android Studio Plugin |
| Ace Jump | Android Studio Plugin |
| Android Studio for Experts | https://medium.com/@shemag8/android-studio-for-experts-cheat-sheet-efe892703d97#.fqwwmsifm |
| Android Studio Like a Pro | https://stanfy.com/blog/use-android-studio-like-a-pro |
| GDE Philippe Breault discusses Tinkering with Android Studio (Part I) | http://fragmentedpodcast.com/episodes/055 |
| GDE Philippe Breault on tinkering with Android Studio (Part II) | http://fragmentedpodcast.com/episodes/056 |
| Android Studio Tips by Philippe Breault | https://github.com/pavlospt/Android-Studio-Tips-by-Philippe-Breault |
| Productivity | Techniques | |
| Hadi Hariri - Mouseless Driven Development | https://vimeo.com/98922030 |
| Pomodoro Technique | https://cirillocompany.de/pages/pomodoro-technique |
| Productivity | Tips | |
| Android Tips and Tricks | https://github.com/nisrulz/android-tips-tricks |
| Java Code Styles (by Square and Jake Wharton) | https://github.com/square/java-code-styles |
| {dev} tips | https://tips.seebrock3r.me |
| AndroidDev tips and tricks from 2016 | http://fragmentedpodcast.com/episodes/048 |
| Tips and tricks we picked from 2015 | http://fragmentedpodcast.com/episodes/28 |
| Talking TextView with Elliott Chenger - Performance | http://fragmentedpodcast.com/episodes/39 |
| How to become a better Android developer: 30+ bite-sized pro tips | https://techbeacon.com/how-become-better-android-developer-30-bite-sized-pro-tips |
| 30+ Kickass Tools to Develop Android Apps Like a Pro | https://blog.aritraroy.in/30-kickass-tools-to-develop-android-apps-like-a-pro-191e52b9419b |
| 30+ Bite-Sized Pro Tips to Become a Better Android Developer | https://blog.aritraroy.in/30-bite-sized-pro-tips-to-become-a-better-android-developer-b311fd641089 |
| Productivity | Getting Started | |
| Resources for Getting Started with Modern Android Development | https://riggaroo.co.za/resources-getting-started-android-development |
| Productivity | Interviews | |
| Android Interview Questions | https://github.com/MindorksOpenSource/android-interview-questions |
| The top Internet companies android interview questions and answers | https://github.com/JackyAndroid/AndroidInterview-Q-A |