First Do No Harm - 360|AnDev
•
4 gostaram•527 visualizações
Developing Android applications is a powerful way to connect people with the information they need the most. Unlike doctors, we were not required to take an oath or pledge when becoming Android Developers. However, we can still learn much from the principles behind the phrase, “First, do no harm.” In this talk, we will discuss over a dozen tools that are at your disposal as a developer which can enable you to provide high quality applications to your users. We start out by covering items you can use to increase your Android know-how. Next we move on to five techniques for keeping bugs our of your applications. Finally, we cover the best tools available for tracking down issues when they do arise. Thus allowing you to first, do no harm!
Recomendados
Recomendados
Mais conteúdo relacionado
Semelhante a First Do No Harm - 360|AnDev
Semelhante a First Do No Harm - 360|AnDev (20)
Mais de Annyce Davis
Mais de Annyce Davis (16)
Último
Último (20)
First Do No Harm - 360|AnDev
- 1. @brwngrldev
- 2. What’s Involved: • Major in Math/Science • Take the MCAT • Go to Medical School • Take the USMLE Step 1 • Do Rotations • Take the USMLE Step 2 • Complete Internship • Do Residency • Take the USMLE Step 3 • Take the Board Exams • Do a Fellowship @brwngrldev
- 4. @brwngrldev
- 5. @brwngrldev
- 6. How can I become an Android Developer? @brwngrldev
- 7. How can I become a great Android Developer? @brwngrldev
- 8. @brwngrldev
- 9. @brwngrldev
- 12. Online Courses • At your own pace • All aspects of development • Different perspectives @brwngrldev
- 13. Online Courses - Udacity @brwngrldev
- 14. Online Courses - Caster.IO @brwngrldev
- 15. “…associate with eagles, you will learn how to soar…” - Ojo Michael E. @brwngrldev
- 16. Conferences • Hear from the Experts • Grow your Network • Learn new Techniques @brwngrldev
- 17. Conferences
- 18. Open Source • Countless Examples • Learn by Doing • Design Patterns in Action @brwngrldev
- 21. Study • Newsletters • Podcasts • Online Courses • Conferences • Open Source @brwngrldev
- 22. @brwngrldev
- 23. @brwngrldev
- 24. Prevention • Static Code Analysis • Code Reviews • Leak Canary • Testing @brwngrldev
- 26. Static Code Analysis 0 40 80 120 160 Checkstyle FindBugs PMD Error Prone Lint @brwngrldev
- 27. Static Code Analysis - FindBugs @brwngrldev
- 28. Static Code Analysis - FindBugs @brwngrldev
- 32. Code Reviews Here’s my awesome code! ! Cool, looks like line 54 could cause an NPE though. @brwngrldev
- 33. Code Reviews Here’s my awesome code! Oh yeah, you’re right. Will fix! ! Cool, looks like line 54 could cause an NPE though. @brwngrldev
- 34. Code Reviews Here’s my awesome code! Oh yeah, you’re right. Will fix! Thanks for not `let`ting me forget that! 😂 ! Cool, looks like line 54 could cause an NPE though. Instead of an `if` here, a `let` would be better. @brwngrldev
- 36. Leak Canary debugCompile “…:leakcanary-android:$leak” releaseCompile “…:leakcanary-android-no-op:$leak” testCompile “…:leakcanary-android-no-op:$leak” @brwngrldev
- 37. Leak Canary private BooksAdapter booksAdapter; @Bind(R.id.recyclerView) RecyclerView recyclerView; private static Toolbar toolbar; private BooksPresenter booksPresenter; @brwngrldev
- 42. MVP + Dagger @brwngrldev EVENT BUS/RXJAVA DATABASE REPOSITORY REPOSITORY ACTIVITY FRAGMENT PRESENTER PRESENTER SERVICE
- 43. API Testing
- 44. API Testing - Postman @brwngrldev
- 45. API Testing - Postman 1.Send Requests 2.Receive Response 3.Run Test Scripts @brwngrldev
- 47. API Response [ { "userId": 1, "id": 1, "title": "sunt aut facere repellat", "body": "quia et suscipitnsuscipit recusandae" }, { "userId": 1, "id": 2, "title": "qui est esse", "body": "est rerum tempore vitaensequi sint" } ] https://jsonplaceholder.typicode.com @brwngrldev
- 48. Test - Status Code tests["Status code is 200"] = responseCode.code === 200; @brwngrldev
- 49. Test - Schema var schema = { "type": [“array”, “null”] }; var jsonData = JSON.parse(responseBody); tests["Valid Schema"] = tv4.validate(jsonData, schema); @brwngrldev
- 51. Test - Schema @brwngrldev { "userId": 1, "id": 1, "title": "sunt aut facere repellat provident", "body": "quia et suscipitnsuscipit recusandae" }
- 52. Test - Schema var postSchema = { "type" : "object", "properties" : { "userId": { "type" : "integer" }, "id": { "type" : "integer" }, "title": { "type" : "string" }, "body" : { "type" : "string" } } }; @brwngrldev
- 55. Prevention • Static Code Analysis • Code Reviews • Leak Canary • Testing @brwngrldev
- 56. @brwngrldev
- 57. 74 year old stomach pain 34 year old stomach pain @brwngrldev
- 58. @brwngrldev
- 59. @brwngrldev
- 60. @brwngrldev
- 63. CODE @brwngrldev
- 64. @Override public void onFailure(Call<Book> call, Throwable t) { bus.post(new BookLoadingErrorEvent(id)); Timber.e(t, "Unable to load the book data from API."); } Write Logs @brwngrldev
- 66. @brwngrldev
- 67. Log Events public void trackEvent(String event) { analytics.track(event); if (Fabric.isInitialized()) { Crashlytics.log(event); } } @brwngrldev
- 77. @brwngrldev
- 86. @brwngrldev
- 89. Android Options: GPU Overdraw blue -> green -> light red -> dark red (1x) (4x or more) @brwngrldev
- 90. Android Options: GPU Overdraw @brwngrldev blue -> green -> light red -> dark red (1x) (4x or more)
- 91. Android Options: Profile GPU Rendering 16 milliseconds @brwngrldev
- 92. Android Options: Profile GPU Rendering https://developer.android.com/studio/profile/dev-options-rendering.html@brwngrldev
- 93. @brwngrldev
- 94. @brwngrldev
- 95. Resources • http://www.kotlinweekly.net - Kotlin Weekly • http://androidweekly.net - Android Weekly • https://www.androiddevdigest.com - Android Dev Digest • http://www.adavis.info/2015/07/android-devs-listen-up.html - Podcasts • https://www.udacity.com - Udacity • https://caster.io - Caster.IO • http://androidstudygroup.github.io/conferences - Android Conferences
- 96. Resources • http://findbugs.sourceforge.net - FindBugs • https://github.com/square/leakcanary - Leak Canary • https://www.getpostman.com - Postman • https://github.com/JakeWharton/timber - Timber • https://github.com/JakeWharton/pidcat - Pidcat • https://fabric.io/kits/android/crashlytics - Crashlytics • https://www.lynda.com/trial/AnnyceDavis - Lynda.com
- 97. Resources • https://github.com/google/android-classyshark - ClassyShark • https://github.com/google/battery-historian - Battery Historian • https://developer.android.com/studio/profile/systrace.html - Systrace • https://developer.android.com/studio/build/apk-analyzer.html - APK Analyzer • http://www.adavis.info/2015/03/android-overdraw-what-is-it-and-why.html - Overdraw • https://developer.android.com/studio/profile/dev-options-rendering.html - GPU Rendering