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![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](https://image.slidesharecdn.com/firstdonoharmwidescreenpdf-170409163507/85/First-Do-No-Harm-Droidcon-Boston-54-320.jpg)
![Test - Status Code
tests["Status code is 200"] =
responseCode.code === 200;
@brwngrldev](https://image.slidesharecdn.com/firstdonoharmwidescreenpdf-170409163507/85/First-Do-No-Harm-Droidcon-Boston-55-320.jpg)
![Test - Schema
var schema = {
"type": [“array”, “null”]
};
var jsonData = JSON.parse(responseBody);
tests["Valid Schema"] =
tv4.validate(jsonData, schema);
@brwngrldev](https://image.slidesharecdn.com/firstdonoharmwidescreenpdf-170409163507/85/First-Do-No-Harm-Droidcon-Boston-56-320.jpg)
Uploaded byAnnyce Davis
First Do No Harm - Droidcon Boston
The document outlines the process of becoming a medical professional, including steps such as majoring in a math/science field, taking the MCAT, attending medical school, and completing residency. It also provides resources and steps for becoming an Android developer, emphasizing the importance of online courses, conferences, and practical experience. Prevention measures for code quality, such as static code analysis and automated testing, are discussed alongside tools and resources for effective Android development.
![Android Cookbook 2nd [early release] Edition Ian F. Darwin](https://cdn.slidesharecdn.com/ss_thumbnails/28304-250515041521-e25534f6-thumbnail.jpg?width=640&height=640&fit=bounds)
First Do No Harm - Droidcon Boston
- 2. 7 to 9years @brwngrldev
- 3. What’s Involved: • Majorin Math/Science • Take the MCAT • Go to Medical School • Take the USMLE Step 1 • Do Rotations • Take the USMLE Step 2 @brwngrldev
- 4. What’s Involved: • Majorin 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
- 10. How can Ibecome an Android Developer? @brwngrldev
- 11. How can Ibecome a great Android Developer? @brwngrldev
- 15.
- 16.
- 17. Online Courses • Atyour own pace • All aspects of development • Different perspectives
- 18. Online Courses -Udacity
- 19. Online Courses -Caster.IO
- 20. “If you associate witheagles, you will learn how to soar…” - Ojo Michael E.
- 21. Conferences • Hear fromthe Experts • Grow your Network • Learn new Techniques
- 22.
- 23. Open Source • CountlessExamples • Learn by Doing • Design Patterns in Action
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- 27. Study • Newsletters • Podcasts •Online Courses • Conferences • Open Source @brwngrldev
- 30. Prevention • Static CodeAnalysis • Code Reviews • Leak Canary • Automated Testing • API Testing @brwngrldev
- 31.
- 32. Static Code Analysis 0 40 80 120 160 CheckstyleFindBugs PMD Error Prone Lint @brwngrldev
- 33. Static Code Analysis- FindBugs
- 34. Static Code Analysis- FindBugs
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- 36.
- 37.
- 38. Code Reviews • CatchIssues • Gain Exposure to New Ideas • Promotes Consistent Design • Ensures Maintainability
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- 40. Leak Canary debugCompile “…:leakcanary-android:$leak” releaseCompile“…:leakcanary-android-no-op:$leak” testCompile “…:leakcanary-android-no-op:$leak” @brwngrldev
- 41. Leak Canary private BooksAdapterbooksAdapter; @Bind(R.id.recyclerView) RecyclerView recyclerView; private static Toolbar toolbar; private BooksPresenter booksPresenter; @brwngrldev
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- 51. API Testing -Postman
- 52. API Testing -Postman 1.Send Requests 2.Receive Response 3.Run Test Scripts
- 53.
- 54. 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
- 55. Test - StatusCode tests["Status code is 200"] = responseCode.code === 200; @brwngrldev
- 56. Test - Schema varschema = { "type": [“array”, “null”] }; var jsonData = JSON.parse(responseBody); tests["Valid Schema"] = tv4.validate(jsonData, schema); @brwngrldev
- 57.
- 58. Test - Schema @brwngrldev { "userId":1, "id": 1, "title": "sunt aut facere repellat provident", "body": "quia et suscipitnsuscipit recusandae" }
- 59. Test - Schema varpostSchema = { "type" : "object", "properties" : { "userId": { "type" : "integer" }, "id": { "type" : "integer" }, "title": { "type" : "string" }, "body" : { "type" : "string" } } }; @brwngrldev
- 60.
- 61.
- 62. Prevention • Static CodeAnalysis • Code Reviews • Leak Canary • Automated Testing • API Testing @brwngrldev
- 64. 74 year old stomachpain 34 year old stomach pain @brwngrldev
- 65.
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- 69.
- 70.
- 71. @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
- 72.
- 74. Log Events public voidtrackEvent(String event) { analytics.track(event); if (Fabric.isInitialized()) { Crashlytics.log(event); } }
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- 87. mitmproxy brew install python3 pip3install mitmproxy mitmproxy --host @brwngrldev
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- 101. Android Options: GPU Overdraw blue-> green -> light red -> dark red (1x) (4x or more)
- 102.
- 103. Android Options: Profile GPURendering 16 milliseconds @brwngrldev
- 104. Android Options: Profile GPURendering https://developer.android.com/studio/profile/dev-options-rendering.html
- 105.
- 108. 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
- 109. 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
- 110. Resources • https://github.com/google/android-classyshark -ClassyShark • https://github.com/google/battery-historian - Battery Historian • http://docs.mitmproxy.org/en/latest/mitmproxy.html -mitmproxy • 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