AmazingTalker Assessment

Abstract

To get started learning Kotlin. Only developed Android with Kotlin within one week.

Get back the coding and programming power by the assessment since the recent two years I am doing too many management tasks.

It is time to retrain myself and understand the modern language now.

Make the sword sharp again !!!

Development Environment

• Android Studio (Bumble Bee 2021/01/01 Patch 3)
• MacOS Monterey (12.3.1)

Timeline

• 2022/05/07
  • Support localization
    • Localize your app
    • Locale.LanguageRange
      • AOSP example
  • Study the Volley codes: A network performing Volley requests over an HttpStack.
    • com.android.volley.toolbox.BasicNetwork
  • Testing related resource
    • Testing-samples
  • Demo Video
• 2022/05/06
  • Date and Time on the Internet: Timestamps
    • Date Parsing: SimpleDateFormat(“Z”) in Java
    • The difference between Date() and LocalDate()
    • Practice Collections
      • filter
      • sortedWith and compareBy
    • Lambda expressions and anonymous functions are function literals
    • View Binding
    • Material Button
• 2022/05/05
  • To download the https://github.com/android/views-widgets-samples.git and get some inspiration from it
  • To study the difference between ViewPager and ViewPager2 since last time I use the ViewPager is before 2019 year, it is time to upgrade my layout weapon.
    • 學不動也要學！深入瞭解ViewPager2
    • Create swipe views with tabs using ViewPager2
    • Layout Inspector
      • turning-off-live-updates-by-default-in-layout-inspector
  • To learn the Network APIs by this Volley
  • To send e-mail tell AmazingTalker the APIs sample is wrong in the assignment, verify it by Chrome's debug mode to find out the request API url is different from the assignment.
  • Apply Gson to project
• 2022/05/04 at 15:20, receive the exam and should finish it by Kotlin, but I do not develop Kotlin over 3 days yet.
  • 2022/05/04 create the project and give simple layout
  • I should complete the assessment in three days, aka 72 hours, The deadline is on 2022/05/07 at 15:20

Requirements

✅ Review the calendar of tutor

• Please show it by week unit
• You can not look the past information.

✅ To show the local time zone after you switching the system setting

• The calendar will show the available and booked time according to the time zone

✅ To show available and booked times

• To get the time data from backend API, and split the time to small pieice by unit of one half hour
• To show grey color in booked time
• To show green color in available time

✅ Backend API of time data

• URL with two parameters, "tutor name"(julia-shin) and "start time"(2022-05-07T08:51:32Z).
  • i.e. https://en.amazingtalker.com/v1/guest/teachers/julia-shin/schedule?started_at=2022-05-07T08:51:32Z

✅ To support localization, English and tranditional Chinese

✅ Better have

• Unit & UI testing codes

TODO

• Record demo video and create release branch and set git tag
• ViewModel pattern
• Error Handling
• Better layout for tutor list

Reference

• https://github.com/android
• https://github.com/googlesamples