Fundito - Android

SOPT 25th AppJam

[ About ]

Fund your taste Fundito

[ Develop Environment ]

• Kotlin : 1.3.61
• Android Gradle Plugin : 3.5.3

[ Libraries ]

• Android Material : Material Design implementation Views by Google

• Kotlin Standard Library : Kotlin graceful helper features

• ConstraintLayout(MotionLayout) : MotionLayout for custom animating + Basic Layout

• AAC - ViewModel : for ViewModel

• AAC - LiveData : LiveData

• AAC - Room : Recent Search Keyword entities

• Gson : Json (De)Serialization

• OkHttp3 : Robust Http Connection

• Retrofit2 : RESTful API top of OkHttp3

• Glide : Image download, caching

• Timber : Handiful Logging

• Dagger2 : Dependency Injection

• Dexter : Permission grant helper

• Kotlin Coroutine : Asyncronized Behavior and Data retriving

• Coroutine Flow Binding : like RxBinding, Search keyword debounce stream

• AutofitTextView : TextView fit in llimit container automatically adjust text size

• Firebase Auth : Firebase Login

• Facebook Auth SDK : Facebook GraphAPI for get access token of Facebook

• Facebook Share SDK : Store Cheer share

• Firebase FCM : Server Notification

• CircleImageView : rounded ImageView

• JUnit4 : Local Unit Test or Instrumentation test based on JUnit

• Mockito : Mocking or Stubing test doubles

• Truth : Test Assertion

[ Package Structure ]

• application : Application Class

• common : Kotlin Extension, Data Binding Adapter funtions, Constants

• common/util : Utility/Helper class

• common/view : Custom View

• common/widget : Custom Class for utility

• data/database : Room

• data/model : Entity

• data/service : Network Client/Service using Retrofit

• di : Application Component, Custom Scopes for Dagger

• di/module : Dependency Modules

• presentation/** : package by feature (Activity, Fragment, Adapter etc...)

• test/** : Local Unit Test for extension functions

[ Project Architecture ]

MVVM using Dagger, AAC ViewModel, Data Binding

[ Feature ]

0. Splash (Lottie)

1. Virtual Card Charging (Custom SoftInput keyboard dialog)

2. Fund to favorite store (Custom money input View, animation)

3. Sign In (Facebook SDK)

4. Store Information (Custom Animation, CoordinatorLayout + MotionLayout)

5. Feed (Friend Fund list)

6. My Funding Status (current ongoing funding, status, Animation, BottomSheet, SystemUI Change)

7. Home

8. More

9. Notification (FCM, token register, Notification API)

10. Search (query with keyword using debounce operator)

11. Store Cheering(Share) (Facebook SDK for sharing link + Firebase DynamicLink + DeepLink using Intent)

12. Wifi Connection (WifiManager + ConnectivityManager)

[Custom View + Edge Feature]

FundingProgressView

• Calculate spacing between circles and draw circle in onDraw()
• Distinct color of each circle with current progress value.

FundingGraphView

• Clip View with drawPath in onDraw and draw stroke and background
• Fill background of graph with gradient color with clipping
• Animate value when progress is changed using startAnimation method

InvestmentDialView

• Draw small, middle size grid in HorizontalScrollView(Custom ListenableHorizontalScrollView)
• Draw center long line for indicate current value
• When view is scrolled, round the offset -> calculate current nearest value remained unit of 100₩
• Using Animator, start TextView color, transformation animation
• Snap nearest value remained unit of 100₩
• Call method of custom value change listener instance

Overlap BottomSheet + SystemUI + Scene

• Little bit Massive

Custom Keyboard Dialog

Using Wifi Connectivity for Server Request

[ Team ]

[문명주] ,[이성은], [이도경]