walmart-challenge

TO RUN THE CODE

• Checkout the code in local
• Open the project with android studio
• Configure local sdk if needed
• Connect emulator or device
• Click run

Considerations

• The code uses MVVM to connect the data layer with the views, also a network layer with retrofit and a local storage with room, while the database is not yet connected it can be connected in the future, proving the concept of stage integrations.

• The architecture uses Databinding and a set of BASE elements that can be replicated easily for multiple features

• All the libraries and tools are used because they simplify a lot of manual work that is required for client / server applications

Libraries

Navigation library

• This library is used to navigate between fragments using one single activity as source in this project, but the library has more capabilities than that
• implementation "androidx.navigation:navigation-fragment-ktx:2.3.1"
• implementation "androidx.navigation:navigation-ui-ktx:2.3.1"

Google dagger library

• This library helps to develop faster big applications by injecting dependencies creating source code,
• implementation "com.google.dagger:dagger:2.27"
• kapt "com.google.dagger:dagger-compiler:2.16"

Glide image loading

• This library is used to put the https image into the view in the adapters and the movie detail
• implementation "com.github.bumptech.glide:glide:4.11.0"

custom adapter

• This library has a set of utilities to make adapters repetitive work more easy
• implementation 'com.github.CymChad:BaseRecyclerViewAdapterHelper:3.0.0'

Retrofit and gson and okhttp

• While retrofit helps to create data objects from services and API's, gson gives the flexibility to create multiple type converters for more complex objects
• Okhttp is the network layer client

Android Room

• Android room is a local database that is easily to integrate with retrofit to store information locally, while it was not fully used or required, I introduced it as a POC.