WallPaper App Building Week9

1. App really big

2. Images-> 1 Mb

1. Retrofit

       https://picsum.photos/v2/list/

Download -> Retrofit

2. Glide -> Download image

name {

n1: "Harry"

ImageURL: "http://link.com/img.jpg

}

3. RecyclerView -> show images

4. Caching -> offline

User Repository

Images Repository

ViewModel

View

retrofit.getData()

livedata.postData(imagesList)

State.setState = LOADING

State.setState = LOADED

state.data = imagesList

5 Layers of a Project

Steps

1. API ready

2. UI

3. Connect all 3 Seemlessly

1. Production -> Play Store / App Store

2. CI / CD -> Pushed your code to GitHub

Push -> Automatically -> 1 button ->

1. CD: Deploy -> Ship it to customer (play store)

2. CI: All the tests we write should be ready as well

return flow

flow.collect()

state.collect()