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devfest-india2020-android

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DevFest India 2020 Mobile Track repo covering each day session.

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# Devfest India 2020 Mobile Track

![DevFestIndia 2020 Banner](https://raw.githubusercontent.com/devfestindia/devfest-india2020-android/master/assets/devfest_banner.jpeg)

This is the repo for the mobile track of Devfest India 2020. You can use this repo as your reference to check all the topics that got covered over 3 days.

## Sessions :microphone:
[![Day 1](https://img.youtube.com/vi/C8k9mdb9NE8/mqdefault.jpg)](https://youtu.be/C8k9mdb9NE8?t=4374) [![Day 2](https://img.youtube.com/vi/chtdrBvJpZ4/mqdefault.jpg)](https://youtu.be/chtdrBvJpZ4?t=3830) [![Day 3](https://img.youtube.com/vi/WrSvFgvEyKY/mqdefault.jpg)](https://youtu.be/WrSvFgvEyKY?t=5462)

## Targeted audience  :family: 
This repo is for those who wanted to kickstart android development or just started and looking for a reference app that will teach them a few advanced concepts.

## Goal  :dart:
The goal of the DevFest 2020 mobile track is to teach you Android development covering basics, intermediate, and advanced topics by creating a BookMyShow movie listing clone. The mobile track is divided into 3 levels
1. Beginner - Covering Android UI basics.
2. Intermediate - Covering [Retrofit](https://square.github.io/retrofit/) to make an API request to remote server and [RecyclerView](https://developer.android.com/guide/topics/ui/layout/recyclerview).
3. Expert - Covering MVVM architecture and [Room](https://developer.android.com/topic/libraries/architecture/room) Database for offline support.

In the end, you will get an app with a nice movie listing UI supporting offline access.

## How to use this repo to follow sessions? :technologist:

Repo has 3 branches beginner, intermediate, and expert. 
[Day 1](https://youtu.be/C8k9mdb9NE8?t=4374) starts with creating a fresh project and the beginner branch is a snapshot of that. The intermediate branch is a snapshot of the end of day 1. [Day 2](https://youtu.be/chtdrBvJpZ4?t=3830) starts from the intermediate branch and leads you to the expert branch. Finally, [day 3](https://youtu.be/WrSvFgvEyKY?t=5462) starts with the expert branch and leads you to the master branch.

So if you know the basics of android development and join us directly on day 2 checkout the intermediate branch and follow along. Similarly, if you are joining us directly on the day 3 checkout expert branch and follow along.

> Please note we are using [the movie DB API](https://developers.themoviedb.org/3) to get movies from the remote server.
To get movies from API you would need an API key. 
>
> Try this in your code: 
>    ```kotlin
>    companion object {
>        private const val API_KEY = "7bc0651fe0ea5973822df3bd27e779d9"
>    }
>    ```
> We would recommend to generate your own API key and use it if above key is not working. Please follow the below steps to configure your own API key. 
>
>1. Register yourself on https://www.themoviedb.org/signup 
>2. Fill all the required details to signup. 
>3. Open your email and verify the email to get started. (Activate your account)
>4. Do login with the username and the password(you provided during signup)
>5. On Top right corner -> Click on your profile icon -> Settings -> API  -> Request an Api Key -> Choose developer option(for demo/sample project ) -> Accept the terms -> Fill all the required details (You can give dummy value for application url as you won’t be having that, give good summary for application summary) -> Submit -> Copy API key and use.
>
>Also, note that this will be required for Day 2 where we hit API using retrofit

## Gist for each session :page_facing_up:
Each session requires you to copy-paste a few files. Please find the gist of all files required session wise below.

Day 01

- [build.gradle](https://gist.github.com/sagar-viradiya/ea05cdeb8471ca028dd361e53512189e) file
- [colors.xml](https://gist.github.com/sagar-viradiya/914d9e57980d2d6979c43a8653308e7b) file
- [activity_main.xml](https://gist.github.com/sagar-viradiya/64b6a8331b3f4d436ae499b9700ac1f4) file

Day 02

- [API key instructions](https://gist.github.com/sagar-viradiya/53020459385422686b025007a3cfc944)
- [Movie.kt](https://gist.github.com/sagar-viradiya/4b27d42dc2ee8c24f21cbd5ae20d4f03) file
- [NetworkHelper.kt](https://gist.github.com/sagar-viradiya/18ec984f6bea85337eab1770900c65aa) file
- [URLs.txt](https://gist.github.com/sagar-viradiya/9d14a83a4f2dc4767d987e1b8aabb85e) file

Day 03

- [MovieTypeConverter.kt](https://gist.github.com/sagar-viradiya/ce8f765f072e38ad92d84a4b34add0f4) file

## Screenshot

![Screenshot of app](https://raw.githubusercontent.com/devfestindia/devfest-india2020-android/master/assets/screenshot.png)

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