3. Getting Started and build your first App

Kotlin series has been developed keeping in mind, you are already familiar at least at beginner’s level.

This is the Third milestone towards our Kotlin series. Go to the second milestone if you haven’t done so.

In this milestone, we will simply follow the coding challenges developed for the Android Developer Fundamentals Course, Unit 1 — Lesson1.

Beyond Hello world

Here mostly we are doing UI work, so there won’t be much of kotlin code available.

Coding challenges:

Make your first Interactive UI as shown below for the project HelloToast. You can follow the instructions as listed in the course-practicals book.

Challenge #1 : Follow instructions to convert it into relative-layout for HelloRelative project.

Challenge #2 : Follow instructions to convert it into constraint-layout for HelloConstraint project.

Challenge #3 : Follow instructions to make an scrollable content for ScrollingText project.

Sample UI used from google android-fundamentals repository

• The source code: Hello Toast
• The source code: Hello Relative
• The source code: Hello Constraint
• The source code: ScrollingText1
• The source code: ScrollingText2
• The source code: ScrollingText3

The fourth milestone in this series.

4. Starting Activities

4. Starting Activities in Kotlin

References:

1. Using Kotlin for Android development ~ Kotlin.org
2. Resources to Learn Kotlin ~ developer.android
3. Why switch to Kotlin? ~ Medium blog
4. Kotlin libraries list~ Kotlin.org
5. Video of Lectures ~ youtube.com
6. Kotlin Sample App ~ developer.android
7. Handful resources ~ google-developer.gitbooks