1.
Android Developer
Journey to be ..
Rizal Hilman (@rz.khilman)

2.
• Trainer Android di IMA Studio
• Mobile Developer
• Web Developer
Job Skill
MAULANA RIZAL HILMAN
• Java, Kotlin, PHP, HTML, CSS,
JavaScript, MySQL, MariaDB
• Laravel, Code Igniter
• JQuery, Vue.JS
github.com/drawrs fb.me/rizal.ofdrawwww.khilman.com
Email : rizal.drawrs@gmail.com
Telp/WA/Telegram : 083824708398
Instagram : @rz.khilman

3.
Android ?

4.
Android is..
▪ An Operating system
▪ Open source
▪ Based on Linux kernel
▪ Android, Inc : Andy Rubin, Rich M ilner, Nick Sears and Chris
White in 2013
▪ Google buy Android in 2015

5.
Android Everywhere

6.
Android Version
Android Oreo 8.0

7.
Why Android ?

8.
Android powers hundreds of millions of mobile devices in
more than 190 countries around the world
Every day, more than 1 million new Android devices are activated worldwide.
There are more than 1.5 billion downloads/month in Google Play and growing.

9.
Indonesia today.
Ranked
8 th
In the world as the country with most active internet user
100 M
Smartphone users

10.
2 Bilion

11.
Big market.
Big player?

12.
indonesiandroidkejar.id

13.
How to Start ?

14.
What we Should
have?

15.
#1 Programming Language

16.
● Kotlin
● Java
● JavaScript
● C#
● C++
● Phyton
● etc that can running on JVM

17.
Java vs Kotlin

18.
#2 Tools

19.
#3 Purposes & Solutions

20.
#4 Time

21.
Where we Can
learn?

22.
https://www.twoh.co
http://blog.khilman.com

23.
Training center
● IMA Studio
● GIT’s Indonesia
● Dicoding
● Refactory
● Rumah Coding
● Code politan

24.
Hello World
Example

25.
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="id.co.imastudio.libawaydevsummitpenjual.HelloActivity">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:text="Hello world !"/>
</android.support.constraint.ConstraintLayout>
XML Syntax

26.
public class HelloActivity extends
AppCompatActivity {
@Override
protected void onCreate(Bundle
savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_hello);
}
}
class HelloActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState:
Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_hello)
}
}
Java Kotlin

27.
Thank youRizal Hilman - @rz.khilman