Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
How to start Android app development
Search
Daichi Furiya (Wasabeef)
January 17, 2018
Programming
1
860
How to start Android app development
How to start Android app development
Daichi Furiya (Wasabeef)
January 17, 2018
Tweet
Share
More Decks by Daichi Furiya (Wasabeef)
See All by Daichi Furiya (Wasabeef)
DevFest Tokyo 2025 - Flutter のアプリアーキテクチャ現在地点
wasabeef
5
1.9k
About Flutter Architecture
wasabeef
1
240
2023 Flutter/Dart Summary
wasabeef
0
73
I/O Extended 2023 - Dart と Flutter の新機能
wasabeef
0
180
I/O Extended 2023 - Flutter 活用事例
wasabeef
10
3k
What it Takes to be a Flutter Developer
wasabeef
0
200
FlutterKaigi 2022 Keynote
wasabeef
1
600
Flutter Hooks を使ったアプリ開発 / App Development with the Flutter Hooks
wasabeef
2
1.4k
Flutter 2021 の振り返りと今後のアプリ開発に向けて / Looking back on Flutter 2021 and for future app development.
wasabeef
4
2.2k
Other Decks in Programming
See All in Programming
PostgreSQLのRow Level SecurityをPHPのORMで扱う Eloquent vs Doctrine #phpcon #track2
77web
2
420
C++20 射影変換
faithandbrave
0
560
Team topologies and the microservice architecture: a synergistic relationship
cer
PRO
0
1.2k
git worktree × Claude Code × MCP ~生成AI時代の並列開発フロー~
hisuzuya
1
520
PHPで始める振る舞い駆動開発(Behaviour-Driven Development)
ohmori_yusuke
2
240
Systèmes distribués, pour le meilleur et pour le pire - BreizhCamp 2025 - Conférence
slecache
0
120
Azure AI Foundryではじめてのマルチエージェントワークフロー
seosoft
0
150
エラーって何種類あるの?
kajitack
5
330
PHP 8.4の新機能「プロパティフック」から学ぶオブジェクト指向設計とリスコフの置換原則
kentaroutakeda
2
700
Team operations that are not burdened by SRE
kazatohiei
1
290
Kotlin エンジニアへ送る:Swift 案件に参加させられる日に備えて~似てるけど色々違う Swift の仕様 / from Kotlin to Swift
lovee
1
260
Create a website using Spatial Web
akkeylab
0
310
Featured
See All Featured
Typedesign – Prime Four
hannesfritz
42
2.7k
Navigating Team Friction
lara
187
15k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
8
680
The Art of Programming - Codeland 2020
erikaheidi
54
13k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
A Modern Web Designer's Workflow
chriscoyier
694
190k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Practical Orchestrator
shlominoach
188
11k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.5k
KATA
mclloyd
30
14k
Transcript
How to start Android app development wasabeef GDG Tokyo New
Year 2018
About me Daichi Furiya Google Developer Expert CyberAgent, Inc. @wasabeef_jp
wasabeef
Android OS
8.1 Oreo (2017/12) Unix like (C/C++, Java) smartphones, tablets,
TV, wear, auto Android OS
None
Lessons
Building Your First App Different Devices Lifecycles System Permissions Lessons
Building Your First App Different Devices Lifecycles System Permissions Lessons
Building Your First App Different Devices Lifecycles System Permissions Lessons
Building Your First App Different Devices Lifecycles System Permissions Lessons
Building Your First App Different Devices Lifecycles System Permissions Lessons
Building Your First App
Android Studio d.android.com/studio
Demo!
None
Kotlin
Concise Safe Interoperable Tool-Friendly Kotlin Kotlin Koans Online https://try.kotlinlang.org
Diffrent Devices
Diffrent Devices
Versions (2018/01) Version Release Date Codename API Distribution 2.3.3 -
2.3.7 2010/12 Gingerbread 10 0.4% 4.0.3 - 4.0.4 2011/10 Ice Cream 15 0.5% 4.1.x 2012/07 Jelly Bean 16 1.9% 4.2.x 2012/11 17 2.9% 4.3 2013/7 18 0.8% 4.4 2013/10 KitKat 19 12.8% 5.0 2014/11 Lollipop 21 5.7% 5.1 2015/03 22 19.4% 6.0 2015/10 Marshmallow 23 28.6% 7.0 2016/08 Nougat 24 21.1% 7.1 2016/12 25 5.2% 8.0 2016/08 Oreo 26 0.5% 8.1 2017/12 27 0.2%
Support Library
Backward Compatibility for newer APIs Convenience and Helper Classes Debugging,
Testing and Utilities Support Library
Support Library // build.gradle (app) dependencies { implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:1.1.51" implementation
"com.android.support:appcompat-v7:27.0.2" implementation "com.android.support:design:27.0.2" }
Support Library <android.support.design.widget.FloatingActionButton android:id="@+id/fab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="end|bottom" android:src="@drawable/ic_my_icon" android:layout_margin="16dp" />
Lifecycles
Lifecycles
Lifecycles override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) } override
fun onResume() { super.onResume() } override fun onPause() { super.onPause() } override fun onDestroy() { super.onDestroy() }
System Permissions
System Permissions <!— AndroidManifest.xml —> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="jp.wasabeef.demo" > <uses-permission
android:name="android.permission.INTERNET" /> ... </manifest>
Internet Camera Storage Location Vibrate System Permissions Calendar Contacts Phone
Wake Lock Alarm
Runtime Permissions at Run time ~ Lollipop (5.x) Marshmallow (6.x)
~
Etc..
View Animation Intent Kotlin Support Library RxJava, RxKotlin Android Architecture
Components Etc.. Testing Media (ExoPlayer) FireBase DI (Dagger..)
Thank you. twitter.com/wasabeef_jp wasabeef.jp github.com/wasabeef