Android Development과거와 현재와 미래

노현석 (pluulove)Android / Yanolja

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Agenda

1. Google I/O 2016 Android 주요 세션

2. Android Development

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Sessions

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65 34180

Android N

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What's new in Android

Multi-Window

Drag and Drop

Notifications

Display Size

Multi Locale

Doze

Java8 / Lambdas

Vulkan

VR

ConstraintLayout

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Android Layouts: a new world

Why not RelativeLayout?

ConstraintLayout is a

superset

More expressive, less nesting

Unbundled library

Extensible

...it comes with a great UI

builder!

Android Studio

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What's new in Android development tools

The experts' guide to Android development tools

Image

Image compression for Android developers

Android Performance

Patterns

How PNG Works

Smallker PNGs

PNG Optimizer

Vector Drawable

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Image

Image compression for Android developers

● Android Performance

Patterns

● How PNG Works

● Smallker PNGs

● PNG Optimizer

● Vector Drawable

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Support Library

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What's new in the support library

Fragments

Notifications

ColorStateLists

Custom Tabs

VectorDrawable &

AnimatedVectorDrawa

ble

Night Mode

Bottom sheets

Added:24.0

Support Library

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Dropping for APIs bleow 9

Material

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Android themes & styles demystified

Material improvements

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Google I/O 2016Extended Seoul

2016.06.19

Google I/O 2016 Extended Seoul

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http://www.slideshare.net/jyte/android-studio-22-whats-new-in-android-development-tools

Google I/O 2016 Extended Seoul

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http://www.slideshare.net/ssuser70b5b8/advanced-espresso-io16-extend-seoul

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What the Fragment?

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Why Fragments?복잡하지않나요?

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(╯°□°）╯︵ ┻━┻

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Why Fragments?일부 이야기

Activity

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Lifecycle 상태 복원

다른 앱 호출

Activity

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N개의 컴포넌트

TabHost

LocalActivityManager

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Honeycomb

더 큰

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큰 화면 큰 문제

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Fragments!Composable bits of Activities

분해

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분해

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커진 Activity 클래스

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분리 재사용

LocalActivityManager 문제 해결

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Not Activity Level

탐색 상태를 캡슐화

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Activity-local

back stackDialog 관리

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이론과 현실어떻게 해결했습니까?

일반적인 함정

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Fragment가 무엇인가?많은 부분에 대해서 설명하는 것은 무척

어렵다

일반적인 함정

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더 많은 lifecycle를 관리가능… 버그 해결 문제

일반적인 함정

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View 같은데요?<fragment> tag

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Effective Fragments

Fragment ≡ Activity

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Fragment는 구성가능한 Entry Points

Lifecycle과 주위의 입력들로부터 제어

UI presentation을 관리, 필요에의해 대응

모듈?

Fragment != fancy ViewGroups

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Fragment는

단순히 View를 사용해서 UI를 구현

Android abstraction

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android.app

android.widget

android.view

android.content

Higher level

Lower level

Depends on

(can import)

Android abstraction

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Higher level

Lower level

Depends onMyFragment

View.OnClickListener

Views vs. Fragments

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매커니즘 or 정책?

단독 위젯 or 앱 로직과의 연결?

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Development Pattern

Pattern

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Architecture MVC / MVP / MVVM

Reactive RxJava / RxAndroid / RxLifecycle

Data Bind Data Binding

View Bind ViewHolder / ButterKnife

Crash Fabric

Test Espresso / Mockito / JUnit4

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Apps aren’t getting smaller

Scaling development

참고

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● Fragment

● What the Fragment? - Google I/O 2016

● Develop > API Guides > App Components > Activities

● Why Do We Need Fragments? - Developing Android Apps

● How Fragments Work - Developing Android Apps

● Complete Android Fragment & Activity Lifecycle

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