Androidアプリの使いやすさのための技術的な工夫と取り組み #mixleap

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February 28, 20

スライド概要

2020年1月30日(木)に、ヤフー大阪オフィスで「Mix Leap Study #57 - iOS & Android勉強会」を開催しました。

「PayPayフリマ」「Yahoo!天気」のAndroidアプリ、そして社内の研究開発から生まれたGPS不要の屋内ナビゲーション手法「SCAN」のiOSアプリを開発する3組のエンジニア・デザイナーが、その開発ノウハウを語りました。

イベントの詳細については、下記connpassページをご覧ください。
https://yahoo-osaka.connpass.com/event/159924/

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Yahoo!デベロッパーネットワーク

@ydnjp

スライド一覧

エンジニア・デザイナー向けのヤフー公式アカウント。イベント/登壇情報/ブログ記事など、ヤフーの技術・デザインに関わる情報を発信します。

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埋め込む »CMSなどでJSが使えない場合

各ページのテキスト
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Mix Leap Study #57 iOS & Android Android Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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OHMAE Ryosuke) • • Qiita: @ryo_mm2d • Github: https://github.com/ohmae/ • • • DroidKaigi 2020 • Android Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved. Yahoo!

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Android Yahoo! Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Let’s Install https://play.google.com/store/apps/details?id=jp.co.yahoo.android.weather.type1 Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Android Let’s Install https://play.google.com/store/apps/details?id=jp.co.yah oo.android.weather.type1 Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved. iOS https://apps.apple.com/jp/app/id521974902

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Android Yahoo! Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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•8 →17 • •1 48 • • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved. →72

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • X Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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View Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Android • onTouchEvent() • View :true • onInterceptTouchEvent() • ViewGroup • • dispatchTouchEvent() • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved. :true

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Android ViewGroup ViewGroup ① intercept View ② intercept Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved. touch dispatch dispatch dispatch ④ touch ⑤ touch ③ true

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Android • View • • ViewGroup • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • • Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • → Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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[beta]
private val touchSlop: Float = ViewConfiguration.get(context).scaledTouchSlop.toFloat()
override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
when (event.action) {
MotionEvent.ACTION_DOWN -> {
ViewPager
startX = event.x
Intercept
findParentViewPager(parent)
?.requestDisallowInterceptTouchEvent(true)
}
X
MotionEvent.ACTION_MOVE -> {
val dx = event.x - startX
if (abs(dx) >= touchSlop) {
parent.requestDisallowInterceptTouchEvent(true)
listener?.invoke(dx < 0)
return true
Intercept
}
}
}
return false
}

Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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• • • • Yahoo! Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.

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Yahoo! Copyright© 2020 Yahoo Japan Corporation. All Rights Reserved.