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
談談 Android constraint layout
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Johnny Sung
July 01, 2019
Programming
0
130
談談 Android constraint layout
談談 Android layout 系統與 ConstraintLayout
Johnny Sung
July 01, 2019
Tweet
Share
More Decks by Johnny Sung
See All by Johnny Sung
Event Driven Ansible (EDA) 使用情境分享 @ Red Hat Ansible User Club 線上交流會
j796160836
0
11
用 Gemma 3 開放模型來解決企業難解的問題 @ COSCUP 2025
j796160836
0
18
[GDG Build with AI] 善用現代 AI 科技:打造專屬行銷工具箱 @ GDG Changhua 彰化
j796160836
0
24
Kubernetes 地端自建 v.s. GKE,哪個更適合你? @Devfest Taipei 2024
j796160836
0
65
地端自建 Kubernetes (K8s) 小宇宙 (On-premises Kubernetes) @ CNTUG 2024/11 Meetup #63
j796160836
0
51
[AI LLM] Gemma 初體驗 @ GDG Cloud Taipei Meetup #70
j796160836
0
42
ArgoCD 的雷 碰過的人就知道 @TSMC IT Community Meetup #4
j796160836
0
150
使用 Kong 與 GitOps 來管理您企業的 API 呼叫 @ 2024 台灣雲端大會
j796160836
0
90
[AI / ML] 用 LLM (Large language model) 來整理您的知識庫 @ Devfest Taipei 2023
j796160836
0
260
Other Decks in Programming
See All in Programming
Python札幌 LT資料
t3tra
7
1.1k
Honoを使ったリモートMCPサーバでAIツールとの連携を加速させる!
tosuri13
1
170
AIによるイベントストーミング図からのコード生成 / AI-powered code generation from Event Storming diagrams
nrslib
2
1.7k
AIで開発はどれくらい加速したのか?AIエージェントによるコード生成を、現場の評価と研究開発の評価の両面からdeep diveしてみる
daisuketakeda
1
920
0→1 フロントエンド開発 Tips🚀 #レバテックMeetup
bengo4com
0
520
OSSとなったswift-buildで Xcodeのビルドを差し替えられるため 自分でXcodeを直せる時代になっている ダイアモンド問題編
yimajo
3
550
2年のAppleウォレットパス開発の振り返り
muno92
PRO
0
190
Findy AI+の開発、運用におけるMCP活用事例
starfish719
0
2.3k
re:Invent 2025 トレンドからみる製品開発への AI Agent 活用
yoskoh
0
700
[KNOTS 2026登壇資料]AIで拡張‧交差する プロダクト開発のプロセス および携わるメンバーの役割
hisatake
0
170
Data-Centric Kaggle
isax1015
2
710
Automatic Grammar Agreementと Markdown Extended Attributes について
kishikawakatsumi
0
170
Featured
See All Featured
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
69
A designer walks into a library…
pauljervisheath
210
24k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
baasie
0
210
Testing 201, or: Great Expectations
jmmastey
46
8k
It's Worth the Effort
3n
188
29k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.9k
Leading Effective Engineering Teams in the AI Era
addyosmani
9
1.5k
Mobile First: as difficult as doing things right
swwweet
225
10k
Making the Leap to Tech Lead
cromwellryan
135
9.7k
YesSQL, Process and Tooling at Scale
rocio
174
15k
Art, The Web, and Tiny UX
lynnandtonic
304
21k
Joys of Absence: A Defence of Solitary Play
codingconduct
1
280
Transcript
ႇႇ$POTUSBJOU-BZPVU Johnny Sung
+0)//:46/( Mobile Device developer https://fb.com/j796160836 https://blog.jks.coffee/ https://www.slideshare.net/j796160836 https://github.com/j796160836
-":065 • LinearLayout • FrameLayout • RelativeLayout • ConstraintLayout
-*/&"3-":065 線性布局 <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <View android:layout_width="match_parent" android:layout_height="wrap_content"/> <View
android:layout_width="match_parent" android:layout_height="wrap_content"/> <View android:layout_width="match_parent" android:layout_height="wrap_content"/> </LinearLayout>
<FrameLayout android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="150sp" android:text="T"/> <TextView android:layout_width="wrap_content"
android:layout_height="wrap_content" android:textSize="200sp" android:text="A"/> </FrameLayout> '3".&-":065 框架布局
3&-"5*7&-":065 相對布局 http://fiend1120.pixnet.net/blog/post/191809863 android:layout_above 將此元件置於"指定元件"(使⽤用元件id指定)上⽅方. android:layout_below 將此元件置於"指定元件"(使⽤用元件id指定)下⽅方. android:layout_toLeftOf 將此元件置於"指定元件"(使⽤用元件id指定)左⽅方. android:layout_toRightOf
將此元件置於"指定元件"(使⽤用元件id指定)右⽅方.
3&-"5*7&-":065 相對布局 http://fiend1120.pixnet.net/blog/post/191809863 android:layout_alignParentTop 將此元件對⿑齊於佈局畫⾯面上邊線 android:layout_alignParentRight 將此元件對⿑齊於佈局畫⾯面右邊線 android:layout_alignParentLeft 將此元件對⿑齊於佈局畫⾯面左邊線 android:layout_alignParentBottom
將此元件對⿑齊於佈局畫⾯面底線 android:layout_centerHorizontal 將該元件⽔水平居中於整個布局畫⾯面 android:layout_centerVertical 將該元件垂直居中於整個布局畫⾯面 android:layout_centerInParent 將該元件⽔水平及垂直均居中於整個布局畫⾯面
3&-"5*7&-":065 相對布局 <RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent"> <View android:id="@+id/view1" android:layout_width="match_parent" android:layout_height="wrap_content"/> <View
android:id="@+id/view2" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/view1"/> <View android:id="@+id/view3" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/view2"/> </RelativeLayout>
A ConstraintLayout is a ViewGroup which allows you to position
and size widgets in a flexible way.
*/45"--"5*0/ dependencies { // ... implementation 'com.android.support.constraint:constraint-layout:1.1.3' } Add constraint-layout
to gradle 安裝
-":0651"3".4 佈局參參數 • app:layout_constraintLeft_toLeftOf • app:layout_constraintStart_toStartOf • app:layout_constraintRight_toRightOf • app:layout_constraintEnd_toEndOf
• app:layout_constraintTop_toTopOf • app:layout_constraintBottom_toBottomOf • ...
• layout_constraintLeft_toLeftOf • layout_constraintLeft_toRightOf • layout_constraintRight_toLeftOf • layout_constraintRight_toRightOf • layout_constraintTop_toTopOf
• layout_constraintTop_toBottomOf • layout_constraintBottom_toTopOf -":0651"3".4 佈局參參數 • layout_constraintBottom_toBottomOf • layout_constraintBaseline_toBaselineOf • layout_constraintStart_toEndOf • layout_constraintStart_toStartOf • layout_constraintEnd_toStartOf • layout_constraintEnd_toEndOf
語法格式 (⾃自⼰己) 的 (⽅方位) 在 (⽬目標) 的 (⽅方位)
(⾃自⼰己) 的上⽅方在⽗父親的上⽅方 語法格式 app:layout_constraintTop_toTopOf="parent" 靠上
-":0651"3".4 佈局參參數 android:layout_alignParentLeft="true" android:layout_alignParentStart="true" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintEnd_toEndOf="parent" android:layout_alignParentRight="true" android:layout_alignParentEnd="true"
3&-"5*7&-":065 $0/453"*/5-":065
-":0651"3".4 佈局參參數 android:layout_alignParentTop="true" app:layout_constraintTop_toTopOf="parent" app:layout_constraintBottom_toBottomOf="parent" android:layout_alignParentBottom="true" 3&-"5*7&-":065 $0/453"*/5-":065
-":0651"3".4 佈局參參數 android:layout_centerVertical="true" android:layout_width="wrap_content" app:layout_constraintTop_toTopOf="parent" app:layout_constraintBottom_toBottomOf="parent" android:layout_height="wrap_content" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintRight_toRightOf="parent"
app:layout_constraintEnd_toEndOf="parent" android:layout_centerHorizontal="true" 3&-"5*7&-":065 $0/453"*/5-":065
-":0651"3".4 佈局參參數 android:layout_toLeftOf="@id/viewA" android:layout_toStartOf="@+id/viewA" app:layout_constraintRight_toLeftOf="@id/viewA" app:layout_constraintEnd_toStartOf="@id/viewA" app:layout_constraintLeft_toRightOf="@id/viewA" app:layout_constraintStart_toEndOf="@id/viewA" android:layout_toRightOf="@id/viewA" android:layout_toEndOf="@id/viewA"
3&-"5*7&-":065 $0/453"*/5-":065 A A (在...的左邊) (在...的右邊) (在...的左邊) (在...的右邊) A A
-":0651"3".4 佈局參參數 android:layout_below="@+id/viewA" app:layout_constraintTop_toBottomOf="@id/view" app:layout_constraintBottom_toTopOf="@id/viewA" android:layout_above="@id/viewA" 3&-"5*7&-":065 $0/453"*/5-":065 A A
A A (在...的下⽅方) (在...的上⽅方) (在...的下⽅方) (在...的上⽅方)
• android:layout_marginStart • android:layout_marginEnd • android:layout_marginLeft • android:layout_marginTop • android:layout_marginRight
• android:layout_marginBottom • layout_goneMarginStart • layout_goneMarginEnd • layout_goneMarginLeft • layout_goneMarginTop • layout_goneMarginRight • layout_goneMarginBottom ."3(*/4 間距參參數
• MATCH_PARENT ❌ • Specific dimension 指定數字(例例如: 25dp ) •
WRAP_CONTENT • 0dp (MATCH_CONSTRAINT)
$)*"/*/(
None
None
• layout_constraintHorizontal_bias • layout_constraintVertical_bias #*"4 偏移度
<android.support.constraint.Guideline android:id="@+id/guideline_hoz_center" android:layout_width="0dp" android:layout_height="0dp" android:orientation="vertical" app:layout_constraintGuide_percent="0.3" /> (6*%&-*/& 參參考線
%&.0
https://developer.android.com/reference/android/support/constraint/ConstraintLayout https://blog.csdn.net/guolin_blog/article/details/53122387 https://medium.com/verybuy-dev/android- %E8%A3%A1%E7%9A%84%E7%B4%84%E6%9D%9F%E6%80%96%E5%B1%80- constraintlayout-6225227945ab https://constraintlayout.com/ 3&'&3&/$&4 參參考資料 http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2017/1019/8618.html
26&45*0/4