Android ConstraintLayout:方形视图,均匀分布,自动调整大小
如何使用ConstraintLayout获得5个均匀分布的正方形,大小根据屏幕宽度而变化Android ConstraintLayout:方形视图,均匀分布,自动调整大小,android,android-constraintlayout,Android,Android Constraintlayout,如何使用ConstraintLayout获得5个均匀分布的正方形,大小根据屏幕宽度而变化 将指南与前面的内容一起使用,类似于以下内容: <?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.and
将指南与前面的内容一起使用,类似于以下内容:
<?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:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/guideline"
app:layout_constraintGuide_begin="316dp"
android:orientation="horizontal" />
<Button
android:id="@+id/button2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@+id/guideline2"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintVertical_bias="0.502" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/guideline2"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.2" />
<Button
android:id="@+id/button3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="@+id/guideline2"
app:layout_constraintRight_toLeftOf="@+id/guideline3"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintVertical_bias="0.502" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/guideline3"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.4" />
<Button
android:id="@+id/button4"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="@+id/guideline3"
app:layout_constraintRight_toLeftOf="@+id/guideline4"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintVertical_bias="0.502" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/guideline4"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.6" />
<Button
android:id="@+id/button5"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="@+id/guideline4"
app:layout_constraintRight_toLeftOf="@+id/guideline5"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintVertical_bias="0.503" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="0dp"
android:id="@+id/guideline5"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.8" />
<Button
android:id="@+id/button6"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="@+id/guideline5"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
要添加指南,请右键单击ConstraintLayout/添加垂直/水平指南。。。
希望对你有帮助
干杯您需要创建一个连接到其父容器所有侧面的小部件链(您可以将此父容器的尺寸设置为您想要/需要的任何尺寸)。每个小部件都应具有
app:layout\u constraintDimensionRatio=“1:1”
约束,以确保方形图案。例如:
<?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:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/frame1"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@+id/frame2"
app:layout_constraintTop_toTopOf="parent"
/>
<FrameLayout
android:id="@+id/frame2"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@+id/frame1"
app:layout_constraintRight_toLeftOf="@+id/frame3"
app:layout_constraintTop_toTopOf="parent"
/>
<FrameLayout
android:id="@+id/frame3"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@+id/frame2"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
/>
</android.support.constraint.ConstraintLayout>
您只需要将约束添加到第一个视图的视图中。在顶部和底部
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.CardView
android:id="@+id/uno"
android:layout_width="0dp"
android:layout_height="0dp"
app:cardBackgroundColor="@color/colorPrimary"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@+id/dos"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:layout_margin="8dp"/>
<android.support.v7.widget.CardView
android:id="@+id/dos"
android:layout_width="0dp"
android:layout_height="0dp"
app:cardBackgroundColor="@color/colorPrimaryDark"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@+id/tres"
app:layout_constraintStart_toEndOf="@+id/uno"
app:layout_constraintTop_toTopOf="@id/uno"
app:layout_constraintBottom_toBottomOf="@id/uno"/>
<android.support.v7.widget.CardView
android:id="@+id/tres"
android:layout_width="0dp"
android:layout_height="0dp"
app:cardBackgroundColor="@color/colorAccent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/dos"
app:layout_constraintTop_toTopOf="@id/uno"
app:layout_constraintBottom_toBottomOf="@id/uno" />
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