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Android/XML

<Flow>

혀가 길지 않은 개발자 2020. 8. 24. 10:37

<androidx.constraintlayout.helper.widget.Flow>

build.gradle (Module: app)

dependencies {
    // <androidx.constraintlayout.helper.widget.Flow>
    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-rc1'
}

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="0dp"
            android:layout_height="100dp"
            android:orientation="horizontal"
            app:constraint_referenced_ids="btnOne, btnTwo, btnThree"
            app:flow_verticalAlign="center"
            app:flow_horizontalGap="30dp"
            app:flow_horizontalStyle="packed"
            app:flow_horizontalBias="0.2"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="One"
            app:layout_constraintRight_toLeftOf="@+id/btnTwo"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Two"
            app:layout_constraintLeft_toRightOf="@+id/btnOne"
            app:layout_constraintRight_toLeftOf="@+id/btnThree"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Three"
            app:layout_constraintLeft_toRightOf="@+id/btnTwo"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintRight_toRightOf="parent"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

app:constraint_referenced_ids="btnOne, btnTwo, btnThree"

app:flow_verticalAlign="center"

app:flow_horizontalGap="30dp"

app:flow_horizontalStyle="packed"

app:flow_horizontalBias="0.2"

 

activity_main.xml

 

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            app:constraint_referenced_ids=" btnOne, btnTwo, btnThree"
            app:flow_horizontalAlign="start"
            app:flow_verticalGap="30dp"
            app:flow_verticalBias="0.1"
            app:flow_verticalStyle="packed"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="One"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Two"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Three"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

android:orientation="vertical"

app:constraint_referenced_ids="btnOne, btnTwo, btnThree"

app:flow_horizontalAlign="start"  // 이건 왜 적용이 안되냐

app:flow_verticalGap="30dp"

app:flow_verticalBias="0.1"

app:flow_verticalStyle="packed"

 

activity_main.xml

 

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            app:constraint_referenced_ids=" btnOne, btnTwo, btnThree, btnfour, btnFive"
            app:flow_verticalStyle="packed"
            app:flow_wrapMode="chain"
            app:flow_maxElementsWrap="2"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="One"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Two"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Three"/>

        <Button
            android:id="@+id/btnfour"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Four"/>

        <Button
            android:id="@+id/btnFive"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Five"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

app:flow_wrapMode="chain"

app:flow_maxElementsWrap="2"

activity_main.xml

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            app:constraint_referenced_ids=" btnOne, btnTwo, btnThree, btnfour, btnFive"
            app:flow_verticalStyle="packed"
            app:flow_wrapMode="chain"
            app:flow_maxElementsWrap="3"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="One"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Two"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Three"/>

        <Button
            android:id="@+id/btnfour"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Four"/>

        <Button
            android:id="@+id/btnFive"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Five"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

activity_main.xml

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            app:constraint_referenced_ids=" btnOne, btnTwo, btnThree, btnfour, btnFive"
            app:flow_verticalStyle="spread"
            app:flow_wrapMode="chain"
            app:flow_maxElementsWrap="3"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="One"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Two"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Three"/>

        <Button
            android:id="@+id/btnfour"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Four"/>

        <Button
            android:id="@+id/btnFive"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Five"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

app:flow_verticalStyle="spread"

activity_main.xml

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="MissingConstraints">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="300dp"
        android:layout_height="match_parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent">

        <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            app:constraint_referenced_ids=" btnOne, btnTwo, btnThree, btnfour, btnFive"
            app:flow_verticalStyle="spread_inside"
            app:flow_wrapMode="chain"
            app:flow_maxElementsWrap="3"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btnOne"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="One"/>

        <Button
            android:id="@+id/btnTwo"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Two"/>

        <Button
            android:id="@+id/btnThree"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Three"/>

        <Button
            android:id="@+id/btnfour"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Four"/>

        <Button
            android:id="@+id/btnFive"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="false"
            android:text="Five"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

app:flow_verticalStyle="spread_inside"

 

activity_main.xml

 

 

 

 

 

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