Это возможно с макетом ограничения - PullRequest
Новая
       11

Это возможно с макетом ограничения

0 голосов
/ 11 января 2019

У меня есть четыре вида изображения в макете ограничения, требуется, чтобы оно отображалось динамически при взаимодействии с пользователем

Первый раз

enter image description here

Второй раз: пользователь нажимает на кнопку добавления.

enter image description here

В третий раз:

enter image description here

Четвертый раз:

enter image description here

когда он нажимал «Удалить вид», он возвращался к третьему, второму и первому.

Я пытался 

Constraint Layout
   |
   |---Parent 4
   |  |--Child View 1
   |  |--Child View 2
   |  |--Child View 3
   |  |--Child View 4
   |--Parent 3
   |  |--Child View 1
   |  |--Child View 2
   |  |--Child View 3
   |--Parent 2
   |  |--Child View 1
   |  |--Child View 2
   |--Parent 1
   |  |--Child View 1
   |

XML-файл 

<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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/em_base_color"
    tools:ignore="MergeRootFrame">


    <android.support.constraint.ConstraintLayout
        android:id="@+id/four_image_parent"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.constraint.Guideline
            android:id="@+id/image_seperation_v_four"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.5" />

        <android.support.constraint.Guideline
            android:id="@+id/image_seperation_h_four"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.5" />

        <ImageView
            android:id="@+id/preview_four"
            android:layout_width="90dp"
            android:layout_height="160dp"
            android:layout_gravity="center"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.022" />

        <ImageView
            android:id="@+id/image_right_bottom_four"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="@+id/image_seperation_v_four"
            app:layout_constraintTop_toTopOf="@+id/image_seperation_h_four" />

        <ImageView
            android:id="@+id/image_left_bottom_four"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/image_seperation_v_four"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@+id/image_seperation_h_four" />

        <ImageView
            android:id="@+id/image_center_four"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            app:layout_constraintBottom_toTopOf="@+id/image_seperation_h_four"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:id="@+id/three_image_parent"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.constraint.Guideline
            android:id="@+id/image_seperation_three"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.5" />

        <ImageView
            android:id="@+id/preview_three"
            android:layout_width="90dp"
            android:layout_height="160dp"
            android:layout_gravity="center"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.022" />

        <ImageView
            android:id="@+id/image_bottom_three"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@+id/image_seperation_three" />

        <ImageView
            android:id="@+id/image_top_three"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            android:layout_marginStart="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toTopOf="@+id/image_seperation_three"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:id="@+id/one_image_parent"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:id="@+id/image_center_one"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.409"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:id="@+id/two_image_parent"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:id="@+id/preview_two"
            android:layout_width="90dp"
            android:layout_height="160dp"
            android:layout_gravity="center"
            android:layout_marginStart="8dp"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="1.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.022" />

        <ImageView
            android:id="@+id/image_center_two"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_gravity="center"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.409"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.Group
        android:id="@+id/two_image_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="two_image_parent" />

    <android.support.constraint.Group
        android:id="@+id/one_image_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="one_image_parent" />

    <FrameLayout
        android:id="@+id/call_fragment_container"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:elevation="18dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0" />

    <android.support.constraint.Group
        android:id="@+id/three_image_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="three_image_parent" />

    <android.support.constraint.Group
        android:id="@+id/four_image_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="four_image_parent" />

</android.support.constraint.ConstraintLayout>

Когда пользователь нажимает на кнопку «Добавить представление», показывает следующий вид и пытается установить изображения на новый вид, иногда происходит сбой. С здесь Я читаю «No nested view group», поэтому я разместил здесь.

Любые предложения приветствуются

...