CardView和ListView的页面滚动问题

时间：2018-08-13 20:20:04

标签： android listview android-cardview android-scrollview

我的XML布局如下：

<?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:card_view="http://schemas.android.com/tools"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/accounts_details_page_background_color">

<android.support.v7.widget.CardView
    android:id="@+id/overview_cardview"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="8dp"
    android:background="@color/white"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintVertical_bias="0.0"
    card_view:cardElevation="2dp"
    card_view:ignore="PrivateResource">

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp"
        android:layout_marginLeft="16dp"
        android:layout_marginStart="16dp">

        <TextView
            android:id="@+id/fragment_compliance_details_overview"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="@string/compliance_details_fragment_overview"
            android:textColor="@color/compliance_overview_title_color"
            android:textSize="@dimen/text_size_small"
            android:textStyle="bold"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/policy_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:textColor="@color/black"
            android:textSize="@dimen/text_size_large"
            android:textStyle="bold"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/fragment_compliance_details_overview" />

        <TextView
            android:id="@+id/last_check_time_only"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="@dimen/text_size_small"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/policy_name" />

        <View
            android:id="@+id/horizontal_line_compliance"
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:layout_marginTop="16dp"
            android:background="?android:attr/listDivider"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/last_check_time_only" />

        <TextView
            android:id="@+id/compliance_policy_status_explanation"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:textSize="@dimen/text_size_small"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/horizontal_line_compliance" />

        <TextView
            android:id="@+id/last_check_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="4dp"
            android:text="@string/last_compliance_check_time"
            android:textSize="@dimen/text_size_small"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/compliance_policy_status_explanation" />

        <TextView
            android:id="@+id/compliance_user_action_advice"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="4dp"
            android:text="@string/compliance_user_advice"
            android:textSize="@dimen/text_size_small"
            android:visibility="gone"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/last_check_time" />

    </android.support.constraint.ConstraintLayout>


</android.support.v7.widget.CardView>

<android.support.v7.widget.CardView
    android:id="@+id/details_cardview"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="16dp"
    android:background="@color/white"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toBottomOf="@id/overview_cardview"
    app:layout_constraintVertical_bias="0.0"
    card_view:cardElevation="2dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="16dp"
        android:layout_marginStart="16dp"
        android:orientation="vertical">

        <TextView
            android:id="@+id/policy_details_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="@string/policy_details_title"
            android:textColor="@color/compliance_overview_title_color"
            android:textSize="14sp"
            android:textStyle="bold"
            android:visibility="gone" />

        <ListView
            android:id="@+id/compliance_rules_listview"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:visibility="gone" />

    </LinearLayout>

</android.support.v7.widget.CardView>

</android.support.constraint.ConstraintLayout>

当ListView具有超过3-4行时，页面将不会滚动。 ListView也不会滚动。

我尝试将整个内容包装在NestedScrollView中，但这只是使ListView滚动而不是全部滚动。

我希望整个页面在ListView结束时滚动并结束滚动。任何想法都会有所帮助。

1 个答案:

答案 0 :(得分：0)

  1. 您不需要做什么约束布局。
  2. 阅读有关视图权重的信息。
  3. 尝试一下。 （将androix。*替换为您的组件）

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:card_view="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="16dp"
    android:orientation="vertical">

    <androidx.cardview.widget.CardView
        android:id="@+id/overview_cardview"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:background="@color/white"
        app:cardUseCompatPadding="true"
        app:contentPadding="4dp"
        card_view:cardElevation="2dp">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <TextView
                android:id="@+id/fragment_compliance_details_overview"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="test"
                android:textStyle="bold"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/policy_name"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="test"
                android:textColor="@color/black"
                android:textStyle="bold"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/fragment_compliance_details_overview" />

            <TextView
                android:id="@+id/last_check_time_only"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="test"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/policy_name" />

            <View
                android:id="@+id/horizontal_line_compliance"
                android:layout_width="match_parent"
                android:layout_height="2dp"
                android:layout_marginTop="16dp"
                android:background="?android:attr/listDivider" />

            <TextView
                android:id="@+id/compliance_policy_status_explanation"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:text="test"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/horizontal_line_compliance" />

            <TextView
                android:id="@+id/last_check_time"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                android:text="test"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/compliance_policy_status_explanation" />

            <TextView
                android:id="@+id/compliance_user_action_advice"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                android:text="@string/has_accepted_your_invitation_to_fynd"
                android:visibility="gone"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/last_check_time" />

        </LinearLayout>


    </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:id="@+id/details_cardview"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="@color/white"
        app:cardUseCompatPadding="true"
        app:contentPadding="4dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/overview_cardview"
        app:layout_constraintVertical_bias="0.0"
        card_view:cardElevation="2dp">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <TextView
                android:id="@+id/policy_details_title"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="test"
                android:textSize="14sp"
                android:textStyle="bold" />

            <ListView
                android:id="@+id/compliance_rules_listview"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

        </LinearLayout>

    </androidx.cardview.widget.CardView>

</LinearLayout>

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