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带有 RecyclerView 的 Android ScrollView 比我预期的要短

转载 作者:行者123 更新时间:2023-11-29 19:01:31 25 4
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我在 ScrollView 中有两个 RecyclerView。第二个名为“recyclerView_main_article”的RecyclerView无法完全显示。我的意思是它的底部被切掉了。我试图在 RecyclerView 下添加名为“empty”的额外 View 以腾出一些空间。添加“empty”后,“recyclerView_main_article”显示完整,但“empty”比它的高度还短。这是 XML。

<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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:fillViewport="true"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/background_light">

<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<View
android:id="@+id/view_title_line"
android:layout_width="5dp"
android:layout_height="24dp"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:background="@color/colorPrimary"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />

<TextView
android:id="@+id/textView_top_movie_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:text="@string/top_movie_title"
android:textColor="@color/colorPrimary"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line"
app:layout_constraintStart_toEndOf="@+id/view_title_line" />

<TextView
android:id="@+id/textView_see_all_movies"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="@string/see_all"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line"
app:layout_constraintEnd_toEndOf="parent" />

<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView_main_video"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view_title_line" />

<View
android:id="@+id/view_title_line2"
android:layout_width="5dp"
android:layout_height="24dp"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="32dp"
android:background="@color/colorPrimary"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/recyclerView_main_video" />

<TextView
android:id="@+id/textView_top_article_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:text="@string/top_article_title"
android:textColor="@color/colorPrimary"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line2"
app:layout_constraintStart_toEndOf="@+id/view_title_line2" />

<TextView
android:id="@+id/textView_see_all_articles"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="@string/see_all"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line2"
app:layout_constraintEnd_toEndOf="parent" />

<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView_main_article"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view_title_line2" />

<!--<View
android:id="@+id/empty"
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="@android:color/holo_orange_dark"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/recyclerView_main_article" />-->
</android.support.constraint.ConstraintLayout>
</ScrollView>

我通过这段 Kotlin 代码将 HORIZONTAL 应用于 RecyclerView。

recyclerView_main_video.layoutManager = LinearLayoutManager(this, OrientationHelper.HORIZONTAL, false)
recyclerView_main_article.layoutManager = LinearLayoutManager(this, OrientationHelper.HORIZONTAL, false)

我使用的是 Android Studio 3.0.1,我的 recyclerview 版本是 26.1.0。

implementation 'com.android.support:recyclerview-v7:26.1.0'

我该怎么办??我需要你的帮助。

最佳答案

Change ScrollView to NestedScrollView

Add android:paddingBottom="50dp" android:clipToPadding="false" in second recyclerview

对于 clipToPadding

试试这个:

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.NestedScrollView 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:fillViewport="true"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/background_light">

<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<View
android:id="@+id/view_title_line"
android:layout_width="5dp"
android:layout_height="24dp"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:background="@color/colorPrimary"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />

<TextView
android:id="@+id/textView_top_movie_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:text="@string/top_movie_title"
android:textColor="@color/colorPrimary"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line"
app:layout_constraintStart_toEndOf="@+id/view_title_line" />

<TextView
android:id="@+id/textView_see_all_movies"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="@string/see_all"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line"
app:layout_constraintEnd_toEndOf="parent" />

<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView_main_video"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view_title_line" />

<View
android:id="@+id/view_title_line2"
android:layout_width="5dp"
android:layout_height="24dp"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="32dp"
android:background="@color/colorPrimary"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/recyclerView_main_video" />

<TextView
android:id="@+id/textView_top_article_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:text="@string/top_article_title"
android:textColor="@color/colorPrimary"
android:textSize="20sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line2"
app:layout_constraintStart_toEndOf="@+id/view_title_line2" />

<TextView
android:id="@+id/textView_see_all_articles"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="@string/see_all"
app:layout_constraintBottom_toBottomOf="@+id/view_title_line2"
app:layout_constraintEnd_toEndOf="parent" />

<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView_main_article"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:paddingBottom="50dp"
android:clipToPadding="false"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view_title_line2" />

<!--<View
android:id="@+id/empty"
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="@android:color/holo_orange_dark"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/recyclerView_main_article" />-->
</android.support.constraint.ConstraintLayout>
</android.support.v4.widget.NestedScrollView>

关于带有 RecyclerView 的 Android ScrollView 比我预期的要短,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48924231/

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