没有工具栏的Android CollapsingToolbarLayout在某个点停止而不是完全关闭

Question

我知道需要一个工具栏,以便滚动时CollapsingToolbarLayout不会完全关闭:例如:

http://imgur.com/zQxi1Y8

我想知道我是否可以在没有工具栏的情况下使用CollapsingToolbarLayout并且仍然无法完全关闭？

这是我的代码:

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/annonce.main.coordinator"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:ignore="RtlHardcoded">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing"
            android:layout_width="match_parent"
            android:layout_height="300dp"
            app:title="Paky youuu"
            app:expandedTitleMarginBottom="94dp"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:contentScrim="?colorPrimary">
                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    android:text="Nooo, don't close!"
                    android:background="@null"
                    app:layout_collapseMode="pin"
                    style="@style/ToolBarWithNavigationBack"/>
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>
    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scrollbars="none"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">
        <LinearLayout
            android:id="@+id/linear_anchor"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."
                android:lineSpacingExtra="6dp"
                />
        </LinearLayout>
    </android.support.v4.widget.NestedScrollView>
    <android.support.design.widget.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="32dp"
        android:elevation="8dp"
        android:src="@drawable/vector_ic_alarm_24dp"
        app:layout_anchor="@id/linear_anchor"
        app:layout_anchorGravity="top|right|end"
        tools:ignore="RtlHardcoded" />

</android.support.design.widget.CoordinatorLayout>

这是我的版本:

http://i.imgur.com/KM5r06M.png

在这个,而不是它向上滚动以完全隐藏它,我希望它停止在布局的这一部分 http://i.imgur.com/sN9Zzkj.png

http://i.imgur.com/BX86Cks.png

Answer 1

将 minHeight 设置为 CollapsingToolbarLayout 即可完成。