1
**Main Layout**:
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:id="@+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/White">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:contentScrim="@color/white"
app:titleEnabled="false"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<TextView
android:id="@+id/collapsing_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:adjustViewBounds="true"
android:text="Journal Name, Volume No, Issue"
android:textSize="40sp"
android:textStyle="bold"
android:textColor="@color/black"
android:padding="30dp"
android:layout_marginTop="?attr/actionBarSize"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/primary"
app:layout_collapseMode="pin" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<include layout="@layout/article_listing_content"/>
</android.support.design.widget.CoordinatorLayout>
**Layout**:article_listing_content
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<RelativeLayout
android:id="@+id/rv_container"
android:visibility="visible"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:longClickable="true"
android:elevation="50dp"
android:scrollbars="vertical"/>
</RelativeLayout>
<RelativeLayout
android:id="@+id/error_msg_container"
android:visibility="gone"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/error_msg"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>
</RelativeLayout>
如果回收站視圖中沒有足夠的數據,我想禁用標題字段的摺疊(collapsing_title - CollapsingToolbarLayout中的TextView)。即只有在需要更多數據/滾動時纔會發生摺疊,否則應該禁用摺疊。如何在Android中啓用或禁用CollapsibleToolbarLayout中的摺疊?