Android 如何使折叠工具栏不完全折叠?
我有正在正确折叠的折叠工具栏:Android 如何使折叠工具栏不完全折叠?,android,android-collapsingtoolbarlayout,Android,Android Collapsingtoolbarlayout,我有正在正确折叠的折叠工具栏: <?xml version="1.0" encoding="utf-8"?> <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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:fitsSystemWindows="true"
tools:context=".ScrollingActivity">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar"
android:layout_width="match_parent"
android:layout_height="453dp"
android:fitsSystemWindows="true"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/toolbar_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|snap|snapMargins"
app:toolbarId="@+id/toolbar">
<View
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFF00" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<include layout="@layout/content_scrolling" />
</android.support.design.widget.CoordinatorLayout>
- 屏幕1:未折叠(正常)
- 屏幕2:它已折叠(我想更改此)
- 屏幕3:这就是我在折叠工具栏时试图实现的目标
我的问题:如何使折叠工具栏未完全折叠?设置内部视图属性app:layout\u collapseMode=“pin”
我不确定,但直到我知道您通常将工具栏作为折叠工具栏布局的子控件,并在工具栏中设置属性app:layout\u collapseMode=pin
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:id="@+id/mAppBarContainer"
android:layout_width="match_parent"
android:layout_height="@dimen/_350sdp">
<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|enterAlwaysCollapsed"
app:scrimAnimationDuration="100"
app:titleEnabled="false">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_collapseMode="pin">
<ImageView
android:id="@+id/mPreview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:adjustViewBounds="true"
android:contentDescription="@string/app_name"
android:elevation="8dp"
app:layout_scrollFlags="scroll|enterAlways" />
<TextView
android:id="@+id/txt_placeholder"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="No Image Found"
android:textColor="@color/white"
android:textSize="@dimen/_20sdp"
android:visibility="gone" />
</RelativeLayout>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>