【问题标题】:Android AppBarLayout TabLayoutAndroid AppBarLayout TabLayout
【发布时间】:2018-09-30 16:45:17
【问题描述】:

我尝试保持红色布局滚动,以便他隐藏并且 TabLayout 保持在顶部

我需要红色布局来填充圆形头像的高度。我尝试将TabLayout滚动到顶部,红色布局继续滚动隐藏?

图片无法发送,请点击链接查看演示。

https://shejiao-v2.oss-cn-shenzhen.aliyuncs.com/ezgif.com-optimize.gif

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:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/coordinator_lay"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/app_bar"
        android:layout_width="match_parent"
        android:layout_height="190dp"
        android:fitsSystemWindows="true"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:elevation="0dp"
        app:layout_behavior="@string/appbar_spring_behavior">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/toolbar_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="?colorPrimary"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:scrimVisibleHeightTrigger="95dp"
            app:titleEnabled="false">

            <ImageView
                android:id="@+id/cover"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:contentDescription="@null"
                android:fitsSystemWindows="true"
                android:scaleType="centerCrop"
                android:src="@mipmap/default_cover_bg"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/actionbar"
                android:layout_width="match_parent"
                android:layout_height="?android:attr/actionBarSize"
                android:layout_alignParentTop="true"
                android:textSize="11sp"
                app:contentInsetStart="?actionBarInsetStart"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                tools:ignore="SmallSp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_vertical"
                    android:orientation="horizontal">

                    <de.hdodenhof.circleimageview.CircleImageView
                        android:id="@+id/toolbar_avatar"
                        android:layout_width="30dp"
                        android:layout_height="30dp"
                        android:src="@mipmap/default_avatar"
                        android:visibility="gone"
                        app:civ_border_color="#D6D6D6"
                        app:civ_border_width="1dp"
                        app:layout_anchor="@id/app_bar"
                        app:layout_anchorGravity="bottom|center_horizontal"
                        app:layout_behavior="android.support.design.widget.CircleImageViewBehavior" />

                    <TextView
                        android:id="@+id/toolbar_title"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="10dp"
                        android:textColor="@android:color/white"
                        android:textSize="18sp"
                        android:visibility="gone" />

                </LinearLayout>

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

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

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

    <com.thsseek.shejiao.ui.widget.CircleImageViewFAB
        android:id="@+id/avatar"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:scaleType="centerCrop"
        android:src="@mipmap/default_avatar"
        app:civ_border_color="#D6D6D6"
        app:civ_border_width="2dp"
        app:layout_anchor="@id/app_bar"
        app:layout_anchorGravity="bottom|center_horizontal" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="?colorPrimary"
        android:orientation="vertical"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <View
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:background="@color/colorAccent" />

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

            <com.kekstudio.dachshundtablayout.DachshundTabLayout
                android:id="@+id/tabs"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:ddIndicatorColor="@android:color/black"
                app:tabGravity="center"
                app:tabMode="fixed"
                app:tabPaddingStart="0dp" />

        </LinearLayout>

        <android.support.v4.view.ViewPager
            android:id="@+id/viewpager"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </LinearLayout>

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

我怎样才能改变这个来达到这个效果?

【问题讨论】:

    标签: android android-appbarlayout


    【解决方案1】:

    代替 LinearLayout 进行偏移,只需使用 View。 在 CollapsingToolbarLayout 中将 CircleImageViewFAB(avatar) 和 View(offset) 移动到 imageView(background) 之后 Toolbar

    之前

    Sheme:

    <?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.support.design.widget.AppBarLayout
            android:id="@+id/app_bar"
            ...>
    
            <android.support.design.widget.CollapsingToolbarLayout
                android:id="@+id/toolbar_layout"
                ...>
    
                <!--background image-->
                <ImageView
                    android:id="@+id/cover"
                    ... />
    
                <!--big avatar image-->
                <com.thsseek.shejiao.ui.widget.CircleImageViewFAB
                    android:id="@+id/avatar"
                    ... />
    
                <!-- offset with background for big avatar -->
                <View
                    android:id="@+id/offset"
                    ... />
    
                <android.support.v7.widget.Toolbar
                    android:id="@+id/actionbar"
                    ... />
    
            </android.support.design.widget.CollapsingToolbarLayout>
        </android.support.design.widget.AppBarLayout>
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="?colorPrimary"
            android:orientation="vertical"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">
    
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">
    
                <com.kekstudio.dachshundtablayout.DachshundTabLayout
                    android:id="@+id/tabs"
                    ... />
    
            </LinearLayout>
    
            <android.support.v4.view.ViewPager
                android:id="@+id/viewpager"
                ... />
        </LinearLayout>
    
    </android.support.design.widget.CoordinatorLayout>
    

    【讨论】:

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