如何在 CollapsingToolbarLayout 内使用带有工具栏的 TabLayout? [英] How to use a TabLayout with Toolbar inside CollapsingToolbarLayout?

问题描述

我正在查看 chrisbanes/cheesesquare 并且我试图将带有工具栏的 TabLayout 放在 CollapsingToolbarLayout 中，这里是我的代码

I am looking at the chrisbanes/cheesesquare and I am trying to put TabLayout with a Toolbar inside a CollapsingToolbarLayout, and here is my code

<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/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/detail_backdrop_height"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/primary_dark"
            android:minHeight="150dip"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:expandedTitleMarginStart="48dp"
            app:expandedTitleMarginBottom="60dp"
            app:expandedTitleMarginEnd="64dp">

            <ImageView
                android:id="@+id/backdrop"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                android:fitsSystemWindows="true"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="110dip"
                android:layout_gravity="top"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                app:layout_collapseMode="pin" />

            <android.support.design.widget.TabLayout
                android:id="@+id/tabs"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="bottom"/>

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

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

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

当打开 CollapsingToolbar 时会出现类似的情况，这正是我正在寻找的:

This puts on something like this when the CollapsingToolbar is opened which is exactly what I am looking for:

但是当我折叠它时(通过拉起图像)我得到这样的东西

But when I collapse it (by pulling the image up) I get something like this

这是因为如果我保留选项卡和工具栏标题重叠的默认设置，我将工具栏设置为具有 110dip 的高度.所以我正在寻找正确的方法来做到这一点，以便工具栏的标题在应用程序栏上的正确位置上，并且 tablayout 在它下面.有没有办法做到这一点?

And this is due to the reason I've set the Toolbar to have a height of 110dip if I leave the default settings the Tabs and the toolbar title overlap. So I am looking for the right way to do that so that the title of the Toolbar gets it's right place on the appbar and the tablayout is under it. Is there a way this can be achieved ?

推荐答案

这是我设法做到的方法，我认为这不是最好的解决方案，但如果有人找到更好的方法，请随时发布答案.

Here's the way I managed to do this, I don't think that's the best solution though if anyone finds a better way please feel free to post the answer.

<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/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/detail_backdrop_height"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="206dip"
            android:background="@color/primary_dark"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:expandedTitleMarginStart="48dp"
            app:expandedTitleMarginBottom="20dp"
            app:expandedTitleMarginEnd="64dp">

            <ImageView
                android:id="@+id/backdrop"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                android:fitsSystemWindows="true"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                app:layout_collapseMode="pin" />
        </android.support.design.widget.CollapsingToolbarLayout>

        <android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="50dip"
            app:tabGravity="center"
            app:tabMode="scrollable"
            android:gravity="bottom"/>
    </android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>

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