如何在CollapsingToolbarLayout和Toolbar的中心放置文本？

Question

我在工具栏的左侧和CollapsingToolbarLayout中有一个标题.我想将它水平移动到中心.请帮我.

我当前布局的图片和我想要实现的目标:

码:

<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_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.sagar.materialdesigndemo.CollapsingToolbarFragment">

<android.support.v7.widget.RecyclerView
    android:id="@+id/recycler_view"
    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_layout"
    android:layout_width="match_parent"
    android:layout_height="256dp"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

    <android.support.design.widget.CollapsingToolbarLayout
        android:id="@+id/collapsing_toolbar"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:elevation="@dimen/toolbar_elevation"
        app:expandedTitleTextAppearance="@style/HeaderTitleStyle"
        app:contentScrim="?attr/colorPrimary"
        app:layout_scrollFlags="scroll|exitUntilCollapsed">

        <ImageView
            android:id="@+id/flexible_image"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:src="@drawable/backmain"
            android:scaleType="centerCrop"
            app:layout_collapseMode="parallax"/>

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:titleTextAppearance="@style/ToolbarTitleStyle"
            android:layoutDirection="rtl"
            android:layout_height="?attr/actionBarSize"
            app:layout_collapseMode="pin" />

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

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

Answer 1

在您的中设置此参数 CollapsingToolbarLayout

app:expandedTitleGravity="center_horizontal"