android - CollapsingToolbarLayout显示标题不全，被截断了

Question

我正在使用CollapsingToolbarLayout显示一个界面，但是当CollapsingToolbarLayout展开的时候，标题没有完全显示，如下图:

我本想显示“this is a long long title.”，结果右边空出了一大段而标题却被截断了。

我按照搜索到的各种方法尝试过了，比如设置margin或者padding，都没有什么用。

所以我应该怎么设置才能让标题完全显示？？

下面是我的布局文件

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    android:id="@+id/main_layout"
    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:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="240dp"
        android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsingToolbarLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="@color/colorPrimary"
            app:expandedTitleTextAppearance="@style/ExpandedAppBar"
            app:collapsedTitleTextAppearance="@style/CollapsedAppBar"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <ImageView
                android:id="@+id/toolbarImageView"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                android:scaleType="centerCrop"
                app:layout_collapseMode="parallax"
                app:layout_collapseParallaxMultiplier="0.7"/>

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                app:popupTheme="@style/AppTheme.PopupOverlay"
                android:theme="@style/ToolBarStyle"
                android:layout_width="match_parent"
                app:background="@color/colorPrimary"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin">

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

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

    <android.support.v4.widget.NestedScrollView
        android:id="@+id/scrollView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <WebView
            android:id="@+id/webview"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </WebView>
    </android.support.v4.widget.NestedScrollView>

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

Answer 1

This thing is not that long to begin with. The reason why there is so much space on the right is because it can set the gravity attribute.
If you really need to use a long title, you can take a look at this project: multiline-collapsingtoolbar

Answer 2

Try adjusting textappearance?