TabLayout重心无法正常工作 [英] TabLayout gravity center is not working

问题描述

我有一个TabLayout，我希望在其中将选项卡显示在屏幕中央. 以下是我的TabLayout的XML.

I have a TabLayout, where I want the tabs to be displayed in the center of the screen. Below is the XML for my TabLayout.

<android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:background="@color/white"
            app:tabGravity="center"
            app:tabIndicatorColor="@color/about_tab_selected"
            app:tabIndicatorHeight="4dp"
            app:tabMode="scrollable"
            app:tabPaddingEnd="20dp"
            app:tabPaddingStart="20dp"
            app:tabSelectedTextColor="@color/about_tab_selected"
            app:tabTextAppearance="@style/UGTabTextAppearance"
            app:tabTextColor="@color/about_tab_unselected" />

但是，我的标签仍然显示在左侧，并且我无法在活动"中将其居中.

However, my Tabs are still displayed to the left, and I'm unable to center them in the Activity.

我得到的是:

我真正想要的是:

有人可以告诉我我在做什么错吗?如果您需要有关XML其余部分的其他信息，请告诉我.

Can somebody please tell me what I'm doing wrong here? If you need additional information regarding the rest of the XML, please let me know.

推荐答案

标签重力仅影响MODE_FIXED.

Tab gravity only effects MODE_FIXED.

一种可能的解决方案是将您的layout_width设置为wrap_content，而layout_gravity设置为center_horizo​​ntal

One possible solution is to set your layout_width to wrap_content and layout_gravity to center_horizontal

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