TabLayout gravity center is not working

2019-02-18 03:39发布

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" />

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

What I'm getting is this: enter image description here

What I really want is: enter image description here

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.

2条回答
你好瞎i
2楼-- · 2019-02-18 04:09

Tab gravity only effects MODE_FIXED.

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

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时光不老,我们不散
3楼-- · 2019-02-18 04:26

Ok, so the problem was with layout_width="match_parent"

When I changed that to layout_width="wrap_content", it solved my problem.

The final XML is:

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