如何在线性布局内居中放置文本视图 [英] How to center a textview inside a linearlayout

问题描述

我有以下布局，我希望使textview出现在视图的中心和中间.我该如何实现?

I have the following layout i'd like to make the textview appear in the center and middle of the view. How can i acheive this?

在图形视图中查看布局时，我尝试过调整各种重力属性，但似乎没有任何改变.我想要在中心的文本视图，但位于视图的一半.

I've tried adjusting the various gravity attributes when looking at the layout in graphical view, but nothing seems to change it. I'd like the textview in the center which i've done but halfway down the view.

感谢马特.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="@drawable/carefreebgscaledalphajpg" >



    <TextView
        android:id="@+id/textviewdatefornocallspage"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="You have no calls for "
        android:textSize="25sp" />

</LinearLayout>

推荐答案

将重力设置在linearLayout标签的中心:

set the gravity to center in your linearLayout tag :

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
     android:gravity="center"
    android:background="@drawable/carefreebgscaledalphajpg" >

或像这样使用RelativeLayout:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/carefreebgscaledalphajpg" >



    <TextView
        android:id="@+id/textviewdatefornocallspage"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="You have no calls for "
        android:textSize="25sp" />

</RelativeLayout>

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