主要活动布局(删除了不相关的元素):
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black"
<RelativeLayout
android:id="@+id/layout_relative_in_drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black" >
// some more elements ...
</RelativeLayout>
<ListView
android:id="@+id/drawer_main"
android:layout_width="120dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#80000000"
android:choiceMode="singleChoice"
android:divider="@android:color/transparent"
android:dividerHeight="10dp" />
</android.support.v4.widget.DrawerLayout>
drawer_item.xml:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawerItemTextView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:layout_gravity="center"
android:textColor="@android:color/white" >
</TextView>
列表项目现在水平对齐中心,但不是垂直对齐。
我应该修改什么来使它们垂直居中?
答案 0 :(得分:1)
将抽屉物品更改为:
<?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="horizontal" >
<TextView
android:id="@+id/frag1_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
然后试试,它对我有用。
答案 1 :(得分:1)
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff" >
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#eeeeee" >
</FrameLayout>
<ListView
android:id="@+id/left_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#333333"
android:choiceMode="singleChoice"
android:divider="@android:color/darker_gray"
android:dividerHeight="1dp" />
</android.support.v4.widget.DrawerLayout>
<?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="50dp"
android:orientation="horizontal" >
<TextView
android:id="@+id/text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center|left"
android:padding="5dp"
android:text="Medium Text"
android:textColor="#FB9200" />
</LinearLayout>
答案 2 :(得分:1)
drawer_item.xml:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="a" />
</RelativeLayout>
答案 3 :(得分:-1)
您可能应该将项目的重力更改为:
android:gravity="center|center_vertical"