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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:minHeight="50dip"
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android:gravity="center_vertical"
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android:orientation="vertical">
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<!--
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1、声明了一个线性布局容器，宽度与父组件一样，高度与内容匹配，即能刚好包含内容
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2、android:minHeight属性 指定了最小高度，当前值50dip
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3、对齐方式 垂直居中
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4、方向 垂直
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-->
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_gravity="center"
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android:textAppearance="?android:attr/textAppearanceMedium"
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android:text="@string/preferences_add_account" />
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<!--
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1、声明了一个显示文本view对象，高度和宽度与内容适配
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2、android:layout_gravity属性 是指定了该控件整体与父组件的对齐方式，而不是内容 当前很横纵居中
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3、android:textAppearance属性 指定了文本外观，当前是对于预定义样式的引用
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4、android:text属性 指定该view对象显示的文本，字符串资源引用
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-->
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</LinearLayout> |
