#1.控件

1.1 TextView
基础属性：
image-20211201091134013

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

<TextView

    android:text="@string/tv_one"   //设置文本
    android:textColor="@color/black"  //设置字体颜色
    android:textStyle="italic"    //设置字体样式
    android:textSize="30sp"       //设置字体大小
    android:background="@color/red"
    android:gravity="center"       //设置文本位置
    android:id="@+id/tv_one"       //设置id
    android:layout_width="200dp"
    android:layout_height="200dp"

    ></TextView>


</LinearLayout>

1.2 带阴影的TextView
image-20211201102222982

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android:shadowColor="@color/red"
android:shadowRadius="3.0"
android:shadowDx="10.0"

1.3 跑马灯效果

image-20211201102435535

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 android:singleLine="true"
    android:ellipsize="marquee"
    android:marqueeRepeatLimit="marquee_forever"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:clickable="true"
        
<requestFocus/>