RadioGroup实现点击的RadioButton项变色

drawable下新建selector类型的文件<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:state_checked="true" android:drawable="@color/colorSelect"/>//选中时颜色    <item android:state_checked="false" android:drawable="@color/colorNoSelect"/>//未选中时颜色    <item android:drawable="@color/colorNoSelect"/>//默认颜色selector>//布局中RadioGroup代码,,,

在每个RadioButton中引用,刚才写的文件,android:background="@drawable/radio_selector"//给默认展示页面的对应的RadioButton中设置默认选中,android:cheched="true"

<RadioGroup    android:id="@+id/radiogroup"    android:orientation="horizontal"    android:layout_width="match_parent"    android:layout_alignParentBottom="true"    android:layout_height="40dp">    <RadioButton        android:id="@+id/home_button"        android:background="@drawable/radio_selector"        android:gravity="center"        android:layout_width="0dp"        android:button="@null"        android:layout_weight="1"        android:layout_height="match_parent"        android:text="首页"/>    <RadioButton        android:id="@+id/zixuan_button"        android:background="@drawable/radio_selector"        android:gravity="center"        android:layout_width="0dp"        android:button="@null"        android:layout_weight="1"        android:layout_height="match_parent"        android:text="自选"/>    <RadioButton        android:id="@+id/hangqing_button"        android:background="@drawable/radio_selector"        android:gravity="center"        android:layout_width="0dp"        android:button="@null"        android:layout_weight="1"        android:layout_height="match_parent"        android:text="行情"/>    <RadioButton        android:id="@+id/zixun_button"        android:background="@drawable/radio_selector"        android:checked="true"        android:gravity="center"        android:layout_width="0dp"        android:button="@null"        android:layout_weight="1"        android:layout_height="match_parent"        android:text="资讯"/>    <RadioButton        android:id="@+id/jiaoyi"        android:background="@drawable/radio_selector"        android:gravity="center"        android:layout_width="0dp"        android:button="@null"        android:layout_weight="1"        android:layout_height="match_parent"        android:text="交易"/>RadioGroup>

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