• android RadioButton单选按钮效果


    activity_main.xml
    <RadioGroup
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:orientation="horizontal"
      android:layout_gravity="center_horizontal">
      <RadioButton
        android:id="@+id/xiaoxi"
        android:layout_weight="1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="消息"
        android:button="@null"
        android:textSize="20sp"
        android:gravity="center"
        android:checked="true"
        android:drawableTop="@drawable/selector_bar_1"/>
      <RadioButton
        android:id="@+id/lianxiren"
        android:layout_weight="1"
        android:button="@null"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="联系人"
        android:gravity="center"
        android:drawableTop="@drawable/selector_bar_2"
        android:textSize="20sp"/>
      <RadioButton
        android:id="@+id/dongtai"
        android:layout_weight="1"
        android:button="@null"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:gravity="center"
        android:drawableTop="@drawable/selector_bar_3"
        android:text="动态"/>
    </RadioGroup>
    ---------------------------在drawable下新建文件----------------------
    1.selector_bar_1.xml
      <?xml version="1.0" encoding="utf-8"?>
      <selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@mipmap/bar_1_select" android:state_checked="true"/>
        <item android:drawable="@mipmap/bar_1_unselect" android:state_checked="false"/>
      </selector>
    2.selector_bar_1.xml
      <?xml version="1.0" encoding="utf-8"?>
       <selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@mipmap/bar_2_selector" android:state_checked="true"/>
        <item android:drawable="@mipmap/bar_2_unselector" android:state_checked="false"/>
      </selector>
    3.selector_bar_1.xml
      <?xml version="1.0" encoding="utf-8"?>
       <selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@mipmap/bar_3_select" android:state_checked="true"/>
        <item android:drawable="@mipmap/bar_3_unselect" android:state_checked="false"/>
      </selector>
     
    素材:
    效果:
     
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  • 原文地址:https://www.cnblogs.com/fengzikuange/p/6073142.html
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