android radionbutton、checkbox、RatingBar自定义_安卓r自定义checkbox-优快云博客

本文链接：https://blog.youkuaiyun.com/wangwo1991/article/details/50668965

本文介绍了如何在Android应用中自定义RadioButton、CheckBox和RatingBar等UI控件，包括定义选择器、布局文件配置及代码实现，实现了统一的视觉效果。

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最近在开发过程中要用到radionbutton、checkbox、RatingBar等控件，一开始就直接使用系统原生的，但是版本不一样，运行的效果不一样，所以最后使用了自定义的，便于统一效果，以下是实现代码：
首先定义相应的选择器：
radionbutton选择器：radion_button_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/sex_nor" android:state_checked="false"/>
    <item android:drawable="@drawable/sex_down" android:state_checked="true"/>

</selector

checkbox选择器：login_checkbox_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
   <item android:drawable="@drawable/login_check"
        android:state_checked="true"/>
    <item android:drawable="@drawable/login_uncheck"/> 

</selector>

RatingBar选择器：room_rating_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:id="@+android:id/background"
        android:drawable="@drawable/start_icon2"></item> <span></span>              
                <item android:id="@+android:id/secondaryProgress"
                android:drawable="@drawable/start_icon2"></item>
                <item android:id="@+android:id/progress"
        android:drawable="@drawable/start_icon1"></item>

</layer-list>

下面将写好的选择器引入到布局文件中：activity_main.xml

<LinearLayout 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:orientation="vertical"
    tools:context="com.example.radionbuttondemo.MainActivity$PlaceholderFragment" >

    <RadioGroup
        android:id="@+id/sex_radiogroup"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="20dp"
        android:orientation="horizontal" >

        <RadioButton
            android:id="@+id/rb_sex_man"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:button="@null"
            android:checked="true"
            android:drawableLeft="@drawable/radion_button_selector"
            android:drawablePadding="10dp"
            android:text="男" />

        <RadioButton
            android:id="@+id/rb_sex_women"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="15dp"
            android:button="@null"
            android:drawableLeft="@drawable/radion_button_selector"
            android:drawablePadding="10dp"
            android:text="女" />
    </RadioGroup>

    <CheckBox
        android:id="@+id/remerber_user_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="20dp"
        android:button="@drawable/login_checkbox_selector"
        android:checked="true"
        android:paddingLeft="10dp"
        android:text="记住用户名"
        android:textColor="#000000"
        android:textSize="17sp" />

    <RatingBar
        android:id="@+id/room_ratingbar"
        style="@style/roomRatingBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="20dp"
        android:max="255"
        android:numStars="5"
        android:progress="255"
        android:rating="2"
        android:stepSize="1" >
    </RatingBar>

</LinearLayout>

下面是activity中代码：

package com.example.radionbuttondemo;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.CheckBox;
import android.widget.RadioGroup;
import android.widget.RatingBar;
import android.os.Build;

public class MainActivity extends ActionBarActivity {

    private RadioGroup sex_radiogroup;
    private CheckBox remerber_user_name;
    private RatingBar room_ratingbar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        sex_radiogroup = (RadioGroup) findViewById(R.id.sex_radiogroup);
        remerber_user_name = (CheckBox) findViewById(R.id.remerber_user_name);
        room_ratingbar = (RatingBar) findViewById(R.id.room_ratingbar);
    }

}