Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences. android:id: Used to uniquely identify the control. android基础之CheckBox. Android 4.0 (API level 14) introduces another kind of toggle button called a switch that provides a slider control, which you can add with a Switch object. Note: The SwitchMaterial widget provides a complete implementation of Material Design's switch component. android之CheckBox和Radio. 实例目标 . 实例目标 . 1 . An application can access other Android components to achieve a task. android:gravity: Used to specify how to align the text like left, right, center, top, etc. Now I need set validation for RadioButton in the RadioGroup. For example, from a component of your application you can trigger another component in the Android system, which manages photos, even if this component is not part of your application. 对CheckBox进行监听：使用OnCheckedChangeListener接口。. import android.widget.RadioGroup.OnCheckedChangeListener; When adding the snippet from Ricky I had errors: The method setOnCheckedChangeListener(RadioGroup.OnCheckedChangeListener) in the type RadioGroup is not applicable for the arguments (new CompoundButton.OnCheckedChangeListener(){}) Can be fixed with … Android之RadioGroup获取选中值的方法发布时间：2020-11-12 17:22:08来源：亿速云阅读：466作者：LeahAndroid之RadioGroup获取选中值的方法？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。 Some of the attributes of android radio button and radio group are listed below: android:orientation: This property on the Radio group defines the orientation to position its child view consisting of Radio Buttons.It can be either horizontal or vertical android:buttonTint is used to set the color of the circular button. android:text is used to set the text of the RadioButton. 要实现这样一个底部导航栏，大家最容易想到的当然就是TabLayout，Tab 切换嘛，TabLayout 就是专门干这个事的，不过TabLayout 默认是带有Indicator的，我们是不需要的，因此需要把它去掉，看一下布局文件： setOnClickListener是Android开发中常用的点击事件监听器，多用于页面按钮调用。它的实现方法比较特殊，是通过回调实现的。下面看看它的源码 /** * Register a callback to be invoked when this view is clicked. 今天小编就为大家分享一篇关于Android单选按钮RadioButton的使用详解，小编觉得内容挺不错的，现在分享给大家，具有很好的参考价值，需要的朋友一起跟随小编来看看吧 阅读全文 设计一个用户注册界面，在其中要使用到一些基础控件，如 文本框、编辑框、按钮、复选框等控件 SwitchCompat is a version of the Switch widget which runs on devices back to API 7. 本文实例为大家分享了Android用户注册界面的设计，供大家参考，具体内容如下. I. You can set the text gravity using the android:gravity attribute android:onClick is used to set the function in the Kotlin activity to be triggered when the RadioButton is clicked. Android radio button is a widget which can have more than one option to choose from. TabLayout + Fragment. checkbox就是选择框。效果： layout中的xml文件：