docs: rename RadioGroup to RadioButtonGroup and fix docs

example/src/ExampleList.js

@@ -14,7 +14,7 @@ import FABExample from './FABExample';
 import PaperExample from './PaperExample';
 import ProgressBarExample from './ProgressBarExample';
 import RadioButtonExample from './RadioButtonExample';
-import RadioGroupExample from './RadioGroupExample';
+import RadioButtonGroupExample from './RadioButtonGroupExample';
 import RippleExample from './RippleExample';
 import SearchBarExample from './SearchBarExample';
 import SwitchExample from './SwitchExample';
@@ -39,7 +39,7 @@ export const examples = {
   paper: PaperExample,
   progressbar: ProgressBarExample,
   radio: RadioButtonExample,
-  radioGroup: RadioGroupExample,
+  radioGroup: RadioButtonGroupExample,
   ripple: RippleExample,
   searchbar: SearchBarExample,
   switch: SwitchExample,

example/src/RadioButtonGroupExample.js

@@ -5,7 +5,7 @@ import { View, StyleSheet } from 'react-native';
 import {
   Colors,
   withTheme,
-  RadioGroup,
+  RadioButtonGroup,
   RadioButton,
   Paragraph,
 } from 'react-native-paper';
@@ -19,8 +19,8 @@ type State = {
   value: string,
 };
 
-class RadioGroupExample extends React.Component<Props, State> {
-  static title = 'Radio group';
+class RadioButtonGroupExample extends React.Component<Props, State> {
+  static title = 'Radio button group';
 
   state = {
     value: 'first',
@@ -37,7 +37,7 @@ class RadioGroupExample extends React.Component<Props, State> {
           },
         ]}
       >
-        <RadioGroup
+        <RadioButtonGroup
           value={this.state.value}
           onValueChange={value => this.setState({ value })}
         >
@@ -49,7 +49,7 @@ class RadioGroupExample extends React.Component<Props, State> {
             <Paragraph>Second</Paragraph>
             <RadioButton value="second" />
           </View>
-        </RadioGroup>
+        </RadioButtonGroup>
       </View>
     );
   }
@@ -70,4 +70,4 @@ const styles = StyleSheet.create({
   },
 });
 
-export default withTheme(RadioGroupExample);
+export default withTheme(RadioButtonGroupExample);