create progress bar in react code example

Example 1: how to add button in alert box in react native

// Works on both Android and iOS
Alert.alert(
  'Alert Title',
  'My Alert Msg',
  [
    {text: 'Ask me later', onPress: () => console.log('Ask me later pressed')},
    {
      text: 'Cancel',
      onPress: () => console.log('Cancel Pressed'),
      style: 'cancel',
    },
    {text: 'OK', onPress: () => console.log('OK Pressed')},
  ],
  {cancelable: false},
);

Example 2: how to add icon in the app bar in flutter

AppBar(  title: Text("Hello Appbar"),  leading: Icon(    Icons.menu,  ),);