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November 27, 2017 10:16
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/** | |
* Thanks to https://github.com/danleveille/react-native-input-accessory-demo | |
*/ | |
import React, { Component } from 'react'; | |
import { | |
Dimensions, | |
TouchableOpacity, | |
LayoutAnimation, | |
StyleSheet, | |
Keyboard, | |
View, | |
Text, | |
} from 'react-native'; | |
// -------------------------------------------------- | |
const SCREEN_SIZE = Dimensions.get('window'); | |
const INPUT_ACCESSORY_HEIGHT = 40; | |
// -------------------------------------------------- | |
class InputAccessory extends Component { | |
state = { | |
visibleHeight: SCREEN_SIZE.height, | |
opacity: 0, | |
} | |
// -------------------------------------------------- | |
componentWillMount() { | |
this.keyboardDidShowListener = | |
Keyboard.addListener('keyboardWillShow', this.keyboardWillShow.bind(this)); | |
this.keyboardDidHideListener = | |
Keyboard.addListener('keyboardWillHide', this.keyboardWillHide.bind(this)); | |
} | |
componentWillUnmount() { | |
this.keyboardDidShowListener.remove(); | |
this.keyboardDidHideListener.remove(); | |
const newSize = SCREEN_SIZE.height; | |
this.setState({ | |
visibleHeight: newSize, | |
opacity: 0, | |
}); | |
} | |
// -------------------------------------------------- | |
keyboardWillShow(e) { | |
const newSize = e.endCoordinates.screenY - (INPUT_ACCESSORY_HEIGHT - 1); | |
LayoutAnimation.configureNext({ | |
duration: 500, | |
create: { | |
type: LayoutAnimation.Types.linear, | |
property: LayoutAnimation.Properties.scaleXY, | |
}, | |
update: { | |
type: LayoutAnimation.Types.linear, | |
property: LayoutAnimation.Properties.scaleXY, | |
}, | |
}); | |
this.setState({ | |
visibleHeight: newSize, | |
opacity: 1, | |
}); | |
} | |
keyboardWillHide() { | |
this.setState({ | |
visibleHeight: SCREEN_SIZE.height, | |
opacity: 0, | |
}); | |
} | |
dismissKeyboardHandler() { | |
LayoutAnimation.configureNext({ | |
duration: 100, | |
create: { | |
type: LayoutAnimation.Types.linear, | |
}, | |
update: { | |
type: LayoutAnimation.Types.linear, | |
}, | |
}); | |
this.setState({ | |
visibleHeight: SCREEN_SIZE.height, | |
opacity: 0, | |
}); | |
Keyboard.dismiss(); | |
} | |
// -------------------------------------------------- | |
render() { | |
return ( | |
<View | |
style={[ | |
styles.InputAccessory, | |
{ opacity: this.state.opacity, top: this.state.visibleHeight - 1 }, | |
]} | |
> | |
<TouchableOpacity | |
style={{ backgroundColor: '#f000' }} | |
onPress={() => this.dismissKeyboardHandler()} | |
> | |
<Text style={[styles.InputAccessoryButtonText]}> | |
{'Đóng'} | |
</Text> | |
</TouchableOpacity> | |
</View> | |
); | |
} | |
} | |
module.exports = InputAccessory; | |
const styles = StyleSheet.create({ | |
InputAccessory: { | |
position: 'absolute', | |
left: 0, | |
right: 0, | |
justifyContent: 'center', | |
alignItems: 'flex-end', | |
height: INPUT_ACCESSORY_HEIGHT, | |
backgroundColor: '#fffe', | |
}, | |
InputAccessoryButtonText: { | |
paddingHorizontal: 9, | |
paddingVertical: 12, | |
marginLeft: 12, | |
marginRight: 8, | |
letterSpacing: 0.5, | |
fontSize: 16, | |
fontWeight: '400', | |
color: '#1999DD', | |
backgroundColor: 'transparent', | |
}, | |
}); |
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