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December 26, 2021 16:40
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Medium article - redux setup
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import React from 'react'; | |
import {View, Text, TouchableOpacity} from 'react-native'; | |
import {useDispatch, useSelector} from 'react-redux'; | |
import { | |
decrementCount, | |
incrementCount, | |
} from '../../redux/actions/CounterActions'; | |
import {selectCounterValue} from '../../redux/selectors/CounterSelector'; | |
import {persistor} from '../../redux/store'; | |
const Counter = () => { | |
const dispatch = useDispatch(); | |
const counterValue = useSelector(selectCounterValue); | |
const onIncrement = () => { | |
dispatch(incrementCount()); | |
}; | |
const onDecrement = () => { | |
if (counterValue > 0) { | |
dispatch(decrementCount()); | |
} | |
}; | |
const onLogout = () => { | |
persistor.purge(); | |
}; | |
return ( | |
<View | |
style={{ | |
flex: 1, | |
width: '100%', | |
justifyContent: 'space-around', | |
alignItems: 'center', | |
backgroundColor: '#FFEACA', | |
}}> | |
<View> | |
<Text | |
style={{ | |
fontSize: 34, | |
fontWeight: 'bold', | |
color: '#835151', | |
paddingHorizontal: 40, | |
textAlign: 'center', | |
}}> | |
Counter | |
</Text> | |
<View | |
style={{ | |
flexDirection: 'row', | |
justifyContent: 'space-between', | |
marginTop: 50, | |
borderRadius: 8, | |
borderWidth: 1, | |
borderColor: '#835151', | |
overflow: 'hidden', | |
}}> | |
<TouchableOpacity | |
style={{ | |
justifyContent: 'center', | |
alignItems: 'center', | |
backgroundColor: '#835151', | |
width: 40, | |
}} | |
onPress={onDecrement}> | |
<Text style={{fontSize: 30, color: '#FFEACA'}}>–</Text> | |
</TouchableOpacity> | |
<View style={{justifyContent: 'center', alignItems: 'center'}}> | |
<Text style={{fontSize: 24, color: '#835151', fontWeight: 'bold'}}> | |
{counterValue} | |
</Text> | |
</View> | |
<TouchableOpacity | |
style={{ | |
justifyContent: 'center', | |
alignItems: 'center', | |
backgroundColor: '#835151', | |
width: 40, | |
}} | |
onPress={onIncrement}> | |
<Text style={{fontSize: 30, color: '#FFEACA'}}>+</Text> | |
</TouchableOpacity> | |
</View> | |
</View> | |
<TouchableOpacity | |
style={{ | |
borderWidth: 2, | |
borderColor: '#835151', | |
paddingVertical: 15, | |
paddingHorizontal: 20, | |
borderRadius: 4, | |
width: '70%', | |
justifyContent: 'center', | |
alignItems: 'center', | |
}} | |
onPress={onLogout}> | |
<Text style={{fontSize: 22, fontWeight: '500', color: '#835151'}}> | |
Logout | |
</Text> | |
</TouchableOpacity> | |
</View> | |
); | |
}; | |
export default Counter; |
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