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App.js
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App.js
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import React from 'react';
import { StyleSheet, Text, View, Button, Image } from 'react-native';
export default class App extends React.Component {
renderText() {
if(this.flag) {
return (
<View>
<Text>Open up App.js to start working on your appoloolo!</Text>
<Text>Changes you make will automatically reload.</Text>
<Text>Shake your phone to open the developer menu.</Text>
</View>
);
} else {
return (
<View>
<Image source={require('./open.jpg')} style={{width: 300, height: 200}}/>
<Text>Öffne App.js um die Arbeit an deiner App zu beginnen!</Text>
<Text>Changes you make will automatically reload.</Text>
<Text>Shake your phone to open the developer menu.</Text>
</View>
);
}
}
constructor() {
super();
this.style = styles.container;
this.flag = false;
this.onClickButton = this.onClickButton.bind(this);
this.onClickCamera = this.onClickCamera.bind(this);
}
onClickButton(){
this.style = this.flag ? styles2.container : styles.container;
this.flag = !this.flag;
this.forceUpdate();
}
onClickCamera(){
//this.canUseCamera(this.onClickButton);
}
render() {
return (
<View style={this.style}>
{this.renderText()}
<Button title='Button' onPress={this.onClickButton}/>
<Button title='Camera' onPress={this.onClickCamera}/>
</View>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#fff',
alignItems: 'center',
justifyContent: 'center',
},
});
const styles2 = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#5fa',
alignItems: 'center',
justifyContent: 'center',
},
});