获取当前屏幕的宽度、高度、分辨率
导入信息一般都用require
关键字
格式:var XXXX = require('XXXX');
//首先要导入Dimensions包
var Diemnsions = require('Dimensions');
export default class App5 extends Component<{}> {
render() {
return (
<View style={styles.container}>
<Text >当前屏幕的宽:{Diemnsions.get('window').width} </Text>
<Text>当前屏幕的高:{Diemnsions.get('window').height} </Text>
<Text>当前屏幕的分辨率:{Diemnsions.get('window').scale} </Text>
</View>
);
}
}
const styles = StyleSheet.create({
container:{
marginTop:20,
marginLeft:20,
marginRight:20,
marginBottom:20,
flex:1,
backgroundColor:'red',
justifyContent:'center',
alignItems:'center',
},
});