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📜  在 React Native 中获取视图的大小 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:03:31.047000             🧑  作者: Mango

代码示例1
import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  Text,
  View,
  Image
} from 'react-native';

export default class Comp extends Component {

  find_dimesions(layout){
    const {x, y, width, height} = layout;
    console.warn(x);
    console.warn(y);
    console.warn(width);
    console.warn(height);
  }
  render() {
    return (
       { this.find_dimesions(event.nativeEvent.layout) }} style={styles.container}>
        
          Welcome to React Native!
        
        
          To get started, edit index.android.js
        
        
          Double tap R on your keyboard to reload,{'\n'}
          Shake or press menu button for dev menu
        
      
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: '#F5FCFF',
  },
  welcome: {
    fontSize: 20,
    textAlign: 'center',
    margin: 10,
  },
  instructions: {
    textAlign: 'center',
    color: '#333333',
    marginBottom: 5,
  },
});

AppRegistry.registerComponent('Comp', () => Comp);