app性能分析促销活动

public class MyApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        // 异步初始化非关键组件
        new Thread(() -> {
            initNonCriticalComponents();
        }).start();
    }

    private void initNonCriticalComponents() {
        // 初始化非关键组件的逻辑
    }
}

import UIKit

class ViewController: UIViewController {
    var imageView: UIImageView?

    override func viewDidLoad() {
        super.viewDidLoad()
        // 使用缓存策略加载图片
        if let imageURL = URL(string: "https://example.com/image.jpg") {
            imageView = UIImageView()
            imageView?.kf.setImage(with: imageURL, options: [.cacheOriginalImage])
            view.addSubview(imageView!)
        }
    }

    deinit {
        imageView?.kf.cancelDownloadTask()
    }
}

const axios = require('axios');

async function fetchData() {
    try {
        const response = await axios.get('https://api.example.com/data', {
            timeout: 5000, // 设置超时时间
            headers: {
                'Cache-Control': 'no-cache' // 禁用缓存
            }
        });
        return response.data;
    } catch (error) {
        console.error('Error fetching data:', error);
        throw error;
    }
}