Android网络相关

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抓包工具

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// https://stackoverflow.com/questions/17654631/android-webview-read-cookies/20241864
public String getCookie(String siteName, String cookieName) {
    String cookieValue = null;

    CookieManager cookieManager = CookieManager.getInstance();
    String cookies = cookieManager.getCookie(siteName);
    if (cookies != null) {
        String[] temp = cookies.split(";");
        for (String ar1 : temp) {
            if (ar1.contains(cookieName)) {
                String[] temp1 = ar1.split("=");
                cookieValue = temp1[1];
            }
        }
    }
    return cookieValue;
}

// 使用
File file = new File(filePath);
RequestBody requestBody = new MultipartBody.Builder()
        .setType(MultipartBody.FORM)
        .addFormDataPart("file", file.getName(), RequestBody.create(MediaType.parse("image/*"), file))
        .build();

Request request = new Request.Builder()
        .url(callBack.getUrl())
        .post(requestBody)
        .addHeader("Accept", "*/*")
        .addHeader("cookie", "ci_session=" + getCookie(APP_URL, "ci_session"))
        .build();
client.newCall(request).enqueue(callBack);
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// https://stackoverflow.com/questions/34881775/automatic-cookie-handling-with-okhttp-3/35346473
// https://github.com/franmontiel/PersistentCookieJar
CookieJar cookieJar = new PersistentCookieJar(new SetCookieCache(),
                     new SharedPrefsCookiePersistor(context));
OkHttpClient okHttpClient = new OkHttpClient.Builder()
                    .cookieJar(cookieJar)
                    .build();

获取网络时间

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public class Utime {
    private static final String URL_DEFAULT = "http://lyloou.com";
    /**
     *
     * 获取时间戳（始终使用网络时间，如果获取网络时间失败，才使用本地时间）
     * 注意该方法涉及网络操作，不要在主线程中调用
     * 返回的是以秒为单位的时间字符串
     */
    public static String getTimeStamp(String url) {

        final String urlRrBase = getBaseUrl(url);
        final long phoneTime = System.currentTimeMillis() / 1000;

        try {
            // 生成连接对象
            URLConnection uc = new URL(urlRrBase).openConnection();
            // 发出连接
            uc.connect();
            long webTimeMillis = uc.getDate();
            // 读取网站日期时间
            long webTime = webTimeMillis / 1000;
            return String.valueOf(webTime);
        } catch (Exception e) {
            return String.valueOf(phoneTime);
        }
    }

    private static String getBaseUrl(String url) {
        if (TextUtils.isEmpty(url)) {
            return URL_DEFAULT;
        }

        try {
            URI uri = new URI(url);
            return uri.getScheme() + "://" + uri.getHost();
        } catch (Exception e) {
            return URL_DEFAULT;
        }

    }
}