Android网络请求日志封装与接口调用最佳实践
2025.09.25 16:20浏览量:0简介:本文详细阐述Android开发中网络接口调用日志封装的方法与接口调用代码优化技巧,提供可复用的日志工具类实现及接口调用最佳实践。
Android网络请求日志封装与接口调用最佳实践
在Android开发中,网络接口调用是连接服务端的核心环节。合理的日志封装不仅能提升调试效率,还能为线上问题追踪提供关键数据。本文将从日志封装设计、接口调用代码优化、异常处理三个维度展开详细讨论。
一、日志封装的核心价值与设计原则
1.1 日志分级的必要性
Android日志系统提供V、D、I、W、E五个级别,网络请求日志应遵循分级原则:
- DEBUG级别:记录请求参数、响应数据等详细信息
- INFO级别:记录关键节点(请求开始/结束)
- ERROR级别:记录异常信息及错误码
public class HttpLogger {
private static final String TAG = "HttpLogger";
public static void d(String message) {
if (BuildConfig.DEBUG) {
Log.d(TAG, message);
}
}
public static void e(String message, Throwable tr) {
Log.e(TAG, message, tr);
}
}
1.2 敏感信息脱敏处理
生产环境日志需避免记录明文密码、token等敏感信息。可采用正则表达式替换:
public static String maskSensitiveInfo(String json) {
// 示例:脱敏token字段
Pattern pattern = Pattern.compile("\"token\":\"[^\"]*\"");
Matcher matcher = pattern.matcher(json);
return matcher.replaceAll("\"token\":\"***\"");
}
1.3 性能关键指标记录
建议记录以下性能指标:
- DNS解析时间
- TCP连接建立时间
- 请求总耗时
- 数据压缩率
二、接口调用代码的标准化实现
2.1 封装基础请求类
public abstract class BaseHttpRequest {
protected String baseUrl;
protected Map<String, String> headers;
public BaseHttpRequest(String baseUrl) {
this.baseUrl = baseUrl;
this.headers = new HashMap<>();
addDefaultHeaders();
}
private void addDefaultHeaders() {
headers.put("Content-Type", "application/json");
headers.put("Accept", "application/json");
}
public abstract void execute();
}
2.2 OkHttp集成最佳实践
public class OkHttpManager {
private static OkHttpClient client;
static {
client = new OkHttpClient.Builder()
.connectTimeout(10, TimeUnit.SECONDS)
.readTimeout(10, TimeUnit.SECONDS)
.writeTimeout(10, TimeUnit.SECONDS)
.addInterceptor(new LoggingInterceptor())
.build();
}
public static Call enqueueRequest(Request request, Callback callback) {
return client.newCall(request).enqueue(callback);
}
}
2.3 请求日志拦截器实现
public class LoggingInterceptor implements Interceptor {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
long startTime = System.nanoTime();
// 打印请求信息
HttpLogger.d(String.format("发送请求: %s %nHeaders:%s",
request.url(),
request.headers()));
Response response = chain.proceed(request);
long endTime = System.nanoTime();
// 打印响应信息
ResponseBody responseBody = response.body();
String responseString = responseBody.string();
HttpLogger.d(String.format("接收响应: %s %n耗时:%dms %n响应:%s",
response.request().url(),
(endTime - startTime) / 1e6d,
maskSensitiveInfo(responseString)));
return response.newBuilder()
.body(ResponseBody.create(responseBody.contentType(), responseString))
.build();
}
}
三、异常处理与重试机制
3.1 异常分类处理
public enum HttpErrorType {
NETWORK_UNAVAILABLE,
TIMEOUT,
SERVER_ERROR,
PARSE_ERROR,
UNKNOWN
}
public static HttpErrorType parseErrorType(Throwable tr) {
if (tr instanceof SocketTimeoutException) {
return TIMEOUT;
} else if (tr instanceof ConnectException) {
return NETWORK_UNAVAILABLE;
} else if (tr instanceof HttpException) {
return SERVER_ERROR;
} else {
return UNKNOWN;
}
}
3.2 指数退避重试策略
public class RetryInterceptor implements Interceptor {
private static final int MAX_RETRY_COUNT = 3;
private static final long INITIAL_DELAY_MS = 1000;
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
int retryCount = 0;
IOException exception = null;
while (retryCount < MAX_RETRY_COUNT) {
try {
Response response = chain.proceed(request);
if (response.isSuccessful()) {
return response;
}
throw new HttpException(response);
} catch (IOException e) {
exception = e;
long delayMs = INITIAL_DELAY_MS * (long) Math.pow(2, retryCount);
Thread.sleep(delayMs);
retryCount++;
}
}
throw exception;
}
}
四、生产环境优化建议
4.1 日志采样策略
public class LogSampler {
private static final double SAMPLE_RATE = 0.1; // 10%采样率
public static boolean shouldLog() {
return Math.random() < SAMPLE_RATE;
}
}
4.2 离线日志存储方案
public class DiskLogWriter {
public static void writeLog(String log) {
ExecutorService executor = Executors.newSingleThreadExecutor();
executor.execute(() -> {
try (FileOutputStream fos = new FileOutputStream("http_logs.txt", true)) {
fos.write((log + "\n").getBytes());
} catch (IOException e) {
HttpLogger.e("写入日志失败", e);
}
});
}
}
五、完整调用示例
public class UserApi {
private static final String USER_API = "/api/user";
public void getUserInfo(String userId, Callback callback) {
HttpUrl url = HttpUrl.parse(baseUrl + USER_API)
.newBuilder()
.addQueryParameter("userId", userId)
.build();
Request request = new Request.Builder()
.url(url)
.get()
.build();
OkHttpManager.enqueueRequest(request, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
HttpErrorType errorType = HttpErrorType.parseErrorType(e);
callback.onFailure(errorType, e.getMessage());
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()) {
UserInfo userInfo = new Gson().fromJson(
response.body().string(),
UserInfo.class);
callback.onSuccess(userInfo);
} else {
callback.onFailure(
HttpErrorType.SERVER_ERROR,
"服务器错误: " + response.code());
}
}
});
}
}
六、进阶优化方向
- 请求合并:相同域名的请求可合并发送
- 缓存策略:实现GET请求的本地缓存
- 多端适配:根据网络状态自动调整超时时间
- 链路追踪:集成TraceID实现全链路日志关联
通过系统化的日志封装和标准化的接口调用实现,可以显著提升Android应用的网络请求稳定性和问题排查效率。建议开发者根据实际业务需求,在上述方案基础上进行定制化扩展。
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