The request body data added in the NetworkInterceptor was found not included in the capture by Charles.

[wuliSlash]

RequestBody formBody = new FormBody.Builder()
                .add("key1", "value1")
                .add("key2", "value2")
                .build();
        Request request = new Request.Builder().url(postUrl).post(formBody).build();
        OkHttpClient client = new OkHttpClient();
        OkHttpClient.Builder builder = client.newBuilder();
        builder.addInterceptor(new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request2 = chain.request();
                Request realRequest = request2.newBuilder().addHeader("testHeader2","value2").build();
                RequestBody originalRequestBody = realRequest.body();
                if (originalRequestBody instanceof FormBody) {
                    FormBody originalFormBody = (FormBody) originalRequestBody;
                    FormBody.Builder newFormBodyBuilder = new FormBody.Builder();
                    for (int i = 0; i < originalFormBody.size(); i++) {
                        newFormBodyBuilder.add(originalFormBody.name(i), originalFormBody.value(i));
                    }
                    newFormBodyBuilder.add("custom_key1", "custom_value1");
                    Request newRequest = realRequest.newBuilder()
                            .method(realRequest.method(), newFormBodyBuilder.build())
                            .build();

                    return chain.proceed(newRequest);
                }
                return chain.proceed(realRequest);
            }
        });
        builder.addNetworkInterceptor(new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request3 = chain.request();
                Request realRequest = request3.newBuilder().addHeader("testHeader3","value3").build();
                RequestBody originalRequestBody = realRequest.body();
                if (originalRequestBody instanceof FormBody) {
                    FormBody originalFormBody = (FormBody) originalRequestBody;
                    FormBody.Builder newFormBodyBuilder = new FormBody.Builder();
                    for (int i = 0; i < originalFormBody.size(); i++) {
                        newFormBodyBuilder.add(originalFormBody.name(i), originalFormBody.value(i));
                    }
                    newFormBodyBuilder.add("custom_key2", "custom_value2");
                    Request newRequest = realRequest.newBuilder()
                            .method(realRequest.method(), newFormBodyBuilder.build())
                            .build();
                    return chain.proceed(newRequest);
                }
                return chain.proceed(realRequest);
            }
        });
        client = builder.build();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
            }
        });`
![Uploading 截屏2024-04-07 00.27.56.png…]()

[swankjesse]

Thanks for your question. This issue tracker is only for bug reports with test cases and feature requests. Please ask usage questions on Stack Overflow.
https://stackoverflow.com/questions/tagged/okhttp