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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unable to reflect response in android app using appium and Java","articleBody":"I am using below configuration. \r\n1. Installed MITM certificate on my emulator.\r\n2. Installed MITM proxy, websocket and other related dependecy as mentioned in appiumPro [article](https://appiumpro.com/editions/65-capturing-network-traffic-in-java-with-appium)\r\n\r\nPart of code dealing with proxy is as per below\r\n      `\r\n      List\u003cInterceptedMessage\u003e messages = new ArrayList\u003c\u003e();\r\n\r\n        // remember to set local OS proxy settings in the Network Preferences\r\n        proxy = new MitmproxyJava(\"C:\\\\Python311\\\\Scripts\\\\mitmdump.exe\", (InterceptedMessage m) -\u003e {\r\n            if(\r\n\r\n                    m.getRequest().getUrl().toString().toLowerCase().startsWith(apiURL.toLowerCase()) \u0026\u0026\r\n                    m.getRequest().getMethod().equalsIgnoreCase(\"post\")\u0026\u0026\r\n                    getJsonObject(new String(m.getRequest().getBody())).hasNonNull(\"operationName\")\u0026\u0026\r\n                    getJsonObject(new String(m.getRequest().getBody())).get(\"operationName\").asText().equalsIgnoreCase(\"getPharamcyTATInfo\")\r\n            )\r\n            {\r\n\r\n                    JsonNode responseBodyJson = getJsonObject(new String(m.getResponse().getBody()));\r\n                    String modifiedResp = updateValuesInJson(responseBodyJson.toString(),\r\n                            \"data.getSkuInfo.tatInfo.tatResponse.inventoryExist\",false,\r\n                            \"data.getSkuInfo.tatInfo.tatResponse.items[0].exist\",false);\r\n                    m.getResponse().setBody(modifiedResp.getBytes(StandardCharsets.UTF_8));\r\n                    m.getResponse().getHeaders().add(new String[]{\"My Test Resp Header\",\"Header Value\"});\r\n                    messages.add(m);\r\n            }\r\n            return m;\r\n        });\r\n        proxy.start();\r\n\r\n        login(initializeDriver(testMethod),credentialManager);\r\n`\r\n\r\nnow I have printed the intercepted message and modified response. but the app is still receiving the unmodified request. \r\nwhen I do below\r\n`\r\nmessages.forEach(\r\n                x-\u003e{\r\n                    LOGGER.info(\"########Request Operation : \"+x.toString() +getJsonObject(new String(x.getRequest().getBody())).get(\"operationName\"));\r\n                    LOGGER.info(\"########### Response Body :\" +new String(x.getResponse().getBody()));\r\n                }\r\n\r\n        );`\r\ni see the proper response (modified one), this response never made it app, it is still showing the normal behaviour.\r\n\r\nP.S. the app is Android native app\r\nPlease advice","author":{"url":"https://github.com/ashuaviator1987","@type":"Person","name":"ashuaviator1987"},"datePublished":"2023-02-14T16:44:09.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/17/mitmproxy-java/issues/17"}