PostRequest.java

package com.aaronvigal.reconclient;

import android.os.StrictMode;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

//import org.apache.commons.lang3.StringEscapeUtils.escapeHtml4;

public class PostRequest {

    public String makeRequest() {

        try {
            // Disable Strict Mode
            if (android.os.Build.VERSION.SDK_INT > 9) {
                StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
                StrictMode.setThreadPolicy(policy);
            }

            HttpURLConnection con = (HttpURLConnection) new URL("http://requestb.in/opmp57op").openConnection();
            con.setRequestMethod("POST");
            con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

//            Base 64 encode image
//            String b64 = escapeHtml4(Base64.encode(FileUtils.readFileToByteArray()));
//            https://stackoverflow.com/questions/1265282/recommended-method-for-escaping-html-in-java
//            https://stackoverflow.com/questions/30259141/how-to-add-apache-commons-collections-in-android-studio-gradle/
//            https://stackoverflow.com/questions/10226046/java-convert-image-to-base64
//            https://stackoverflow.com/questions/16439587/android-os-networkonmainthreadexception-with-android-4-2
//            https://stackoverflow.com/questions/32858061/android-send-https-post-request-to-the-server-without-deprecated-metods

            DataOutputStream wr = new DataOutputStream(con.getOutputStream());
            wr.writeBytes("b64=blahblahblah&g=");
            wr.flush();
            wr.close();

            System.out.println("----------------------------------------------------------------");
            System.out.println("\nSending 'POST' request to URL: " + "https://requestb.in/111ijno1");
            System.out.println("Post parameters : " + "b64=blahblahblah&g=");
            System.out.println("Response Code : " + con.getResponseCode());

            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();

            System.out.println(response.toString());
            System.out.println("----------------------------------------------------------------");
            return response.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";


    }
}