diff --git a/main.kt b/main.kt
new file mode 100644
index 0000000..d193a1a
--- /dev/null
+++ b/main.kt
@@ -0,0 +1,176 @@
+package com.example.appimage
+
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.Color
+import android.os.AsyncTask
+import android.os.Bundle
+import android.util.Base64
+import android.util.JsonReader
+import android.util.Log
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ImageView
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import org.json.JSONObject
+import org.json.JSONStringer
+import org.xml.sax.Parser
+import java.io.BufferedReader
+import java.io.InputStream
+import java.io.InputStreamReader
+import java.lang.Exception
+import java.lang.StringBuilder
+import java.net.HttpURLConnection
+import java.net.URL
+import java.net.URLEncoder
+
+
+class MainActivity : AppCompatActivity() {
+
+    var urlRes : String = ""
+    var urlConfirm : String = ""
+    var btnShowImage1: Button? = null
+    var btnShowImage2: Button? = null
+    var im1: ImageView? = null
+    var im2: ImageView? = null
+
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        btnShowImage1 = findViewById<Button>(R.id.btnShowImage1)
+        btnShowImage2 = findViewById<Button>(R.id.btnShowImage2)
+        im1 = findViewById(R.id.im1)
+        im2 = findViewById(R.id.im2)
+
+        btnShowImage1!!.isEnabled = false
+        btnShowImage2!!.isEnabled = false
+
+        btnShowImage1!!.setOnClickListener {
+            var url = urlRes + "1&timeout=6"
+//            Log.d("URL : ", url)
+            sendAPIDetail(url)
+        }
+
+        btnShowImage2!!.setOnClickListener {
+            Log.d("urlConfirm : ", urlConfirm)
+            sendAPIDetail(urlConfirm)
+        }
+    }
+
+    fun sendAPIDetail(url: String) {
+        var readContentURL: ReadContentURL = ReadContentURL()
+        readContentURL.execute(url)
+    }
+
+    fun onConnect(view: View) {
+        var textID = findViewById<EditText>(R.id.edEnterID);
+        var id = textID.text.toString()
+        var url = "http://192.168.3.94:5000/get-ip-box?id=" + id
+        this.sendAPIDetail(url)
+    }
+
+
+    inner class ReadContentURL : AsyncTask<String, Void, String> () {
+
+        var content: String = String()
+        var url : URL? = null
+        var urlConnection: HttpURLConnection? = null
+        var inputStream : InputStream? = null
+        var inputStreamReader : InputStreamReader? = null
+        var bufferedReader: BufferedReader? = null
+        var line: String = ""
+
+
+        override fun onPreExecute() {
+            super.onPreExecute()
+        }
+
+        override fun doInBackground(vararg params: String?): String {
+            try {
+
+                url = URL(params[0])
+                urlConnection = url!!.openConnection() as HttpURLConnection
+                inputStream = urlConnection!!.inputStream
+                inputStreamReader = InputStreamReader(inputStream)
+                bufferedReader = BufferedReader(inputStreamReader)
+                try {
+                    do {
+                        line = bufferedReader!!.readLine()
+                        if (line != null) {
+                            content += line
+
+                        }
+                    } while (line != null)
+                } catch (e:Exception) {
+                    Log.d("AAA", e.toString())
+                }
+                return content
+            } catch (e: Exception) {
+                Log.d("ERROR:", e.toString())
+            }finally {
+                bufferedReader!!.close()
+                inputStreamReader!!.close()
+                inputStream!!.close()
+                urlConnection!!.disconnect()
+            }
+            return "{\"error\":\"1001\"}"
+        }
+
+        override fun onPostExecute(result: String?) {
+            super.onPostExecute(result)
+            btnShowImage2!!.isEnabled = false
+            try {
+                var obj = JSONObject(result.toString())
+                if (obj.has("url")) {
+                    urlRes = obj["url"].toString()
+                    btnShowImage1!!.isEnabled = true
+                }
+                else if (obj.has("data")) {
+                    var jArray = obj.getJSONArray("data")
+                    var code = obj["code"]
+//                    Log.d("Code : ", code.toString())
+                    for (i in 0 until jArray.length())
+                    {
+                        val row = jArray.getJSONObject(i)
+                        var base64 = row.getString("base64")
+                        var type = row.getString("type")
+                        if(type == "CD" && (code.toString() == "1" || code.toString() != "2")) {
+                            im1!!.setImageBitmap(decodeBase64(base64))
+                        }
+                        if (type == "MT" && (code.toString() == "1" || code.toString() != "3")) {
+                            im2!!.setImageBitmap(decodeBase64(base64))
+                        }
+                    }
+
+                    if (code.toString() == "2") {
+                        btnShowImage2!!.isEnabled = true
+                        urlConfirm = urlRes + "2&timeout=6"
+                        im1!!.setImageResource(android.R.color.transparent)
+                        Toast.makeText(this@MainActivity, "Lỗi khi chụp chân dung", Toast.LENGTH_SHORT).show()
+                    } else if (code.toString() == "3") {
+                        btnShowImage2!!.isEnabled = true
+                        urlConfirm = urlRes + "3&timeout=6"
+                        im2!!.setImageResource(android.R.color.transparent)
+                        Toast.makeText(this@MainActivity, "Lỗi khi chụp chứng minh thư", Toast.LENGTH_SHORT).show()
+                    }
+                }
+            } catch (e : Exception) {
+                Toast.makeText(this@MainActivity, "Lỗi...", Toast.LENGTH_LONG).show()
+//                btnShowImage2!!.isEnabled = false
+                im1!!.setImageResource(android.R.color.transparent)
+                im2!!.setImageResource(android.R.color.transparent)
+            }
+        }
+
+        fun decodeBase64(input: String): Bitmap {
+            val decodedBytes = Base64.decode(input, 0)
+            return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.size)
+        }
+    }
+}
+