كيفية جدولة رسالة SMS في Kotlin

package send.scheduledsms

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import Ozeki.Libs.Rest.Configuration
import Ozeki.Libs.Rest.MessageApi
import Ozeki.Libs.Rest.Message
import android.text.method.ScrollingMovementMethod
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val inputToAddress:android.widget.EditText = findViewById(R.id.inputToAddress)
        val inputMessage:android.widget.EditText = findViewById(R.id.inputMessage)
        val date:android.widget.EditText = findViewById(R.id.inputTimeToSendDate)
        val time:android.widget.EditText = findViewById(R.id.inputTimeToSendTime)
        val btnSendRequest:android.widget.Button = findViewById(R.id.btnSendRequest)
        val logBox:android.widget.TextView = findViewById(R.id.logBox)
        logBox.movementMethod = ScrollingMovementMethod()


        val configuration = Configuration(
            username = "http_user",
            password = "qwe123",
            apiurl = "http://10.0.2.2:9509/api"
        )

        val api = MessageApi(configuration)

        btnSendRequest.setOnClickListener {
            if (inputToAddress.text.toString() != "" && inputMessage.text.toString() != ""
                && date.text.toString() != "" && time.text.toString() != "") {
                val datetime = String.format("%s %s", date.text.toString(), time.text.toString())
                val msg = Message()
                msg.ToAddress = inputToAddress.text.toString()
                msg.Text = inputMessage.text.toString()
                msg.TimeToSend = datetime
                GlobalScope.launch(Dispatchers.IO) {
                    val response = api.Send(msg)
                    logBox.text = String.format("%s\n%s", logBox.text, response.toString())
                }
                inputToAddress.text.clear()
                inputMessage.text.clear()
                date.text.clear()
                time.text.clear()
            }
        }

    }
}
	

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btnSendRequest"
        android:layout_width="320dp"
        android:layout_height="50dp"
        android:layout_marginTop="36dp"
        android:text="إرسال"
        android:backgroundTint="#FF3F3F"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.494"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/logBox" />

    <TextView
        android:id="@+id/textToAddress"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="36dp"
        android:text="إلى العنوان:"
        android:textSize="20sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textMessage"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="الرسالة:"
        android:textSize="20sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.505"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/inputToAddress" />

    <TextView
        android:id="@+id/textWhen"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="وقت الإرسال:"
        android:textSize="20sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.494"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/inputMessage" />

    <EditText
        android:id="@+id/inputToAddress"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:ems="10"
        android:hint="+36201111111"
        android:inputType="textPersonName"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.505"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textToAddress" />

    <EditText
        android:id="@+id/inputMessage"
        android:layout_width="320dp"
        android:layout_height="100dp"
        android:layout_marginTop="20dp"
        android:ems="10"
        android:gravity="start|top"
        android:hint="مرحبًا بالعالم!"
        android:inputType="textMultiLine"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.505"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textMessage" />

    <EditText
        android:id="@+id/inputTimeToSendTime"
        android:layout_width="120dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="44dp"
        android:ems="10"
        android:hint="15:30:00"
        android:inputType="time"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textWhen" />

    <TextView
        android:id="@+id/logBox"
        android:layout_width="320dp"
        android:layout_height="80dp"
        android:layout_marginTop="20dp"
        android:scrollbars="vertical"
        android:text="السجلات:"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.505"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/inputTimeToSendTime" />

    <EditText
        android:id="@+id/inputTimeToSendDate"
        android:layout_width="180dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="24dp"
        android:ems="10"
        android:hint="2021-06-16"
        android:inputType="date"
        app:layout_constraintEnd_toStartOf="@+id/inputTimeToSendTime"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textWhen" />
</androidx.constraintlayout.widget.ConstraintLayout>
	

http://127.0.0.1:9509/api?action=rest
	

var usernamePassword = "%s:%s".format(username, password)
return "Basic %s".format(Base64.getEncoder().encodeToString(usernamePassword.toByteArray()))
	

Content-Type: application/json
Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
	

POST /api?action=sendmsg HTTP/1.1
Connection: Keep-Alive
Content-Length: 320
Content-Type: application/json; charset=utf-8
Accept-Encoding: gzip
Authorization: Basic aHR0cF91c2VyOnF3ZTEyMw==
Host: 10.0.2.2:9509
User-Agent: okhttp/4.2.2

{
	"messages":	[
		{
			"message_id":	"e68f8e11-dce2-48e2-a2c5-1d2efa98272a",
			"to_address":	"+36201111111",
			"text":	"مرحبًا بالعالم!",
			"create_date":	"2021-06-17T15:04:03",
			"valid_until":	"2021-06-24T15:04:03",
			"time_to_send":	"2021-06-17 15:10:00",
			"submit_report_requested":	true,
			"delivery_report_requested":	true,
			"view_report_requested":	true
		}
	]
}
	

HTTP/1.1 200 OK
User-Agent: OZEKI 10.3.120 (www.myozeki.com)
Content-Type: application/json; charset=utf8
Last-Modified: Thu, 17 Jun 2021 14:56:26 GMT
Server: 10/10.3.120
Transfer-Encoding: chunked

{
	"http_code": 200,
	"response_code": "SUCCESS",
	"response_msg": "Messages queued for delivery.",
	"data": {
	  "total_count": 1,
	  "success_count": 1,
	  "failed_count": 0,
	  "messages": [
	    {
	      "message_id": "e68f8e11-dce2-48e2-a2c5-1d2efa98272a",
	      "from_station": "%",
	      "to_address": "+36201111111",
	      "to_station": "%",
	      "text": "Hello world!",
	      "create_date": "2021-06-17 15:04:03",
	      "valid_until": "2021-06-24 15:04:03",
	      "time_to_send": "2021-06-17 15:10:00",
	      "submit_report_requested": true,
	      "delivery_report_requested": true,
	      "view_report_requested": false,
	      "tags": [
	        {
	          "name": "Type",
	          "value": "SMS:TEXT"
	        }
	      ],
	      "status": "SUCCESS"
	    }
	  ]
	}
}
	

implementation "com.squareup.okhttp3:okhttp:4.2.2"
implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0'
implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
	

<uses-permission android:name="android.permission.INTERNET" />
	

android:usesCleartextTraffic="true"