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Question

I am making an app that needs to be run in the background. It is basically a reminder after every x hours, While I am on the app the app send the notification without any issue, but as soon as I get out of it, nothing is running anymore.
I am very new to Tizen development. Any help is appreciated. Here is my config.xml. Also, I do not have any service running as I do not know how to.

I have the app running, I tried running a service but I do not even know how to do that. So I ended up adding background-category in the config.xml.

<?xml version="1.0" encoding="UTF-8"?>
<widget xmlns="http://www.w3.org/ns/widgets"
    xmlns:tizen="http://tizen.org/ns/widgets"
    id="http://yourdomain/Interval"
    version="1.0.0"
    viewmodes="maximized">
    <tizen:application id="UmkARFYyuP.Interval" package="UmkARFYyuP" required_version="7.0"/>
    <content src="index.html"/>
    <feature name="http://tizen.org/feature/screen.size.all"/>
    <icon src="icon.png"/>
    <name>Interval</name>
    <tizen:privilege name="http://tizen.org/privilege/power"/>
    <tizen:privilege name="http://tizen.org/privilege/application.launch"/>
    <tizen:privilege name="http://tizen.org/privilege/systemsettings"/>
    <tizen:privilege name="http://tizen.org/privilege/alarm"/>
    <tizen:privilege name="http://tizen.org/privilege/notification"/>
    <tizen:profile name="wearable"/>
    <tizen:background-category value="media" />
</widget>

Main.js

document.addEventListener('DOMContentLoaded', function () {
    var taskForm = document.getElementById('taskForm');
    var stopButton = document.getElementById('stopButton');
    var message = document.getElementById('message');
    var intervalId;

    taskForm.addEventListener('submit', function (e) {
        e.preventDefault();
        if (intervalId) {
            clearInterval(intervalId);
        }

        var taskName = document.getElementById('taskName').value;
        var interval = parseInt(document.getElementById('interval').value);

        var intervalMs = interval * 1000; // Convert to milliseconds

        message.textContent = `Reminder for ${taskName} set every ${interval} seconds`;

        intervalId = setInterval(function () {
            try {
                // Turn on the screen
                tizen.power.turnScreenOn();

                // Vibrate the device
                navigator.vibrate(1000); // Vibrate for 1 second

                // Create the notification properties
                var notificationDict = {
                    content: `Time to do: ${taskName}`,
                    vibration: true,
                    iconPath: "icon.png" // Optional: Set a path to your app's icon
                };

                // Create and post the notification
                var notification = new tizen.UserNotification('SIMPLE', 'Task Reminder', notificationDict);
                tizen.notification.post(notification);

            } catch (error) {
                console.error("Error: " + error.message);
            }
        }, intervalMs);
    });

    stopButton.addEventListener('click', function () {
        if (intervalId) {
            clearInterval(intervalId);
            message.textContent = 'Reminder stopped';
        }
    });
});

Index.html

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width, user-scalable=no">
    <title>Task Reminder</title>
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
    <div class="container">
        <h1>Task Reminder</h1>
        <form id="taskForm">
            <label for="taskName">Task Name:</label>
            <input type="text" id="taskName" required>
            
            <label for="interval">Remind Every (seconds):</label>
            <input type="number" id="interval" min="1" required>

            <button type="submit">Start</button>
            <button type="button" id="stopButton">Stop</button>
        </form>
        <p id="message"></p>
    </div>
    <script src="js/main.js"></script>
</body>
</html>

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Danh mục

Running tizen app in the background and vibrate the watch every hour or so