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Merge pull request #3691 from vovcia-clug/master
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A Tea Timer application
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thyttan authored Dec 14, 2024
2 parents f964405 + 80173b9 commit 6e11c56
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2 changes: 2 additions & 0 deletions apps/ateatimer/ChangeLog
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0.01: First release
0.02: Fix icon, utilize sched, show running timer on app relaunch
1 change: 1 addition & 0 deletions apps/ateatimer/app-icon.js

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156 changes: 156 additions & 0 deletions apps/ateatimer/app.js
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// Tea Timer Application for Bangle.js 2 using sched library

let timerDuration = (() => {
let file = require("Storage").open("ateatimer.data", "r");
let data = file.read(4); // Assuming 4 bytes for storage
return data ? parseInt(data, 10) : 4 * 60; // Default to 4 minutes
})();
let timeRemaining = timerDuration;
let timerRunning = false;

function saveDefaultDuration() {
let file = require("Storage").open("ateatimer.data", "w");
file.write(timerDuration.toString());
}

function drawTime() {
g.clear();
g.setFont("Vector", 40);
g.setFontAlign(0, 0); // Center align

const minutes = Math.floor(Math.abs(timeRemaining) / 60);
const seconds = Math.abs(timeRemaining) % 60;
const sign = timeRemaining < 0 ? "-" : "";
const timeStr = `${sign}${minutes}:${seconds.toString().padStart(2, '0')}`;

g.drawString(timeStr, g.getWidth() / 2, g.getHeight() / 2);

// Draw Increase button (triangle pointing up)
g.fillPoly([
g.getWidth() / 2, g.getHeight() / 2 - 80, // Top vertex
g.getWidth() / 2 - 20, g.getHeight() / 2 - 60, // Bottom-left vertex
g.getWidth() / 2 + 20, g.getHeight() / 2 - 60 // Bottom-right vertex
]);

// Draw Decrease button (triangle pointing down)
g.fillPoly([
g.getWidth() / 2, g.getHeight() / 2 + 80, // Bottom vertex
g.getWidth() / 2 - 20, g.getHeight() / 2 + 60, // Top-left vertex
g.getWidth() / 2 + 20, g.getHeight() / 2 + 60 // Top-right vertex
]);

g.flip();
}

function startTimer() {
if (timerRunning) return;
if (timeRemaining == 0) return;
timerRunning = true;

// Save the default duration on timer start
timerDuration = timeRemaining;
saveDefaultDuration();
scheduleTimer();

// Start the secondary timer to update the display
setInterval(updateDisplay, 1000);
}

function scheduleTimer() {
// Schedule a new timer using the sched library
require("sched").setAlarm("ateatimer", {
msg: "Tea is ready!",
timer: timeRemaining * 1000, // Convert to milliseconds
vibrate: ".." // Default vibration pattern
});

// Ensure the scheduler updates
require("sched").reload();
}

function resetTimer() {
// Cancel the existing timer
require("sched").setAlarm("ateatimer", undefined);
require("sched").reload();

timerRunning = false;
timeRemaining = timerDuration;
drawTime();
}

function adjustTime(amount) {
if (-amount > timeRemaining) {
// Return if result will be negative
return;
}
timeRemaining += amount;
timeRemaining = Math.max(0, timeRemaining); // Ensure time doesn't go negative
if (timerRunning) {
// Update the existing timer with the new remaining time
let alarm = require("sched").getAlarm("ateatimer");
if (alarm) {
// Cancel the current alarm
require("sched").setAlarm("ateatimer", undefined);

// Set a new alarm with the updated time
scheduleTimer();
}
}

drawTime();
}

function handleTouch(x, y) {
const centerY = g.getHeight() / 2;

if (y < centerY - 40) {
// Increase button area
adjustTime(60);
} else if (y > centerY + 40) {
// Decrease button area
adjustTime(-60);
} else {
// Center area
if (!timerRunning) {
startTimer();
}
}
}

// Function to update the display every second
function updateDisplay() {
if (timerRunning) {
let alarm = require("sched").getAlarm("ateatimer");
timeRemaining = Math.floor(require("sched").getTimeToAlarm(alarm) / 1000);
drawTime();
if (timeRemaining <= 0) {
timeRemaining = 0;
clearInterval(updateDisplay);
timerRunning = false;
}
}
}

// Handle physical button press for resetting timer
setWatch(() => {
if (timerRunning) {
resetTimer();
} else {
startTimer();
}
}, BTN1, { repeat: true, edge: "falling" });

// Handle touch
Bangle.on("touch", (zone, xy) => {
handleTouch(xy.x, xy.y, false);
});

let isRunning = require("sched").getAlarm("ateatimer");
if (isRunning) {
timerRunning = true;
// Start the timer to update the display
setInterval(updateDisplay, 1000);
} else {
// Draw the initial timer display
drawTime();
}
1 change: 1 addition & 0 deletions apps/ateatimer/app.json
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{ "duration": 240 }
Binary file added apps/ateatimer/app.png
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14 changes: 14 additions & 0 deletions apps/ateatimer/metadata.json
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{ "id": "ateatimer",
"name": "A Tea Timer",
"shortName":"A Tea Timer",
"icon": "app.png",
"version":"0.02",
"description": "Simple app for setting timers for tea. Touch up and down to change time, and time or button to start counting. When timer is running, button will stop timer and reset counter to last used value.",
"tags": "timer",
"supports": ["BANGLEJS2"],
"storage": [
{"name":"ateatimer.app.js","url":"app.js"},
{"name":"ateatimer.img","url":"app-icon.js","evaluate":true}
],
"dependencies": {"scheduler":"type"}
}

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