基在前一篇文章介绍了Adding browser notification,这篇将学习如何创建重复的通知。
创建重复通知
为了实现重复通知,我们必须利用alarm api。这允许我们创建可以在指定时间发起通知。
首先更新manifest.json
,以便获取使用alarm
权限
{
"permissions": ["alarm", "notifications"]
}
定时发起通知需要后台运行的服务,在 v3 manifest,可以注册一个后台服务
{
"background": {
"service_worker": "background.js"
}
}
然后修改App.jsx
export function App() {
const createNotification = () => {
chrome.alarms.create({
periodInMinutes: 1
})
window.close()
}
const stopNotification = () => {
chrome.alarms.clearAll()
window.close()
}
return (
<div className="flex flex-col items-center justify-center w-screen h-auto bg-indigo-400 p-4">
<button
className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 text-2xl px-4 rounded"
onClick={createNotification}
>
Motivate me 🎉
</button>
<br />
<button
className="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 text-2xl px-4 rounded"
onClick={stopNotification}
>
Stop motivating me 😅
</button>
</div>
)
}
修改background.js
chrome.alarms.onAlarm.addListener(() => {
chrome.notifications.create({
type: 'basic',
iconUrl: 'icons/icon-48.png',
title: 'Hi there 👋',
message: 'Just a reminder that you rock!',
buttons: [{title: 'I know ☺️'}],
priority: 0
})
})
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