49 lines
3.0 KiB
Markdown
49 lines
3.0 KiB
Markdown
# Subscribe from your phone
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You can use the [ntfy Android App](https://play.google.com/store/apps/details?id=io.heckel.ntfy) to receive
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notifications directly on your phone. Just like the server, this app is also [open source](https://github.com/binwiederhier/ntfy-android).
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Since I don't have an iPhone or a Mac, I didn't make an iOS app yet. I'd be awesome if [someone else could help out](https://github.com/binwiederhier/ntfy/issues/4).
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## Android
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You can get the Android app from both [Google Play](https://play.google.com/store/apps/details?id=io.heckel.ntfy) and
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from [F-Droid](https://f-droid.org/en/packages/io.heckel.ntfy/). Both are largely identical, with the one exception that
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the F-Droid flavor does not use Firebase.
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<a href="https://play.google.com/store/apps/details?id=io.heckel.ntfy"><img src="../../static/img/badge-googleplay.png"></a>
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<a href="https://f-droid.org/en/packages/io.heckel.ntfy/"><img src="../../static/img/badge-fdroid.png"></a>
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### Instant delivery
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Instant delivery is allows you to receive messages on your phone instantly, **even when your phone is in doze mode**, i.e.
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when the screen turns off, and you leave it on the desk for a while. This is achieved with a foreground service, which
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you'll see as a permanent notification that looks like this:
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<figure markdown>
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{ width=500 }
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<figcaption>Instant delivery foreground notification</figcaption>
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</figure>
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Android does not allow you to dismiss this notification, unless you turn off the notification channel in the settings.
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To do so, long-press on the foreground notification (screenshot above) and navigate to the settings. Then toggle the
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"Subscription Service" off:
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<figure markdown>
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{ width=500 }
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<figcaption>Turning off the persistent instant delivery notification</figcaption>
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</figure>
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### Limitations without instant delivery
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Without instant delivery, **messages may arrive with a significant delay** (sometimes many minutes, or even hours later). If you've ever picked up your phone and
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suddenly had 10 messages that were sent long before you know what I'm talking about.
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The reason for this is [Firebase Cloud Messaging (FCM)](https://firebase.google.com/docs/cloud-messaging). FCM is the
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*only* Google approved way to send push messages to Android devices, and it's what pretty much all apps use to deliver push
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notifications. Firebase is overall pretty bad at delivering messages in time, but on Android, most apps are stuck with it.
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The ntfy Android app uses Firebase only for the main host `ntfy.sh`, and only in the Google Play flavor of the app.
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It won't use Firebase for any self-hosted servers, and not at all in the the F-Droid flavor.
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## iPhone/iOS
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I almost feel devious for putting the *Download on the App Store* button on this page. Currently, there is no iOS app
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for ntfy, but it's in the works. You can track the status on GitHub.
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<a href="https://github.com/binwiederhier/ntfy/issues/4"><img src="../../static/img/badge-appstore.png"></a>
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