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<!--
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~ SPDX-FileCopyrightText: 2018-2024 Nextcloud GmbH and Nextcloud contributors
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~ SPDX-License-Identifier: GPL-3.0-or-later
|
||||
-->
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### Background
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The configuration of Nextcloud Talk mainly depends on your desired usage:
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||||
- As long as it shall be used only **within one local network**, nothing should be needed at all. Just verify that all browsers support the underlying [WebRTC](https://en.wikipedia.org/wiki/WebRTC) protocol (all famous ones do on current versions) and you should be good to go.
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- Talk tries to establish a direct [peer-to-peer (P2P)](https://en.wikipedia.org/wiki/Peer-to-peer) connection, thus on connections **throughout the local network** (behind a [NAT](https://en.wikipedia.org/wiki/Network_address_translation)/router), clients do not only need to know each others public IP, but their local IP as well. Processing this, is the job of a [STUN](https://en.wikipedia.org/wiki/STUN) server. As there is one preconfigured for Nextcloud Talk, still nothing need to be done.
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- In some cases, e.g. **in combination with firewalls or [symmetric NAT](https://en.wikipedia.org/wiki/Network_address_translation#Symmetric_NAT)** a STUN server will not work as well, and then a so called [TURN](https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT) server is needed. Now no direct P2P connection is established, but all traffic is relayed through the TURN server, thus additional (at least internal) traffic and resources are needed.
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- Nextcloud Talk will try direct P2P in the first place, use STUN if needed and TURN as last resort fallback. Thus to be most flexible and guarantee functionality of your Nextcloud Talk instance in all possible connection cases, you most properly want to setup a TURN server.
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### Install and setup _coturn_ as TURN server
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1. **Download/install**
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- On **Debian and Ubuntu** there are official repository packages available:
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`sudo apt install coturn`
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- For **Fedora**, an official package it is planned, as far as I can see. For this **and other** cases check out: https://github.com/coturn/coturn/wiki/Downloads
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2. **Make coturn run as daemon on startup**
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- On **Debian and Ubuntu** you just need to enable the deployed init.d service by adjusting the related environment variable:
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- `sudo sed -i '/TURNSERVER_ENABLED/c\TURNSERVER_ENABLED=1' /etc/default/coturn`
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- On **Debian Buster** the most current package update implements a systemd unit, which does not use `/etc/default/coturn` but is enabled automatically after install. To check whether a systemd unit is available:
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- `ls -l /lib/systemd/system/coturn.service`
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- On **other OS/distributions**, if you installed coturn manually, you may want to setup an init.d/systemd unit or use another method to run the following during boot:
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- `/path/to/turnserver -c /path/to/turnserver.conf -o`
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- `-o` starts the server in daemon mode, `-c` defines the path to the config file.
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3. **Configure _turnserver.conf_ for usage with Nextcloud Talk**
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At last you need to adjust the TURN servers configuration file to work with Nextcloud Talk. On Debian and Ubuntu, it can be found at `/etc/turnserver.conf`. The configuration depends on if you want to use TLS for secure connection or not. You may want to start without TLS for testing and then switch, if everything is working fine:
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- **Without TLS** uncomment/adjust the following settings. Choose the listening port, e.g. `3478` (default for non-TLS) or `5349` (default for TLS) and an authentication secret, where a random hex is recommended: `openssl rand -hex 32`:
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listening-port=<yourChosenPortNumber>
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fingerprint
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use-auth-secret
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static-auth-secret=<yourChosen/GeneratedSecret>
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realm=your.domain.org
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total-quota=100
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bps-capacity=0
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stale-nonce
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no-loopback-peers
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no-multicast-peers
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- **With TLS** you need to provide the path to your certificate and key files as well and it is highly recommended to adjust the cipher list:
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tls-listening-port=<yourChosenPortNumber>
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fingerprint
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use-auth-secret
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static-auth-secret=<yourChosen/GeneratedSecret>
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realm=your.domain.org
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total-quota=100
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bps-capacity=0
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stale-nonce
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cert=/path/to/your/cert.pem
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pkey=/path/to/your/privkey.pem
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cipher-list="ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AES:RSA+3DES:!ADH:!AECDH:!MD5"
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no-loopback-peers
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no-multicast-peers
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Note that in case of TLS you only need to set `tls-listening-port`, otherwise only `listening-port`. Nextcloud Talk uses a single port only, thus the _alternative_ ports offered by the settings file can be ignored.
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I added a working cipher example here that is also used within most other guides. But it makes totally sense to **use the cipher-list from your Nextcloud webserver** to have the same compatibility versus security versus performance for both.
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If you want it damn secure, you can also configure a custom [Diffie-Hellman](https://en.wikipedia.org/wiki/Diffie–Hellman_key_exchange) file and/or disable TLSv1.0 + TLSv1.1. But again, it does not make much sense for my impression to handle it different here than for Nextcloud itself. Just decide how much compatibility you need and security/performance you want and configure webserver + coturn the same:
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dh-file=/path/to/your/dhparams.pem
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no-tlsv1
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no-tlsv1_1
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- If your TURN server is running **not behind a NAT**, but with direct www connection and **static public IP**, than you can limit the IPs it listens and answers by setting those as `listening-ip` and `relay-ip`. On larger deployments it is recommended to run your TURN server on a dedicated machine that is directly accessible from the internet.
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- The following settings can be used to adjust the **logging behaviour**. On SBCs with SDcards you may want to adjust this, as by default coturn logs veeery much :wink:. The config file explains everything very well:
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no-stdout-log
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log-file=...
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syslog
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simple-log
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4. `sudo systemctl restart coturn` or corresponding restart method
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5. **Configure Nextcloud Talk to use your TURN server**
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Go to Nextcloud admin panel > Talk settings. Btw. if you already have your own TURN server, you can and may want to use it as STUN server as well:
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STUN servers: your.domain.org:<yourChosenPortNumber>
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TURN server: your.domain.org:<yourChosenPortNumber>
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TURN secret: <yourChosen/GeneratedSecret>
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UDP and TCP
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Do not add `http(s)://` here, this causes errors, the protocol is simply a different one. Also `turn:` or something as prefix is not needed. Just enter the bare `domain:port`.
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6. **Port opening/forwarding**\
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The TURN server on `<yourChosenPortNumber>` needs to be available for all Talk participants, so you need to open it to the web and if your TURN server is running **behind a NAT**, forward it to the related machine.
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### What else
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Nextcloud Talk is still based on the Spreed video calls app (just got renamed on last major update) and thus the Spreed.ME WebRTC solution. For this reason all guides about how to configure coturn for one of them, applies to all of them.
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**Futher reference**
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- https://github.com/spreedbox/spreedbox/wiki/Use-TURN-server
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- https://github.com/nextcloud/spreed/issues/667
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**Thanks to** @fancycode and @mario for some clarifications about all of this and if you don't mind, please review the HowTo for possible mistakes or wrong understandings.
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Thanks as well to @sushidave for motivating me to write this HowTo :slightly_smiling_face:.
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# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
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docs/ignoreBatteryOptimizationSelectAllApps.png
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|
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2
docs/ignoreBatteryOptimizationSelectAllApps.png.license
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2
docs/ignoreBatteryOptimizationSelectAllApps.png.license
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|
|
@ -0,0 +1,2 @@
|
|||
# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
BIN
docs/ignoreBatteryOptimizationTurnOffSwitch.png
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BIN
docs/ignoreBatteryOptimizationTurnOffSwitch.png
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|
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2
docs/ignoreBatteryOptimizationTurnOffSwitch.png.license
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2
docs/ignoreBatteryOptimizationTurnOffSwitch.png.license
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
BIN
docs/notificationSettingsExample.png
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BIN
docs/notificationSettingsExample.png
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|
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2
docs/notificationSettingsExample.png.license
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2
docs/notificationSettingsExample.png.license
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|
|
@ -0,0 +1,2 @@
|
|||
# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
160
docs/notifications.md
Normal file
160
docs/notifications.md
Normal file
|
|
@ -0,0 +1,160 @@
|
|||
<!--
|
||||
~ SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
~ SPDX-License-Identifier: GPL-3.0-or-later
|
||||
-->
|
||||
# Debugging push notifications
|
||||
|
||||
This list is intended to help users that have problems to receive talk notifications on their android phone. It may
|
||||
not be complete. Please contribute to this list as you gain new knowledge. Just create an issue with the
|
||||
"notification" label or create a pull request for this document.
|
||||
|
||||
## 📱 Users
|
||||
- Please make sure to install the app from the Google PlayStore. **The f-droid version doesn't support push
|
||||
notifications.**
|
||||
|
||||
[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
|
||||
alt="Download from Google Play"
|
||||
height="80">](https://play.google.com/store/apps/details?id=com.nextcloud.talk2)
|
||||
|
||||
- Only talk notifications will be delivered by the Talk app, for all other notifications install the Nextcloud Files
|
||||
app from Google PlayStore.
|
||||
|
||||
[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
|
||||
alt="Download from Google Play"
|
||||
height="80">](https://play.google.com/store/apps/details?id=com.nextcloud.client)
|
||||
|
||||
If your problem still occurs after checking all these hints, create an issue at https://github.com/nextcloud/talk-android/issues
|
||||
|
||||
### 🤖 Check android settings
|
||||
|
||||
First of all, please make sure that the following requirements are met:
|
||||
|
||||
- Check that your phone has internet access
|
||||
|
||||
- Check that your phone is not in "do not disturb" mode
|
||||
|
||||
#### Grant permissions on install
|
||||
|
||||
After the installation of Nextcloud Talk Android, dialogs appear asking you to grant the permissions.
|
||||
Please note that the dialogs only appear once to respect the first decision of the users.
|
||||
Depending on the Android version, only the dialogs appear that are necessary.
|
||||
|
||||
##### Grant notification permission
|
||||
|
||||
A dialog to enable notification permissions after install will only be shown for Android 13 and upwards. For older
|
||||
Android versions notifications have to be enabled in the AppInfo settings.
|
||||
|
||||
|
||||
|
||||
##### Ignore battery optimization
|
||||
|
||||
For some smartphone models, ignoring battery optimization is not necessary while for others it is. If you absolutely want to be sure notifications are received, turning it off is highly recommended.
|
||||
|
||||
|
||||
|
||||
Please follow the description to turn off battery optimization for the Talk app. In the available apps you can use the search so you don't have to scroll through the whole app list.
|
||||
|
||||
|
||||
|
||||
Please note that the switch has to be *turned off*.
|
||||
|
||||
|
||||
|
||||
#### Grant permissions in settings
|
||||
|
||||
##### Regular warning
|
||||
|
||||
If notifications settings are not set up correctly, there will be a warning in the conversation list. This is displayed regularly unless it is changed in the settings so that you are not reminded of incorrect settings.
|
||||
If you select "Not now", the warning will be shown again after a few days if the settings are still wrong. When
|
||||
selecting "Settings", the settings screen will appear. All incorrect settings will blink and their description is in
|
||||
red color.
|
||||
|
||||
##### Notification settings
|
||||
|
||||
The notification settings can either be reached when selecting "Settings" in the regular notification warning or by
|
||||
clicking on the user avatar in the right corner of the conversation list and by selecting "Settings".
|
||||
|
||||
In the "Notifications" section, please change every setting that is marked with a red color.
|
||||
Please take into account that the android settings might look different for each manufacturer.
|
||||
You can also reach these settings by long pressing on the Nextcloud Android Talk App in Android itself and by selecting
|
||||
"App info".
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
##### Further help for permission settings
|
||||
|
||||
If setting the above listed permission won't help, it might be that there are special settings for your phone. It
|
||||
might be worth it to check what other messaging apps recommend to get their apps running on a certain smartphone and adapt this to the talk app.
|
||||
Also [https://dontkillmyapp.com/](https://dontkillmyapp.com/) might be good starting point.
|
||||
|
||||
### 🗨️ Check conversation settings
|
||||
- In the conversation settings (in the upper right corner of a conversation), check that notifications are set to
|
||||
"Always notify" or "Notify when mentioned"
|
||||
|
||||
- Be aware that this is a per conversation setting. Set it for every conversation differently depending on your
|
||||
needs.
|
||||
|
||||
- Also be aware that notifications are not generated when you have an active session for a conversation. This also
|
||||
applies for browser tabs that are open in the background, etc.
|
||||
|
||||
### 🖥 Check server settings
|
||||
|
||||
Run the `notification:test-push` command for the user who is logged in at the device that should receive the notification:
|
||||
|
||||
```bash
|
||||
sudo -u www-data php /var/www/yourinstance/occ notification:test-push --talk youruser
|
||||
```
|
||||
Alternatively, you can check if push notifications are set up correctly on the server from the app’s Diagnosis screen:
|
||||
|
||||
- Select the user avatar in the upper right corner of the conversation list
|
||||
- Select "Settings" from the menu.
|
||||
- In "Advanced" section of settings menu, select "Diagnosis"
|
||||
- Click on “Test push notifications” button located at the bottom of the Diagnosis.
|
||||
|
||||
If google play services are not available on the device, then you cannot see "Test push notifications" button in the Diagnosis screen.
|
||||
|
||||
It should print something like the following:
|
||||
```
|
||||
Trying to push to 2 devices
|
||||
|
||||
Language is set to en
|
||||
Private user key size: 1704
|
||||
Public user key size: 451
|
||||
Identified 1 Talk devices and 1 others.
|
||||
|
||||
Device token:156850
|
||||
Device public key size: 451
|
||||
Data to encrypt is: {"nid":525210,"app":"admin_notification_talk","subject":"Testing push notifications","type":"admin_notifications","id":"614aeee4"}
|
||||
Signed encrypted push subject
|
||||
Push notification sent successfully
|
||||
```
|
||||
This means the notifications are set up correctly on server side. A notification should be displayed on the device.
|
||||
If there is no notification shown on the device, please focus on the settings of the talk android app.
|
||||
|
||||
If it prints something like
|
||||
```
|
||||
sudo -u www-data php /var/www/yourinstance/occ notification:test-push --talk youruser
|
||||
No devices found for user
|
||||
```
|
||||
try to remove the account from the Nextcloud Android Talk app and log in again. Afterwards try to run the command
|
||||
again.
|
||||
|
||||
If it prints
|
||||
```
|
||||
There are no commands defined in the "notification" namespace.
|
||||
```
|
||||
then the https://github.com/nextcloud/notifications app is not installed on your nextcloud instance.
|
||||
The notification app is shipped and enabled by default, but could be missing in development environments or being disabled manually.
|
||||
Install and enable the app by following the instructions at https://github.com/nextcloud/notifications#developers and
|
||||
try again to execute the command.
|
||||
|
||||
## 🦺 Developers/testers
|
||||
- Be aware that the "qa"-versions that you can install by scanning the QR-code in a github pull request don't
|
||||
support notifications!
|
||||
|
||||
- When starting the talk app within Android Studio, make sure to select the "gplayDebug" build variant:
|
||||
|
||||
|
||||
- Especially after reinstalling the app, make sure to always check the android settings as they might be reset.
|
||||
BIN
docs/notificationsNotSetUpCorrectlyWarning.png
Normal file
BIN
docs/notificationsNotSetUpCorrectlyWarning.png
Normal file
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|
After Width: | Height: | Size: 40 KiB |
2
docs/notificationsNotSetUpCorrectlyWarning.png.license
Normal file
2
docs/notificationsNotSetUpCorrectlyWarning.png.license
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
BIN
docs/semantic_versioning_code.png
Normal file
BIN
docs/semantic_versioning_code.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 5.3 KiB |
2
docs/semantic_versioning_code.png.license
Normal file
2
docs/semantic_versioning_code.png.license
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
Loading…
Add table
Add a link
Reference in a new issue