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Top Forums Programming Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App Post 303043643 by Neo on Sunday 2nd of February 2020 10:25:57 PM
Old 02-02-2020
With a little bit of work, was able to build a nice "Wuhan Coronavirus Status" app using MQTT and the IoT-OnOff app. More on this technique here:

ESP32 (ESP-WROOM-32) as an MQTT Client Subscribed to Linux Server Load Average Messages

The result turned out nice, I think. I like the look and feel of this app considerably better than other apps I prototyped, and it is much more cost effective (free).

If anyone wants to build such an app like this, please just let me know (post back in this thread) and I will show you how to build this, step-by-step. If you want to you my MQTT server / service, I can make that happen for you as well.

So, in nutshell, you can have this "Wuhan Coronavirus" public service status app working for free, 100% and I assure you, 100% your usage data will be private and never shared with any third party, never under any circumstances. This is public app to help others, not to make money (as many companies seem to forget in times of crisis and look to profit from the misfortunes of others. Not here at unix.com! This app I created has one purpose - to help those who might need this information during a humanitarian crisis. This is how IT should really be used, to help others in times of need and crisis. If one person benefits, I am more than happy enough. I don't need money, fame or fortune from IT.


Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_0463jpg


Reference to first prototype (retired):

Wuhan Coronavirus Status for China - Rapid Prototype Blynk App with ESP8266

For the next part of this project, I think I will build a Node-RED dashboard app for macOS. I installed Node-RED yesterday when searching for dashboard app, but I need to import the dashboard widgets and set it up to display a dashboard with MQTT data,
This User Gave Thanks to Neo For This Post:
 

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chromium-browser(1)						   USER COMMANDS					       chromium-browser(1)

NAME
chromium-browser - the web browser from Google SYNOPSIS
chromium-browser [OPTION] [PATH|URL] DESCRIPTION
See the Google Chrome help center for help on using the browser. <http://www.google.com/support/chrome/> This manpage only describes invocation, environment, and arguments. OPTIONS
Chromium has hundreds of undocumented command-line flags that are added and removed at the whim of the developers. Here, we document rela- tively stable flags. --user-data-dir=DIR Specifies the directory that user data (your "profile") is kept in. Defaults to ~/.config/chromium . Separate instances of Chromium must use separate user data directories; repeated invocations of chromium-browser will reuse an existing process for a given user data directory. --app=URL Runs URL in "app mode": with no browser toolbars. --incognito Open in incognito mode. --proxy-server=host:port Specify the HTTP/SOCKS4/SOCKS5 proxy server to use for requests. This overrides any environment variables or settings picked via the options dialog. An individual proxy server is specified using the format: [<proxy-scheme>://]<proxy-host>[:<proxy-port>] Where <proxy-scheme> is the protocol of the proxy server, and is one of: "http", "socks", "socks4", "socks5". If the <proxy-scheme> is omitted, it defaults to "http". Also note that "socks" is equivalent to "socks5". Examples: --proxy-server="foopy:99" Use the HTTP proxy "foopy:99" to load all URLs. --proxy-server="socks://foobar:1080" Use the SOCKS v5 proxy "foobar:1080" to load all URLs. --proxy-server="socks4://foobar:1080" Use the SOCKS v4 proxy "foobar:1080" to load all URLs. --proxy-server="socks5://foobar:66" Use the SOCKS v5 proxy "foobar:66" to load all URLs. It is also possible to specify a separate proxy server for different URL types, by prefixing the proxy server specifier with a URL specifier: Example: --proxy-server="https=proxy1:80;http=socks4://baz:1080" Load https://* URLs using the HTTP proxy "proxy1:80". And load http://* URLs using the SOCKS v4 proxy "baz:1080". --no-proxy-server Disables the proxy server. Overrides any environment variables or settings picked via the options dialog. --proxy-auto-detect Autodetect proxy configuration. Overrides any environment variables or settings picked via the options dialog. --proxy-pac-url=URL Specify proxy autoconfiguration URL. Overrides any environment variables or settings picked via the options dialog. --password-store=<basic|gnome|kwallet> Set the password store to use. The default is to automatically detect based on the desktop environment. basic selects the built in, unencrypted password store. gnome selects Gnome keyring. kwallet selects (KDE) KWallet. (Note that KWallet may not work reli- ably outside KDE.) --version Show version information. As a GTK+ app, Chromium also obeys GTK+ command-line flags, such as --display. See the GTK documentation for more: <http://library.gnome.org/devel/gtk/stable/gtk-running.html> <http://library.gnome.org/devel/gtk/stable/gtk-x11.html> ENVIRONMENT
Chromium obeys the following environment variables: all_proxy Shorthand for specifying all of http_proxy, https_proxy, ftp_proxy http_proxy, https_proxy, ftp_proxy The proxy servers used for HTTP, HTTPS, and FTP. Note: because Gnome/KDE proxy settings may propagate into these variables in some terminals, this variable is ignored (in preference for actual system proxy settings) when running under Gnome or KDE. Use the com- mand-line flags to set these when you want to force their values. auto_proxy Specify proxy autoconfiguration. Defined and empty autodetects; otherwise, it should be an autoconfig URL. But see above note about Gnome/KDE. SOCKS_SERVER SOCKS proxy server (defaults to SOCKS v4, also set SOCKS_VERSION=5 to use SOCKS v5). no_proxy Comma separated list of hosts or patterns to bypass proxying. FILES
~/.config/chromium Default directory for configuration data. ~/.cache/chromium Default directory for cache data. (Why? See <http://standards.freedesktop.org/basedir-spec/latest/> .) BUGS
Bug tracker: http://code.google.com/p/chromium/issues/list Be sure to do your search within "All Issues" before reporting bugs, and be sure to pick the "Defect on Linux" template when filing a new one. AUTHOR
The Chromium team - <http://www.chromium.org> chromium-browser(1)
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