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General Tech Bugs & Fixes 2 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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Currently, in order to prevent write to Firebase after returning back from offline, I check for internet connectivity before every write operation. And by that I do not mean just checking for network connectivity, but also if there is actual internet access available. I ping google.com in order to find out.
I do not think this is the best way to do that.
So, what is the best practice to just tell Firebase not to cache any write operations when there is no internet connection available and just preview a plain simple "No internet connection available" message?
If you really must make your application unusable when the user's device even temporarily loses its connectivity, you will have to add a listener to a special location called /.info/connected. It will tell you when the SDK thinks it has lost its connected. This is described in the documentation. You will have to write code to make your app behave the way you want when your listener is notified like this.
/.info/connected
However, your application may have still written data in the time it took from the moment the connection to became stalled, before the SDK makes a decision that the connection is actually gone. And those writes will still be synchronized.
It's better to just make your application usable offline, and notify the user when their data isn't yet synchronized due to being offline.
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