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mvysny / photocloud-frame-slideshow

Android Digital Photo Frame
https://www.android-photo-frame.eu
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Filter Slideshow content by geolocation #129

Open andyfrei opened 4 years ago

andyfrei commented 4 years ago

Hey guys Any plans towards adding a geolocation filter? Like

Or even having an option to create a simple boundary in a map and show only pictures taken within or outside that boundary?

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mvysny commented 4 years ago

Unfortunately this is much harder than it sounds. The problem is that every request to resolve a GPS coordinate to an Address object (which also includes the country) goes to Google servers and is bandwidth-limited. So I can't simply take a list of photos and rapidly resolve their addresses in hopes to filter the photos out, since that would most probably cause Google blocking my app from performing a GPS resolve.

Theoretically I could cache the resolved country for every photo, but the initial population of the database would be problematic - I would need to avoid rapid resolving yet somehow quickly show something.

In short, I'm not sure whether I can implement such a feature... unless there is a library that can convert GPS to country name quickly and offline. Since the country borders do not change that often :-D it could very well be possible. Let me check :-p

mvysny commented 4 years ago

I'll be damned, there is such a library: https://github.com/bencampion/reverse-country-code :-D

That could work, but only for countries. There is no such (offline) library for cities.

andyfrei commented 4 years ago

Well, why not... ;Dandyonthemove -------- Ursprüngliche Nachricht --------Von: Martin Vysny notifications@github.com Datum: 08.05.20 22:25 (GMT+01:00) An: mvysny/photocloud-frame-slideshow photocloud-frame-slideshow@noreply.github.com Cc: Andy Frei andy.frei1981@gmail.com, Author author@noreply.github.com Betreff: Re: [mvysny/photocloud-frame-slideshow] Filter Slideshow content by geolocation (#129) I'll be damned, there is such a library: https://github.com/bencampion/reverse-country-code That could work, but only for countries. There is no such (offline) library for cities.

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