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Old February 2nd, 2013, 09:29 AM   #1 (permalink)
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Default Where Are Zipped Files Stored

Hello,

I have a bunch of photos on my Android phone that I want to copy to Dropbox. After selecting them all, I couldn't figure out how to "Share" them to send to Dropbox. So, I selected the Zip option, thinking I might be able to send the zipped file instead.

But once I completed the Zip option, I couldn't tell where the file had been stored.

A related question: To try to find the file, I searched on *.zip, which, of course, is a venerable command in Windows OS. But no luck. Is there a way in Android to do that kind of search for all instances of a file type?

Thanks,
Bill

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Old February 2nd, 2013, 09:55 AM   #2 (permalink)
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Default Re: Where Are Zipped Files Stored

1. In the Gallery, select the photos to be uploaded to Dropbox.

2. Tap the share icon - looks kinda like *<:

3. Choose 'Dropbox'.

4. Choose the location to save the photos in Dropbox.

Never zip photo files. It doesn't save space and degrades photo quality. The .zip format format was never intended for photos.

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Old February 2nd, 2013, 10:13 AM   #3 (permalink)
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Thanks, that was helpful. My mistake was accessing the files from My Files instead of My Gallery. Good to know about the downside of zip files.

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Old February 6th, 2013, 10:58 PM   #4 (permalink)
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Default Re: Where Are Zipped Files Stored

Quote:
Originally Posted by Crashdamage View Post
1. In the Gallery, select the photos to be uploaded to Dropbox.

2. Tap the share icon - looks kinda like *<:

3. Choose 'Dropbox'.

4. Choose the location to save the photos in Dropbox.

Never zip photo files. It doesn't save space and degrades photo quality. The .zip format format was never intended for photos.

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How does ZIPping photos degrade photo quality? Compression inherent in the JPG format results in loss of quality. But as far as I know, all algorithms used in the ZIP format are lossless.
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Old February 7th, 2013, 08:08 AM   #5 (permalink)
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Good point, UncleMike. I googled the topic, and the overwhelming consensus is that zipping is lossless.

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Old February 8th, 2013, 08:27 AM   #6 (permalink)
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Default Re: Where Are Zipped Files Stored

The original purpose of ZIPping, and ARCing (a popular compression scheme/package that preceded ZIP) was to reduce the size of files for transmission, which at that time was over dialup. Reducing the file size by 50% could literally save hours of transmission time. Anyway, lossless compression was key, as without it, executable files would not execute properly, configuration files would contain errors, and forum posts would be garbled.

Although it would be possible to add lossy commission algorithms to ZIP, using it would require knowledge of the file contents, and whether or not loss would render the file useless, which is better left to applications designed to work with specific content types (I.e. photos).
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