New answers tagged images
It turns out that the Twitter app uses data stored at /sdcard/Android/data/com.twitter.android. I deleted that directory and reinstalled the app and everything works now.
Today I had the same question. I copied a directory full of pictures from an SD card to the Android's phone internal storage, using a downloaded File Manager app, then removed the SD card. In the gallery, the pictures were not found, even after reboot. But after a minute or five, the pictures started to appear in the Gallery. My conclusion is that Gallery ...
The compression is actually performed by your carrier. Almost all mobile network carriers compress images to reduce bandwidth use on slow mobile connections. You can avoid the compression by switching to a Wi-Fi network, or using an HTTPS connection to the website you want: since HTTPS is secured from interception, the carrier can't replace the pictures ...
Assuming your SD card is not damaged or corrupted, it seems that media scanner has not picked up your media! You could try an app like Force Media Scan to force it to run. NOTE: I have not tested this app. There are many apps to do this this one has a widget for it (also not tested by me). Some applications like PowerAmp will automatically scan for media ...
I think those are saved at Google and synced across all your devices. Try and log in from a PC, go to gmail.com, then look your hangouts to the left. If you can see your pictures there, it's safe to wipe your phone. You can also save the pictures from there to your PC if you want - but they're safe where they are.
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