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anddev.org • View topic - Making External Images Local

Making External Images Local

All your problems with Audio, Video and Images.

Making External Images Local

Postby khaled450 » Thu Jun 10, 2010 10:43 pm

I am working on a project that contains lots of images that makes the size of my app more than 30M. So I want to upload all my images on a server and allow the user to download those images to the SD card onclick, I mean when the user click a button to access a certain images it checks first if the image is available on the SD card, if not then download it. However, I am not familiar with some ideas
1. Creating a file on the SD card that is accessible by my app.
2. Establishing an active link to download a media to a certain file on the SD card.

and some other privacy issues that I wont bug you with.
khaled450
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Re: Making External Images Local

Postby dinamic » Fri Jun 11, 2010 6:34 am

Hi..

1. Sdcard are accessed under /sdcard path so just use a java.io.File("/sdcard/myapp/cache/imgid.jpg").exists() and standard java file io routines...

2. Something like:
URL u = new URL("http://www.somewhere.else/getimg.php?id=234");
HttpURLConnection c = (HttpURLConnection) u.openConnection();
c.setRequestMethod("GET");
c.setDoOutput(true);
c.connect();
FileOutputStream f = new FileOutputStream(new File("/sdcard/myapp/cache/imageid.jpg"));
InputStream in = c.getInputStream();

then read in and write to f...

/H
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