Here is what I am planning: user taps on a button. a uiimage picker view controller displays user selects an image a thumbnail view of selected image should be saved in my application. ( like ui picker view has after selecting albums, there is thumbnail view ) Up to three points I can do. But I don't know about creating thumbnail view of selected image.

Reputation: 24820

Generating smaller previews of selected images from image picker controller

Here is what I am planning:

user taps on a button.
a uiimage picker view controller displays
user selects an image
a thumbnail view of selected image should be saved in my application. ( like ui picker view has after selecting albums, there is thumbnail view )

Up to three points I can do. But I don't know about creating thumbnail view of selected image.

Upvotes: 0

Reputation: 1893

This is a fantastic read for image manipulation.

Upvotes: 2

Reputation: 39376

Make a small bitmap the size of your thumbnail. Draw your picture into it. Take the bitmap and turn it into a UIImage and save it.

Here is an implementation:

Upvotes: 3

Reputation: 96974

Upvotes: 3