March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth Edition
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One More Thing: Checking for Available Disk Space
The NSFileManager class enables you to determine how much space is free on the iPhone and how much space is provided on the device as a whole. Listing 14-1 demonstrates how to check for these values and show the results using a friendly comma-formatted string. The values returned represent the total and free space in bytes.
Listing 14-1 Recovering File System Size and File System Free Size
- (void)logFileSystemAttributes { NSFileManager *fm = [NSFileManager defaultManager]; NSDictionary *fsAttr = [fm attributesOfFileSystemForPath:NSHomeDirectory() error:nil]; NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] ...
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