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#import "MyClass.h"

@interface MyClass () {
	UIBackgroundTaskIdentifier _backgroundRecordingID;
}
@end

@implementation MyClass

- (id)init {
	if ((self = [super init])) {
		//Set the backgroundTaskID to invalid
		_backgroundRecordingID = UIBackgroundTaskInvalid;
	}
	
	return self;
}

- (void)startBackgroundTask {
	if ([[UIDevice currentDevice] isMultitaskingSupported] &&
		_backgroundRecordingID == UIBackgroundTaskInvalid) {
		_backgroundRecordingID = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
			DLog(@"---PREMATURE CLOSURE----");
			[[UIApplication sharedApplication] endBackgroundTask:_backgroundRecordingID];
			_backgroundRecordingID = UIBackgroundTaskInvalid;
		}];
	}
}
- (void)doSomethingImportant {
	[self startBackgroundTask];

	//DoStuff...
}

- (void)doneDoingSomethingImportant {
	if (_backgroundRecordingID != UIBackgroundTaskInvalid) {
		[[UIApplication sharedApplication] endBackgroundTask:_backgroundRecordingID];
		_backgroundRecordingID = UIBackgroundTaskInvalid;		
	}
}

@end