plist_read_write.m

static NSString * const kPlistName = @"ZeroCameraSettings";
static NSString * const kExtention = @"plist";

/*!
 
 plist utils
 
 */
+ (NSMutableDictionary*)getPlist
{
	NSString* path = [self getPlistPath];
	NSString *cachePath = [self getCachePath];
	NSFileManager *filemanager = [NSFileManager defaultManager];
	
	if (![filemanager fileExistsAtPath:cachePath])
	{
		[filemanager copyItemAtPath:path toPath:cachePath error:nil];
	}
	
	return [NSMutableDictionary dictionaryWithContentsOfFile:cachePath];
}

+ (NSString*)getPlistPath
{
	return [[NSBundle mainBundle] pathForResource:kPlistName ofType:kExtention];
}

+ (NSString*)getCachePath;
{
	return [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory,
												 NSUserDomainMask,
												 YES) lastObject]
			stringByAppendingPathComponent:[kPlistName stringByAppendingString:kExtention]];
}



+ (BOOL)isInitialLaunch
{
	NSDictionary* plist = [self getPlist];
	
	NSLog(@"%@", plist);
	
	return [plist[@"isInitialLaunch"] boolValue];
}

+ (void)doneInitialLaunch
{
	/*!
	 
	 see also
	 http://d.hatena.ne.jp/hachinobu/20130117/1358414530
	 
	 */
	
	NSMutableDictionary* plist = [self getPlist];
	
	plist[@"isInitialLaunch"] = [NSNumber numberWithBool:NO];
	
	[self save:plist];
}

+ (void)save:(NSMutableDictionary*)dictionaly
{
	[dictionaly writeToFile:[self getCachePath] atomically:NO];
}