44 lines
1.1 KiB
Objective-C
44 lines
1.1 KiB
Objective-C
#import "MBXStateManager.h"
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#import <Mapbox/Mapbox.h>
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#import "MBXState.h"
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#import "MBXViewController.h"
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@interface MBXStateManager()
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@property (strong, nonatomic) MBXState *currentState;
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@end
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@implementation MBXStateManager
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+ (instancetype) sharedManager {
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static dispatch_once_t once;
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static MBXStateManager* sharedManager;
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dispatch_once(&once, ^{
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sharedManager = [[self alloc] init];
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});
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return sharedManager;
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}
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- (MBXState*)currentState {
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NSData *encodedMapState = [[NSUserDefaults standardUserDefaults] objectForKey:@"mapStateKey"];
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MBXState *currentState = (MBXState *)[NSKeyedUnarchiver unarchiveObjectWithData: encodedMapState];
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return currentState;
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}
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- (void)saveState:(MBXState*)mapState {
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NSData *encodedMapState = [NSKeyedArchiver archivedDataWithRootObject:mapState];
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[[NSUserDefaults standardUserDefaults] setObject:encodedMapState forKey:@"mapStateKey"];
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[[NSUserDefaults standardUserDefaults] synchronize];
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}
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- (void)resetState {
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[[NSUserDefaults standardUserDefaults] removeObjectForKey:@"mapStateKey"];
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}
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@end
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