1. ARC of a Developer Part.2
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2. CoreFoundation
•C
Quartz
CoreFoundation CGxx
CFxx
CoreAudio
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3. Cocoa CoreFoundation
• Cocoa CoreFoundation
• NSString -> NSCFString -> CFString
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4. Toll-free Bridge
• Cocoa 0 CoreFoundation
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5. CF
• CoreFoundation
• Cocoa CoreFoundation
CoreFoundation Cocoa
CFString NSString
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6. id Void *
id obj = [[NSObject alloc]init];
void *p = obj;
id o = p;
[o release];
ARC
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7. ARC id -> Void *
•
[super didReceiveMemoryWarning];
id obj = [[NSObject alloc]init];
void *p = (__bridge void *)obj;
id o = (__bridge id) p;
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8. • __bridge
• __bridge_retained
• __bridge_transfar
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9. __bridge
•
• __unsafe_unretained
void *p;
{
id obj = [[NSObject alloc]init];
p = (__bridge void *)obj;
}
// p
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10. __bridge_retained
•
void *p;
{
id obj = [[NSObject alloc]init];
p = (__bridge_retained void *)obj;
}
// p
CFRelease(p);
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11. __bridge_transfar
•
•
CFStringRef p;
{
id obj = [[NSObject alloc]init];
p = (__bridge_retained CFStringRef)obj;
}
id obj2 = (__bridge_transfer id)p;
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12. CFBridgingRetain CFBridgingRelease
•
NS_INLINE CF_RETURNS_RETAINED CFTypeRef CFBridgingRetain(id X) {
return (__bridge_retained CFTypeRef)X;
}
NS_INLINE id CFBridgingRelease(CFTypeRef CF_CONSUMED X) {
return (__bridge_transfer id)X;
}
• CFBridgingRetain __bridge_retained
• CGBridgingRelease __bridge_transfer
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13. CF
• CoreFoundation
• ARC
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14. Blocks ARC
•
•
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15. Git
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16. •
•
•
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17. • CVS
• Subversion
• Visual Source Safe
• Git
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18. Git
•
• Linux Linus Torvalds
•
•
• Xcode4
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19. •
• CVS
•
•
•
•
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20. checkin checkout
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21. sync
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22. Git
•
•
• Sync
• Sync
•
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23. •
•
•
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24. Git
•
•
•
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25. A B
! touchView = [[TouchDetectView alloc]initWithFrame:mapView.frame];
! [self.view insertSubview:touchView atIndex:0];
! touchView.delegate = self;
! touchView.viewTouched = mapView;
! mapView.frame = CGRectMake(0, 0, mapView.frame.size.width, mapView.frame.size.height);
! [touchView addSubview:mapView];
! mapView.showsUserLocation = NO;
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26. A B
! touchView = [[TouchDetectView alloc]initWithFrame:mapView.frame];
! [self.view insertSubview:touchView atIndex:0];
! touchView.delegate = self;
! touchView.viewTouched = mapView;
! mapView.frame = CGRectMake(0, 0, mapView.frame.size.width, mapView.frame.size.height);
! [touchView addSubview:mapView];
! mapView.showsUserLocation = NO;
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27. A B
! touchView = [[TouchDetectView alloc]initWithFrame:mapView.frame];
! [self.view insertSubview:touchView atIndex:0];
! touchView.delegate = self;
! touchView.viewTouched = mapView;
! mapView.frame = CGRectMake(0, 0, mapView.frame.size.width, mapView.frame.size.he
! [touchView addSubview:mapView];
! mapView.showsUserLocation = NO;
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28. A B
! touchView = [[TouchDetectView alloc]initWithFrame:mapView.frame];
! [self.view insertSubview:touchView atIndex:0];
! touchView.delegate = self;
! touchView.viewTouched = mapView;
! mapView.frame = CGRectMake(0, 0, mapView.frame.size.width, mapView.frame.size.height);
! [touchView addSubview:mapView];
! mapView.showsUserLocation = NO;
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29. • Github for Mac
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30. •
•
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31. •
• Pull w
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32. GitHub
• Git
•
•
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33. Github Enterprise
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34. 11 11 22