ARC support

.gitignore

@@ -4,3 +4,5 @@ blog-resources/paneltableview-demo.mov
 PanelTableView/PanelTableView.xcodeproj/project.xcworkspace/xcuserdata/honcheng.xcuserdatad/UserInterfaceState.xcuserstate
 PanelTableView/PanelTableView.xcodeproj/xcuserdata/honcheng.xcuserdatad/xcschemes/PanelTableView.xcscheme
 PanelTableView/PanelTableView.xcodeproj/xcuserdata/honcheng.xcuserdatad/xcschemes/xcschememanagement.plist
+sample project/SampleApp/SampleApp.xcodeproj/project.xcworkspace/xcuserdata/honcheng.xcuserdatad/UserInterfaceState.xcuserstate
+sample project/SampleApp/SampleApp.xcodeproj/xcuserdata/honcheng.xcuserdatad/xcschemes/SampleApp.xcscheme

PanelTableView/Classes/PanelIndexPath.m

@@ -50,12 +50,12 @@ - (id)initWithRow:(int)_row section:(int)_section page:(int)_page
 
 + (id)panelIndexPathForRow:(int)_row section:(int)_section page:(int)_page
 {
-	return [[[self alloc] initWithRow:_row section:_section page:_page] autorelease];
+	return [[self alloc] initWithRow:_row section:_section page:_page];
 }
 
 + (id)panelIndexPathForPage:(int)_page indexPath:(NSIndexPath*)indexPath
 {
-	return [[[self alloc] initWithRow:indexPath.row section:indexPath.section page:_page] autorelease];
+	return [[self alloc] initWithRow:indexPath.row section:indexPath.section page:_page];
 }
 
 @end

PanelTableView/Classes/PanelView.h

@@ -35,27 +35,26 @@
 #import "PanelIndexPath.h"
 #import <QuartzCore/QuartzCore.h>
 
-@protocol PanelViewDelegate
+@protocol PanelViewDelegate <NSObject>
 - (NSInteger)panelView:(id)panelView numberOfRowsInPage:(NSInteger)page section:(NSInteger)section;
 - (UITableViewCell *)panelView:(id)panelView cellForRowAtIndexPath:(PanelIndexPath *)indexPath;
 - (void)panelView:(id)panelView didSelectRowAtIndexPath:(PanelIndexPath *)indexPath;
 - (CGFloat)panelView:(id)panelView heightForRowAtIndexPath:(PanelIndexPath *)indexPath;
-- (BOOL)respondsToSelector:(SEL)selector;
 - (NSInteger)panelView:(id)panelView numberOfSectionsInPage:(NSInteger)pageNumber;
 - (NSString*)panelView:(id)panelView titleForHeaderInPage:(NSInteger)pageNumber section:(NSInteger)section;
 @end
 
 @interface PanelView : UIView <UITableViewDelegate, UITableViewDataSource>{
 	int pageNumber;
 	UITableView *tableView;
-	id<PanelViewDelegate> delegate;
+	id<PanelViewDelegate> __unsafe_unretained delegate;
 	NSString *identifier;
 }
 
 @property (nonatomic, assign) int pageNumber;
-@property (nonatomic, retain) UITableView *tableView;
-@property (nonatomic, assign) id<PanelViewDelegate> delegate;
-@property (nonatomic, retain) NSString *identifier;
+@property (nonatomic, strong) UITableView *tableView;
+@property (nonatomic, unsafe_unretained) id<PanelViewDelegate> delegate;
+@property (nonatomic, strong) NSString *identifier;
 
 - (id)initWithIdentifier:(NSString*)_identifier;
 - (void)reset;

PanelTableView/Classes/PanelView.m

@@ -51,7 +51,6 @@ - (id)initWithFrame:(CGRect)frame
 
 		self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0,0,frame.size.width,frame.size.height)];
 		[self addSubview:self.tableView];
-		[self.tableView release];
 		[self.tableView setDelegate:self];
 		[self.tableView setDataSource:self];
     }
@@ -103,13 +102,6 @@ - (void)pageWillDisappear
 	[self saveTableviewOffset];
 }
 
-- (void)dealloc 
-{
-	[self.identifier release];
-	[self.tableView release];
-    [super dealloc];
-}
-
 #pragma mark offset save/restore
 
 #define kTableOffset @"kTableOffset"

PanelTableView/Classes/PanelsViewController.h

@@ -52,8 +52,8 @@
 	BOOL _isEditing;
 }
 
-@property (nonatomic, retain) UIScrollViewExt *scrollView;
-@property (nonatomic, retain) NSMutableSet *recycledPages, *visiblePages;
+@property (nonatomic, strong) UIScrollViewExt *scrollView;
+@property (nonatomic, strong) NSMutableSet *recycledPages, *visiblePages;
 
 #define GAP 10
 #define TAG_PAGE 11000

PanelTableView/Classes/PanelsViewController.m

@@ -51,7 +51,6 @@ - (PanelView *)panelForPage:(NSInteger)page;
 @end
 
 @implementation PanelsViewController
-@synthesize scrollView;
 @synthesize recycledPages, visiblePages;
 
 - (void)loadView
@@ -60,17 +59,16 @@ - (void)loadView
 	[self.view setBackgroundColor:[UIColor blackColor]];
 
 	CGRect frame = [self scrollViewFrame];
-	self.scrollView = [[UIScrollViewExt alloc] initWithFrame:CGRectMake(-1*GAP,0,frame.size.width+2*GAP,frame.size.height)];
-	[self.scrollView setDelegate:self];
-	[self.scrollView setShowsHorizontalScrollIndicator:NO];
-	[self.scrollView setPagingEnabled:YES];
-	[self.scrollView setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];
+	_scrollView = [[UIScrollViewExt alloc] initWithFrame:CGRectMake(-1*GAP,0,frame.size.width+2*GAP,frame.size.height)];
+	[_scrollView setDelegate:self];
+	[_scrollView setShowsHorizontalScrollIndicator:NO];
+	[_scrollView setPagingEnabled:YES];
+	[_scrollView setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];
 	[self.view addSubview:self.scrollView];
-	[self.scrollView release];
-	[self.scrollView setContentSize:CGSizeMake(([self panelViewSize].width+2*GAP)*[self numberOfPanels],self.scrollView.frame.size.height)];
+	[_scrollView setContentSize:CGSizeMake(([self panelViewSize].width+2*GAP)*[self numberOfPanels],_scrollView.frame.size.height)];
 
-	self.recycledPages = [NSMutableSet new];
-	self.visiblePages = [NSMutableSet new];
+	self.recycledPages = [NSMutableSet set];
+	self.visiblePages = [NSMutableSet set];
 
 	[self tilePages];
 }
@@ -89,14 +87,6 @@ - (void)viewDidUnload {
     // e.g. self.myOutlet = nil;
 }
 
-- (void)dealloc 
-{
-	[self.scrollView release];
-	[self.recycledPages release];
-	[self.visiblePages release];
-    [super dealloc];
-}
-
 - (void)viewDidAppear:(BOOL)animated
 {
 	PanelView *panelView = [self panelViewAtPage:currentPage];
@@ -352,7 +342,7 @@ - (PanelView*)dequeueReusablePageWithIdentifier:(NSString*)identifier
 	PanelView *page = [filteredSet anyObject];
 	if (page)
 	{
-		[[page retain] autorelease];
+		//[[page retain] autorelease];
 		[self.recycledPages removeObject:page];
 	}
 	return page;
@@ -372,7 +362,7 @@ - (PanelView *)panelForPage:(NSInteger)page
 	PanelView *panelView = (PanelView*)[self dequeueReusablePageWithIdentifier:identifier];
 	if (panelView == nil)
 	{
-		panelView = [[[PanelView alloc] initWithIdentifier:identifier] autorelease];
+		panelView = [[PanelView alloc] initWithIdentifier:identifier];
 	}
 	return panelView;
 }
@@ -393,7 +383,7 @@ - (UITableViewCell *)panelView:(PanelView *)panelView cellForRowAtIndexPath:(Pan
 	UITableViewCell *cell = (UITableViewCell*)[panelView.tableView dequeueReusableCellWithIdentifier:identity];
 	if (cell == nil)
 	{
-		cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identity] autorelease];
+		cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identity];
 	}
 	return cell;
 }
@@ -418,10 +408,5 @@ - (NSString*)panelView:(id)panelView titleForHeaderInPage:(NSInteger)pageNumber
 	return [NSString stringWithFormat:@"Page %i Section %i", pageNumber, section];
 }
 
-- (BOOL)respondsToSelector:(SEL)aSelector
-{
-	return [super respondsToSelector:aSelector];
-}
-
 
 @end

sample project/SampleApp/Classes/SampleAppAppDelegate.h

@@ -12,7 +12,7 @@
     UIWindow *window;
 }
 
-@property (nonatomic, retain) IBOutlet UIWindow *window;
+@property (nonatomic, strong) IBOutlet UIWindow *window;
 
 
 

sample project/SampleApp/Classes/SampleAppAppDelegate.m

@@ -31,7 +31,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 	}
 	UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:panelsViewController];
 	[[navController navigationBar] setBarStyle:UIBarStyleBlackTranslucent];
-	[window addSubview:navController.view];
+	[window setRootViewController:navController];
 
     [self.window makeKeyAndVisible];
 
@@ -87,10 +87,6 @@ Free up as much memory as possible by purging cached data objects that can be re
 }
 
 
-- (void)dealloc {
-    [window release];
-    [super dealloc];
-}
 
 
 @end

sample project/SampleApp/Classes/SamplePanelView.m

@@ -22,9 +22,6 @@ - (id)initWithFrame:(CGRect)frame {
     return self;
 }
 
-- (void)dealloc {
-    [super dealloc];
-}
 
 
 @end

sample project/SampleApp/Classes/SamplePanelsViewController.h

@@ -14,7 +14,7 @@
 	UIBarButtonItem *editItem, *doneItem, *addRemoveItem;
 }
 
-@property (nonatomic, retain) NSMutableArray *panelsArray;
+@property (nonatomic, strong) NSMutableArray *panelsArray;
 
 - (void)addTemporaryUI;
 

sample project/SampleApp/Classes/SamplePanelsViewController.m

@@ -48,12 +48,6 @@ - (void)viewDidUnload {
     // e.g. self.myOutlet = nil;
 }
 
-
-- (void)dealloc {
-	[self.panelsArray release];
-    [super dealloc];
-}
-
 #pragma mark temporary
 
 // this method is used to insert add/delete button to show the demonstrate the add/delete function
@@ -68,7 +62,6 @@ - (void)addTemporaryUI
 	[segmentControl setMomentary:YES];
 	[segmentControl setSegmentedControlStyle:UISegmentedControlStyleBar];
 	addRemoveItem = [[UIBarButtonItem alloc] initWithCustomView:segmentControl];
-	[segmentControl release];
 	[self.navigationItem setLeftBarButtonItem:addRemoveItem];
 	[segmentControl addTarget:self action:@selector(onSegmentControlValueChanged:) forControlEvents:UIControlEventValueChanged];
 
@@ -144,7 +137,7 @@ - (UITableViewCell *)panelView:(PanelView *)panelView cellForRowAtIndexPath:(Pan
 	UITableViewCell *cell = (UITableViewCell*)[panelView.tableView dequeueReusableCellWithIdentifier:identity];
 	if (cell == nil)
 	{
-		cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identity] autorelease];
+		cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identity];
 	}
 	[[cell textLabel] setText:[NSString stringWithFormat:@"panel %i section %i row %i", indexPath.page, indexPath.section, indexPath.row+1]];
 	return cell;
@@ -174,7 +167,7 @@ - (PanelView *)panelForPage:(NSInteger)page
 	SamplePanelView *panelView = (SamplePanelView*)[self dequeueReusablePageWithIdentifier:identifier];
 	if (panelView == nil)
 	{
-		panelView = [[[SamplePanelView alloc] initWithIdentifier:identifier] autorelease];
+		panelView = [[SamplePanelView alloc] initWithIdentifier:identifier];
 	}
 	return panelView;
 }

sample project/SampleApp/Classes/SamplePanelsViewControllerForiPad.m

@@ -44,9 +44,6 @@ - (void)viewDidUnload {
 }
 
 
-- (void)dealloc {
-    [super dealloc];
-}
 
 
 @end

sample project/SampleApp/SampleApp.xcodeproj/project.pbxproj

@@ -228,12 +228,14 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
 				COPY_PHASE_STRIP = NO;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = SampleApp_Prefix.pch;
 				INFOPLIST_FILE = "SampleApp-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				PRODUCT_NAME = SampleApp;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -245,10 +247,12 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
 				COPY_PHASE_STRIP = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = SampleApp_Prefix.pch;
 				INFOPLIST_FILE = "SampleApp-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
 				PRODUCT_NAME = SampleApp;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";

sample project/SampleApp/main.m

@@ -10,8 +10,8 @@
 
 int main(int argc, char *argv[]) {
 
-    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-    int retVal = UIApplicationMain(argc, argv, nil, nil);
-    [pool release];
-    return retVal;
+    @autoreleasepool {
+        int retVal = UIApplicationMain(argc, argv, nil, nil);
+        return retVal;
+    }
 }