alert or pop up window « cocos2d for iPhone

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alert or pop up window

(19 posts) (11 voices)

Started 2 years ago by fisher024
Latest reply from jpswensen

Tags:

fisher024
Member

I am wondering is it possible to make an alert or pop up window with cocos2d, any ideas?

Posted 2 years ago #
Codemattic
Moderator

You mean using an UIAlertView or making one out of sprites? Either way the answer is yes!

Posted 2 years ago #
fisher024
Member

thanks for your reply!

Posted 2 years ago #

patrickC
Member

this is the code I use to display a UIAlert

-(void)newLocalScore {
	UIAlertView* dialog = [[UIAlertView alloc] init];
	[dialog setDelegate:self];
	[dialog setTitle:@"Online Access"];
	[dialog setMessage:@"Do you want to connect to the online ranking?"];
	[dialog addButtonWithTitle:@"Yes"];
	[dialog addButtonWithTitle:@"No"];
	[dialog show];
	[dialog release];
}

- (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)buttonIndex
{
	if(buttonIndex==0) {
             //do stuff
        }
}

hope that helps

Posted 2 years ago #

fisher024
Member

that's really helpful, thanks very much!

Posted 2 years ago #
litterbugkid
Member

Is this a legal way accepted by Apple to create alert views?

Posted 1 year ago #
dany
Member

ehm......yes of course
you can see it here in the documentation
http://developer.apple.com/library/ios/#documentation/uikit/reference/UIAlertView_Class/UIAlertView/UIAlertView.html

Posted 1 year ago #
litterbugkid
Member

I'm sorry, I think I was thinking one thing and reading another. I meant are we allowed to add text fields to these alert views legally?

Posted 1 year ago #
dany
Member

yes, you are allowed to do it (with addsubview), but not using private api.

Posted 1 year ago #

hm50
Member

I made a "CCAlertView" class, it doesn't have all the regular UIAlertview bells and whistles, but is completely functional for my needs, it has a realistic bounce in action applied to it, enjoy:

(You'll need to supply the alertview background image and button images as well as alert.caf, I can share mine if you like)

//
//  CCAlertView.h
//  myApp
//
//  Created by Harvey Mills on 2/16/11.
//  Copyright 2011 __2BPM Software__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "cocos2d.h"
#import "SimpleAudioEngine.h"

@interface CCAlertView : CCLayer {
	NSString *Message;
	NSString *SubMessage;
	NSString *Button1;
	NSString *Button2;
}

@property (nonatomic, retain) NSString *Message;
@property (nonatomic, retain) NSString *SubMessage;
@property (nonatomic, retain) NSString *Button1;
@property (nonatomic, retain) NSString *Button2;

@end

//
//  CCAlertView.m
//  myApp
//
//  Created by Harvey Mills on 2/16/11.
//  Copyright 2011 __2BPM Software__. All rights reserved.
//

#import "CCAlertView.h"

#import "Game.h"

@implementation CCAlertView

@synthesize Message, SubMessage, Button1, Button2;

-(id) init  {

    if((self == [super init]))

    {

        self.isTouchEnabled = YES;

		CCSprite *alertViewSprite = [CCSprite spriteWithFile:@"redalertview.png"];
		[self addChild:alertViewSprite z:-1];
		// 287X139
		CGSize size = CGSizeMake(287, 139);
		self.anchorPoint = ccp(0,0);

		Message = @"Do You Want to Try Again?";
		SubMessage = @"All Game Data Will Be Reset!";
		Button1 = @"OK";
		Button2 = @"Cancel";

		CCMenuItemImage *OK = [CCMenuItemImage itemFromNormalImage:@"redlightButton.png" selectedImage:@"reddarkButton.png" target:self selector:@selector(resume:)];
		CCMenuItemImage *Cancel = [CCMenuItemImage itemFromNormalImage:@"reddarkButton.png" selectedImage:@"redlightButton.png" target:self selector:@selector(cancel:)];
		CCMenu *alertMenu = [CCMenu menuWithItems:Cancel, OK, nil];
		//alertMenu.anchorPoint = ccp(0,0);
		[alertMenu alignItemsHorizontallyWithPadding:10];
		alertMenu.position = ccp(size.width/2, size.height/2-30);
		[alertViewSprite addChild:alertMenu];

		CCLabelTTF *MessageLabel = [CCLabelTTF labelWithString:Message fontName:@"HelveticaNeue-Bold" fontSize:18];
		MessageLabel.position = ccp(alertViewSprite.contentSize.width/2, alertViewSprite.contentSize.height-20);
		[alertViewSprite addChild:MessageLabel];

		CCLabelTTF *SubMessageLabel = [CCLabelTTF labelWithString:SubMessage fontName:@"HelveticaNeue-Bold" fontSize:14];
		SubMessageLabel.position = ccp(alertViewSprite.contentSize.width/2, alertViewSprite.contentSize.height-50);
		[alertViewSprite addChild:SubMessageLabel];

		CCLabelTTF *OKlabel = [CCLabelTTF labelWithString:Button1 fontName:@"HelveticaNeue-Bold" fontSize:18];
		OKlabel.position = ccp(OK.contentSize.width/2, OK.contentSize.height/2);
		[OK addChild:OKlabel];

		CCLabelTTF *cancellabel = [CCLabelTTF labelWithString:Button2 fontName:@"HelveticaNeue-Bold" fontSize:18];
		cancellabel.position = ccp(Cancel.contentSize.width/2, Cancel.contentSize.height/2);
		[Cancel addChild:cancellabel];

		alertViewSprite.scale = .6;
		alertViewSprite.opacity = 150;

		id fadeIn = [CCFadeIn actionWithDuration:0.1];
		id scale1 = [CCSpawn actions:fadeIn, [CCScaleTo actionWithDuration:0.15 scale:1.1], nil];
		id scale2 = [CCScaleTo actionWithDuration:0.1 scale:0.9];
		id scale3 = [CCScaleTo actionWithDuration:0.05 scale:1.0];
		id pulse = [CCSequence actions:scale1, scale2, scale3, nil];

		[alertViewSprite runAction:pulse];

		[[SimpleAudioEngine sharedEngine] playEffect:@"alert.caf"];

    }

    return self;
}

-(void) resume:(id) sender
{
	[[CCDirector sharedDirector] replaceScene: [CCTransitionFade transitionWithDuration:1.0 scene: [Game scene] withColor:ccBLACK]];
}
-(void) cancel:(id) sender
{
	CCScene *scene = [[CCDirector sharedDirector] runningScene];
    [scene removeChild:self cleanup:YES];
}

@end

Initialization:

CCAlertView *alertView = [[CCAlertView alloc] init];
	alertView.isRelativeAnchorPoint = YES;
	alertView.position = ccp(self.contentSize.width/2, self.contentSize.height/2);

	[self.parent addChild:alertView z:1001 tag:kTagAlertView];

This could be cleaned up a bit and made a little easier to implement and should probably be derived from a CCSprite, but it works for me. If someone plays with it, let me know. :)

Posted 1 year ago #

bobertperry
Member

I played with it... here is the updated code.

//
//  CCAlertView.h
//  myApp
//
//  Created by Harvey Mills on 2/16/11.
//  Copyright 2011 __2BPM Software__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "cocos2d.h"

@interface CCAlertView : CCLayer {
	NSString *Message;
	NSString *SubMessage;
	NSString *Button1;
	NSString *Button2;

    CCSprite *alertViewSprite;

    CCLabelTTF *MessageLabel;
    CCLabelTTF *SubMessageLabel;
    CCMenuItemFont *OK;
    CCMenuItemFont *Cancel;

    id button1Target;
    SEL button1Selector;

    id button2Target;
    SEL button2Selector;

}

@property (nonatomic, retain) NSString *Message;
@property (nonatomic, retain) NSString *SubMessage;
@property (nonatomic, retain) NSString *Button1;
@property (nonatomic, retain) NSString *Button2;
@property (nonatomic, retain) id button1Target;
@property (nonatomic) SEL button1Selector;
@property (nonatomic, retain) id button2Target;
@property (nonatomic) SEL button2Selector;
@end

//
//  CCAlertView.m
//  myApp
//
//  Created by Harvey Mills on 2/16/11.
//  Copyright 2011 __2BPM Software__. All rights reserved.
//

#import "CCAlertView.h"

#import "Game.h"
#import "GameConfig.h"
#import "CCMenuItemFontWithStroke.h"
#import "CCLabelTTFWithStroke.h"

#define FONTNAME @"HelveticaNeue-Bold"

@implementation CCAlertView

@synthesize Message, SubMessage, Button1, Button2, button1Target, button1Selector, button2Target, button2Selector;

-(id) init  {

    if((self == [super init]))

    {
        self.isTouchEnabled = YES;
        //tODO
		alertViewSprite = [CCSprite spriteWithFile:@"pn.png"];
		[self addChild:alertViewSprite z:-1];
		// 287X139
		//CGSize size = CGSizeMake(287, 139);
		CGSize size = alertViewSprite.contentSize;
        self.anchorPoint = ccp(0,0);

		//self.Message = @"Do You Want to Try Again?";
		//self.SubMessage = @"All Game Data Will Be Reset!";
		Button1 = @"Okay";
		Button2 = @"Cancel";

        NSString * previousFontName = [CCMenuItemFont fontName];
        int previousFontSize = [CCMenuItemFont fontSize];

        [CCMenuItemFont setFontName:FONTNAME];
		[CCMenuItemFont setFontSize:18];

        OK = [CCMenuItemFontWithStroke itemFromString:Button1 target:self selector:@selector(buttonOneClicked:)];
        Cancel = [CCMenuItemFontWithStroke itemFromString:Button2 target:self selector:@selector(buttonTwoClicked:)];

        [CCMenuItemFont setFontName:previousFontName];
		[CCMenuItemFont setFontSize:previousFontSize];

        OK.anchorPoint = ccp(.5,0);
        Cancel.anchorPoint = ccp(.5,0);

        CCMenu *alertMenu = [CCMenu menuWithItems:Cancel, OK, nil];
		alertMenu.anchorPoint = ccp(.5,0);
		[alertMenu alignItemsHorizontallyWithPadding:10];
		alertMenu.position = ccp(size.width/2, 0);
		[alertViewSprite addChild:alertMenu];

		alertViewSprite.scale = .6;
		alertViewSprite.opacity = 150;

		id fadeIn = [CCFadeIn actionWithDuration:0.1];
		id scale1 = [CCSpawn actions:fadeIn, [CCScaleTo actionWithDuration:0.15 scale:1.1], nil];
		id scale2 = [CCScaleTo actionWithDuration:0.1 scale:0.9];
		id scale3 = [CCScaleTo actionWithDuration:0.05 scale:1.0];
		id pulse = [CCSequence actions:scale1, scale2, scale3, nil];

		[alertViewSprite runAction:pulse];
    }

    return self;
}

-(void) buttonOneClicked:(id) sender
{
    [self removeFromParentAndCleanup:YES];

    NSMethodSignature * sig = nil;

    if( button1Target && button1Selector ) {
        sig = [button1Target methodSignatureForSelector:button1Selector];

        NSInvocation *invocation = nil;
        invocation = [NSInvocation invocationWithMethodSignature:sig];
        [invocation setTarget:button1Target];
        [invocation setSelector:button1Selector];
#if NS_BLOCKS_AVAILABLE
        if ([sig numberOfArguments] == 3)
#endif
			[invocation setArgument:&self atIndex:2];

        [invocation invoke];
    }
}

-(void) buttonTwoClicked:(id) sender
{
    [self removeFromParentAndCleanup:YES];

    NSMethodSignature * sig = nil;

    if( button2Target && button2Selector ) {
        sig = [button2Target methodSignatureForSelector:button2Selector];

        NSInvocation *invocation = nil;
        invocation = [NSInvocation invocationWithMethodSignature:sig];
        [invocation setTarget:button2Target];
        [invocation setSelector:button2Selector];
#if NS_BLOCKS_AVAILABLE
        if ([sig numberOfArguments] == 3)
#endif
			[invocation setArgument:&self atIndex:2];

        [invocation invoke];
    }
}

-(void)setMessage:(NSString *)Message_{
    if (Message == nil) {
        [MessageLabel removeFromParentAndCleanup:YES];
    }
    [Message release];
    Message = [Message_ retain];

    if (Message_ != nil) {

        MessageLabel = [CCLabelTTFWithStroke labelWithString:Message fontName:FONTNAME fontSize:18 strokeSize:1 stokeColor:ccBLACK];
        MessageLabel.anchorPoint = ccp(.5,1);
        MessageLabel.position = ccp(alertViewSprite.contentSize.width/2, alertViewSprite.contentSize.height);
        [alertViewSprite addChild:MessageLabel];
    }
}

-(void)setSubMessage:(NSString *)SubMessage_{
    if (SubMessage == nil) {
        [SubMessageLabel removeFromParentAndCleanup:YES];
    }
    [SubMessage release];
    SubMessage = [SubMessage_ retain];

    if (SubMessage_ != nil) {
		SubMessageLabel = [CCLabelTTFWithStroke labelWithString:SubMessage fontName:FONTNAME fontSize:14 strokeSize:1 stokeColor:ccBLACK];
		SubMessageLabel.position = ccp(alertViewSprite.contentSize.width/2, alertViewSprite.contentSize.height/2);
		[alertViewSprite addChild:SubMessageLabel];
    }
}

-(void)setButton1:(NSString *)Button1_{
    if (Button1_ == nil) {
        Button1 = @" ";
    }else{
        Button1 = [Button1_ retain];
    }
    [OK setString:Button1];

}

-(void)setButton2:(NSString *)Button2_{
    if (Button2_ == nil) {
        Button2 = @" ";
    }else{
        Button2 = [Button2_ retain];
    }
    [Cancel setString:Button2];
}

@end

Example Usage:

CCMenuItemFontWithStroke * quit = [CCMenuItemFontWithStroke itemFromString:@"Quit" block:^(id sender){
            if ([defaults boolForKey:PlaySoundEffectsKey]) {
                [[SimpleAudioEngine sharedEngine] playEffect:MenuClickSound];
            }

            CCAlertView *alertView = [[CCAlertView alloc] init];
            alertView.isRelativeAnchorPoint = YES;
            alertView.position = ccp(self.contentSize.width/2, self.contentSize.height/2);
            alertView.Message = @"Are you sure?";
            alertView.SubMessage = @"Your progress will not be saved.";
            alertView.Button1 = @"Yes";
            alertView.button1Target = self;
            alertView.button1Selector = @selector(quit:);
            alertView.Button2 = @"NO";

            [self addChild:alertView z:1001];

        }];

Posted 1 year ago #

cocos
Member

@hm50 Thank you for sharing! Nice animation!
@bobertperry Great modifications! Could you show your implementation of CCLabelTTFWithStroke?

Posted 12 months ago #
hm50
Member

Very welcome, glad to help. Also nice fixes @bobertperry !

For anyone inquiring, it has been brought up in another thread, this code (my part) adopts the MIT license. :)

Posted 12 months ago #

Shogan
Member

This is a great little class. Thanks @hm50! (and @bobertperry for your improvements). Has anyone else tried the one with FontStroke? I have tried and can get most of it working, but this code is crashing my app:

-(void) buttonOneClicked:(id) sender
{
    [self removeFromParentAndCleanup:YES];

    NSMethodSignature * sig = nil;

    if( button1Target && button1Selector ) {
        sig = [button1Target methodSignatureForSelector:button1Selector];

        NSInvocation *invocation = nil;
        invocation = [NSInvocation invocationWithMethodSignature:sig];
        [invocation setTarget:button1Target];
        [invocation setSelector:button1Selector];
#if NS_BLOCKS_AVAILABLE
        if ([sig numberOfArguments] == 3)
#endif
			[invocation setArgument:&self atIndex:2];

        [invocation invoke];
    }
}

I get this in the console:

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[NSInvocation invocationWithMethodSignature:]: method signature argument cannot be nil'
*** Call stack at first throw:
(
	0   CoreFoundation                      0x33ac0987 __exceptionPreprocess + 114
	1   libobjc.A.dylib                     0x3347b49d objc_exception_throw + 24
	2   CoreFoundation                      0x33a6b05d +[NSInvocation invocationWithMethodSignature:] + 340
	3   ScoreTrack                          0x0000afb4 -[CCAlertView buttonOneClicked:] + 264
	4   CoreFoundation                      0x33a6bd04 __invoking___ + 68
	5   CoreFoundation                      0x33a6bbd5 -[NSInvocation invoke] + 108
	6   ScoreTrack                          0x0006eca8 -[CCMenuItem activate] + 92
	7   ScoreTrack                          0x0006c350 -[CCMenu ccTouchEnded:withEvent:] + 284
	8   CoreFoundation                      0x33a67fed -[NSObject(NSObject) performSelector:withObject:withObject:] + 24
	9   ScoreTrack                          0x000c69bc -[CCTouchDispatcher touches:withEvent:withTouchType:] + 1116
	10  ScoreTrack                          0x000c7338 -[CCTouchDispatcher touchesEnded:withEvent:] + 116
	11  ScoreTrack                          0x000c98a0 -[EAGLView touchesEnded:withEvent:] + 116
	12  UIKit                               0x3207b355 -[UIWindow _sendTouchesForEvent:] + 368
	13  UIKit                               0x3207accf -[UIWindow sendEvent:] + 262
	14  UIKit                               0x32065fc7 -[UIApplication sendEvent:] + 298
	15  UIKit                               0x32065907 _UIApplicationHandleEvent + 5090
	16  GraphicsServices                    0x33b0ef03 PurpleEventCallback + 666
	17  CoreFoundation                      0x33a556ff __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 26
	18  CoreFoundation                      0x33a556c3 __CFRunLoopDoSource1 + 166
	19  CoreFoundation                      0x33a47f7d __CFRunLoopRun + 520
	20  CoreFoundation                      0x33a47c87 CFRunLoopRunSpecific + 230
	21  CoreFoundation                      0x33a47b8f CFRunLoopRunInMode + 58
	22  GraphicsServices                    0x33b0e4ab GSEventRunModal + 114
	23  GraphicsServices                    0x33b0e557 GSEventRun + 62
	24  UIKit                               0x32099329 -[UIApplication _run] + 412
	25  UIKit                               0x32096e93 UIApplicationMain + 670
	26  ScoreTrack                          0x00002b10 main + 100
	27  ScoreTrack                          0x00002a74 start + 52
)
terminate called after throwing an instance of 'NSException'
Program received signal:  “SIGABRT”.

The odd thing is that the Other button code (which is identical but just for button two, works perfectly and dismisses the ccalertview.

*edit

Not sure what all the NSInvocation stuff is doing (i'll need to do some reading!), but removing that from the button one method and leaving in just

[self removeFromParentAndCleanup:YES];

removes it as I would expect for the "OK" button, so I'll just play around some more and get it to do what I need... Thanks again guys!

Posted 12 months ago #

cocos
Member

@Shogan NSInvocation stuff is to call your designated function after the button press.
It should be configured properly. Try this:

CCAlertView *alertView = [[CCAlertView alloc] init];
            alertView.isRelativeAnchorPoint = YES;
            alertView.position = ccp(self.contentSize.width/2, self.contentSize.height/2);
            alertView.Message = @"Are you sure?";
            alertView.SubMessage = @"Your progress will not be saved.";

            alertView.Button1 = @"Yes";
            alertView.button1Target = self;
	    alertView.button1Selector = @selector(onAlertButtonYes:); // <- funct. for YES

            alertView.Button2 = @"NO";

            [self addChild:alertView z:1001];

- (void) onAlertButtonYes:(id) alertView // companion function for YES button
{
	// do something
}

BTW: How do you implement CCLabelTTFWithStroke?

Posted 12 months ago #

Shogan
Member
@cocos, thank you. I see how it works now :) I was just trying to figure out how to call the function in my other class - your explanation made me click.

Regarding the TTFWithStroke, I'm not actually using it - I just changed all the references to it back to CCLabelTTF and took out the header references in the .m file.

So for example I am now using images for the buttons in the alertview instead like this:
```
OK = [CCMenuItemImage itemFromNormalImage:@"alertok.png" selectedImage:@"alertoks.png" target:self selector:@selector(buttonOneClicked:)];
        Cancel = [CCMenuItemImage itemFromNormalImage:@"alertno.png" selectedImage:@"alertnos.png" target:self selector:@selector(buttonTwoClicked:)];
```
and I have changed other stuff like this to normal CCLabelTTF:
```
SubMessageLabel = [CCLabelTTF labelWithString:SubMessage fontName:FONTNAME fontSize:14];
```
Posted 12 months ago #

bobertperry
Member

Forgot I used the my stroke wraper. If anyone is curious it's located at another post:
http://www.cocos2d-iphone.org/forum/topic/12126

I'll post it here too:

//
//  CCMenuItemFontWithStroke.h
//  test2
//
//  Created by Robert Perry on 2/5/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "cocos2d.h"

@interface CCMenuItemFontWithStroke : CCMenuItemFont  {
    int stokeSize;
    ccColor3B strokeColor;

}

@property (nonatomic) int stokeSize;
@property (nonatomic)ccColor3B strokeColor;

-(id) initFromString: (NSString*) value target:(id) rec selector:(SEL) cb  strokeSize:(int)strokeSize stokeColor:(ccColor3B)color;
@end

//
//  CCMenuItemFontWithStroke.m
//  test2
//
//  Created by Robert Perry on 2/5/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "CCMenuItemFontWithStroke.h"

@implementation CCMenuItemFontWithStroke

@synthesize stokeSize;
@synthesize strokeColor;

#define kTagStroke 1029384756

+(CCRenderTexture*) createStroke: (CCLabelTTF*) label   size:(float)size   color:(ccColor3B)cor
{
	CCRenderTexture* rt = [CCRenderTexture renderTextureWithWidth:label.texture.contentSize.width+size*2  height:label.texture.contentSize.height+size*2];
	CGPoint originalPos = [label position];
	ccColor3B originalColor = [label color];
	BOOL originalVisibility = [label visible];
	[label setColor:cor];
	[label setVisible:YES];
	ccBlendFunc originalBlend = [label blendFunc];
	[label setBlendFunc:(ccBlendFunc) { GL_SRC_ALPHA, GL_ONE }];
	CGPoint bottomLeft = ccp(label.texture.contentSize.width * label.anchorPoint.x + size, label.texture.contentSize.height * label.anchorPoint.y + size);
	//CGPoint positionOffset = ccp(label.texture.contentSize.width * label.anchorPoint.x - label.texture.contentSize.width/2,label.texture.contentSize.height * label.anchorPoint.y - label.texture.contentSize.height/2);
    //use this for adding stoke to its self...
    CGPoint positionOffset= ccp(-label.contentSize.width/2,-label.contentSize.height/2);

	CGPoint position = ccpSub(originalPos, positionOffset);

	[rt begin];
	for (int i=0; i<360; i+=30) // you should optimize that for your needs
	{
		[label setPosition:ccp(bottomLeft.x + sin(CC_DEGREES_TO_RADIANS(i))*size, bottomLeft.y + cos(CC_DEGREES_TO_RADIANS(i))*size)];
		[label visit];
	}
	[rt end];
	[label setPosition:originalPos];
	[label setColor:originalColor];
	[label setBlendFunc:originalBlend];
	[label setVisible:originalVisibility];
	[rt setPosition:position];
	return rt;
}

-(id) initFromString: (NSString*) value target:(id) rec selector:(SEL) cb  strokeSize:(int)strokeSize stokeColor:(ccColor3B)color
{

	self = [super initFromString:value target:rec selector:cb];

    self.strokeColor = color;
    self.stokeSize = strokeSize;

	if ([label_ isKindOfClass: [CCLabelTTF class]]) {
		CCRenderTexture * stroke  = [CCMenuItemFontWithStroke createStroke:(CCLabelTTF*)label_ size:strokeSize color:strokeColor];
		[self addChild:stroke z:-1 tag:kTagStroke];
	}else{
		NSLog(@"Error adding stroke in menu, label_ is not a CCLabelTTF.  This has only been tested on cocos2d 99.5");
	}

	return self;
}

//default 1 pixel, black
-(id) initFromString: (NSString*) value target:(id) rec selector:(SEL) cb {
    return [self initFromString:value target:rec selector:cb strokeSize:3 stokeColor:ccBLACK];
}

-(void) setString:(NSString *)string
{
	[super setString:string];

	if ([label_ isKindOfClass: [CCLabelTTF class]]) {
		[self removeChildByTag:kTagStroke cleanup:YES];
		CCRenderTexture * stroke  = [CCMenuItemFontWithStroke createStroke:(CCLabelTTF*)label_ size:stokeSize color:strokeColor];
		[self addChild:stroke z:-1 tag:kTagStroke];

	}else{
		NSLog(@"Error adding stroke in menu, label_ is not a CCLabelTTF.  This has only been tested on cocos2d 99.5");
	}

}

@end

Posted 11 months ago #

lynnpye
Member

I ran into an interesting problem using CCAlertView.

I have a layer which is used for a game level. When the player finishes the level, I present a CCAlertView asking whether to continue or quit to the main menu.

It turned out that because the CCAlertView gets added to the layer as a child, the layer has a retained copy of the alertview. But because the alertview is configured to use the layer as a target for the button1 and 2 methods, the alertview has retained a copy of the layer. As a result, my layer was never being deallocated and the game would crash after playing for a bit.

In my specific case, I felt comfortable altering the following two lines in the header from:

@property (nonatomic, retain) id button1Target;
@property (nonatomic, retain) id button2Target;

to:

@property (nonatomic, assign) id button1Target;
@property (nonatomic, assign) id button2Target;

because I knew that the targets in this case are being handled by cocos2d, thus eliminating my retain loop and allowing the game to work properly. There may be a more elegant solution, perhaps releasing the targets when the buttons are clicked or something, but I took the shortcut in my case.

I hope this is helpful.

Posted 11 months ago #

jpswensen
Member

Another good modification is to use the new word wrap features of release 1.0.1 in CCLabelTTF to make it a bit easier to get multiline submessage.

-(void)setSubMessage:(NSString *)SubMessage_{
    if (SubMessage == nil) {
        [SubMessageLabel removeFromParentAndCleanup:YES];
    }
    [SubMessage release];
    SubMessage = [SubMessage_ retain];

    if (SubMessage_ != nil) {
		//SubMessageLabel = [CCLabelTTFWithStroke labelWithString:SubMessage fontName:FONTNAME fontSize:14 strokeSize:1 stokeColor:ccBLACK];
        //SubMessageLabel = [CCLabelTTF labelWithString:SubMessage fontName:FONTNAME fontSize:14];

        SubMessageLabel = [CCLabelTTF labelWithString:SubMessage
                                           dimensions:CGSizeMake(0.8*alertViewSprite.contentSize.width,alertViewSprite.contentSize.height/2)
                                            alignment:CCTextAlignmentCenter
                                        lineBreakMode:CCLineBreakModeWordWrap
                                             fontName:FONTNAME
                                             fontSize:14];

		SubMessageLabel.position = ccp(alertViewSprite.contentSize.width/2, alertViewSprite.contentSize.height/2);
		[alertViewSprite addChild:SubMessageLabel];
    }
}

Posted 8 months ago #

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