李华明Himi 原创,转载务必在明显处注明:
转载自【黑米GameDev街区】 原文链接: http://www.himigame.com/iphone-cocos2d/492.html
-------------【11月28日更新解决添加组件Cocos2d动画停止播放的BUG】--------
【iOS-Cocos2d游戏开发之七】在cocos2d中添加/删除系统组件,并解决View设置透明会影响View中的其他组件的问题【11月28日更新解决添加组件Cocos2d动画停止播放的BUG】!
首先申明下:希望大家转载的时候不要忘记给原文连接,看到不少论坛转载完全变成他们论坛自己原创了~ 请大家配合哈~谢谢~娃哈哈;
本篇Himi为童鞋们介绍两个常用的知识点:一个是在Cocos2d中添加UILocalNotification本地化通知,另外一个就是添加UIScrollViewiOS系统组件实现滚动字幕效果;
对于UILocalNotification这个本地化通知功能实现比较简单,用途很广,最大的用途就是阶段性的让用户回归我们的应用中;那么下面就直接上代码:
因为是添加到cocos2d引擎中,另一方面一般我们需要用户进入我们应用后就开启通知功能的;所以我们将代码放在 AppDelegate.m 类中的applicationDidFinishLaunching中,代码如下:
[cpp] view plaincopyprint?- (void) applicationDidFinishLaunching:(UIApplication*)application
{
...
application.applicationIconBadgeNumber = 0;//应用程序右上角的数字=0(消失)
[[UIApplication sharedApplication] cancelAllLocalNotifications];//取消所有的通知
//------通知;
UILocalNotification *notification=[[UILocalNotification alloc] init];
if (notification!=nil) {//判断系统是否支持本地通知
notification.fireDate=[NSDate dateWithTimeIntervalSinceNow:kCFCalendarUnitDay];//本次开启立即执行的周期
notification.repeatInterval=kCFCalendarUnitDay;//循环通知的周期
notification.timeZone=[NSTimeZone defaultTimeZone];
notification.alertBody=@"哇,我的女神,你怎了?";//弹出的提示信息
notification.applicationIconBadgeNumber=1; //应用程序的右上角小数字
notification.soundName= UILocalNotificationDefaultSoundName;//本地化通知的声音
notification.alertAction = NSLocalizedString(@"营救女神!", nil); //弹出的提示框按钮
[[UIApplication sharedApplication] scheduleLocalNotification:notification];
}
...
}
- (void) applicationDidFinishLaunching:(UIApplication*)application
{
...
application.applicationIconBadgeNumber = 0;//应用程序右上角的数字=0(消失)
[[UIApplication sharedApplication] cancelAllLocalNotifications];//取消所有的通知
//------通知;
UILocalNotification *notification=[[UILocalNotification alloc] init];
if (notification!=nil) {//判断系统是否支持本地通知
notification.fireDate=[NSDate dateWithTimeIntervalSinceNow:kCFCalendarUnitDay];//本次开启立即执行的周期
notification.repeatInterval=kCFCalendarUnitDay;//循环通知的周期
notification.timeZone=[NSTimeZone defaultTimeZone];
notification.alertBody=@"哇,我的女神,你怎了?";//弹出的提示信息
notification.applicationIconBadgeNumber=1; //应用程序的右上角小数字
notification.soundName= UILocalNotificationDefaultSoundName;//本地化通知的声音
notification.alertAction = NSLocalizedString(@"营救女神!", nil); //弹出的提示框按钮
[[UIApplication sharedApplication] scheduleLocalNotification:notification];
}
...
}
这里Himi首先是将之前的所有通知都取消掉,防止开启多个循环本地化通知,并且让应用右上角的数字设置为0,这里设置为0就相当与取消数字的显示了;
然后需要说明的是循环通知的周期,iOS提供如下一些周期:
[cpp] view plaincopyprint?enum {
kCFCalendarUnitEra = (1UL << 1),
kCFCalendarUnitYear = (1UL << 2),
kCFCalendarUnitMonth = (1UL << 3),
kCFCalendarUnitDay = (1UL << 4),
kCFCalendarUnitHour = (1UL << 5),
kCFCalendarUnitMinute = (1UL << 6),
kCFCalendarUnitSecond = (1UL << 7),
kCFCalendarUnitWeek = (1UL << 8) /* CF_DEPRECATED(10_4, 10_7, 2_0, 5_0) */,
kCFCalendarUnitWeekday = (1UL << 9),
kCFCalendarUnitWeekdayOrdinal = (1UL << 10),
#if MAC_OS_X_VERSION_10_6 <= MAC_OS_X_VERSION_MAX_ALLOWED || __IPHONE_4_0 <= __IPHONE_OS_VERSION_MAX_ALLOWED
kCFCalendarUnitQuarter = (1UL << 11),
#endif
#if MAC_OS_X_VERSION_10_7 <= MAC_OS_X_VERSION_MAX_ALLOWED || __IPHONE_5_0 <= __IPHONE_OS_VERSION_MAX_ALLOWED
kCFCalendarUnitWeekOfMonth = (1UL << 12),
kCFCalendarUnitWeekOfYear = (1UL << 13),
kCFCalendarUnitYearForWeekOfYear = (1UL << 14),
#endif
};
enum {
kCFCalendarUnitEra = (1UL << 1),
kCFCalendarUnitYear = (1UL << 2),
kCFCalendarUnitMonth = (1UL << 3),
kCFCalendarUnitDay = (1UL << 4),
kCFCalendarUnitHour = (1UL << 5),
kCFCalendarUnitMinute = (1UL << 6),
kCFCalendarUnitSecond = (1UL << 7),
kCFCalendarUnitWeek = (1UL << 8) /* CF_DEPRECATED(10_4, 10_7, 2_0, 5_0) */,
kCFCalendarUnitWeekday = (1UL << 9),
kCFCalendarUnitWeekdayOrdinal = (1UL << 10),
#if MAC_OS_X_VERSION_10_6 <= MAC_OS_X_VERSION_MAX_ALLOWED || __IPHONE_4_0 <= __IPHONE_OS_VERSION_MAX_ALLOWED
kCFCalendarUnitQuarter = (1UL << 11),
#endif
#if MAC_OS_X_VERSION_10_7 <= MAC_OS_X_VERSION_MAX_ALLOWED || __IPHONE_5_0 <= __IPHONE_OS_VERSION_MAX_ALLOWED
kCFCalendarUnitWeekOfMonth = (1UL << 12),
kCFCalendarUnitWeekOfYear = (1UL << 13),
kCFCalendarUnitYearForWeekOfYear = (1UL << 14),
#endif
}; 下面是真机截图:
以上是在我真机iOS5系统上的测试效果,主界面中的展示效果以及通知栏内的通知效果,在iOS5之前都会出现类似弹出一个框,框中有你设置的按钮名称和提示文字~
OK,这个知识点就不多说了,比较easy;下面介绍如何在cocos2d中添加UIScrollView;
对于UIScrollView视图,比较常用,Android也有此视图,那么它用途比较广,最常用也是最容易想到的就是利用此功能实现游戏中公司介绍、字幕滚动效果,那么Himi就简单的实现在cocos2d中利用UIScrollView添加一个无线循环滚动的小例子加以讲解;
注意:对于还不知道如何在cocos2d中添加系统组建的童鞋请移步到《【Cocos2d游戏开发之七】在cocos2d中添加/删除系统组件,并解决View设置透明会影响View中的其他组件的问题!》此贴学习先,下面开始添加:
首先我们新建一个cocos2d项目,然后添加显示一个自定义的MyView(UIViewController)的视图,并且在MyView.xib中添加了一些label和ScrollView组件中;
如下图:
然后修改MyView.h,和MyView.m类,在MyView.h中如下代码:
[cpp] view plaincopyprint?@interface MyView : UIViewController{
IBOutlet UIScrollView *scrollView;
}
@property(nonatomic,retain)IBOutlet UIScrollView *scrollView;
@end
@interface MyView : UIViewController{
IBOutlet UIScrollView *scrollView;
}
@property(nonatomic,retain)IBOutlet UIScrollView *scrollView;
@end
.h类中添加了一个UIScrollView并使用UIScrollViewDelegate协议,并IBOutlet出去,接着让xib文件中的UIScrollView组件连接此scrollView;
之后在MyView.m中添加如下代码:
1.添加一行如下代码:
[cpp] view plaincopyprint?@synthesize scrollView;
@synthesize scrollView; 2.在- (void)viewDidLoad{}中添加如下代码:
[cpp] view plaincopyprint?- (void)viewDidLoad
{
[super viewDidLoad];
//滚动view
scrollView.delegate = self;
scrollView.scrollEnabled = YES;
scrollView.contentSize = CGSizeMake(100, 249);//设置滚动的可视区域
// Do any additional setup after loading the view from its nib.
}
- (void)viewDidLoad
{
[super viewDidLoad];
//滚动view
scrollView.delegate = self;
scrollView.scrollEnabled = YES;
scrollView.contentSize = CGSizeMake(100, 249);//设置滚动的可视区域
// Do any additional setup after loading the view from its nib.
}
整个MyView.m代码如下:
[cpp] view plaincopyprint?//
// MyView.m
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright (c) 2011年 __MyCompanyName__. All rights reserved.
//
#import "MyView.h"
@implementation MyView
@synthesize scrollView;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
#pragma mark - View lifecycle
- (void)viewDidLoad
{
[super viewDidLoad];
//滚动view
scrollView.delegate = self;
scrollView.scrollEnabled = YES;
scrollView.contentSize = CGSizeMake(100, 249);//设置滚动的可视区域
// Do any additional setup after loading the view from its nib.
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
@end
//
// MyView.m
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright (c) 2011年 __MyCompanyName__. All rights reserved.
//
#import "MyView.h"
@implementation MyView
@synthesize scrollView;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
#pragma mark - View lifecycle
- (void)viewDidLoad
{
[super viewDidLoad];
//滚动view
scrollView.delegate = self;
scrollView.scrollEnabled = YES;
scrollView.contentSize = CGSizeMake(100, 249);//设置滚动的可视区域
// Do any additional setup after loading the view from its nib.
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
@end
OK,运行代码即可,运行效果如下:
可以拖动ScrollView中的数据了,ScrollView默认显示滚动条的,可以代码设置隐藏也可以xib中对ScrollView属性调整都可以;
下面介绍如何让ScrollView中的数据无限循环运动:
首先在HelloWorldLayer.m种的init添加我们自定义view的下面设置一个选择器:
[cpp] view plaincopyprint?[self schedule:@selector(viewAddPointY) interval:0.03];//每0.03秒执行一次viewAddPointY方法
[self schedule:@selector(viewAddPointY) interval:0.03];//每0.03秒执行一次viewAddPointY方法 然后viewAddPointY方法是Himi自定义的函数,代码如下:
[cpp] view plaincopyprint?-(void)viewAddPointY{
view.scrollView.contentOffset=ccpAdd(view.scrollView.contentOffset, ccp(0,0.5));//让UIScrollView显示内容每次慢慢向上移动0.5像素
//view.scrollView.contentSize.height :得到UIScrollView的高度
if(view.scrollView.contentOffset.y>=view.scrollView.contentSize.height){
view.scrollView.contentOffset=ccp(0,-view.scrollView.frame.size.height);
}
}
-(void)viewAddPointY{
view.scrollView.contentOffset=ccpAdd(view.scrollView.contentOffset, ccp(0,0.5));//让UIScrollView显示内容每次慢慢向上移动0.5像素
//view.scrollView.contentSize.height :得到UIScrollView的高度
if(view.scrollView.contentOffset.y>=view.scrollView.contentSize.height){
view.scrollView.contentOffset=ccp(0,-view.scrollView.frame.size.height);
}
}
运行效果如下:
备注:我的Xcode是4.2用的模拟器是iOS5的模拟器,可能童鞋们按照我的这个教程运行后发现虽然UIScrollView中的数据滚动了但是没有循环播放,这个是因为模拟器的问题,Himi真机测试无问题的~
好了,最后我把 HelloWorldLayer.h 和HelloWorldLayer.m也完整放上来,省得有的童鞋不知道添加代码的地方也方便童鞋们拷贝代码;
HelloWorldLayer.h
[cpp] view plaincopyprint?//
// HelloWorldLayer.h
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright __MyCompanyName__ 2011年. All rights reserved.
//
// When you import this file, you import all the cocos2d classes
#import "cocos2d.h"
#import "MyView.h"
// HelloWorldLayer
@interface HelloWorldLayer : CCLayer
{
MyView *view;
}
// returns a CCScene that contains the HelloWorldLayer as the only child
+(CCScene *) scene;
@end
//
// HelloWorldLayer.h
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright __MyCompanyName__ 2011年. All rights reserved.
//
// When you import this file, you import all the cocos2d classes
#import "cocos2d.h"
#import "MyView.h"
// HelloWorldLayer
@interface HelloWorldLayer : CCLayer
{
MyView *view;
}
// returns a CCScene that contains the HelloWorldLayer as the only child
+(CCScene *) scene;
@end
HelloWorldLayer.m
[cpp] view plaincopyprint?//
// HelloWorldLayer.m
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright __MyCompanyName__ 2011年. All rights reserved.
//
// Import the interfaces
#import "HelloWorldLayer.h"
#import "MyView.h"
// HelloWorldLayer implementation
@implementation HelloWorldLayer
+(CCScene *) scene
{
CCScene *scene = [CCScene node];
HelloWorldLayer *layer = [HelloWorldLayer node];
[scene addChild: layer];
return scene;
}
-(id) init
{
if( (self=[super init])) {
view= [[MyView alloc] initWithNibName:@"MyView" bundle:nil];
[[[CCDirector sharedDirector] openGLView] addSubview:view.view];
[self schedule:@selector(viewAddPointY) interval:0.03];//每0.03秒执行一次viewAddPointY方法
}
return self;
}
-(void)viewAddPointY{
view.scrollView.contentOffset=ccpAdd(view.scrollView.contentOffset, ccp(0,0.5));//让UIScrollView显示内容每次慢慢向上移动0.5像素
//view.scrollView.contentSize.height :得到UIScrollView的高度
if(view.scrollView.contentOffset.y>=view.scrollView.contentSize.height){
view.scrollView.contentOffset=ccp(0,-view.scrollView.frame.size.height);
}
}
- (void) dealloc
{
[super dealloc];
}
@end
//
// HelloWorldLayer.m
// ScrollViewByHimi
//
// Created by 华明 李 on 11-10-22.
// Copyright __MyCompanyName__ 2011年. All rights reserved.
//
// Import the interfaces
#import "HelloWorldLayer.h"
#import "MyView.h"
// HelloWorldLayer implementation
@implementation HelloWorldLayer
+(CCScene *) scene
{
CCScene *scene = [CCScene node];
HelloWorldLayer *layer = [HelloWorldLayer node];
[scene addChild: layer];
return scene;
}
-(id) init
{
if( (self=[super init])) {
view= [[MyView alloc] initWithNibName:@"MyView" bundle:nil];
[[[CCDirector sharedDirector] openGLView] addSubview:view.view];
[self schedule:@selector(viewAddPointY) interval:0.03];//每0.03秒执行一次viewAddPointY方法
}
return self;
}
-(void)viewAddPointY{
view.scrollView.contentOffset=ccpAdd(view.scrollView.contentOffset, ccp(0,0.5));//让UIScrollView显示内容每次慢慢向上移动0.5像素
//view.scrollView.contentSize.height :得到UIScrollView的高度
if(view.scrollView.contentOffset.y>=view.scrollView.contentSize.height){
view.scrollView.contentOffset=ccp(0,-view.scrollView.frame.size.height);
}
}
- (void) dealloc
{
[super dealloc];
}
@end
OK,本篇结束;再次提醒下,希望大家转载的时候不要忘记给原文连接,看到不少论坛转载完全变成他们论坛自己原创了~ 请大家配合下哈~谢谢~
【2011年11月15日更新:】
注意:有的童鞋使用系统的UIScrollView的时候出现如下问题:
《因为尝试了些coco2d写的scrollview感觉效果都不太理想,所以打算用UIScrollView来实现一些功能的,可是遇到这样一个棘手的问题,感觉整个cocos2d都停止了一样,连显示的FPS也停了,只要scrollview一停止滑动,所有的动画效果都立刻恢复了。。。请问有高人知道怎么解决这个问题么?感激不禁~》
解决方法如下:
[html] view plaincopyprint?0.99.5版本的..
首先:在CCDirectorIOS.m 文件中 第640行 找到以下注释.
//
// If you want to attach the opengl view into UIScrollView
// uncomment this line to prevent 'freezing'. It doesn't work on
// with the Fast Director
//
// [[NSRunLoop currentRunLoop] addTimer:animationTimerforMode:NSRunLoopCommonModes]; <-去掉这行代码注释.
第二.
在 AppDelegate.m 文件中找到.
if( ! [CCDirector setDirectorType:kCCDirectorTypeDisplayLink] ) <-注释这一行 强制设置 CCDirector 为kCCDirectorTypeNSTimer类型.
[CCDirector setDirectorType:kCCDirectorTypeNSTimer];<- 如果类型不是kCCDirectorTypeNSTimer,则设置类型为 kCCDirectorTypeNSTimer
搞定..