IOS開發(fā)UI篇導航控制器屬性和基本使用

IOS開發(fā)UI篇導航控制器屬性和基本使用IOS開發(fā)UI篇導航控制器屬性和基本使用作者：文頂頂公布日期：2014-06-0520:01:55我來說兩句(0)0Tag標簽：控制器屬性IOS開發(fā)UI篇—導航控制器屬性和基本使用一、導航控制器的一些屬性和基本使用1.把子控制器增添到導航控制器中的四種方法1）1.創(chuàng)立一個導航控制器UINavigationController*nav=[[UINavigationControlleralloc]init];2.設(shè)置導航控制器為window的根視圖self.window.rootViewController=nav;3.增添YYOneViewController*one=[[YYOneViewControlleralloc]init];[navpushViewController:oneanimated:YES];2）1.創(chuàng)立一個導航控制器UINavigationController*nav=[[UINavigationControlleralloc]init];2.設(shè)置導航控制器為window的根視圖self.window.rootViewController=nav;3.增添YYOneViewController*one=[[YYOneViewControlleralloc]init];[navaddChildViewController:one];3）1.創(chuàng)立一個導航控制器UINavigationController*nav=[[UINavigationControlleralloc]init];2.設(shè)置導航控制器為window的根視圖self.window.rootViewController=nav;3.增添YYOneViewController*one=[[YYOneViewControlleralloc]init];nav.viewControllers=@[one];（增添到導航控制器的棧中）說明：nav.viewControllers;==nav.childViewControllers;注意該屬性是只讀的，所以不可以像下邊這樣寫。nav.childViewControllers=@[one];（4）最常用的方法YYOneViewController*one=[[YYOneViewControlleralloc]init];UINavigationController*nav=[[UINavigationControlleralloc]initWithRootViewController:one];2.當前子控制器界面導航欄的標題以及對應(yīng)返回標題的設(shè)置self.navigationItem.title=@"第一個界面";self.navigationItem.backBarButtonItem=[[UIBarButtonItemalloc]initWithTitle:@"返回一"style:UIBarButtonItemStylePlaintarget:nilaction:nil];3.給導航欄增添按鈕說明：可增添一個，也可以增添多個（數(shù)組）增添導航欄左側(cè)的按鈕(增添一個相機圖標的按鈕),會蓋掉返回self.navigationItem.leftBarButtonItem=[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCameratarget:nilaction:nil];4.界面跳轉(zhuǎn)跳轉(zhuǎn)到第二個界面(當前為第三個，移除當前棧頂?shù)目刂破?[self.navigationControllerpopViewControllerAnimated:YES];移除辦理棧底控制器以外的全部控制器[self.navigationControllerpopToRootViewControllerAnimated:YES];只需傳入棧中的某一個控制器,就會跳轉(zhuǎn)到指定控制器[self.navigationControllerpopToViewController:<#(UIViewController*)#>animated:<#(BOOL)#>];二、代碼示例YYAppDelegate.m文件viewsourceprint?01.1//02.2//導航控制器的使用104.4//05.5//Createdbyappleon

01-14-6-4.06.6//Copyright(c)2014年應(yīng)用程序啟動達成即會調(diào)用15.15-(BOOL)application:(UIApplication*)applicationdidFinishLaunchingWithOptions:(NSDictionary*)launchOptions16.16{17.17self.window=[[UIWindowalloc]initWithFrame:[[UIScreenmainScreen]bounds]];18.18self.window.backgroundColor=[UIColorwhiteColor];19.19增添子控制器到導航控制器中22.22//第一種也是最常用的一種23.23//YYOneViewController*one=[[YYOneViewControlleralloc]init];24.24//UINavigationController*nav=[[UINavigationControlleralloc]initWithRootViewController:one];25.2526.26//1.創(chuàng)立一個導航控制器27.27UINavigationController*nav=[[UINavigationControlleralloc]init];28.28//2.設(shè)置導航控制器為window的根視圖29.29self.window.rootViewController=nav;30.3031.31//第二種

32.32

YYOneViewController

*one=[[YYOneViewController

alloc]init];33.33

[navpushViewController:oneanimated:YES];34.34

35.35//第三種36.36//[navaddChildViewController:one];37.37//第四種(增添到導航控制器的棧中)38.38//nav.viewControllers=@[one];39.3940.40//導航控制器的棧41.41//nav.viewControllers;==nav.childViewControllers;42.42//注意該屬性是只讀的，所以不可以像下邊這樣寫43.43//nav.childViewControllers=@[one];44.4445.4546.46[self.windowmakeKeyAndVisible];47.47returnYES;48.48}49.4950.50@endYYOneViewController.m文件viewsourceprint?01.1//02.2//01-導航控制器的使用104.4//05.5//Createdbyappleon14-6-4.06.6//Copyright(c)2014年itcase.Allrightsreserved.07.7//08.809.9#import"YYOneViewController.h"10.10#import"YYTwoViewController.h"11.1112.12@interfaceYYOneViewController( )13.13/**14.14跳轉(zhuǎn)到第二個界面15.15@end19.1920.20@implementation(IBAction)jump2two:(id)sender{24.24//1.創(chuàng)立第二個子控制器25.25YYTwoViewController//2.把子控制器增添到導航控制器中

28.28

//有什么方法可以拿到導航控制器？

29.29

//只需當前控制器是導航控制器的子控制器，那么就可以經(jīng)過該屬性直接獲得到當前控制器所在的導航控制器

30.30[self.navigationControllerpushViewController:twoanimated:YES];31.31}32.3233.33-(void)viewDidLoad34.34{35.35[superviewDidLoad];36.36//控制當前控制器對應(yīng)的導航條顯示的內(nèi)容37.37self.navigationItem.title=@"第一個界面";38.38//更正返回按鈕顯示的內(nèi)容39.39self.navigationItem.backBarButtonItem=[[UIBarButtonItemalloc]initWithTitle:@"返回一"style:UIBarButtonItemStylePlaintarget:nilaction:nil];40.40}41.41@endYYTwoViewController.m文件viewsourceprint?01.1//02.2////01-導航控制器的使用104.4//05.5//Createdbyappleon14-6-4.06.6//Copyright(c)2014年itcase.Allrightsreserved.07.7//08.809.9#import"YYTwoViewController.h"10.10#import"YYThreeViewController.h"11.11@interfaceYYTwoViewController( )12.12-跳轉(zhuǎn)到第三個子控制器19.19-(IBAction)jump2Three:(id)sender{20.20//1.創(chuàng)立第三個子控制器21.21YYThreeViewController*three=[[YYThreeViewControlleralloc]init];22.22//2.將子控制器增添到導航控制器中23.23[self.navigationControllerpushViewController:threeanimated:YES];24.24}25.2526.26-(void)viewDidLoad27.27{28.28[superviewDidLoad];29.29//給導航欄增添按鈕30.30//增添導航欄左側(cè)的按鈕(增添一個相機圖標的按鈕),會蓋掉返回31.31//self.navigationItem.leftBarButtonItem=[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCameratarget:nilaction:nil];32.32

33.33//為導航欄在右側(cè)增添多個按鈕

34.34

//創(chuàng)立兩個按鈕

35.35UIBarButtonItem*a=[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemStoptarget:nilaction:nil];36.36UIBarButtonItem*b=[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemReplytarget:nilaction:nil];37.37UIBarButtonItem*c=[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCameratarget:nilaction:nil];38.38self.navigationItem.rightBarButtonItems=@[a,b,c];39.3940.40//設(shè)置對應(yīng)的導航條的返回（第三個界面導航條的返回）41.41self.navigationItem.backBarButtonItem=[[UIBarButtonItemalloc]initWithTitle:@"返回"style:UIBarButtonItemStyleBorderedtarget:nilaction:nil];42.42}43.43@endYYThreeViewController.m文件viewsourceprint?01.1//02.2//導航控制器的使用Copyright2014年itcase.Allrightsreserved.07.7//08.809.9#import"YYThreeViewController.h"10.10#import"YYTwoViewController.h"11.1112.12@interfaceYYThreeViewController( )13.13//返回到第二個控制器頁面14.14-(IBAction)jump2two:(id)sender;15.15//返回到第一個控制器頁面@end19.1920.20@implementation(IBAction)jump2two:(id)sender{24.24//跳轉(zhuǎn)到第二個界面(移除當前棧頂?shù)目刂破?IBAction)jump2root:(id)sender{29.29//移除辦理棧底控制器以外的全部控制器30.30[self.navigationController//只需傳入棧中的某一個控制器,就會跳轉(zhuǎn)到指定控制器33.33//不可以這樣，沒增添到導航控制器YYTwoViewController*two=[[YYTwoViewControlleralloc]init];34.34//[self.navigationControllerpopToViewController:<#(UIViewController*)#>animated:<#(BOOL)#>];35.35}36.36@end實現(xiàn)成效：三、導航控制器經(jīng)過棧來管理子控制器表示圖：說明：導航控制器是經(jīng)過棧的形式來管理子控制器的（先進后出）顯示在導航控制器上得view永久是棧頂控制器的view一個導航控制器只有一個導航條，也就是說全部的自控制器公用一個導航條。四、增補在代理方法中，打印當前window下邊的全部子控件，并經(jīng)過xml文件來保存，代碼以下。viewsourceprint?01.//應(yīng)用程序獲得焦點(代表著可以和用戶交互)02.-(void)applicationDidBecomeActive:(UIApplication*)application03.{04.NSLog(@"applicationDidBecomeActive");06.07.UINavigationController*nav=(UINavigationController*)self.window.rootViewController;08.UINavigationBar*bar=nav.navigationBar;09.//NSLog(@"%@",NSStringFromCGRect(bar.frame));10.11.NSString*str=[selfdigView:self.window];12.[strwriteToFile:@"/Users/apple/Desktop/ios6.xml"atomically:YES];13.14.}15.16./**17.*返回傳入veiw的全部層級結(jié)構(gòu)18.*19.*@paramview需要獲得層級結(jié)構(gòu)的view20.*21.*@return字符串22.*/23.-(NSString*)digView:(UIView*)view24.{25.if([viewisKindOfClass:[UITableViewCellclass]])return@"";26.//1.初始化27.NSMutableString*xml=[NSMutableStringstring];28.29.//2.標簽開頭30.[xmlappendFormat:@"<%@frame=\"%@\"",view.class,NSStringFromCGRect(view.frame)];31.if(!CGPointEqualToPoint(view.bounds.origin,CGPointZero)){32.[xmlappendFormat:@"bounds=\"%@\"",NSStringFromCGRect(view.bounds)];33.}34.35.if([viewisKindOfClass:[UIScrollViewclass]]){36.UIScrollView*scroll(UIScrollView*)view;