1.viewcontroller
.m
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- (void)viewdidload { [super viewdidload]; uibutton *button = [uibutton buttonwithtype:uibuttontypecustom]; button.backgroundcolor = [uicolor lightgraycolor]; button.frame = cgrectmake(10, 100, 60, 30); [button addtarget:self action:@selector(buttonclick) forcontrolevents:uicontroleventtouchupinside]; [self.view addsubview:button]; self.navigationcontroller.delegate = self;}- (void)buttonclick{ ///跳转到kkviewcontroller [self performseguewithidentifier:@"pusht" sender:nil];} |
头部代理
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@interface viewcontroller ()<uinavigationcontrollerdelegate> |
代理方法
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- (void)navigationcontroller:(uinavigationcontroller *)navigationcontroller willshowviewcontroller:(uiviewcontroller *)viewcontroller animated:(bool)animated { [self.navigationcontroller setnavigationbarhidden: [self hiddenbarvc: viewcontroller] animated: animated];}- (bool)hiddenbarvc:(uiviewcontroller *)viewcontroller { bool needhidenaivgaionbar = no; if ([viewcontroller iskindofclass: [kkviewcontroller class]]) { needhidenaivgaionbar = yes; } return needhidenaivgaionbar;} |
2.kkviewcontroller（目标viewcontroller）
新建一个kkviewcontroller
.h
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@property (nonatomic,strong) id popdelegate; |
.m
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- (void)viewdidload { [super viewdidload]; self.title = @"第二个页面"; [self popset];}- (void)popset{ _popdelegate = self.navigationcontroller.interactivepopgesturerecognizer.delegate; sel action = nsselectorfromstring(@"handlenavigationtransition:"); uipangesturerecognizer *poppangesture = [[uipangesturerecognizer alloc] initwithtarget:self.popdelegate action:action]; poppangesture.maximumnumberoftouches = 1; poppangesture.delegate = self; [self.view addgesturerecognizer: poppangesture];} |
头部代理
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@interface kkviewcontroller ()<uigesturerecognizerdelegate> |
手势代理方法
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- (bool)gesturerecognizershouldbegin:(uipangesturerecognizer *)gesturerecognizer{ ///【下面两个方法写一个】 ///全屏拖动 cgpoint tragpoint = [gesturerecognizer translationinview:gesturerecognizer.view]; if (tragpoint.x <= 0){ return no; } else{ if (self.navigationcontroller.viewcontrollers.count <= 1){ return no; } else{ return yes; } }// ///局部允许拖动// cgpoint tragpoint = [gesturerecognizer locationinview:gesturerecognizer.view];// nslog(@"x=%f;y=%f",tragpoint.x,tragpoint.y);// if (tragpoint.x > 60){///拖动的范围// return no;// }// else{// if (self.navigationcontroller.viewcontrollers.count <= 1) {// return no;// }// else{// return yes;// }// }} |
效果图
总结
以上所述是小编给大家介绍的ios 导航栏无缝圆滑的隐藏 navigationbar，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：http://www.cnblogs.com/wangkejia/archive/2017/11/17/7852934.html
