Objective C implements custom translucent navigation

  • 2020-06-01 11:04:04
  • OfStack

The example of this article for you to share the Objective-C translucent navigation of the specific implementation code, for your reference, the specific content is as follows

#define kScreenWidth [[UIScreen mainScreen] bounds].size.width
#define kScreenHeight [[UIScreen mainScreen] bounds].size.height
#import "RSwenNav.h"
@implementation RSwenNav
 UIVisualEffectView *effectview;
 self=[super initWithFrame:frame];
 if (self) {
  UIBlurEffect *blur = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
 effectview = [[UIVisualEffectView alloc] initWithEffect:blur];
 [self addSubview:effectview];
 [self addSubviews];
 return self;
// Add a navigation subview 
 [self addSubview:self.backBtn];
 [self addSubview:self.titleLabel];
 [self addSubview:self.rightBtn];
-(UIButton *)backBtn{
 UIButton * btn=[UIButton buttonWithType:UIButtonTypeCustom];
 btn.frame=CGRectMake(20, 20, 60, 44);
 [btn setTitle:@" return " forState:UIControlStateNormal];
 [btn addTarget:self action:@selector(RSwenNavback) forControlEvents:UIControlEventTouchUpInside];
 return btn;
-(UILabel *)titleLabel{
 UILabel * lable=[[UILabel alloc]init];
 lable.font=[UIFont systemFontOfSize:17];
 lable.frame=CGRectMake(100, 20, kScreenWidth-200, 44);
 lable.text=@" My home page ";
 return lable;
-(UIButton *)rightBtn{
 UIButton * btn=[UIButton buttonWithType:UIButtonTypeCustom];
 btn.frame=CGRectMake([UIScreen mainScreen].bounds.size.width-100, 20, 80, 44);
 [btn setTitle:@" save " forState:UIControlStateNormal];
 [btn addTarget:self action:@selector(rightBtnClicked) forControlEvents:UIControlEventTouchUpInside];
 return btn;
#pragma  Event handling section 
// Return to the previous screen 
 // To obtain UIView The upper UIViewController
 id object = [self nextResponder];
 while (![object isKindOfClass:[UIViewController class]] &&
  object != nil) {
 object = [object nextResponder];
 UIViewController *uc=(UIViewController*)object;
 [uc.navigationController popViewControllerAnimated:YES];
// The right button is clicked 
 if ([_delegate respondsToSelector:@selector(RSwenNavrightBtnClicked)]) {
 [_delegate RSwenNavrightBtnClicked];

The above is the entire content of this article, I hope to help you with your study.

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