OBJECTIVE-C implementation of custom translucent navigation _ios

This example for you to share the Objective-c translucent navigation of the specific implementation code for your reference, the specific contents are as follows

#define kScreenWidth [[UIScreen mainScreen] bounds] .size.width
#define kScreenHeight [[UIScreen mainScreen] bounds] .size.height
 
#import "RSwenNav.h"
 
@implementation RSwenNav
{
 UIVisualEffectView * effectview;
}
-(instancetype) initWithFrame: (CGRect) frame {
 self = [super initWithFrame: frame];
 if (self) {
  UIBlurEffect * blur = [UIBlurEffect effectWithStyle: UIBlurEffectStyleLight];
 effectview = [[UIVisualEffectView alloc] initWithEffect: blur];
 effectview.frame = frame;
 [self addSubview: effectview];
 [self addSubviews];
 }
 return self;
}
 
// Add navigation subview
-(void) addSubviews {
 [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.textAlignment = NSTextAlignmentCenter;
 lable.frame = CGRectMake (100, 20, kScreenWidth-200, 44);
 lable.text = @ "My Home";
 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 interface
-(void) RSwenNavback {
 // Get UIView's 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
-(void) rightBtnClicked {
 if ([_delegate respondsToSelector: @selector (RSwenNavrightBtnClicked)]) {
 [_delegate RSwenNavrightBtnClicked];
 }
}
 
@end 

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