IOS Implementation Sideslip Bar effect _ios

Effect

Source: Https://github.com/YouXianMing/iOS-Project-Examples in the Sideviewcontroller

VIEWCONTROLLER.M//Sideviewcontroller////Created by youxianming on 16/6/6. COPYRIGHT©2016 year youxianming.
All rights reserved.

#import "ViewController.h" #import "LeftViewController.h" #import "MainViewController.h" #import "Uiview+setrect.h"

@interface Viewcontroller () {cgfloat _screenwidth;}
@property (nonatomic, strong) Uipangesturerecognizer *pangesture;

@property (nonatomic) Cgpoint panbeginpoint;
@property (nonatomic, strong) Leftviewcontroller *leftviewcontroller;

@property (nonatomic, strong) UIView *leftview;
@property (nonatomic, strong) Mainviewcontroller *mainviewcontroller;

@property (nonatomic, strong) UIView *mainview;
 
 @end @implementation Viewcontroller-(void) viewdidload {[Super viewdidload];
 Init some value.
 
 _screenwidth = Width;
 Add Backgroundview.
 Uiimageview *backgroundview = [[Uiimageview alloc] initWithFrame:self.view.bounds];
 Backgroundview.image = [UIImage imagenamed:@ "Back"]; [Self.view ADDSUBview:backgroundview];
 Leftviewcontroller Self.leftviewcontroller = [[Leftviewcontroller alloc] init];
 Self.leftview = Self.leftViewController.view;
 
 [Self.view AddSubview:self.leftView];
 Mainviewcontroller Self.mainviewcontroller = [[Mainviewcontroller alloc] init];
 Self.mainview = Self.mainViewController.view;
 
 [Self.view AddSubview:self.mainView];
 Pan gesture.
 Self.pangesture = [[Uipangesturerecognizer alloc] initwithtarget:self action: @selector (pangestureevent:)];
[Self.mainview AddGestureRecognizer:self.panGesture]; }-(void) Pangestureevent: (Uipangesturerecognizer *) gesture {cgpoint translation = [gesture translationinview:gesture
 . view];
 
 Cgpoint velocity = [gesture velocityInView:gesture.view];
 CGFloat gap = _screenwidth/3.f * 2;
 
 CGFloat sensitiveposition = _screenwidth/2.f;
  
 if (velocity.x < 0 && _mainview.x <= 0) {//filter off to left side of the case _mainview.x = 0.F; else {if (gesture.state = UigesturerecognizerstatEbegan) {//start _panbeginpoint = translation;
   if (_mainview.x >= sensitiveposition) {_panbeginpoint.x-= gap; } else if (gesture.state = = uigesturerecognizerstatechanged) {//value changes _mainview.x = translation.x-_pan
   
   Beginpoint.x;
   if (_mainview.x <= 0) {//filter off to the left side of the case _mainview.x = 0.F; } else if (gesture.state = uigesturerecognizerstateended) {//end [UIView animatewithduration:0.20f ANI mations:^{_mainview.x >= sensitiveposition?
   (_mainview.x = Gap): (_mainview.x = 0);
  }];
 }}} @end

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