#import <UIKit/UIKit.h> @interface TJShakeProgressView : UIView @property(nonatomic,assign)CGFloat progress; @end
//
// TJShakeProgressView.m
// TJShakeProgressView
//
// Created by MJ on 15/7/6.
// Copyright (c) 2015年 TJ. All rights reserved.
//
#import "TJShakeProgressView.h"
@interface TJShakeProgressView ()
{
UIView *firstView;
UIView *secondView;
UIView *thirldView;
UIView *fourView;
UIView *contentView;
NSMutableArray *viewArray;
NSInteger count;
CGFloat temp;
}
@end
@implementation TJShakeProgressView
- (void)awakeFromNib
{
[super awakeFromNib];
[self setUp];
}
- (void)setUp
{
contentView = [[UIView alloc]init];
contentView.translatesAutoresizingMaskIntoConstraints = NO;
contentView.backgroundColor = [UIColor clearColor];
firstView = [[UIView alloc]init];
secondView = [[UIView alloc]init];
thirldView = [[UIView alloc]init];
fourView = [[UIView alloc]init];
[self addSubview:contentView];
NSArray *contentView_H = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[contentView]|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(contentView)];
NSArray *contentView_V = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[contentView]|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(contentView)];
[self addConstraints:contentView_H];
[self addConstraints:contentView_V];
viewArray = [NSMutableArray arrayWithArray:@[firstView,secondView,thirldView,fourView]];
for (UIView *views in viewArray)
{
views.backgroundColor = [UIColor colorWithRed:arc4random()%255/256.f green:arc4random()%255/256.f blue:arc4random()%255/256.f alpha:1.f];
views.translatesAutoresizingMaskIntoConstraints = NO;
[contentView addSubview:views];
NSLayoutConstraint *constraint_Bottom = [NSLayoutConstraint constraintWithItem:views attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:contentView attribute:NSLayoutAttributeBottom multiplier:1.f constant:0.f];
[contentView addConstraint:constraint_Bottom];
}
NSArray *allView_H = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|-[firstView]-[secondView(firstView)]-[thirldView(secondView)]-[fourView(thirldView)]-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(firstView,secondView,thirldView,fourView)];
[contentView addConstraints:allView_H];
}
- (void)setProgress:(CGFloat )progress
{
if (progress<0.f) {
_progress = 0.0f;
}
else if (progress<=1.0f)
{
_progress = progress;
}
else
{
_progress = 1.f;
}
for (UIView *views in viewArray)
{
count++;
temp = count%2?0.75:0.45;
[views needsUpdateConstraints];
NSLayoutConstraint *constraint_Height = [NSLayoutConstraint constraintWithItem:views attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:contentView attribute:NSLayoutAttributeHeight multiplier:(_progress*temp) constant:0.f];
[contentView addConstraint:constraint_Height];
[views layoutIfNeeded];
CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"position.y"];
basic.toValue = @(_progress*contentView.bounds.size.height);
basic.repeatDuration = MAXFLOAT;
basic.duration = 0.60f;
basic.autoreverses= YES;
[views.layer addAnimation:basic forKey:@"test"];
}
}
@end
#import "ViewController.h"
#import "TJShakeProgressView.h"
@interface ViewController ()
@property (weak, nonatomic) IBOutlet TJShakeProgressView *progressView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
_progressView.progress = 0.81;
}
