#import "BSPublishVC.h"

#import "BSVerticalButton.h"

#import <POP.h>

@interface BSPublishVC ()

@end

@implementation BSPublishVC

- (void)viewDidLoad {

[super viewDidLoad];

//背景图征

UIImageView *imageView = [[UIImageView alloc]init];

imageView.frame = [UIScreen mainScreen].bounds;

// shareBottomBackground

imageView.image = [UIImage imageNamed:@"shareBottomBackground"];

imageView.contentMode = UIViewContentModeScaleToFill;

[self.view addSubview:imageView];

//退出按钮

UIButton *cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];

[cancelButton setTitle:@"退出" forState:UIControlStateNormal];

[cancelButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

[cancelButton setBackgroundImage:[UIImage imageNamed:@"FollowBtnBg"] forState:UIControlStateNormal];

[cancelButton setBackgroundImage:[UIImage imageNamed:@"FollowBtnClickBg"] forState:UIControlStateHighlighted];

CGRect frame = cancelButton.frame;

frame.size = CGSizeMake(200, 30);

frame.origin.y = [UIScreen mainScreen].bounds.size.height * 0.8;

cancelButton.frame = frame;

CGPoint point = cancelButton.center;

point.x = [UIScreen mainScreen].bounds.size.width * 0.5;

cancelButton.center = point;

[cancelButton addTarget:self action:@selector(cancelButtonClick) forControlEvents:UIControlEventTouchUpInside];

[imageView addSubview:cancelButton];

//让一开始动画时不让控制的view失去交互，那这时在做动时点击按钮等都不会起作用

self.view.userInteractionEnabled = NO;

NSArray *buttonImages = @[@"publish-video",@"publish-picture",@"publish-text",@"publish-audio",@"publish-review",@"publish-offline"];

NSArray *buttonTitles = @[@"发视频",@"发图片",@"发段子",@"发声音",@"审贴子",@"离线下载"];

CGFloat button_w = 72;

CGFloat button_h = button_w + 30;

NSInteger maxLoc = 3; //最多列数

//按钮弹跳动画停止后的起始 y 值

CGFloat buttonEnd_y = ([[UIScreen mainScreen] bounds].size.height - button_h * 2) / 2;

//最开始在屏幕外上方的的起始 y 值

CGFloat buttonBegin_y = buttonEnd_y - [[UIScreen mainScreen] bounds].size.height;

//按钮的起始间隙值

CGFloat buttonStartMargin = 20;

//中间的一个按钮相对于两边按钮的间隙

CGFloat buttonMargin = ([[UIScreen mainScreen] bounds].size.width - buttonStartMargin * 2 - button_w * maxLoc) / (maxLoc - 1);

for (NSInteger i = 0; i < buttonImages.count; ++i) {

BSVerticalButton *button = [[BSVerticalButton alloc]init];

button.tag = i;

[self.view addSubview:button];

[button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];

[button setImage:[UIImage imageNamed:buttonImages[i]] forState:UIControlStateNormal];

[button setTitle:buttonTitles[i] forState:UIControlStateNormal];

[button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];

button.titleLabel.font = [UIFont systemFontOfSize:14];

NSInteger loc = i % maxLoc;   //例号

NSInteger row = i / maxLoc;   //行号

CGFloat button_x = buttonStartMargin + loc * (button_w + buttonMargin);

CGFloat buttonBginAnimation_y = buttonBegin_y + (button_h * row); //弹跳前的 y 值

CGFloat buttonEndAnimation_y = buttonEnd_y + (button_h * row); //弹跳后的 y 值

//创建pop弹簧动画对象

POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewFrame];

animation.beginTime = CACurrentMediaTime() + i * 0.1; //动画开始时间

animation.springBounciness = 10; //弹簧增强 0-20

animation.springSpeed = 8; //弹簧速度 0-20

animation.fromValue = [NSValue valueWithCGRect:CGRectMake(button_x, buttonBginAnimation_y, button_w, button_h)];

animation.toValue = [NSValue valueWithCGRect:CGRectMake(button_x, buttonEndAnimation_y, button_w, button_h)];

//中间的按钮添加动画

[button pop_addAnimation:animation forKey:nil];

}

UIImageView *topImageView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"app_slogan"]];

topImageView.center = CGPointMake([[UIScreen mainScreen] bounds].size.width * 0.5, [[UIScreen mainScreen] bounds].size.height * 0.2 - [[UIScreen mainScreen] bounds].size.height);

[self.view addSubview:topImageView];

//创建pop弹簧动画对象

POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewCenter];

animation.beginTime = CACurrentMediaTime() + buttonImages.count * 0.001; //动画开始时间

animation.springBounciness = 10; //弹簧增强 0-20

animation.springSpeed = 10; //弹簧速度 0-20

CGFloat center_x = [[UIScreen mainScreen] bounds].size.width * 0.5;

CGFloat endCenter_y = [[UIScreen mainScreen] bounds].size.height * 0.2;

CGFloat beginCenter_y = endCenter_y - [[UIScreen mainScreen] bounds].size.height;

animation.fromValue = [NSValue valueWithCGPoint:CGPointMake(center_x, beginCenter_y)];

animation.toValue = [NSValue valueWithCGPoint:CGPointMake(center_x, endCenter_y)];

animation.completionBlock = ^(POPAnimation *anim, BOOL finished){

NSLog(@"-------这里可以写动画结束后所要执行的代码...");

self.view.userInteractionEnabled = YES; //动画完时让view开启交互

};

//给顶部的图片添加动画

[topImageView pop_addAnimation:animation forKey:nil];

}

- (void)buttonClick:(UIButton *)button{

[self cancelButtonClick];

[self animationWithBlock:^{

switch (button.tag) {

case 0:

NSLog(@"发视频");

break;

case 1:

NSLog(@"发图片");

break;

case 2:

NSLog(@"发段子");

break;

case 3:

NSLog(@"发声音");

break;

case 4:

NSLog(@"审贴子");

break;

case 5:

NSLog(@"离线下载");

break;

default:

break;

}

}];

}

// 退出发布界面的动画

- (void)animationWithBlock:(void (^) ())completionBlock{

//退出时也不让所有的按钮或view能点击

self.view.userInteractionEnabled = NO;

for (NSInteger i = 1; i < self.view.subviews.count; ++i) {

UIView *view = self.view.subviews[i];

//创建pop基本动画对象

POPBasicAnimation *animation = [POPBasicAnimation animationWithPropertyNamed:kPOPViewCenter];

//        POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewCenter];

animation.beginTime = CACurrentMediaTime() + (i - 1) * 0.085; //动画开始时间

// 如果用这个基类 POPBasicAnimation  动画的执行节奏(一开始很慢, 后面很快)

animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];

CGPoint center = view.center;

CGRect frame = view.frame;

animation.toValue = [NSValue valueWithCGPoint:CGPointMake(center.x,  frame.origin.y + SCREEN_H)];

if (i == self.view.subviews.count - 1) { //说明是最后一个 view在做动画,就让执行结束的 block

// 动画结束时调用的 block

animation.completionBlock = ^(POPAnimation *anim, BOOL finished){

NSLog(@"取消时 这里可以写动画结束后所要执行的代码...");

[self dismissViewControllerAnimated:NO completion:nil];

if (completionBlock) {

completionBlock();

}

//                !completionBlock ? : completionBlock();

};

}

//给顶部的图片添加动画

[view pop_addAnimation:animation forKey:nil];

}

}

- (void)cancelButtonClick{

[self animationWithBlock:nil];

}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

[self animationWithBlock:nil];

}

@end

#import "BSVerticalButton.h"

@implementation BSVerticalButton

- (instancetype)initWithFrame:(CGRect)frame

{

self = [super initWithFrame:frame];

if (self) {

[self setupUI];

}

return self;

}

- (void)awakeFromNib{

[super awakeFromNib];

[self setupUI];

}

- (void)setupUI{

self.titleLabel.textAlignment = NSTextAlignmentCenter;

}

- (void)layoutSubviews{

[super layoutSubviews];

//按钮内部图片 frame

CGRect imageViewFrame = self.imageView.frame;

imageViewFrame.origin.x = 0;

imageViewFrame.origin.y = 0;

imageViewFrame.size.width = self.bounds.size.width;

imageViewFrame.size.height = self.bounds.size.width;

self.imageView.frame = imageViewFrame;

//按钮内部label frame

CGRect titleLabelFrame = self.titleLabel.frame;

titleLabelFrame.origin.x = 0;

titleLabelFrame.origin.y = self.imageView.frame.size.height + 10;

titleLabelFrame.size.width = self.bounds.size.width;

self.titleLabel.frame = titleLabelFrame;

//按钮自身大小

CGRect buttonBounds = self.bounds;

buttonBounds.size.width = self.imageView.frame.size.width;

buttonBounds.size.height = self.imageView.bounds.size.height + self.titleLabel.bounds.size.height + 10;

self.bounds = buttonBounds;

}

@end