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這篇文章主要介紹iOS如何制作帶彈跳動畫發(fā)布界面,文中介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們一定要看完!
效果圖:
代碼:
// PublishView.m // UIImage+ImageEffects.h 蘋果蒙化圖片的分類 pop.h彈跳動畫框架 EJExtension.h模型轉(zhuǎn)換框架 // ComposeModel 用于設(shè)置按鈕文字與圖片的模型,在本地設(shè)置plist文件保存image(按鈕圖片)和text(按鈕文字) #import "PublishView.h" #import "BSVerticalButton.h" #import "UIImage+ImageEffects.h" #import "pop.h" #import "MJExtension.h" #import "ComposeModel.h" @interface PublishView () /** 取消按鈕 */ @property (nonatomic, weak) UIButton *cancelButton; @end @implementation PublishView /** 全局 window_ */ static UIWindow *window_; /** 顯示發(fā)布view */ + (void)show{ // 添加一個獨立的window是為了隔離點擊事件 window_ = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds]; window_.hidden = NO; PublishView *publish = [[PublishView alloc]init]; publish.frame = window_.bounds; [window_ addSubview:publish]; } - (instancetype)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { UIImageView *imageView = [[UIImageView alloc]initWithImage:[self getEffectImage]]; [self addSubview:imageView]; [self setupUI]; } return self; } - (void)setupUI{ //這里用自定義的 window 是為了隔絕點擊事件 不讓點擊事件傳到后面控制器的view上去 // 按鈕彈跳動畫時讓view本身不能點擊 self.userInteractionEnabled = NO; // 從plis文件獲得一個模型數(shù)組 NSArray *buttonModelArray = [ComposeModel mj_objectArrayWithFilename:@"buttonImage.plist"]; CGFloat button_w = 72; CGFloat button_h = button_w + 30; NSInteger maxLoc = 3; //最多列數(shù) //按鈕彈跳動畫停止后的起始 y 值 CGFloat buttonEnd_y = ([[UIScreen mainScreen] bounds].size.height - button_h * 2) / 2; //最開始在屏幕外上方的的起始 y 值 CGFloat buttonBegin_y = buttonEnd_y - [[UIScreen mainScreen] bounds].size.height; //按鈕的起始間隙值 CGFloat buttonStartMargin = 20; //中間的一個按鈕相對于兩邊按鈕的間隙 CGFloat buttonMargin = ([[UIScreen mainScreen] bounds].size.width - buttonStartMargin * 2 - button_w * maxLoc) / (maxLoc - 1); for (NSInteger i = 0; i < buttonModelArray.count; ++i) { // BSVerticalButton 自定義的垂直排布按鈕 BSVerticalButton *button = [[BSVerticalButton alloc]init]; button.tag = i; [self addSubview:button]; [button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside]; ComposeModel *composeModel = buttonModelArray[i]; [button setImage:[UIImage imageNamed:composeModel.image] forState:UIControlStateNormal]; [button setTitle:composeModel.text forState:UIControlStateNormal]; [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; button.titleLabel.font = [UIFont systemFontOfSize:14]; NSInteger loc = i % maxLoc; //例號 NSInteger row = i / maxLoc; //行號 CGFloat button_x = buttonStartMargin + loc * (button_w + buttonMargin); CGFloat buttonBginAnimation_y = buttonBegin_y + (button_h * row); //彈跳前的 y 值 CGFloat buttonEndAnimation_y = buttonEnd_y + (button_h * row); //彈跳后的 y 值 //創(chuàng)建pop彈簧動畫對象 POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewFrame]; animation.beginTime = CACurrentMediaTime() + i * 0.1; //動畫開始時間 animation.springBounciness = 10; //彈簧增強 0-20 animation.springSpeed = 8; //彈簧速度 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)]; //中間的按鈕添加動畫 [button pop_addAnimation:animation forKey:nil]; } // 添加品牌logo UIImageView *topImageView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"compose_slogan"]]; topImageView.center = CGPointMake([[UIScreen mainScreen] bounds].size.width * 0.5, [[UIScreen mainScreen] bounds].size.height * 0.2 - [[UIScreen mainScreen] bounds].size.height); [self addSubview:topImageView]; // POPBasicAnimation 基本的動畫 // POPSpringAnimation 彈簧動畫 // POPDecayAnimation 減速動畫 // POPCustomAnimation 自定義動畫 //創(chuàng)建pop彈簧動畫對象 POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewCenter]; animation.beginTime = CACurrentMediaTime() + buttonModelArray.count * 0.001; //動畫開始時間 animation.springBounciness = 10; //彈簧增強 0-20 animation.springSpeed = 10; //彈簧速度 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(@"-------這里可以寫動畫結(jié)束后所要執(zhí)行的代碼..."); // view本身開啟交互 self.userInteractionEnabled = YES; }; //給頂部的圖片添加動畫 [topImageView pop_addAnimation:animation forKey:nil]; // 底部取消按鈕 UIButton *cancelButton = [UIButton buttonWithType:UIButtonTypeSystem]; [cancelButton setTitle:@"取 消" forState:UIControlStateNormal]; cancelButton.titleLabel.font = [UIFont systemFontOfSize:15]; [cancelButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [cancelButton setBackgroundColor:[UIColor whiteColor]]; [cancelButton addTarget:self action:@selector(cancelButtonClick:) forControlEvents:UIControlEventTouchUpInside]; [self addSubview:cancelButton]; self.cancelButton = cancelButton; } - (void)cancelButtonClick:(UIButton *)button{ // 退出時執(zhí)行動畫 方法的參數(shù)block傳空 [self animationWithBlock:nil]; } - (void)layoutSubviews{ [super layoutSubviews]; // 取消按鈕位置大小 CGPoint center = self.cancelButton.center; center.x = self.center.x; self.cancelButton.center = center; CGRect frame = self.cancelButton.frame; frame.origin.y = self.frame.size.height * 0.85; frame.size = CGSizeMake(200, 35); self.cancelButton.frame = frame; } - (void)buttonClick:(UIButton *)button{ [self animationWithBlock:^{ switch (button.tag) { case 0: NSLog(@"發(fā)視頻"); break; case 1: NSLog(@"發(fā)圖片"); break; case 2:{ NSLog(@"發(fā)段子"); } break; case 3: NSLog(@"發(fā)聲音"); break; case 4: NSLog(@"審貼子"); break; case 5: NSLog(@"離線下載"); break; default: break; } }]; } /** 退出時與點出了某個按鈕時執(zhí)行的彈跳動畫后銷毀 window_ 移除 這個蒙板 view ,如果block參數(shù)completionBlock有值先銷毀window_后再執(zhí)行這個block里的代碼塊 */ - (void)animationWithBlock:(void (^) ())completionBlock{ NSLog(@"----%@\n",self.subviews); //退出的時候這里用自定義的 window 是為了隔絕點擊事件 不讓點擊事件傳到后面控制器的view上去 // view本身不能點 self.userInteractionEnabled = NO; // 選移除取消按鈕 [self.cancelButton removeFromSuperview]; for (NSInteger i = 1; i < self.subviews.count; ++i) { UIView *view = self.subviews[i]; //創(chuàng)建pop基本動畫對象 POPBasicAnimation *animation = [POPBasicAnimation animationWithPropertyNamed:kPOPViewCenter]; // POPSpringAnimation *animation = [POPSpringAnimation animationWithPropertyNamed:kPOPViewCenter]; animation.beginTime = CACurrentMediaTime() + (i-1) * 0.1; //動畫開始時間 // 如果用這個基類 POPBasicAnimation 動畫的執(zhí)行節(jié)奏(一開始很慢, 后面很快) animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn]; CGPoint center = view.center; //取出中心點 animation.toValue = [NSValue valueWithCGPoint:CGPointMake(center.x , center.y + [[UIScreen mainScreen] bounds].size.height)]; if (i == self.subviews.count-1) { //說明是最后一個 view在做動畫,就讓執(zhí)行結(jié)束的 block // 動畫結(jié)束時調(diào)用的 block animation.completionBlock = ^(POPAnimation *anim, BOOL finished){ NSLog(@"取消時 這里可以寫動畫結(jié)束后所要執(zhí)行的代碼..."); [self removeFromSuperview]; window_ = nil; //銷毀自定義的 window !completionBlock ? : completionBlock(); }; } //給頂部的圖片添加動畫 [view pop_addAnimation:animation forKey:nil]; } } - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{ [self animationWithBlock:nil]; } // 獲得一個磨紗蒙板 image 圖片 - (UIImage *)getEffectImage{ UIWindow *window = [UIApplication sharedApplication].keyWindow; //獲取當前 window UIGraphicsBeginImageContext(window.size); //開啟window大小的圖形上下文 CGContextRef ref = UIGraphicsGetCurrentContext(); //開啟圖形上下文 [window.layer renderInContext:ref]; //把window圖層 渲染到圖形上下文當中 UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); //獲取圖片 UIGraphicsEndImageContext(); //關(guān)閉圖形上下文 image = [image applyLightEffect]; //調(diào)用 image 分類方法 使圖片調(diào)成蒙板狀態(tài) return image; } @end
項目中用到的垂直布局自定義按鈕 BSVerticalButton
#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]; //按鈕內(nèi)部圖片 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; //按鈕內(nèi)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; //按鈕自身大小 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
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