LoadingView 自定义加载图片

#import <UIKit/UIKit.h>

@interface LoadingView : UIView

@property (nonatomic,strong) NSMutableArray *giftImageArray;

+(id)showLoadingView;

+(void)hidenLoadingView:(LoadingView *)loadingView;

@end

#import "LoadingView.h"

- (instancetype)init

{

self = [super init];

if (self) {

self.frame = CGRectMake( 0, 0, ScreenWidth, ScreenHeight);

UIView *backView = [[UIView alloc]initWithFrame:CGRectMake( 0, 0, ScreenWidth, ScreenHeight)];

backView.backgroundColor = [UIColor blackColor];

backView.alpha = 0.7;

[self addSubview:backView];

}

return self;

}

+(id)showLoadingView{

LoadingView *loadingView = [[LoadingView alloc]init];

NSMutableArray *array = [NSMutableArray array];

for (int i = 0; i < 7; i++) {

UIImage *image = [UIImage imageNamed:[NSString stringWithFormat: @"loading_da%d",i+1]];

[array addObject:image];

}

UIImageView *loading = [[UIImageView alloc]initWithFrame:CGRectMake( ScreenWidth/2-Width(77), ScreenHeight/2 - Width(77), Width(154), Width(154))];

[loadingView addSubview:loading];

[UIView animateWithDuration:1 animations:^{

} completion:^(BOOL finished) {

loadingView.giftImageArray = array;

loading.animationDuration = 0.7;

loading.animationImages = loadingView.giftImageArray;

loading.animationRepeatCount = 0;

loading.image = [loadingView.giftImageArray firstObject];

[loading startAnimating];

}];

[loadingView show];

return loadingView;

}

+(void)hidenLoadingView:(LoadingView *)loadingView{

[loadingView performSelector:@selector(hide) withObject:nil afterDelay:0.4];

}

//添加 背景灰度

- (void)show{

//添加到window上 就不需要再次添加到self.view上了

UIWindow *win = [[UIApplication sharedApplication] keyWindow];

UIView *topView = [win.subviews objectAtIndex:0];

[topView addSubview:self];

[UIView animateWithDuration:0.1 animations:^{

[self layoutIfNeeded];

}];

}

- (void)hide{

[UIView animateWithDuration:0.1 animations:^{

self.alpha = 0;

[self layoutIfNeeded];

} completion:^(BOOL finished) {

[self removeFromSuperview];

}];

}