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];
}];
}
