IOS UIActivityIndicatorView 等待指示器

自己做的一个 等待指示器

#import <UIKit/UIKit.h>

@interface RockIndicatorView : UIView

{

}

@property(nonatomic,strong) UIView * indBgView;

@property(nonatomic,strong) UIActivityIndicatorView * indView;

@property(nonatomic,strong) UILabel * textLabel;

+(void)showWihtParent:(UIView * )parentView;

+(void)dismiss;

@end

//////////////////////////////////////////////////////////////////////////////////////////////////////

//

//  RockIndicatorView.m

//  test_demo

//

//  Created by zhuang chaoxiao on 14-5-18.

//  Copyright (c) 2014年 zhuang chaoxiao. All rights reserved.

//

#import "RockIndicatorView.h"

@implementation RockIndicatorView

- (id)initWithFrame:(CGRect)frame

{

self = [super initWithFrame:frame];

if (self) {

// Initialization code

self.backgroundColor = [UIColorclearColor];

self.frame = [[UIScreen mainScreen] bounds];

self.userInteractionEnabled = NO;

}

returnself;

}

+(RockIndicatorView*)shareView

{

static RockIndicatorView * indView = nil;

staticdispatch_once_t  once;

dispatch_once(&once , ^(void){

indView = [[RockIndicatorViewalloc]initWithFrame:[[UIScreenmainScreen] bounds]];

});

return indView;

}

-(UILabel*)textLabel

{

if( _textLabel == nil )

{

CGRect rect = CGRectMake(0, 0, 50, 12);

_textLabel = [[UILabel alloc]initWithFrame:rect];

_textLabel.text = @"加载中...";

_textLabel.font = [UIFont systemFontOfSize:10];

_textLabel.textColor = [UIColor whiteColor];

[self.indBgViewaddSubview:_textLabel];

NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStylealloc]init];

paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;

NSDictionary *attributes = @{NSFontAttributeName:[UIFontsystemFontOfSize:10], NSParagraphStyleAttributeName:paragraphStyle.copy};

CGSize labelSize = [_textLabel.textboundingRectWithSize:CGSizeMake(50,12) options:NSStringDrawingUsesLineFragmentOriginattributes:attributes context:nil].size;

labelSize.height = ceil(labelSize.height);

labelSize.width = ceil(labelSize.width);

_textLabel.frame = CGRectMake(0, 0, labelSize.width, labelSize.height);

_textLabel.center = CGPointMake(self.indBgView.frame.size.width/2, self.indBgView.frame.size.height/2+10);

}

return  _textLabel;

}

-(UIView *)indBgView

{

if( _indBgView == nil )

{

CGRect rect = CGRectMake(0, 0, 60, 60);

_indBgView = [[UIView alloc]initWithFrame:rect];

rect = [[UIScreen mainScreen] bounds];

_indBgView.backgroundColor = [UIColorblackColor];

_indBgView.center = CGPointMake(rect.origin.x + rect.size.width/2, rect.origin.y + rect.size.height/2);

_indBgView.userInteractionEnabled = NO;

_indBgView.alpha = 0;

_indBgView.layer.cornerRadius = 10.0f;

[self addSubview:_indBgView];

}

return_indBgView;

}

-(UIActivityIndicatorView*)indView

{

if( _indView == nil )

{

CGRect rect = CGRectMake(0, 0, 60, 60);

_indView = [[UIActivityIndicatorViewalloc]initWithFrame:rect];

_indView.center = CGPointMake(self.indBgView.frame.size.width/2, self.indBgView.frame.size.height/2 - 10);

[self.indBgViewaddSubview:_indView];

}

return_indView;

}

-(void)showAnimWithParent:(UIView*)parentView

{

[parentView addSubview:self];

[self.indViewstartAnimating];

if( self.textLabel ){}

dispatch_async(dispatch_get_main_queue(), ^(void)

{

[self.indView startAnimating];

[UIView animateWithDuration:1.0f animations:^(void)

{

self.indBgView.alpha = 1.0f;

}];

});

}

-(void)dismissFromParent

{

dispatch_async(dispatch_get_main_queue(), ^(void)

{

[UIView animateWithDuration:1.0f animations:^(void)

{

self.indBgView.alpha = 0.0f;

} completion:^(BOOL finished)

{

if( finished )

{

[self removeFromSuperview];

}

}];

});

}

+(void)showWihtParent:(UIView * )parentView

{

[[RockIndicatorViewshareView] showAnimWithParent:parentView];

}

+(void)dismiss

{

[[RockIndicatorViewshareView] dismissFromParent];

}

/*

// Only override drawRect: if you perform custom drawing.

// An empty implementation adversely affects performance during animation.

- (void)drawRect:(CGRect)rect

{

// Drawing code

}

*/

@end