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
