iosToastforiPhone(实例分享)

原文转自&＃xff1a;http://blog.csdn.net/iBright/article/details/7078436

分享一个我写的类似于android的toast的提示框

主要特点&＃xff1a;

1&＃xff0c;支持屏幕Y轴任意位置显示&＃xff0c;设置距离顶/底端距离

2&＃xff0c;支持多行文本

3&＃xff0c;支持设置等待时间

4&＃xff0c;支持点击隐藏&＃xff0c;屏幕旋转时自动隐藏&＃xff0c;淡入淡出

5&＃xff0c;无需初始化&＃xff0c;类方法调用

效果图&＃xff1a;

全部代码如下&＃xff0c;使用时需要添加QuartzCore.framework&＃xff0c;希望能给大家带来方便。

&＃64;interface OMGToast : NSObject {NSString *text;UIButton *contentView;CGFloat duration;
}&＃43; (void)showWithText:(NSString *) text_;
&＃43; (void)showWithText:(NSString *) text_duration:(CGFloat)duration_;&＃43; (void)showWithText:(NSString *) text_topOffset:(CGFloat) topOffset_;
&＃43; (void)showWithText:(NSString *) text_topOffset:(CGFloat) topOffsetduration:(CGFloat) duration_;&＃43; (void)showWithText:(NSString *) text_bottomOffset:(CGFloat) bottomOffset_;
&＃43; (void)showWithText:(NSString *) text_bottomOffset:(CGFloat) bottomOffset_duration:(CGFloat) duration_;&＃64;end

#import "OMGToast.h"
#import &＃64;interface OMGToast (private)- (id)initWithText:(NSString *)text_;
- (void)setDuration:(CGFloat) duration_;- (void)dismisToast;
- (void)toastTaped:(UIButton *)sender_;- (void)showAnimation;
- (void)hideAnimation;- (void)show;
- (void)showFromTopOffset:(CGFloat) topOffset_;
- (void)showFromBottomOffset:(CGFloat) bottomOffset_;&＃64;end&＃64;implementation OMGToast- (void)dealloc{[[NSNotificationCenter defaultCenter] removeObserver:selfname:UIDeviceOrientationDidChangeNotificationobject:[UIDevice currentDevice]];contentView &＃61; nil;text &＃61; nil;
}- (id)initWithText:(NSString *)text_{if (self &＃61; [super init]) {text &＃61; [text_ copy];UIFont *font &＃61; [UIFont boldSystemFontOfSize:14];CGSize textSize &＃61; [text sizeWithFont:fontconstrainedToSize:CGSizeMake(280, MAXFLOAT) lineBreakMode:UILineBreakModeWordWrap];UILabel *textLabel &＃61; [[UILabel alloc] initWithFrame:CGRectMake(0, 0, textSize.width &＃43; 12, textSize.height &＃43; 12)];textLabel.backgroundColor &＃61; [UIColor clearColor];textLabel.textColor &＃61; [UIColor whiteColor];textLabel.textAlignment &＃61; UITextAlignmentCenter;textLabel.font &＃61; font;textLabel.text &＃61; text;textLabel.numberOfLines &＃61; 0;contentView &＃61; [[UIButton alloc] initWithFrame:CGRectMake(0, 0, textLabel.frame.size.width, textLabel.frame.size.height)];contentView.layer.cornerRadius &＃61; 5.0f;contentView.layer.borderWidth &＃61; 1.0f;contentView.layer.borderColor &＃61; [[UIColor grayColor] colorWithAlphaComponent:0.5].CGColor;contentView.backgroundColor &＃61; [UIColor colorWithRed:0.2fgreen:0.2fblue:0.2falpha:0.75f];[contentView addSubview:textLabel];contentView.autoresizingMask &＃61; UIViewAutoresizingFlexibleWidth;[contentView addTarget:selfaction:&＃64;selector(toastTaped:)forControlEvents:UIControlEventTouchDown];contentView.alpha &＃61; 0.0f;duration &＃61; 3;[[NSNotificationCenter defaultCenter] addObserver:selfselector:&＃64;selector(deviceOrientationDidChanged:)name:UIDeviceOrientationDidChangeNotificationobject:[UIDevice currentDevice]];}return self;
}- (void)deviceOrientationDidChanged:(NSNotification *)notify_{[self hideAnimation];
}-(void)dismissToast{[contentView removeFromSuperview];
}-(void)toastTaped:(UIButton *)sender_{[self hideAnimation];
}- (void)setDuration:(CGFloat) duration_{duration &＃61; duration_;
}-(void)showAnimation{[UIView beginAnimations:&＃64;"show" context:NULL];[UIView setAnimationCurve:UIViewAnimationCurveEaseIn];[UIView setAnimationDuration:0.3];contentView.alpha &＃61; 1.0f;[UIView commitAnimations];
}-(void)hideAnimation{[UIView beginAnimations:&＃64;"hide" context:NULL];[UIView setAnimationCurve:UIViewAnimationCurveEaseOut];[UIView setAnimationDelegate:self];[UIView setAnimationDidStopSelector:&＃64;selector(dismissToast)];[UIView setAnimationDuration:0.3];contentView.alpha &＃61; 0.0f;[UIView commitAnimations];
}- (void)show{UIWindow *window &＃61; [UIApplication sharedApplication].keyWindow;contentView.center &＃61; window.center;[window addSubview:contentView];[self showAnimation];[self performSelector:&＃64;selector(hideAnimation) withObject:nil afterDelay:duration];
}- (void)showFromTopOffset:(CGFloat) top_{UIWindow *window &＃61; [UIApplication sharedApplication].keyWindow;contentView.center &＃61; CGPointMake(window.center.x, top_ &＃43; contentView.frame.size.height/2);[window addSubview:contentView];[self showAnimation];[self performSelector:&＃64;selector(hideAnimation) withObject:nil afterDelay:duration];
}- (void)showFromBottomOffset:(CGFloat) bottom_{UIWindow *window &＃61; [UIApplication sharedApplication].keyWindow;contentView.center &＃61; CGPointMake(window.center.x, window.frame.size.height-(bottom_ &＃43; contentView.frame.size.height/2));[window addSubview:contentView];[self showAnimation];[self performSelector:&＃64;selector(hideAnimation) withObject:nil afterDelay:duration];
}&＃43; (void)showWithText:(NSString *)text_{[OMGToast showWithText:text_ duration:3];
}&＃43; (void)showWithText:(NSString *)text_duration:(CGFloat)duration_{OMGToast *toast &＃61; [[OMGToast alloc] initWithText:text_];[toast setDuration:duration_];[toast show];
}&＃43; (void)showWithText:(NSString *)text_topOffset:(CGFloat)topOffset_{[OMGToast showWithText:text_ topOffset:topOffset_ duration:3];
}&＃43; (void)showWithText:(NSString *)text_topOffset:(CGFloat)topOffset_duration:(CGFloat)duration_{OMGToast *toast &＃61; [[OMGToast alloc] initWithText:text_];[toast setDuration:duration_];[toast showFromTopOffset:topOffset_];
}&＃43; (void)showWithText:(NSString *)text_bottomOffset:(CGFloat)bottomOffset_{[OMGToast showWithText:text_ bottomOffset:bottomOffset_ duration:3];
}&＃43; (void)showWithText:(NSString *)text_bottomOffset:(CGFloat)bottomOffset_duration:(CGFloat)duration_{OMGToast *toast &＃61; [[OMGToast alloc] initWithText:text_];[toast setDuration:duration_];[toast showFromBottomOffset:bottomOffset_];
}&＃64;end


可以这样来使用

[OMGToast showWithText:&＃64;"中间显示" duration:5];
[OMGToast showWithText:&＃64;"距离上方50像素" topOffset:50 duration:5];
[OMGToast showWithText:&＃64;"文字很多的时候&＃xff0c;我就会自动折行&＃xff0c;最大宽度280像素" topOffset:100 duration:5];
[OMGToast showWithText:&＃64;"加入\\n也可以\n显示\n多\n行" topOffset:300 duration:5];
[OMGToast showWithText:&＃64;"距离下方3像素" bottomOffset:3 duration:5];