关于iOS中类似于Android的Toast短暂提示框

在Android中具有确认提示框与短暂提示框Toast，但在iOS中只有确认提示框Alert并无类似于Android的短暂提示框Toast，若需要可自己写一个，博主自己写了一个已上传至github，下载请点击

注：使用此组件控制器需加入到UINavigationController中

使用方法：

[[[ZFToast alloc] init] popUpToastWithMessage:@"提示内容"];

源码：

ZFToast.h文件

/** *  @file *  @author 张凡 *  @date 2016/3/25 */#import <UIKit/UIKit.h>/** *  @class ZFToast *  @brief Toast弹窗控件 *  @author 张凡 *  @date 2016/3/25 *//** *  @使用方法 *  [[[ZFToast alloc] init] popUpToastWithMessage:@"提示内容"]; */@interface ZFToast : UIView/// @brief 文本提示框- (void)popUpToastWithMessage:(NSString *)message;@end</span><span style="color:#cc0000;"></span>

ZFToast.m文件

import "ZFToast.h"@interface ZFToast ()/// @brief 存放文本的UILabel@property (strong,nonatomic) UILabel *textLabel;@property (strong,nonatomic) ZFToast *toast;@property (strong,nonatomic) NSTimer *timer;/// @brief 记录是否移除@property (assign,nonatomic) NSInteger currentDate;@end@implementation ZFToast- (instancetype)init{    self = [super init];    if (self) {        self.currentDate = 0;    }        return self;}- (void)popUpToastWithMessage:(NSString *)message{    /// @brief 创建定时器    [self createTimer];    /// @brief 初始化Label    [self initLabel:message];    /// @brief 初始化底层视图    [self initBottomView];    }#pragma mark - 创建定时器- (void)createTimer{    self.timer = [NSTimer scheduledTimerWithTimeInterval:3 target:self selector:@selector(onTimer) userInfo:nil repeats:YES];        //暂停定时器    [self.timer setFireDate:[NSDate distantFuture]];    }#pragma mark - 初始化Label- (void)initLabel:(NSString *)message{    //获取屏幕宽度    CGFloat screenWidth = CGRectGetWidth([[UIScreen mainScreen] bounds]);    //获取屏幕高度    CGFloat screenHeight = CGRectGetHeight([[UIScreen mainScreen] bounds]);    /// @brief Label的字号    UIFont *font = [UIFont systemFontOfSize:15];    /// @brief 控件的宽    CGFloat width = screenWidth / 3.0 * 2.0;    /// @brief Label所需的宽高    CGSize labelSize = [self calculationTextNeedSize:message andFont:15 andWidth:width];    self.textLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 10, labelSize.width, labelSize.height)];    self.textLabel.backgroundColor = [UIColor clearColor];    self.textLabel.textColor = [UIColor colorWithRed:29.0/255.0 green:29.0/255.0 blue:29.0/255.0 alpha:1];    self.textLabel.font = font;    self.textLabel.text = message;    self.textLabel.numberOfLines = 0;    self.textLabel.textAlignment = NSTextAlignmentCenter;}#pragma mark - 初始化底层视图- (void)initBottomView{    //获取屏幕宽度    CGFloat screenWidth = CGRectGetWidth([[UIScreen mainScreen] bounds]);    //获取屏幕高度    CGFloat screenHeight = CGRectGetHeight([[UIScreen mainScreen] bounds]);    self.backgroundColor = [UIColor colorWithRed:204.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:0.8];    self.frame = CGRectMake((screenWidth - self.textLabel.frame.size.width)/2.0, screenHeight/3.0 * 2.0 + screenHeight/3.0/2.0, self.textLabel.frame.size.width + 20, self.textLabel.frame.size.height + 20);    [self addSubview:self.textLabel];    //设置ImageView是否可以设为圆角    self.layer.masksToBounds = YES;    //设置圆角度数    self.layer.cornerRadius = 10;    UIViewController *vc = [self getCurrentVC];    [vc.view addSubview:self];    //启动定时器    [self.timer setFireDate:[NSDate distantPast]];}#pragma mark - 取到当前控制器- (UIViewController *)getCurrentVC{    UIViewController *result = nil;        UIWindow * window = [[UIApplication sharedApplication] keyWindow];    if (window.windowLevel != UIWindowLevelNormal)    {        NSArray *windows = [[UIApplication sharedApplication] windows];        for(UIWindow * tmpWin in windows)        {            if (tmpWin.windowLevel == UIWindowLevelNormal)            {                window = tmpWin;                break;            }        }    }        UIView *frontView = [[window subviews] objectAtIndex:0];    id nextResponder = [frontView nextResponder];        if ([nextResponder isKindOfClass:[UIViewController class]])        result = nextResponder;    else        result = window.rootViewController;        return result;}- (void)onTimer{    self.currentDate++;    if (self.currentDate == 2) {        //暂停定时器        [self.timer setFireDate:[NSDate distantFuture]];        [self removeFromSuperview];        self.currentDate = 0;    }    }#pragma mark - 计算文本所需大小- (CGSize)calculationTextNeedSize:(NSString *)text andFont:(CGFloat)font andWidth:(CGFloat)width{    CGSize labelSize = [text sizeWithFont: [UIFont boldSystemFontOfSize:font]                        constrainedToSize: CGSizeMake(width, MAXFLOAT )                            lineBreakMode: UILineBreakModeWordWrap];        return labelSize;}@end

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