LTBounceSheetDemo（仿退出登录）

#import <UIKit/UIKit.h>
//加入头文件
#import "LTBounceSheet.h"
//define文件
#define color [UIColor colorWithRed:0/255.0 green:175/255.0 blue:240/255.0 alpha:1]


@interface RootViewController : UIViewController
{
    UIView *backView;
    LTBounceSheet *sheet;
}
@end

//点击任何处，弹出sheet
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
    
    //sheet
    sheet = [[LTBounceSheet alloc]initWithHeight:250 bgColor:[UIColor whiteColor]];
    sheet.alpha=1;
    
    //背景
    backView= [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 600)];
    backView.alpha=0.3;
    backView.backgroundColor = [UIColor blackColor];
    [self.view addSubview:backView];
    
    //提示
    UITextView *QuitTextView = [[UITextView alloc]initWithFrame:CGRectMake(46, 13, 233, 38)];
    QuitTextView.text = @"退出后不会删除任何历史记录，下次登录依然可以使用本账号.";
    QuitTextView.textColor = [UIColor grayColor];
    QuitTextView.userInteractionEnabled =NO;
    QuitTextView.textAlignment = NSTextAlignmentCenter;
    [sheet addView:QuitTextView];
    
    //退出按钮
    UIButton *QuitButton = [[UIButton alloc]initWithFrame:CGRectMake(50, 75, 230, 38)];
    [QuitButton addTarget:self action:@selector(doClickQuitButton:) forControlEvents:UIControlEventTouchDown];
    [QuitButton setTitle:@"退出" forState:UIControlStateNormal];
    QuitButton.backgroundColor=[UIColor redColor];
    [sheet addView:QuitButton];
    
    //取消按钮
    UIButton *CancelButton =[[UIButton alloc]initWithFrame:CGRectMake(50, 125, 230, 38)];
    [CancelButton addTarget:self action:@selector(doClickCancelButton:) forControlEvents:UIControlEventTouchDown];
    [CancelButton setTitle:@"取消" forState:UIControlStateNormal];
    CancelButton.backgroundColor=[UIColor blueColor];
    [sheet addView:CancelButton];
    
    [self.view addSubview:sheet];
    [sheet show];

    
}
#pragma -mark -doClickActions
//退出按钮
-(void)doClickQuitButton:(UIButton *)btn
{
    [sheet hide];
    [backView setHidden:YES];
    //执行退出的操作
}
//取消按钮
-(void)doClickCancelButton:(UIButton *)btn
{
    [sheet hide];
    [backView setHidden:YES];
    //执行取消的操作
}