此程序包括UIProgressView，UIButton, UIDatePicker,UIAlert,UILabel,NSTimer
//
// HViewController.h
// Btn_lbl
//
// Created by public on 13-7-18.
// Copyright (c) 2013年 All rights reserved.
//
#import <UIKit/UIKit.h>
@interface HViewController : UIViewController
@property (retain, nonatomic) IBOutlet UIDatePicker *hdatePicker;
@property (retain, nonatomic) IBOutlet UILabel *lblText;
@property (retain, nonatomic) IBOutlet UIProgressView *progress;
@property (retain, nonatomic) IBOutlet UIProgressView *progressBar;
@property (retain, nonatomic) IBOutlet UIButton *btnStart;
@property (retain, nonatomic) IBOutlet UIButton *btnStop;
@property(retain,nonatomic)IBOutlet NSTimer* timer;
- (IBAction)btnClick:(id)sender;
- (IBAction)dateChange;
- (IBAction)startProgress:(id)sender;
- (IBAction)stopProgress:(id)sender;
- (IBAction)startHeadProgress:(id)sender;
@end
//
// HViewController.m
// Btn_lbl
//
// Created by public on 13-7-18.
// Copyright (c) 2013年 . All rights reserved.
//
#import "HViewController.h"
@interface HViewController ()
@end
@implementation HViewController
#pragma mark 加载数据
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
NSDate* hdate=[NSDate date];
[_hdatePicker setDate:hdate animated:YES];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)dealloc {
[_lblText release];
[_hdatePicker release];
[_progress release];
[_timer release];
[_btnStart release];
[_progressBar release];
[_btnStop release];
[super dealloc];
}
#pragma mark -按钮的测试点击事件
- (IBAction)btnClick:(id)sender{
UIButton * button=(UIButton *)sender;
_lblText.font=[UIFont fontWithName:@"Bold" size:25];
_lblText.backgroundColor=[UIColor blueColor];
_lblText.textColor=[UIColor whiteColor];
_lblText.text=@"中华";
NSString* tittle=[NSString stringWithFormat:@"UILabel的内容是：%@,UIButton 的 tag 是 %d",_lblText.text,button.tag];
NSString* message=[button currentTitle];
UIAlertView* alert=[[UIAlertView alloc]initWithTitle:tittle message:message delegate:self cancelButtonTitle:@"OK" otherButtonTitles:@"cancel", nil];
[alert show];
[alert release];
}
#pragma mark -日历的改变
- (IBAction)dateChange {
NSDate* date=[_hdatePicker date];
NSDateFormatter *format=[[NSDateFormatter alloc]init];
[format setDateStyle:NSDateFormatterShortStyle];
[format setTimeStyle:NSDateFormatterShortStyle];
_lblText.text=[NSString stringWithFormat:@"%@",[format stringFromDate:date]];
[format release];
}
#pragma mark -Progress View进度条
-(void)changetimer
{
_progress.progress+=0.001f;
self.progressBar.progress+=0.001f;
}
- (IBAction)startProgress:(id)sender {
_timer=[NSTimer scheduledTimerWithTimeInterval:0.03f target:self selector:@selector(changetimer) userInfo:nil repeats:YES];
[_timer retain];
[_btnStart setEnabled:NO];
[_btnStop setEnabled:YES];
}
- (IBAction)stopProgress:(id)sender {
[_timer invalidate];
[_timer release];
[_btnStart setTitle:@"继续" forState:UIControlStateNormal];
UIColor *color=[UIColor blueColor];
[_btnStart setTitleColor:color forState:UIControlStateNormal];
[_btnStart setEnabled:YES];
[_btnStop setEnabled:NO];
}
- (IBAction)startHeadProgress:(id)sender {
_progress.progress=0.0f;
_progressBar.progress=0.0f;
[_btnStart setTitle:@"开始" forState:UIControlStateNormal];
UIColor *color=[UIColor blueColor];
[_btnStart setTitleColor:color forState:UIControlStateNormal];
}
@end