基础控件(UISwitch_UISegmentControl)等

来源：互联网发布：报表软件制作编辑：程序博客网时间：2024/05/10 13:03

1.UISegmentedControl

{

NSArray *arr = @[@"小黄",@"小红",@"屎壳郎"];

//分段控制器事件驱动型控件

UISegmentedControl *seg = [[UISegmentedControl alloc] initWithItems:arr];

//设置frame 默认是均匀分布宽度

seg.frame = CGRectMake(10, 100, 300, 30);

//设置指定段的宽度

[seg setWidth:150 forSegmentAtIndex:1];

//设置选中背景

//seg.tintColor = [UIColor redColor];

//设置背景图片

[seg setBackgroundImage:[UIImage imageNamed:@"toolBar.png"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

//指定段设置内容图片 // 可以设置原始的图片

[seg setImage:[[UIImage imageNamed:@"003"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]forSegmentAtIndex:2];

//设置内容偏移量

[seg setContentOffset:CGSizeMake(10, 10) forSegmentAtIndex:0];

//传入一个字典字典中写可以设置字体和字体的颜色

NSDictionary *dict = @{NSFontAttributeName:[UIFont systemFontOfSize:20],NSForegroundColorAttributeName:[UIColor yellowColor]};

//修改属性字符串

[seg setTitleTextAttributes:dict forState:UIControlStateNormal];

//增加事件

[seg addTarget:self action:@selector(segClick:) forControlEvents:UIControlEventValueChanged];

[self.view addSubview:seg];

[seg release];

}

- (void)segClick:(UISegmentedControl *)seg {

//被点击段的索引

NSLog(@"index:%d",seg.selectedSegmentIndex);

//获取指定段的标题

NSLog(@"title:%@",[seg titleForSegmentAtIndex:seg.selectedSegmentIndex]);

//如果分段小于 4个那么插入一个

if (seg.numberOfSegments < 4) {

//插入一个标题分段

[seg insertSegmentWithTitle:@"小粉" atIndex:1 animated:YES];

//禁用第0段

[seg setEnabled:NO forSegmentAtIndex:0];

}

2.UISlider

UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(10, 200, 200, 30)];

//设置表示的最小值默认是 0.0

slider.minimumValue = 0.2;

//设置最大值

slider.maximumValue = 1.0;

//设置最小值一侧的轨道颜色

slider.minimumTrackTintColor = [UIColor redColor];

//设置最大值一侧的轨道颜色

slider.maximumTrackTintColor = [UIColor purpleColor];

//设置小白球的颜色 iOS7 无效了

// slider.thumbTintColor = [UIColor yellowColor];

//设置最小值一侧的图片

slider.minimumValueImage = [UIImage imageNamed:@"003.png"];

//设置最大值一侧的图片

slider.maximumValueImage = [UIImage imageNamed:@"002.png"];

//设置小白球的图片

//正常状态显示 003图片

[slider setThumbImage:[UIImage imageNamed:@"003.png"] forState:UIControlStateNormal];

//高亮状态显示 002

[slider setThumbImage:[UIImage imageNamed:@"002.png"] forState:UIControlStateHighlighted];

//设置默认值

slider.value = 1.0;

//设置长按滑块是否连续触发事件函数sliderClick:

slider.continuous = YES;

//YES 只要手指按住滑块滑动就会触发函数sliderClick:

//NO 手指长按滑块滑动时不会连续触发停下来的时候才会触发函数sliderClick:

//使滑块成为竖直方向旋转 -90/270

slider.transform = CGAffineTransformMakeRotation(- M_PI_2);

//增加事件控制 self.view 的透明度

[slider addTarget:self action:@selector(sliderClick:) forControlEvents:UIControlEventValueChanged];

[self.view addSubview:slider];

[slider release];

}

- (void)sliderClick:(UISlider *)slider {

NSLog(@"value:%f",slider.value);

self.view.alpha = slider.value;

}

3.UISwitch

-(void)createSwitch{

//UISwitch:继承自UIControl,间接继承自UIView,事件驱动型控件

//UISwitch:默认size是79*27.frame设置size不起作用。

UISwitch *switch0 = [[UISwitch alloc]initWithFrame:CGRectMake(40, 100, 240, 50)];

switch0.backgroundColor = [UIColor yellowColor];

//1.添加事件

[switch0 addTarget:self action:@selector(switchAction:) forControlEvents:UIControlEventValueChanged];

//switchAction: 有手指的触摸事件才会触发

//通过transform 缩放

switch0.transform = CGAffineTransformScale(sw.transform, 2, 2);

//2.设置初始状态:默认是NO

switch0.on = YES;

//3.设置on状态的颜色/图片

switch0.onTintColor = [UIColor redColor];

//4.设置off状态的图片

[self.view addSubview:switch0];

[switch0 release];

//延迟 2s 让 self 执行 click:

[self performSelector:@selector(click:) withObject:sw afterDelay:2];

}

- (void)click:(UISwitch *) sw{

[sw setOn:YES animated:YES];

}

-(void)switchAction:(UISwitch *)switch0{

NSLog(@"switch.on = %d",switch0.on);

UIActivityIndicatorView *view = (UIActivityIndicatorView *)[self.view viewWithTag:100];

if (switch0.on) {

[view startAnimating];

}

else{

[view stopAnimating];

}

4. UIActivityIndicatorView

{

//活动指示器菊花风火轮

UIActivityIndicatorViewStyleWhiteLarge,//大白

UIActivityIndicatorViewStyleWhite,//白色

UIActivityIndicatorViewStyleGray,//灰色

UIActivityIndicatorView *view = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];

view.frame = CGRectMake(100, 100, 100, 100);

//开启动画才会显示

[view startAnimating];

//2s之后关闭菊花

[self performSelector:@selector(click:) withObject:view afterDelay:2];

//设置风火轮颜色

//view.color = [UIColor blueColor];

[self.view addSubview:view];

[view release];

//系统自带的网络加载菊花

//打开之后就会显示在状态栏

[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;

}

- (void)click:(UIActivityIndicatorView *)view {

if (view.isAnimating) {//判断是否正在转

[view stopAnimating];//停止转动就会消失

}

[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;//关闭网络风火轮

}

5. UIProgressView

{

//这是显示进入的视图

//进度条 ----表示下载进度

UIProgressView *progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(10, 100, 300, 30)];

//设置进度

progressView.progress = 0;//

//设置走过进度颜色

// progressView.progressTintColor = [UIColor redColor];

//设置轨道颜色

// progressView.trackTintColor = [UIColor blackColor];

//定时器每隔一段时间 self 调用timerUpdate:

[NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(timerUpdate:) userInfo:progressView repeats:YES];

[self.view addSubview:progressView];

[progressView release];

}

- (void)timerUpdate:(NSTimer *)timer{

//获取用户信息 userInfo

UIProgressView *view = (UIProgressView *)(timer.userInfo);

if (view.progress < 1.0) {

view.progress += 0.1;

}

if (view.progress == 1.0) {//下载完成弹出一个警告框

UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"" message:@"下载完成" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];

[alertView show];

[alertView release];

//下载完成之后要销毁定时器

[timer invalidate];

}

6. UIStepper

-(void)createStepper{

//UIStepper:继承自UIControl.事件驱动型控件

//UIStepper:默认size是94*27.frame设置size不起作用

UIStepper *stepper = [[UIStepper alloc]initWithFrame:CGRectMake(40, 160, 100, 40)];

//1.设置步长:默认是1,必须大于0

stepper.stepValue = 10;

//2.设置当前值

stepper.value = 5;

//3.设置min/max:默认范围是0~100

stepper.minimumValue = 0;

stepper.maximumValue = 200;

//4.添加事件

[stepper addTarget:self action:@selector(stepperAction:) forControlEvents:UIControlEventValueChanged];

//5.设置值是否连续变化

stepper.continuous = NO;

[self.view addSubview:stepper];

[stepper release];

}

-(void)stepperAction:(UIStepper *)stepper{

NSLog(@"currentValue = %f",stepper.value);

//先获取到进度条

UIProgressView *pro = (UIProgressView *)[self.view viewWithTag:100];

//根据步进器的value调整progressView的进度

pro.progress = stepper.value/(stepper.maximumValue - stepper.minimumValue);

}

7.UIWebView

-(void)createWebView{

//UIWebView:继承自UIView

UIWebView *webView = [[UIWebView alloc]initWithFrame:CGRectMake(5, 64+5, self.view.frame.size.width - 10, self.view.frame.size.height-64-10)];

//加载网页

//1.网址的字符串：@"http://192.168.88.8"

NSString *str = @"http://192.168.88.8";

//2.str --> 网址url

NSURL *url = [NSURL URLWithString:str];

//3.url --> NSURLRequest

NSURLRequest *request = [NSURLRequest requestWithURL:url];

//4.webView加载请求

[webView loadRequest:request];

//5.调整页面

webView.scalesPageToFit = YES;

//6.代理

webView.delegate = self;

[self.view addSubview:webView];

[webView release];

}

#pragma mark - UIWebViewDelegate相关

-(void)webViewDidFinishLoad:(UIWebView *)webView{

NSLog(@"加载完成");

}

-(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{

NSLog(@"加载失败:%@",error);

}

8.UIAlertView

- (void)btnClick:(UIButton *)button {

UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"取钱" message:@"快点取,10s之后会吞卡哟" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"开始取钱", nil];

/*设置不同类型的警告框

UIAlertViewStyleDefault = 0,

UIAlertViewStyleSecureTextInput,//有一个只输入密码的textField

UIAlertViewStylePlainTextInput,//有一个输入内容的textField

UIAlertViewStyleLoginAndPasswordInput//可以输入用户和密码的textField

//alertView.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;

alertView.tag = 1001;

[alertView show];

[alertView release];

}

#pragma mark - UIAlertViewDelegate协议

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

//判断警告框的类型

if (alertView.alertViewStyle == UIAlertViewStyleDefault) {

if (alertView.tag == 1001) {

//点击的不是取消按钮

if (alertView.cancelButtonIndex != buttonIndex) {

//弹出一个要求输入用户名和密码的警告框

UIAlertView *view = [[UIAlertView alloc] initWithTitle:@"" message:@"加油!加油!..." delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"登陆", nil];

//设置类型

view.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;

[view show];

//10s 之后 self 执行 viewClick:

[self performSelector:@selector(viewClick:) withObject:view afterDelay:10];

[view release];

}

}else if (alertView.alertViewStyle == UIAlertViewStyleLoginAndPasswordInput) {

//如果是登陆用户名密码的警告框

//获取两个textField 的地址

UITextField *name = [alertView textFieldAtIndex:0];

UITextField *passwd = [alertView textFieldAtIndex:1];

NSLog(@"name:%@ pass:%@",name.text,passwd.text);

}

//10s 之后 self 调用

- (void)viewClick:(UIAlertView *)view {

//用代码关闭警告框

[view dismissWithClickedButtonIndex:0 animated:YES];

}

9.UIActionSheet

//actionSheet:表单提示框

//第一个参数：标题

//第二个参数：代理 --> self

//第三个参数：取消按钮的标题

//第四个参数：需要谨慎操作的按钮可以高亮警告提示

//第五个参数：其他按钮的标题

//第六个参数：

UIActionSheet *sheet = [[UIActionSheet alloc]initWithTitle:@"分享至" delegate:self cancelButtonTitle:@"cancel" destructiveButtonTitle:@"谨慎删除" otherButtonTitles:@"新浪微博",@"微信朋友圈", nil];

//destructiveButtonTitle:当有危险操作的时候可以设置，比如删除文件，删除操作是危险操作这时这个按钮会显示红色

sheet.destructiveButtonIndex = 1;

//显示

[sheet showInView:self.view];

[sheet release];

#pragma mark - UIActionSheetDelegate相关

-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{

NSLog(@"buttonIndex = %d",buttonIndex);

if (buttonIndex == 1) {

//分享到新浪微博

NSLog(@"分享到新浪微博");

}

//取消按钮一般都在最下方

//索引值是从上至下开始算 0----最后一个索引

10.基本概念

//创建textView

-(void)createTextView{

//UITextView:继承自UIScrollView,间接继承自UIView.

//意见反馈

//可编辑

UITextView *tView = [[UITextView alloc]initWithFrame:CGRectMake(10, 100, 300, 100)];

//1.设置文本颜色

[tView setTextColor:[UIColor lightGrayColor]];

//2.进入页面时键盘就是打开状态

// [tView becomeFirstResponder];

//3.设置键盘样式

tView.keyboardType = UIKeyboardTypeDefault;

//4.设置return按钮样式

tView.returnKeyType = UIReturnKeyGo;

//5.textView可以自动换行，不能设置默认提示文字

//6.是否允许编辑

tView.editable=YES;

//设置是否可以滚动

tView.scrollEnabled = YES;//NO不可以滚动

tView.delegate = self;

tView.text = @"请输入意见";

tView.tag = 200;

[self.view addSubview:tView];

[tView release];

}

//协议

-(void)textViewDidBeginEditing:(UITextView *)textView{

//清空原有内容

textView.text = nil;

//修改文本颜色

textView.textColor = [UIColor redColor];

}

#pragma mark - UITextViewDelegate

//是否可以进入编辑模式

- (BOOL)textViewShouldBeginEditing:(UITextView *)textView {

NSLog(@"将要进入编辑模式");

return YES;//YES可以

}

- (void)textViewDidBeginEditing:(UITextView *)textView {

NSLog(@"已经进入编辑模式");

}

//是否可以结束编辑模式

- (BOOL)textViewShouldEndEditing:(UITextView *)textView {

NSLog(@"将要结束编辑模式的时候调用");

return YES;//YES可以结束

}

- (void)textViewDidEndEditing:(UITextView *)textView {

NSLog(@"已经结束编辑模式");

}

//只要textView输入内容就会调用

- (void)textViewDidChange:(UITextView *)textView {

NSLog(@"textViewDidChange");

}

//修改textView的内容或者选中就会调用textView

- (void)textViewDidChangeSelection:(UITextView *)textView {

NSLog(@"textViewDidChangeSelection");

}

//将要把键盘上的数据输入到UITextView上的时候调用

//range:光标的位置

//text: 将要输入到UITextView里面的内容还没有输入到里面

//返回YES 可以输入到UITextView里面

//NO 不可以输入到里面

- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {

NSLog(@"range:%@",NSStringFromRange(range));

NSLog(@"将要输入:text:%@",text);

return YES;

}

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