UI中一些不常用的控件UIActivityIndicatorView、UIProgressView、UISegmentedControl、UIStepper、UISwitch、UITextView、UIAlertController

  1 //UIActivityIndicatorView //小菊花，加载
  2 
  3 #import "ActivityIndicatorVC.h"
  4 
  5 @interface ActivityIndicatorVC (){
  6     UIActivityIndicatorView *_activity ;
  7 }
  8 
  9 @end
 10 
 11 @implementation ActivityIndicatorVC
 12 
 13 -(void)viewDidLoad{
 14     [super viewDidLoad];
 15     
 16     [self createActivityIndicator];
 17     
 18 }
 19 
 20 -(void)createActivityIndicator{
 21     //创建对象
 22     _activity = [[UIActivityIndicatorView alloc]initWithFrame:CGRectMake(100, 200, 100, 100)];
 23     
 24     _activity.backgroundColor = [UIColor blackColor];
 25     
 26     _activity.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhiteLarge;
 27     
 28     [self.view addSubview:_activity];
 29     
 30     //让状态栏中的activityIndicator显示出来
 31     [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
 32     
 33     //开始动画
 34     [_activity startAnimating];
 35     
 36 }
 37 
 38 
 39     // 想要停止的话添加
 40     // [_activity stopAnimating];
 41     //[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
 42     
 43 @end
 44 
 45 // UIProgressView //进度条
 46 #import "ProgressVC.h"
 47 
 48 
 49 
 50 @implementation ProgressVC{
 51     UIProgressView *_progress ;
 52     NSTimer *_timer;
 53 }
 54 
 55 
 56 -(void)viewDidLoad{
 57     [super viewDidLoad];
 58     
 59     self.btn.hidden = YES;
 60     
 61     [self createProgress];
 62     
 63     [self createTimer];
 64 }
 65 
 66 -(void)createProgress{
 67     _progress = [[UIProgressView alloc]initWithFrame:CGRectMake(50, 100, 200, 50)];
 68     [self.view addSubview:_progress];
 69 //    progress.backgroundColor = [UIColor lightGrayColor];
 70    
 71     _progress.tintColor = [UIColor redColor];
 72     
 73     _progress.progressTintColor = [UIColor greenColor];
 74     _progress.trackTintColor = [UIColor blueColor];
 75     
 76     _progress.progress = 0.01;
 77 }
 78 
 79 -(void)createTimer{
 80     _timer = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(run ) userInfo:nil repeats:YES];
 81 }
 82 
 83 -(void)run{
 84     _progress.progress += 0.01;
 85 }
 86 
 87 @end
 88 
 89 
 90   // UISegmentedControl //分段
 91 
 92 -(void)viewDidLoad{
 93     [super viewDidLoad];
 94     
 95     self.btn.hidden = YES;
 96     
 97     [self createSegment];
 98 }
 99 
100 -(void)createSegment{
101     
102     NSArray *items = @[@"00000", @"1111", @"2222"];
103     
104     UISegmentedControl *segment = [[UISegmentedControl alloc] initWithItems:items];
105     
106     segment.frame = CGRectMake(50, 100, 300, 40);
107     segment.backgroundColor = [UIColor magentaColor];
108     segment.tintColor = [UIColor yellowColor];
109     segment.selectedSegmentIndex = 0;
110     
111     [segment insertSegmentWithTitle:@"4444" atIndex:1 animated:YES];
112     [segment insertSegmentWithImage:[UIImage imageNamed:@"tab_0"] atIndex:1 animated:YES];
113     //让图片显示原始图片
114     UIImage *img = [[UIImage imageNamed:@"tab_0"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
115     
116     [segment insertSegmentWithImage:img atIndex:1 animated:YES];
117     
118     [self.view addSubview:segment];
119     
120     //添加事件
121     [segment addTarget:self action:@selector(segmentSelected:) forControlEvents:UIControlEventValueChanged];
122     
123 
124 }
125 
126 -(void)segmentSelected:(UISegmentedControl *)segment{
127     NSLog(@"%ld", segment.selectedSegmentIndex);
128 }
129 
130 
131 
132 //UIStepper //步进
133 
134 -(void)viewDidLoad{
135     [super viewDidLoad];
136     
137     self.btn.hidden = YES;
138     
139     [self createStepper];
140 }
141 
142 -(void)createStepper{
143     UIStepper *stepper =[[ UIStepper alloc]initWithFrame:CGRectMake(50, 100, 300, 40)];
144     [self.view addSubview:stepper];
145     
146     stepper.tintColor = [UIColor redColor];
147     stepper.backgroundColor = [UIColor greenColor];
148     
149     stepper.minimumValue = 0;
150     stepper.maximumValue = 100;
151     stepper.stepValue = 5;
152     stepper.wraps = YES;
153     stepper.autorepeat = YES;
154     
155     [stepper addTarget:self action:@selector(steperValueChanged:) forControlEvents:UIControlEventValueChanged];
156 }
157 
158 -(void)steperValueChanged:(UIStepper *)stepper{
159     NSLog(@"%f", stepper.value);
160     
161     
162 }
163 
164 //UISwitch  //开关
165 
166 -(void)viewDidLoad{
167     [super viewDidLoad];
168     
169     self.btn.hidden = YES;
170     
171     [self createSwitch];
172 }
173 
174 -(void)createSwitch{
175     UISwitch *mySwitch = [[UISwitch alloc]initWithFrame:CGRectMake(50, 100, 200, 40)];
176     
177     mySwitch.onTintColor = [UIColor redColor];
178     mySwitch.tintColor = [UIColor greenColor];
179     
180     [self.view addSubview:mySwitch];
181     
182     [mySwitch addTarget:self action:@selector(switchValueChanged:) forControlEvents:UIControlEventValueChanged];
183 }
184 
185 -(void)switchValueChanged:(UISwitch *)mySwitch{
186     if (mySwitch.isOn) {
187         NSLog(@"on");
188     }  else{
189         NSLog(@"off");
190     }
191 }
192 
193 
194 //UITextView //文本
195 -(void)viewDidLoad{
196     [super viewDidLoad];
197     
198     self.btn.hidden = YES;
199     
200     [self createTextView];
201 }
202 
203 -(void)createTextView{
204     UITextView *textView = [[UITextView alloc]initWithFrame:CGRectMake(50, 100, 200, 100)];
205     
206     [self.view addSubview:textView   ];
207 }
208 
209 //UIAlertController //警报管理
210 - (void)btnClicked {
211     
212     UIAlertController *alertCtrl = [UIAlertController alertControllerWithTitle:@"删除" message:@"是否确定要删除该数据" preferredStyle:UIAlertControllerStyleActionSheet];
213     UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil ];
214     UIAlertAction *deleteAction = [UIAlertAction actionWithTitle:@"删除" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
215         NSLog(@"具体的删除数据的代码");
216     }];
217     
218     [alertCtrl addAction:cancelAction];
219     [alertCtrl addAction:deleteAction];
220     
221     [self presentViewController:alertCtrl animated:YES completion:nil];
222     
223 }
224 
225 
226 - (void)btnClicked3 {
227     
228     UIAlertController *alertCtrl = [ UIAlertController alertControllerWithTitle:@"警告" message:@"需要输入用户名和密码" preferredStyle:UIAlertControllerStyleAlert];
229     // 添加文本框
230     [alertCtrl addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
231         // 可以对文本框进行设置
232        textField.placeholder = @"用户名";
233     }];
234     
235     [alertCtrl addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
236         textField.placeholder = @"密码";
237         textField.secureTextEntry = YES;
238         
239         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(pwdTextChanged) name:UITextFieldTextDidChangeNotification object:textField];
240     }];
241     
242     // 添加一个动作，就是一个按钮
243     UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"登录" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
244         // 用户点击这个按钮的操作
245         NSLog(@"用户名：%@, 密码：%@", alertCtrl.textFields[0].text , alertCtrl.textFields[1].text );
246     }];
247     action2.enabled = NO;
248     [alertCtrl addAction:action2];
249     
250     // 弹出提示信息框
251     [self presentViewController:alertCtrl animated:YES completion:nil];
252     
253 }
254 
255 -(void)pwdTextChanged{
256     // 取得弹出的UIAlertController对象
257     UIAlertController *alertCtrl = (UIAlertController *)  self.presentedViewController;
258     if (alertCtrl) {
259         UIAlertAction *loginAction = alertCtrl.actions.firstObject;
260         loginAction.enabled = YES;
261     }
262     
263 }
264 
265 - (void)btnClicked2 {
266     
267     UIAlertController *alertCtrl = [ UIAlertController alertControllerWithTitle:@"警告" message:@"电量低" preferredStyle:UIAlertControllerStyleAlert];
268     
269     UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];
270     UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"知道了" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
271         NSLog(@"知道了");
272     }];
273     [alertCtrl addAction:action1];
274     [alertCtrl addAction:action2];
275     
276     [self presentViewController:alertCtrl animated:YES completion:nil];
277     
278 }