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 }
时间: 2024-10-05 18:29:59