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IOS 開發(fā)之PickerView文字和隨機(jī)數(shù)的使用_IOS_腳本之家
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{ NSString *name = self.foods[component][row]; switch (component) { case 0: self.fruitLabel.text = n
www.dbjr.com.cn/article/1210...htm 2025-5-25
iOS開發(fā)中使用Picker View實(shí)現(xiàn)一個(gè)點(diǎn)菜應(yīng)用的UI示例_IOS_腳本之家
// 讓pickerView主動(dòng)選中某一行 // 讓pickerView選中inComponent列的Row行 // [self.pickerView selectRow:1 inComponent:0 animated:YES]; /* [self.pickerView selectRow: arc4random() % 12 inComponent:0 animated:YES]; [self.pickerView selectRow: arc4random() % 15 inComponent:1 animated:YES]...
www.dbjr.com.cn/article/781...htm 2025-6-5
IOS 開發(fā)之PickerView自定義視圖的實(shí)例詳解_IOS_腳本之家
[[[NSBundle mainBundle] loadNibNamed:@"#xibName#"owner:nil options:nil] lastObject]; 一個(gè)細(xì)節(jié):PickerView的viewForRow的view是可以循環(huán)利用的,注意viewForRow的方法傳入的是一個(gè)resusingView: 1 [[[NSBundle mainBundle] loadNibNamed:@"#xibName#"owner:nil options:nil] lastObject]; 因此應(yīng)該對這個(gè)view進(jìn)...
www.dbjr.com.cn/article/1210...htm 2025-6-2
Android中的TimePickerView(時(shí)間選擇器)的用法詳解_Android_腳本之家
implementation'com.contrarywind:Android-PickerView:3.2.7' 在頁面放一個(gè)按鈕點(diǎn)擊彈出日期選擇器: 1 2 3 4 5 6 @Override protectedvoidonCreate(@NullableBundle savedInstanceState) { //在onCreate方法里面先調(diào)用一下 //初始化日期選擇器 showTimePicker(); } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
www.dbjr.com.cn/article/2466...htm 2025-5-21
詳解iOS App中UIPickerView滾動(dòng)選擇欄的添加方法_IOS_腳本之家
1.UIPickerView的寬度和高度是固定的,縱向是320216,橫向是568162 2.屬性: 復(fù)制代碼代碼如下: @property(nonatomic,readonly)NSInteger numberOfComponents; // 選擇框的行數(shù) @property(nonatomic,assign)idUIPickerViewDataSource> dataSource; (類似于UITableView) ...
www.dbjr.com.cn/article/850...htm 2025-5-25
實(shí)例講解iOS應(yīng)用開發(fā)中UIPickerView滾動(dòng)選擇欄的用法_IOS_腳本之家
首先在viewDidLoad 的方法中創(chuàng)建 復(fù)制代碼代碼如下: - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // 選擇框 UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 100, 320, 216)]; ...
www.dbjr.com.cn/article/818...htm 2025-5-26