-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component 解説 (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component 返り値 ( NSInteger ) 引数 ( UIPickerView * )p…

-(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView 解説 (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView 返り値 ( NSInteger ) 引数 ( UIPickerView * )pickerView フレームワーク UIKit クラス UIPickerView…