@implementation ViewController
-(IBAction)ReturnKeyButton:(id)sender {
[sender resignFirstResponder];
}
@synthesize torque, horsepower, rpm, rpmf2;
-(IBAction)Operation1:(id)sender {
float result = 2 * 3.14 *([torque.text floatValue] * [rpm.text floatValue])/33000;
answer1.text = [[NSString alloc] initWithFormat:@"%2.f", result];
}
-(IBAction)Operation2:(id)sender {
float result = 2 * 3.14 * ([horsepower.text floatValue] * [rpmf2.text floatValue])/ 33000;
answer2.text = [[NSString alloc] initWithFormat:@"%2.f", result];
}
我想将我的文本字段格式化为数字。这工作,但它有注意我的植入answer1.text和answer2.text。问题是一个线程点最终会中断。这有什么问题?“”隐藏实例和不完整实现的本地声明
编辑:
@interface ViewController : UIViewController {
float result;
IBOutlet UILabel *answer1;
IBOutlet UILabel *answer2;
IBOutlet UITextField *torque;
IBOutlet UITextField *rpm;
IBOutlet UITextField *horsepower;
IBOutlet UITextField *rpmf2;
int currentOperation1;
float torque1;
float rpm1;
float horsepower1;
float rpm1f2;
float answer5;
}
-(IBAction)Operation1:(id)sender;
-(IBAction)Operation2:(id)sender;
@property(nonatomic, retain) IBOutlet UITextField *torque;
@property(nonatomic, retain) IBOutlet UITextField *rpm;
@property(nonatomic, retain) IBOutlet UITextField *horsepower;
@property(nonatomic, retain) IBOutlet UITextField *rpmf2;
-(IBAction)ReturnKeyButton;
@end
我们需要所有的变量声明。 – CodaFi 2013-03-11 12:54:27
警告说什么? – 2013-03-11 12:54:50