Iphone 如何仅使用数字键盘
我在iphone上做了一个温度转换器的应用,我希望当它在模拟器中启动时,只有数字键盘,而不是字母键盘Iphone 如何仅使用数字键盘,iphone,iphone-softkeyboard,Iphone,Iphone Softkeyboard,我在iphone上做了一个温度转换器的应用,我希望当它在模拟器中启动时,只有数字键盘,而不是字母键盘 #import "farh_celcius_conv_AppDelegate.h" float i; float s; float p; @implementation farh_celcius_conv_AppDelegate @synthesize window,display,farhenite,display1; -(IBAction) convert { s
#import "farh_celcius_conv_AppDelegate.h"
float i;
float s;
float p;
@implementation farh_celcius_conv_AppDelegate
@synthesize window,display,farhenite,display1;
-(IBAction) convert {
s = ('0','1','2');
if( p == s)
{
NSString *str = farhenite. text;
float n = [str floatValue];
if (n != 0) {
k =.5559* (n-32);
i = 5*(n -32)/9 +273 ;
[display setText:[NSString stringWithFormat:@"%f",k]];
[display1 setText:[NSString stringWithFormat:@"%f",i]];
}
}
}
- (void)dealloc {
[window release];
[super dealloc];
}
@end
试试这个
yourTextField.keyboardType = UIKeyboardTypePhonePad;
或
您也可以在nib文件中执行此操作。试试这个
yourTextField.keyboardType = UIKeyboardTypePhonePad;
或
您也可以在nib文件中执行此操作。您可以为文本字段设置各种类型的键盘。查看文本输入特征、键盘下的inspector。您可以为文本字段设置各种类型的键盘。在键盘的文本输入特征下查看inspector。Duplicate:Duplicate:
#import "farh_celcius_conv_AppDelegate.h"
float i;
float s;
float p;
@implementation farh_celcius_conv_AppDelegate
@synthesize window,display,farhenite,display1;
-(IBAction) convert {
s = ('0','1','2');
if( p == s)
{
NSString *str = farhenite. text;
float n = [str floatValue];
if (n != 0) {
k =.5559* (n-32);
i = 5*(n -32)/9 +273 ;
[display setText:[NSString stringWithFormat:@"%f",k]];
[display1 setText:[NSString stringWithFormat:@"%f",i]];
}
}
}
- (void)dealloc {
[window release];
[super dealloc];
}
@end
[myTextField setKeyboardType:UIKeyboardTypeNumberPad];