Xcode iOS sdk 触摸屏幕隐藏键盘

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Object-c

//触摸屏幕隐藏键盘

Did End On Exit 调用下面事件当点击键盘return得时候就会隐藏键盘

- (IBAction)textFieldShouldReturn:(UITextField *)textField {

//[sender resignFirstResponder];

if (textField == chi) {

[chi resignFirstResponder];

double m=[chi.textdoubleValue]/3.003;

double f=m *3.2808;

meter.text=[[NSStringalloc] initWithFormat:@"%.4f",m];

feet.text=[[NSStringalloc] initWithFormat:@"%.4f",f];

}

if (textField == meter) {

[meter resignFirstResponder];

}

if (textField == feet) {

[feet resignFirstResponder];

}

点击屏幕得时候隐藏键盘

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{

UITouch *touch=[[event allTouches] anyObject];

if (touch.tapCount >=1) {

[chi resignFirstResponder];

[meter resignFirstResponder];

[feet resignFirstResponder];

}