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在我的应用程序中,您可以触摸屏幕并在屏幕上显示可编辑的UITextField
。我希望能够在屏幕上移动这些新添加的UITextFields
。我还想添加一个旋转手势和一个捏手势。这很难做到,因为每次点击屏幕时都会添加一个新的子视图(UITextField
)。以下是我的编码:如何以编程方式添加UIPanGestureRecognizer
- (IBAction)addText:(UITapGestureRecognizer *)recognizer
{
if (recognizer.state == UIGestureRecognizerStateEnded)
{
UITextField *newText = [[UITextField alloc] initWithFrame:CGRectMake(40, 205, 280, 128)];
newText.hidden = NO;
[self.view addSubview:newText];
newText.text = @"phrase";
[newText setFont:[UIFont fontWithName:@"ArialRoundedMTBold" size:60]];
newText.borderStyle = UITextBorderStyleNone;
UIPanGestureRecognizer *pan= [[UIPanGestureRecognizer alloc] initWithTarget:newText action:nil];
CGPoint translation = [pan translationInView:newText];
pan.view.center = CGPointMake(pan.view.center.x + translation.x, pan.view.center.y + translation.y);
[pan setTranslation:CGPointMake(0,0) inView:self.view];
}
}
目前,我刚刚拿出了UITapGestureRecognizer哈哈。我决定从UIBarButtonItem中添加UITextFields。现在,我的所有应用程序都添加了UITextField,但是当我想在屏幕上移动它时,整个UIView都会移动。 – 2012-07-17 05:22:19