How can i move the screen up when we touch on text field?

Question

当我触摸文本字段时，如何向上移动（滚动）屏幕，它应该在ios3和ios4上都可以工作（我正在使用xcode 4开发该应用程序）？

Answer 1

该链接将为您提供所有必需的答案...我建议您仔细阅读...

Answer 2

[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
// (x,y, width, height) change it as you want   
[yourViewName setFrame:CGRectMake(0.0f, 200.0f, 320.0f, 460.0f)];
[UIView commitAnimations];

Good luck.