xcode4.2 完成输入后关闭键盘

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viewController的接口中:

@interface ControlFunViewController : UIViewController {    UITextView *nameField;    UITextView *numberField;}@property (nonatomic, retain) IBOutlet UITextField *nameField; //我在这里写错了，写成了UITextView，搞了半天没搞对@property (nonatomic, retain) IBOutlet UITextField *numberField;//要把这两项和File's Owner做连接，即作为File's Owner的输出口- (IBAction) textFieldDoneEditing: (id)sender; // 通过Done关闭键盘- (IBAction) backgroundTap: (id)sender;//通过点击空白处关闭键盘

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把UIView的父类改为UIControl，这样就才能用空白处关闭键盘

viewController的实现中:

- (IBAction) textFieldDoneEditing: (id)sender {    [sender resignFirstResponder];}- (IBAction) backgroundTap: (id)sender {    [self.nameField resignFirstResponder];    [self.numberField resignFirstResponder];}

选中textField，点击连接，点击 Did End On Exit ，从加号处，拖动线到File's Owner对应的方法

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点击UIView，点击连接，点击Touch Down，从加号处，拖动线到File's Owner对应的方法

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OK~~

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