iOS中只让textField使用键盘通知的实例代码

第iOS中只让textField使用键盘通知的实例代码[superviewDidLoad];

//Doanyadditionalsetupafterloadingtheview,typicallyfromanib.

//为textField增加键盘事件

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(addKeyboardNoti)name:UITextFieldTextDidBeginEditingNotificationobject:nil];

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(removeKeyboardNoti)name:UITextFieldTextDidEndEditingNotificationobject:nil];

#pragma-mark-keyboardnotificatin

//键盘事件

-(void)keyboardWillShow:(NSNotification*)notification{

NSDictionary*info=[notificationuserInfo];

//keyboardHeight为键盘高度

CGSizekeyboardSize=[[infoobjectForKey:UIKeyboardFrameEndUserInfoKey]CGRectValue].size;

[selfanimateViewWithKeyboardHeight:keyboardSize.height];

-(void)keyboardWillHide:(NSNotification*)notification{

[selfanimateViewWithKeyboardHeight:0.0];

-(void)animateViewWithKeyboardHeight:(CGFloat)keyboardHeight{

NSTimeIntervalanimationDuration=0.3f;

CGFloatheight=self.view.bounds.size.height;

CGFloatwidth=self.view.bounds.size.width;

CGFloattopSize=0.0;

CGFloatviewH=self.view.frame.size.height-64;

CGFloatdeviceHeight=[UIScreenmainScreen].bounds.size.height;

CGFloatanimateH=deviceHeight-viewH-keyboardHeight;

if(animateH=0){

topSize=0;

CGRecttoRect=CGRectMake(0,topSize,width,height);

self.view.frame=toRect;

}else{

topSize=animateH;

CGRecttoRect=CGRectMake(0,topSize,width,height);

[UIViewanimateWithDuration:animationDurationanimations:^{

self.view.frame=toRect;

#pragma-mark-UITextFieldTextNotification

//增加键盘事件

-(void)addKeyboardNoti

NSLog(@------addKeyboardNoti-------

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardWillShow:)name:UIKeyboardWillShowNotificationobject:nil];

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardWillHide:)name:UIKeyboardWillHideNotificationobject:nil];

//移除键盘事件

-(void)removeKeyboardNoti

NSLog(@------removeKeyboardNoti---------

[[NSNotificationCenterdefaultCenter]removeObserver:selfname:UIKeyboardWillShowNotificationobject:nil];

[[NSNotificationCenterdefaultCenter]removeObserver:selfname:UIKeyboardWillHideNotificationobject:nil];

-(void)didReceiveMemoryWarning{

[superdidReceiveMemoryWarning];

//Disposeofanyresources