在textView中输入时避免键盘的遮挡

很多时候我们都在为键盘遮挡了原本就不大的屏幕时而烦恼，特别是当用户处于编辑状态时，键盘下面的内容就看不见了，用户只能处于盲打状态了。现在有一种简单的解决办法，基本思路就是，添加通知。一直监听键盘事件，在键盘遮挡时，将编辑器上移键盘的高度，键盘消失时，编辑区回复原来位置，ok，来两段代码吧

各位亲
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[cpp]

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

self.textView=[[UITextView alloc]initWithFrame:self.view.frame];

self.textView.text=@"请输入文字";

[self.view addSubview:self.textView];

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (void)viewWillAppear:(BOOL)animated

{

//注册通知,监听键盘出现

[[NSNotificationCenter defaultCenter]addObserver:self

selector:@selector(handleKeyboardDidShow:)

name:UIKeyboardDidShowNotification

object:nil];

//注册通知，监听键盘消失事件

[[NSNotificationCenter defaultCenter]addObserver:self

selector:@selector(handleKeyboardDidHidden)

name:UIKeyboardDidHideNotification

object:nil];

[super viewWillAppear:YES];

}

//监听事件

- (void)handleKeyboardDidShow:(NSNotification*)paramNotification

{

//获取键盘高度

NSValue *keyboardRectAsObject=[[paramNotification userInfo]objectForKey:UIKeyboardFrameEndUserInfoKey];

CGRect keyboardRect;

[keyboardRectAsObject getValue:&keyboardRect];

self.textView.contentInset=UIEdgeInsetsMake(0, 0,keyboardRect.size.height, 0);

}

- (void)handleKeyboardDidHidden

{

self.textView.contentInset=UIEdgeInsetsZero;

}

- (void)viewDidDisappear:(BOOL)animated

{

[[NSNotificationCenter defaultCenter] removeObserver:self];

}