键盘设置

(void)viewDidLoad｛

//监听通知中心

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidChangeFrame:) name:UIKeyboardWillChangeFrameNotification object:nil];

//设置做边距

self.inputView.leftView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 8, 0)];

//一直显示

self.inputView.leftViewMode = UITextFieldViewModeAlways;

｝

(void)keyboardDidChangeFrame:(NSNotification *)noti{

NSLog(@”——–%@”,noti.userInfo);

//改变window的背景颜色

self.view.window.backgroundColor = self.tableView.backgroundColor;

// 键盘退出的frame

CGRect frame = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];

//键盘实时y

CGFloat keyY = frame.origin.y;

//屏幕的高度

CGFloat screenH = [[UIScreen mainScreen] bounds].size.height;

//动画时间

CGFloat keyDuration = [noti.userInfo[UIKeyboardAnimationDurationUserInfoKey] floatValue];

//执行动画

[UIView animateWithDuration:keyDuration animations:^{

self.view.transform = CGAffineTransformMakeTranslation(0, keyY - screenH);

}];

}

//当tableview 滚动的时候 结束编辑事件 （退出键盘）

(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{

[self.view endEditing:YES];

}

// UIKeyboardAnimationCurveUserInfoKey = 7; 动画曲线动画

// UIKeyboardAnimationDurationUserInfoKey = “0.25”; 动画时间

// UIKeyboardBoundsUserInfoKey = “NSRect: {{0, 0}, {320, 216}}”; 键盘bounds

// UIKeyboardCenterBeginUserInfoKey = “NSPoint: {160, 588}”; 开始键盘的居中位置

// UIKeyboardCenterEndUserInfoKey = “NSPoint: {160, 372}”;结束键盘的居中位置

// UIKeyboardFrameBeginUserInfoKey = “NSRect: {{0, 480}, {320, 216}}”; 键盘开始弹出的frame

// UIKeyboardFrameChangedByUserInteraction = 0; 键盘改变frame

// UIKeyboardFrameEndUserInfoKey = “NSRect: {{0, 264}, {320, 216}}”; 退出键盘的frame