PickerView添加确定，取消按钮
PickerView添加确定，取消按钮
txtfield点击出现pickerview
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if
(txtField.tag == 301)
{
[txtField resignFirstResponder];
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@
""
delegate:
self
cancelButtonTitle:
nil
destructiveButtonTitle:
nil
otherButtonTitles:
nil
,
nil
];
self
.m_actionSheet = actionSheet;
[actionSheet release];
UIToolbar *pickerDateToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
pickerDateToolbar.barStyle = UIBarStyleBlackOpaque;
[pickerDateToolbar sizeToFit];
NSMutableArray
*barItems = [[
NSMutableArray
alloc] init];
//
UIBarButtonItem *cancelBtn = [[UIBarButtonItem alloc] initWithTitle:@
"取消"
style:UIBarButtonItemStyleBordered target:
self
action:
@selector
(toolBarCanelClick)];
[barItems addObject:cancelBtn];
[cancelBtn release];
//
UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:
self
action:
nil
];
[barItems addObject:flexSpace];
[flexSpace release];
//
UIBarButtonItem *doneBtn = [[UIBarButtonItem alloc] initWithTitle:@
"完成"
style:UIBarButtonItemStyleDone target:
self
action:
@selector
(toolBarDoneClick)];
[barItems addObject:doneBtn];
[doneBtn release];
[pickerDateToolbar setItems:barItems animated:
YES
];
[m_actionSheet addSubview:pickerDateToolbar];
UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 44, 0, 0)];
pickerView.showsSelectionIndicator =
YES
;
pickerView.dataSource =
self
;
pickerView.delegate =
self
;
[pickerView selectRow:1 inComponent:0 animated:
YES
];
[m_actionSheet addSubview:pickerView];
[pickerView release];
[m_actionSheet showInView:
self
.view];
[m_actionSheet setBounds:CGRectMake(0,0,320, 500)];
}
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点击完成可以获取picker选中值
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-(
void
)toolBarCanelClick{
[m_actionSheet dismissWithClickedButtonIndex:0 animated:
YES
];
}
-(
void
)toolBarDoneClick{
[m_actionSheet dismissWithClickedButtonIndex:0 animated:
YES
];
// UIDatePicker *datePicker=(UIDatePicker*)[datePickerSheet viewWithTag:DATE_PICKER_TAG];
// birthdayField.text=[UIUtils convertUIDate:datePicker.date];
}
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下边的就pickerview的delegate了，自己定义就行
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#pragma mark pickview delegate
//组件数
- (
NSInteger
)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
return
1;
}
//每个组件的行数
- (
NSInteger
)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(
NSInteger
)component
{
return
[m_mutArrIntervalTime count]*50;
}
//初始化每个组件每一行数据
- (
NSString
*)pickerView:(UIPickerView *)pickerView titleForRow:(
NSInteger
)row forComponent:(
NSInteger
)component
{
return
[m_mutArrIntervalTime objectAtIndex:(row%[m_mutArrIntervalTime count])];
}
//选中picker cell,save ArrayIndex
- (
void
)pickerView:(UIPickerView *)pickerView didSelectRow:(
NSInteger
)row inComponent:(
NSInteger
)component
{
NSUInteger
max = 0;
NSUInteger
base10 = 0;
if
(component == 0)
{
max = [m_mutArrIntervalTime count]*50;
base10 = (max/2)-(max/2)%[m_mutArrIntervalTime count];
[pickerView selectRow:[pickerView selectedRowInComponent:component]%[m_mutArrIntervalTime count]+base10 inComponent:component animated:
false
];
}
}
//替换text居中
- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(
NSInteger
)row forComponent:(
NSInteger
)component reusingView:(UIView *)view {
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(12.0f, 0.0f, [pickerView rowSizeForComponent:component].width-12, [pickerView rowSizeForComponent:component].height)];
label.text = [m_mutArrIntervalTime objectAtIndex:(row%[m_mutArrIntervalTime count])];
//[m_mutArrSensorList objectAtIndex:row-1];
label.textAlignment = UITextAlignmentCenter;
return
[label autorelease];
}
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