ios自带的UIDataPicker和UIDatePicker最大的毛病就是没有带确定和取消这两个按钮，而ActionSheetPicker是以上两个选择器的开源封装。但是这个东东也有些小问题，就是没有汉化选择器的内容。
原始的ActionSheetPicker运行起来是这个样子的：
改进后是这以下这个样子的
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补充一个缺陷的修复，在ios7以上版本中，选择器数据部份是透明的，很不美观，
把AbstractActionSheetPicker.m的showActionSheetPicker方法加上一行
masterView.backgroundColor=[UIColor whiteColor];
即可以解决此问题。
Java代码 
- - (void)showActionSheetPicker {
- UIView *masterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.viewSize.width, 260)];
- UIToolbar *pickerToolbar = [self createPickerToolbarWithTitle:self.title];
- [pickerToolbar setBarStyle:UIBarStyleBlackTranslucent];
- [masterView addSubview:pickerToolbar];
- self.pickerView = [self configuredPickerView];
- NSAssert(_pickerView != NULL, @"Picker view failed to instantiate, perhaps you have invalid component data.");
- [masterView addSubview:_pickerView];
- masterView.backgroundColor=[UIColor whiteColor];
- [self presentPickerForView:masterView];
- }
- (void)showActionSheetPicker {
UIView *masterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.viewSize.width, 260)];
UIToolbar *pickerToolbar = [self createPickerToolbarWithTitle:self.title];
[pickerToolbar setBarStyle:UIBarStyleBlackTranslucent];
[masterView addSubview:pickerToolbar];
self.pickerView = [self configuredPickerView];
NSAssert(_pickerView != NULL, @"Picker view failed to instantiate, perhaps you have invalid component data.");
[masterView addSubview:_pickerView];
masterView.backgroundColor=[UIColor whiteColor];
[self presentPickerForView:masterView];
}
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