项目递减。保存选择使用AKPickerView
我有一个左抽屉与表选择与许多选项。其中之一是设置选项。
里面的设置选项是表视图。我已经嵌入AKPickerView一次的单元格内。 AKPickerView让我可以选择用户想要通过应用程序使用哪个动画。
但是,当选择动画并重新打开设置视图时,所有内容都会正常显示,拾取器会自行重置。
下面是它是如何成立。
的cellForRowAtIndexPath:
//Animation Picker
self.pickerView = [[AKPickerView alloc] initWithFrame:cell.bounds];
self.pickerView.delegate = self;
self.pickerView.dataSource = self;
self.pickerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
[cell addSubview:self.pickerView];
self.pickerView.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:20];
self.pickerView.highlightedFont = [UIFont fontWithName:@"HelveticaNeue" size:20];
self.pickerView.interitemSpacing = 25.0;
self.pickerView.fisheyeFactor = 0.0002;
self.pickerView.pickerViewStyle = AKPickerViewStyle3D;
zoom = @"Zoom Out";
drop = @"Drop In";
push = @"Push";
self.titles = @[zoom, drop, push];
[self.pickerView reloadData];
计数,标题和didSelect:
- (NSUInteger)numberOfItemsInPickerView:(AKPickerView *)pickerView {
return [self.titles count];
}
- (NSString *)pickerView:(AKPickerView *)pickerView titleForItem:(NSInteger)item {
return self.titles[item];
}
- (void)pickerView:(AKPickerView *)pickerView didSelectItem:(NSInteger)item {
if ([self.titles[item] isEqual:zoom]) {
[[NSUserDefaults standardUserDefaults] setObject:@"Zoom Out" forKey:@"Zoom"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
else if ([self.titles[item] isEqual:drop]) {
[[NSUserDefaults standardUserDefaults] setObject:@"Drop In" forKey:@"Drop"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
else if ([self.titles[item] isEqual:push]) {
[[NSUserDefaults standardUserDefaults] setObject:@"Push" forKey:@"Push"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
NSLog(@"%@", self.titles[item]);
}
我怎样才能让选择器保存的滚动位置或保存所选的项目,所以当我重新打开它停留的观点放?
任何帮助,将不胜感激。