Domanda

For my uipickerview I have:

- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {

    CGSize size = [pickerView rowSizeForComponent:0];
    UILabel *labelMain = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)];
    labelMain.backgroundColor = [UIColor clearColor];
    labelMain.font = [UIFont fontWithName:kFontSegoeSemiBold size:14];
    labelMain.textColor = kColor_default_orangeText;
    labelMain.textAlignment = NSTextAlignmentCenter;

    int age;
    // from
    if (pickerView == self.pickerFrom) {
        age = minAge + row;
    }
    // to
    else {
        age = minAge_pickerTo + row;
    }
    labelMain.text = [NSString stringWithFormat:@"%d", age];
    return labelMain;
}

I know how to make blue selection indicator (I put blue view behind uipickerview and set label background color to clearColor.

I need to have this picker (from/to age picker) (blue vertical lines are just for photoshop): enter image description here

Right now I've created this picker:

enter image description here

I have 1 questions:

I want to have white text color for area in selection indicator (or in the center of picker view) and orange text color in other area of pickerview. Is it possible?

È stato utile?

Soluzione

Try this:

#pragma mark - UIPickerViewDelegate
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{

UILabel *label = (UILabel *)[self.yourPickerOutlet viewForRow:row forComponent:component];

label.textColor = [UIColor whiteColor];
label.backgroundColor = [UIColor blueColor];
}

#pragma mark PickerView DataSource
- (NSInteger)numberOfComponentsInPickerView:
(UIPickerView *)pickerView
{
    return 1;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView
numberOfRowsInComponent:(NSInteger)component
{

    return [dataSourseArray count];
}

- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view{


    NSString* itemString = dataSourseArray[row];

    UILabel *label;

    if(view==nil){
        label = [[UILabel alloc] initWithFrame:CGRectMake(5, 5, 310, 30)];
        label.textColor = [UIColor blackColor];
        label.backgroundColor = [UIColor clearColor];
        label.shadowColor = [UIColor whiteColor];
        label.shadowOffset = CGSizeMake(0,1);
        label.textAlignment = NSTextAlignmentCenter;
    }else{
        label = (UILabel*) view;
    }



    label.text = itemString;


    return label;

}
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