UIPickerView with 2 NSMutableArrays?

You are asking to use the same object as the delegate for two pickers In each of the delegate methods, the picker is provided as the first argument for this purpose. You can check which picker is passed in and return the appropriate data for that picker For example, if you add a property for the first picker named "pickerOne" and you second mutable array is called "arrayTwo", the delegate methods would look like this: (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)picker; { return 1; // assuming both pickers only have 1 component } - (void)pickerView:(UIPickerView *)picker didSelectRow:(NSInteger)row inComponent: (NSInteger)component { // The label is simply setup to show where the picker selector is at if (picker == self. PickerOne) { label.

Text= listOfItems objectAtIndex:row; } else { label. Text= arrayTwo objectAtIndex:row; } } - (NSInteger)pickerView:(UIPickerView *)picker numberOfRowsInComponent:(NSInteger)component; { if (picker == self. PickerOne) { return listOfItems count; } else { return arrayTwo count; } } - (NSString *)pickerView:(UIPickerView *)picker titleForRow:(NSInteger)row forComponent: (NSInteger)component; { if (picker == self.

PickerOne) { return listOfItems objectAtIndex:row; } else { return arrayTwo objectAtIndex:row; } } Also, you can populate your array like this (if you just have a static list of strings, the array does not need to be mutable): listOfItems = NSArray alloc initWithObjects:@"Baptisms",@"Greenland",@"Switzerland",@"Norway",@"New Zealand",@"Greece",@"Rome",@"Ireland",nil.

You are asking to use the same object as the delegate for two pickers. In each of the delegate methods, the picker is provided as the first argument for this purpose. You can check which picker is passed in and return the appropriate data for that picker.

For example, if you add a property for the first picker named "pickerOne" and you second mutable array is called "arrayTwo", the delegate methods would look like this: - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)picker; { return 1; // assuming both pickers only have 1 component } - (void)pickerView:(UIPickerView *)picker didSelectRow:(NSInteger)row inComponent: (NSInteger)component { // The label is simply setup to show where the picker selector is at if (picker == self. PickerOne) { label. Text= listOfItems objectAtIndex:row; } else { label.

Text= arrayTwo objectAtIndex:row; } } - (NSInteger)pickerView:(UIPickerView *)picker numberOfRowsInComponent:(NSInteger)component; { if (picker == self. PickerOne) { return listOfItems count; } else { return arrayTwo count; } } - (NSString *)pickerView:(UIPickerView *)picker titleForRow:(NSInteger)row forComponent: (NSInteger)component; { if (picker == self. PickerOne) { return listOfItems objectAtIndex:row; } else { return arrayTwo objectAtIndex:row; } } Also, you can populate your array like this (if you just have a static list of strings, the array does not need to be mutable): listOfItems = NSArray alloc initWithObjects:@"Baptisms",@"Greenland",@"Switzerland",@"Norway",@"New Zealand",@"Greece",@"Rome",@"Ireland",nil.

Wow, thank you! That was perfect! – Steve Jan 19 '10 at 11:07.

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