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copied!<p>I don't think you can actually make the UIPickerView loop, but the way I've done it in the past is to return a really large number from <code>numberOfRowsInComponent</code> and then calculate the modulus of the row to return the appropriate view from <code>viewForRow</code>, like this:</p> <pre><code>// picker data source: -(NSInteger) pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger) component { // to make it look like the picker is looping indefinetly, // we give it a really large length, and then in the picker delegate we consider // the row % (actual length) instead of just the row. return INT16_MAX; } // picker delegate: -(UIView *) pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger) row forComponent:(NSInteger) component reusingView:(UIView *)view { // to make it look like the picker is looping indefinetly, // we give it a really large length in the picker data source, and then we consider // the row % actual_length instead of just the row. row = row % actual_length; // where actual length is the number of options that will be looping // ... do whatever } </code></pre> <p>and in your initialization:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; // ... whatever other initialization... // to make it look like the picker is looping indefinetly , // we give it a really large length in the picker data source, and then we consider // the row % actual_length instead of just the row, // and we start with the selection right in the middle, rounded to the // first multiple of actual_length so we start the selection on // the first option in the list. [myPicker selectRow:(INT16_MAX/(2*actual_length))*actual_length inComponent:0 animated:NO]; } </code></pre>

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