title: UIPicker and Keyboard conflict
body: <p>what i have is 3 textFields and whenever i touch textField1 or textField2 Picker changes values and there is no keyboard. When i touch textField3 keyboard appears and the picker goes hidden.Now if i dismiss the keyboard by clicking return and then click textField1 picker appears again, but if i dont dismiss the keyboard BY CLICKING BUTTON it stays over the picker. What I need is when the keyboard is firstResponder (and i see it on the screen) to hide it if i click on the textField1 and only to see the picker</p>
  
  <pre><code>int variabla;
  
      -(void)textFieldDidBeginEditing:(UITextField *)textField{
          [pickerView setHidden:YES];
          if (textField1.editing == YES) {
              [textField1 resignFirstResponder];
              [pickerView setHidden:NO];
              variabla = 1;
          }else if (textField2.editing == YES) {  
              [textField2 resignFirstResponder];
              [pickerView setHidden:NO];
              variabla = 2;
          }   
          NSLog(@"variabla %d",variabla); 
          [pickerView reloadAllComponents];
      }
  
      - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView;
      {
          return 1;
      }
      - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component;
      {
          if (variabla == 1) {
              return [pickerArray1 count];
          }else if (variabla == 2) {
              return [pickerArray2 count];
          }else {
              return 0;
          }   
      }
      - (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component;
      {   
          if (variabla == 1) {
              return [pickerArray1 objectAtIndex:row];        
          }else if (variabla == 2) {
              return [pickerArray2 objectAtIndex:row];
          }else {
              return 0;
          }   
      }
      - (void)textFieldShouldReturn:(UITextField *)textField{ 
          [textField resignFirstResponder];
      }
  - (void)viewDidLoad {
      [super viewDidLoad];
      [pickerView setHidden:YES];
      pickerArray1 = [[NSMutableArray alloc] initWithObjects:@"0", @"1", @"2", nil];
      pickerArray2 = [[NSMutableArray alloc] initWithObjects:@"3", @"4", @"5", nil];
  }
  </code></pre>