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POUIPickerView Animation Hide and Show Failed
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  1. POUIPickerView Animation Hide and Show Failed
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    copied!<p>I have this on my interface file :</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface ViewController : UIViewController &lt;UIPickerViewDataSource, UIPickerViewDataSource&gt; // PickerView Array @property (strong, nonatomic) NSArray *pickerNames; @property (strong, nonatomic) NSArray *pickerValues; @property (strong, nonatomic) IBOutlet UIPickerView *picker; - (IBAction)buttonSelectPicker; @end </code></pre> <p>and I have this on my implementation file :</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; // PickerView Array _pickerNames = @[@"Data1", @"Data2", @"Data3", @"Data4", @"Data5"]; _pickerValues = @[@"val1", @"val2", @"val3", @"val4", @"val5"]; _picker.frame = CGRectMake(0, 1000, 320, 216); } </code></pre> <p>all of those code works perfectly on my iPod (iOS 6.1.3) now, I have problems with what actually I want to do more... they are...</p> <ol> <li><p>when the app loaded for the first time, UIPickerView is hidden (outside the screen area). I tried by adding this line (on <code>viewDidLoad</code>) but it didn't work.</p> <p><code>_picker.frame = CGRectMake(0, 1000, 320, 216);</code></p></li> <li><p>then when user tap the <code>buttonSelectPicker</code> button, UIPickerView shows up. this lines of code also didn't work :</p> <p><code>- (IBAction)buttonSelectPicker { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.3]; _pickerviewContainer.frame = CGRectMake(0, 289, 320, 216); [UIView commitAnimations]; }</code></p></li> <li><p>and when user tap anywhere outside UIPickerView area, it will hide the UIPickerView. I have this code to dismiss keyboard, but I don't know how to modify to dismiss UIPickerView :</p> <p><code>- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { for (UIView * txt in self.view.subviews){ if ([txt isKindOfClass:[UITextField class]]) { [txt resignFirstResponder]; } } }</code></p></li> </ol> <p>thank you...</p>
 

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