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POiPhone UIDatePicker very slow
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  1. POiPhone UIDatePicker very slow
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    copied!<p>Im using a UIDatePicker on ModeTime,</p> <p>but is very slow??</p> <p>here the code:</p> <pre><code>#import "U2YAccountController.h" @implementation U2YAccountController @synthesize timePicker = _timePicker; @synthesize timeLabel= _timeLabel; @synthesize scheduleLabel = _scheduleLabel; - (id)init { self = [super init]; if (self) { // Set title self.title = @"Reminder Settings"; CGRect dosageImageRect = CGRectMake(10, 30, 300, 62); UIImageView *dosageImage = [[UIImageView alloc] initWithFrame:dosageImageRect]; [dosageImage setImage:[UIImage imageNamed:@"dosageReminderButton.png"]]; //image was a button, now just image change name of png! dosageImage.opaque = YES; // explicitly opaque for performance [self.view addSubview:dosageImage]; [dosageImage release]; UIButton *timeReminderButton = [UIButton buttonWithType:UIButtonTypeCustom]; [timeReminderButton setImage:[UIImage imageNamed:@"reminderTimeButton.png"] forState:UIControlStateNormal]; [timeReminderButton setFrame:CGRectMake(10, 110, 300, 44)]; [timeReminderButton addTarget:self action:@selector(timeReminderButtonPressed:) forControlEvents:UIControlEventTouchUpInside]; [timeReminderButton setAdjustsImageWhenHighlighted:NO]; [self.view addSubview:timeReminderButton]; self.timePicker = [[[UIDatePicker alloc] initWithFrame:CGRectMake(0, 415, 220, 180)]autorelease]; self.timePicker.datePickerMode = UIDatePickerModeTime; [self.timePicker addTarget:self action:@selector(timePickerChanged:) forControlEvents:UIControlEventValueChanged]; [self.view addSubview:self.timePicker]; //[self.timePicker setHidden:YES]; self.scheduleLabel = [[[UILabel alloc]initWithFrame:CGRectMake(22, 64, 200, 20)]autorelease]; self.scheduleLabel.textColor = [UIColor colorWithRed:12/255.0 green:113/255.0 blue:186/255.0 alpha:1]; self.scheduleLabel.text = @"Schedule 6 of 7 days"; //updated from web site!! [self.view addSubview:self.scheduleLabel]; self.timeLabel = [[[UILabel alloc]initWithFrame:CGRectMake(213, 122, 80, 20)]autorelease]; self.timeLabel.textColor = [UIColor colorWithRed:12/255.0 green:113/255.0 blue:186/255.0 alpha:1]; self.timeLabel.backgroundColor = [UIColor clearColor]; self.timeLabel.text = @""; [self.view addSubview:self.timeLabel]; dateFormat = [[NSDateFormatter alloc] init]; [dateFormat setDateFormat:@"hh:mma"]; } return self; } - (void) timeReminderButtonPressed :(id) sender { recognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewTapped:)] ; [UIView beginAnimations:@"PickerUp" context:nil]; [UIView setAnimationDuration:0.3f]; [UIView setAnimationBeginsFromCurrentState:YES]; self.timePicker.frame = CGRectMake(0, 237, 320, 180); [self.view addGestureRecognizer:recognizer]; [recognizer release]; } - (void) timePickerChanged:(id) sender { today = [sender date]; NSString *dateString = [dateFormat stringFromDate:today]; self.timeLabel.text = dateString; } - (void) viewTapped :(id) sender { [UIView beginAnimations:@"PickerDown" context:nil]; [UIView setAnimationDuration:0.3f]; [UIView setAnimationBeginsFromCurrentState:YES]; self.timePicker.frame = CGRectMake(0, 415, 320, 180); [self.view removeGestureRecognizer:recognizer]; } - (void) dealloc { [dateFormat release]; [_scheduleLabel release]; [_timeLabel release]; [_timePicker release]; [super dealloc]; } @end </code></pre> <p>So why is my picker slow and getting stucked? what im i missing??</p> <p>ps. I have commented the nsDateFormatter to find if that was the problem, but no change...</p> <p>thanks a lot!</p>
 

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