(27)UIPickerView Delegate Methods with Animations

Code for UIPickerView Delegate Methods. In this example PickerView will comes from Bottom of the iPad Screen with animation. 

Code for .h file.

#import


@interface UICreateTeamController : UIViewController <UIPickerViewDelegate, UIPickerViewDataSource>{

    IBOutlet UIButton *btnBack;
    IBOutlet UIButton *btnSave;
    IBOutlet UIButton *btnLogo;
    UIImagePickerController *mainPicker;
   
    NSMutableArray *arrDivision;
    NSMutableArray *arrGroupLevel;
    NSMutableArray *arrSkillSet;
    IBOutlet UILabel *lblDivision;
    IBOutlet UILabel *lblGroupLevel;
    IBOutlet UILabel *lblSkillSet;
   
    IBOutlet UIView *viewPicker;
    IBOutlet UIPickerView *pickerMain;
    IBOutlet UIButton *btnDone;
    IBOutlet UIButton *btnDivision;
    IBOutlet UIButton *btnGroupLevel;
    IBOutlet UIButton *btnSkillSet;
}
@property (nonatomic, assign) UIButton *btnLogo;

-(IBAction)btnSave_TouchUpInside:(id)sender;
-(IBAction)btnBack_TouchUpIndise:(id)sender;
-(IBAction)btnLogo_TouchUpInside:(id)sender;
-(IBAction)btnDone_TouchUpInside:(id)sender;
-(IBAction)btnDivision_TouchUpInside:(id)sender;
-(IBAction)btnGroupLevel_TouchUpInside:(id)sender;
-(IBAction)btnSkillSet_TouchUpInside:(id)sender;
- (void)setView:(UIView*)view MovedUp:(BOOL)movedUp;
- (void)setViewMovedUp:(BOOL)movedUp;

@end


Code for .m file.

#import "UICreateTeamController.h"

@implementation UICreateTeamController
@synthesize btnLogo;


// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
    [super viewDidLoad];
    [self setViewMovedUp:NO];
    [self setView:viewPicker MovedUp:NO];
    arrDivision = [[NSMutableArray alloc]initWithObjects:@"East Division",@"North Division",@"West Division",@"South Division",nil];
    arrGroupLevel = [[NSMutableArray alloc]initWithObjects:@"Under 14",@"Under 16",@"Under 19",nil];
    arrSkillSet = [[NSMutableArray alloc]initWithObjects:@"Defensive",@"Aggerasive",nil];
}

-(IBAction)btnSave_TouchUpInside:(id)sender{

    [self.navigationController popViewControllerAnimated:YES];
}
-(IBAction)btnBack_TouchUpIndise:(id)sender{

    [self.navigationController popViewControllerAnimated:YES];
}

-(IBAction)btnLogo_TouchUpInside:(id)sender{
  
    UIImagePickerController *picker = [[UIImagePickerController alloc] init];
    picker.delegate = self;
    picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    picker.sourceType =UIImagePickerControllerSourceTypePhotoLibrary;
    [self presentModalViewController:picker animated:YES];  
}

- (void)setView:(UIView*)view MovedUp:(BOOL)movedUp{
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0.3];
    // Make changes to the view's frame inside the animation block. They will be animated instead
    // of taking place immediately.
    CGRect rect = view.frame;
    if (movedUp)
    {
        // If moving up, not only decrease the origin but increase the height so the view
        rect.origin.y = (self.view.frame.size.height + self.view.frame.origin.y) - view.frame.size.height;
    }
    else
    {
        // If moving down, not only increase the origin decrease the height.
        rect.origin.y = (self.view.frame.size.height + self.view.frame.origin.y) + view.frame.size.height;
    }
    view.frame = rect;
  
    [UIView commitAnimations];
}

- (void)setViewMovedUp:(BOOL)movedUp
{
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0.3];
    // Make changes to the view's frame inside the animation block. They will be animated instead
    // of taking place immediately.
    CGRect rect = self.view.frame;
    if (movedUp){
        // If moving up, not only decrease the origin but increase the height so the view
        // covers the entire screen behind the keyboard.
        //rect.origin.y -= kOFFSET_FOR_KEYBOARD;
        //rect.size.height += kOFFSET_FOR_KEYBOARD;
        rect.origin.y = self.view.frame.origin.y - 216;
    }
    else
    {
        // If moving down, not only increase the origin decrease the height.
        //rect.origin.y += kOFFSET_FOR_KEYBOARD;
        //rect.size.height -= kOFFSET_FOR_KEYBOARD;
        if(rect.origin.y <0)
            rect.origin.y = self.view.frame.origin.y + 216;
    }
  
    self.view.frame = rect;
    [UIView commitAnimations];
}

-(IBAction)btnDone_TouchUpInside:(id)sender{

    [self setViewMovedUp:NO];
    [self setView:viewPicker MovedUp:NO];
}

-(IBAction)btnDivision_TouchUpInside:(id)sender{

    [self setViewMovedUp:NO];
    [pickerMain selectRow:0 inComponent:0 animated:YES];
    [pickerMain reloadComponent:0];
    [self setView:viewPicker MovedUp:YES];
  
}
-(IBAction)btnGroupLevel_TouchUpInside:(id)sender{

    [self setViewMovedUp:NO];
    [pickerMain selectRow:0 inComponent:0 animated:YES];
    [pickerMain reloadComponent:0];
    [self setView:viewPicker MovedUp:YES];
}
-(IBAction)btnSkillSet_TouchUpInside:(id)sender{

    [self setViewMovedUp:NO];
    [pickerMain selectRow:0 inComponent:0 animated:YES];
    [pickerMain reloadComponent:0];
    [self setView:viewPicker MovedUp:YES];
}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
  
    [btnLogo setBackgroundImage: [info objectForKey:@"UIImagePickerControllerOriginalImage"] forState:UIControlStateNormal];
    [picker dismissModalViewControllerAnimated:YES];  
    [picker release];
}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
    lblDivision.text = [arrDivision objectAtIndex:[pickerView selectedRowInComponent:0]];
    lblGroupLevel.text = [arrGroupLevel    objectAtIndex:[pickerView selectedRowInComponent:1]];
    lblSkillSet.text = [arrSkillSet objectAtIndex:[pickerView selectedRowInComponent:2]];
}

-(NSString *) pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
    NSString *returnStr;
    if(component == 0){
        returnStr = [arrDivision objectAtIndex:row];
    }
    else if(component == 1){
        returnStr = [arrGroupLevel objectAtIndex:row];
    }
    else if(component == 2){
        returnStr = [arrSkillSet objectAtIndex:row];
    }
    return returnStr;  
}

-(CGFloat) pickerView:(UIPickerView *) pickerView widthForComponent:(NSInteger)component{
  
    return 340;
}

-(CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component{
    return 40.0;
}

-(NSInteger) pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{
  
  
    int intcount;
    if(component == 0){
        intcount = 4;
    }
    else if(component == 1){
        intcount = 3;
    }
    else if(component == 2){
        intcount = 2;
    }
    return intcount;
}

-(NSInteger) numberOfComponentsInPickerView:(UIPickerView *)pickerView{
    return 3;
}


- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    // Overriden to allow any orientation.
    return YES;
}


- (void)didReceiveMemoryWarning {
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
  
    // Release any cached data, images, etc that aren't in use.
}


- (void)viewDidUnload {
    [super viewDidUnload];
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}


- (void)dealloc {
    [super dealloc];
}


@end