1 #import <UIKit/UIKit.h>
2
3 @interface UITestViewController : UIViewController <UIPickerViewDataSource, UIPickerViewDelegate>
4 {
5
6 }
7
8 @end
1 //
2 // UITestViewController.m
3 // UITest
4 //
5
6 #import "UITestViewController.h"
7
8 NSMutableArray *comp1;
9 NSMutableArray *comp2;
10
11 @implementation UITestViewController
12
13 -(void)initComp1
14 {
15 comp1 = [[NSMutableArray alloc] init];
16 UIImageView *imgView;
17
18 imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"au.png"]];
19 [comp1 addObject:imgView];
20 [imgView release];
21
22 imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"ca.png"]];
23 [comp1 addObject:imgView];
24 [imgView release];
25
26 imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"gb.png"]];
27 [comp1 addObject:imgView];
28 [imgView release];
29
30 imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"nz.png"]];
31 [comp1 addObject:imgView];
32 [imgView release];
33
34 imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"us.png"]];
35 [comp1 addObject:imgView];
36 [imgView release];
37 }
38
39 -(void)initComp2
40 {
41 comp2 = [[NSMutableArray alloc] init];
42 UILabel *lbl;
43
44 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
45 lbl.backgroundColor = [UIColor clearColor];
46 lbl.text = @"Red";
47 [comp2 addObject:lbl];
48 [lbl release];
49
50 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
51 lbl.backgroundColor = [UIColor clearColor];
52 lbl.text = @"Blue";
53 [comp2 addObject:lbl];
54 [lbl release];
55
56 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
57 lbl.backgroundColor = [UIColor clearColor];
58 lbl.text = @"Yellow";
59 [comp2 addObject:lbl];
60 [lbl release];
61
62 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
63 lbl.backgroundColor = [UIColor clearColor];
64 lbl.text = @"Pink";
65 [comp2 addObject:lbl];
66 [lbl release];
67
68 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
69 lbl.backgroundColor = [UIColor clearColor];
70 lbl.text = @"Brown";
71 [comp2 addObject:lbl];
72 [lbl release];
73
74 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
75 lbl.backgroundColor = [UIColor clearColor];
76 lbl.text = @"Black";
77 [comp2 addObject:lbl];
78 [lbl release];
79
80 lbl = [[UILabel alloc] initWithFrame:CGRectMake(0,0,100,44)];
81 lbl.backgroundColor = [UIColor clearColor];
82 lbl.text = @"White";
83 [comp2 addObject:lbl];
84 [lbl release];
85 }
86
87 - (void)viewDidLoad {
88
89 [super viewDidLoad];
90
91 //create some sample data
92 [self initComp1];
93 [self initComp2];
94
95 CGRect pickerFrame = CGRectMake(0,120,0,0);
96
97 UIPickerView *myPicker = [[UIPickerView alloc] initWithFrame:pickerFrame];
98 myPicker.dataSource = self;
99 myPicker.delegate = self;
100 myPicker.showsSelectionIndicator = YES;
101
102 [self.view addSubview:myPicker];
103
104 [myPicker release];
105 }
106
107 - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
108
109 return 2;
110 }
111
112 - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
113
114 if (component == 0)
115 return [comp1 count];
116 else
117 return [comp2 count];
118 }
119
120 - (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component
121 {
122 if (component == 0)
123 return 100.0;
124 else
125 return 200.0;
126 }
127
128 - (UIView *)pickerView:(UIPickerView *)pickerView
129 viewForRow:(NSInteger)row
130 forComponent:(NSInteger)component
131 reusingView:(UIView *)view {
132
133 if (component == 0)
134 return [comp1 objectAtIndex:row];
135 else
136 return [comp2 objectAtIndex:row];
137 }
138
139 - (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
140
141 NSLog(@"row: %i, component:%i",row,component);
142 }
143
144 - (void)didReceiveMemoryWarning {
145 // Releases the view if it doesn't have a superview.
146 [super didReceiveMemoryWarning];
147
148 // Release any cached data, images, etc that aren't in use.
149 }
150
151 - (void)viewDidUnload {
152 // Release any retained subviews of the main view.
153 // e.g. self.myOutlet = nil;
154 }
155
156
157 - (void)dealloc {
158
159 [comp1 release];
160 comp1 = nil;
161
162 [comp2 release];
163 comp2 = nil;
164
165 [super dealloc];
166 }
167
168 @end