1 #import <UIKit/UIKit.h>
2
3 @interface ViewController : UIViewController <UINavigationControllerDelegate,UIImagePickerControllerDelegate>{
4 UIImageView *backImageView;
5 }
6
7 @property(retain, nonatomic) IBOutlet UIButton *showImgPickerButton;
8 @property(retain, nonatomic) IBOutlet UIImageView *backImageView;
9
10 - (IBAction)showImagePicker:(id)sender;
11
12 @end
1 //
2 // ViewController.m
3 // test6
4 //
5 // Created by Totem on 12-7-2.
6 // Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
7 //
8
9 #import "ViewController.h"
10
11 @implementation ViewController
12
13 @synthesize showImgPickerButton;
14 @synthesize backImageView;
15
16 - (IBAction)showImagePicker:(id)sender
17 {
18 #if TARGET_IPHONE_SIMULATOR
19 UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
20 #else
21 UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
22 #endif
23 if ([UIImagePickerController isSourceTypeAvailable:sourceType]) {
24 NSLog(@"调用UIImagePickerController");
25 UIImagePickerController *picker = [[[UIImagePickerController alloc] init] autorelease];
26 picker.delegate = self;
27 picker.allowsEditing = YES;
28
29 [self presentModalViewController:picker animated:YES];
30 // [self.navigationController pushViewController:picker animated:YES];
31 }else {
32 NSLog(@"为调用UIImagePickerController");
33 }
34 }
35
36 //两种完成选取后调用方式之一
37 - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo
38 {
39 NSMutableDictionary *dic = [NSMutableDictionary dictionaryWithDictionary:editingInfo];
40 [dic setObject:image forKey:@"UIImagePickerControllerEditedImage"];
41 UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);
42 [self dismissModalViewControllerAnimated:YES];
43 [backImageView setImage:image];
44 }
45
46 //两种完成选取后调用方式之一
47 //- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
48 // if (picker.sourceType == UIImagePickerControllerSourceTypeCamera) {
49 // NSLog(@"来自Camera相机的图片");
50 // //如果是 来自照相机的image，那么先保存
51 // UIImage* original_image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
52 // UIImageWriteToSavedPhotosAlbum(original_image, self,
53 // @selector(image:didFinishSavingWithError:contextInfo:),
54 // nil);
55 // }else if(picker.sourceType == UIImagePickerControllerSourceTypePhotoLibrary){
56 // NSLog(@"来自PhotoLibrary");
57 // }else if(picker.sourceType == UIImagePickerControllerSourceTypeSavedPhotosAlbum){
58 // NSLog(@"来自");
59 // }
60 // //获得编辑过的图片
61 // UIImage* image = [info objectForKey: @"UIImagePickerControllerEditedImage"];
62 // [self dismissModalViewControllerAnimated:YES];
63 // [backImageView setImage:image];
64 //}
65
66 - (void)image:(UIImageView*)image didFinishSavingWithError:(NSString*)error contextInfo:(NSString*)
67 context{
68 NSLog(@"保存完成！");
69 }
70
71 - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{
72 [self dismissModalViewControllerAnimated:YES];
73 }
74
75 - (void)dealloc
76 {
77 [showImgPickerButton release];
78 [backImageView release];
79 [super dealloc];
80 }
81
82 - (void)viewDidLoad
83 {
84 [super viewDidLoad];
85 NSError *error = [[[NSError alloc] init] autorelease];
86
87 CFShow([[NSFileManager defaultManager] contentsOfDirectoryAtPath:[NSHomeDirectory() stringByAppendingString:@"/documents"] error:&error]);
88 // Do any additional setup after loading the view, typically from a nib.
89 }
90
91 - (void)viewDidUnload
92 {
93 [super viewDidUnload];
94 // Release any retained subviews of the main view.
95 }
96
97 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
98 {
99 return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
100 }
101
102 @end
xib文件中只有一个UIImageView作为背景，还有一个按钮UIButton用来显示UIImagePickerController
