调用相机、相册

没什么好说的，注意一点，就是调用相机的时候需要真机测试，用模拟器的时候要加一个判断语句，不然崩溃

 1 #import "RootViewController.h"
 2 #import "RootView.h"
 3
 4 @interface RootViewController () <UIImagePickerControllerDelegate, UINavigationControllerDelegate>
 5
 6 @property (nonatomic, strong) RootView *rootView;
 7 @end
 8
 9 @implementation RootViewController
10
11 - (void)loadView {
12     self.rootView = [[RootView alloc] initWithFrame:[UIScreen mainScreen].bounds];
13     self.view = self.rootView;
14 }
15
16
17
18 - (void)viewDidLoad {
19     [super viewDidLoad];
20     // Do any additional setup after loading the view.
21
22
23     // 添加点击事件
24     [self.rootView.cameraButton addTarget:self action:@selector(cameraButtonClick:) forControlEvents:UIControlEventTouchUpInside];
25
26     [self.rootView.photoButton addTarget:self action:@selector(photoButtonClick:) forControlEvents:UIControlEventTouchUpInside];
27 }
28
29
30
31 #pragma mark - 实现点击事件
32 // 调用相机
33 - (void)cameraButtonClick:(UIButton *)sender {
34
35     // 检测可用源
36     if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
37         // 1.创建对象并初始化
38         UIImagePickerController *imgPicker = [[UIImagePickerController alloc] init];
39
40         // 2.添加数据来源
41         imgPicker.sourceType = UIImagePickerControllerSourceTypeCamera;
42
43         // 3.设置代理
44         imgPicker.delegate = self;
45
46         // 4.是否允许编译
47         imgPicker.allowsEditing = YES;
48
49         // 5.实现页面跳转
50         [self presentViewController:imgPicker animated:YES completion:nil];
51     } else {
52         [sender setTitle:@"NO" forState:UIControlStateNormal];
53     }
54 }
55
56 // 实现代理方法
57 - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
58
59     [self dismissViewControllerAnimated:YES completion:nil];
60 }
61
62
63
64 // 调用相册
65 - (void)photoButtonClick:(UIButton *)sender {
66
67     // 1.创建对象并初始化
68     UIImagePickerController *imgPicker = [[UIImagePickerController alloc] init];
69
70     // 2.添加数据来源
71     imgPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
72
73     // 3.设置代理
74     imgPicker.delegate = self;
75
76     // 4.是否允许编译
77     imgPicker.allowsEditing = YES;
78
79     // 5.实现页面跳转
80     [self presentViewController:imgPicker animated:YES completion:nil];
81 }
82
83 @end