@interface OneViewController ()<UIImagePickerControllerDelegate, UINavigationControllerDelegate>{
UIImageView *imageView;
}
@end
@implementation OneViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor yellowColor];
//UIImageView 继承于UIView
imageView = [[UIImageView alloc] initWithFrame:CGRectMake(50, 50, 100, 150)];
imageView.backgroundColor = [UIColor grayColor];
[self.view addSubview:imageView];
UIButton *button = [UIButton buttonWithType:(UIButtonTypeCustom)];
button.frame = CGRectMake(100, 200, 100, 100);
button.layer.cornerRadius = 50;
[button addTarget:self action:@selector(camera) forControlEvents:(UIControlEventTouchUpInside)];
[button setTitle:@"相机" forState:(UIControlStateNormal)];
[self.view addSubview:button];
button.backgroundColor = [UIColor redColor];
UIButton *mButton = [UIButton buttonWithType:(UIButtonTypeCustom)];
mButton.frame = CGRectMake(50, 400, 100, 50);
[mButton addTarget:self action:@selector(photo) forControlEvents:(UIControlEventTouchUpInside)];
mButton.backgroundColor = [UIColor redColor];
[mButton setTitle:@"相册" forState:(UIControlStateNormal)];
[self.view addSubview:mButton];
}
- (void)camera {
//判断是否由摄像头
BOOL isCamera = [UIImagePickerController isCameraDeviceAvailable:(UIImagePickerControllerCameraDeviceRear)];
//UIImagePickerControllerCameraDeviceRear后置摄像头
//前置摄像头UIImagePickerControllerCameraDeviceFront
if (!isCamera) {
NSLog(@"没有后置摄像头");
return;
}
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
imagePicker.delegate = self;
imagePicker.editing = YES;//相机照的照片是否允许编辑
[self presentViewController:imagePicker animated:YES completion:^{
}];
}
//调取相册
- (void)photo {
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentViewController:imagePicker animated:YES completion:^{
NSLog(@"打开系统相册");
}];
imagePicker.delegate = self;
[imagePicker release];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo {
//选取相册照片
imageView.image = image;
[self dismissViewControllerAnimated:YES completion:^{
}];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end