#import <UIKit/UIKit.h>@interface RootViewController : UIViewController<UIActionSheetDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate>{    UIImageView *imageView;}

- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.        self.title=@"图片手势，上传照片";    //初始化背景图    [self initBackgroundView];    }#pragma -mark -functions-(void)initBackgroundView{    imageView =[[UIImageView alloc]initWithFrame:CGRectMake(100, 150, 200, 150)];    imageView.backgroundColor = [UIColor redColor];    [self.view addSubview:imageView];        [imageView setUserInteractionEnabled:YES];    UITapGestureRecognizer * clickGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(clickGesture:)];    [imageView addGestureRecognizer:clickGesture];}#pragma -mark -doClickActions-(void)clickGesture:(UIGestureRecognizer*)gesture{    UIActionSheet *actionSheet = [[UIActionSheet alloc]initWithTitle:@"选择图片来源" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"拍照" otherButtonTitles:@"本地相册", nil];    [actionSheet showInView:self.view];}#pragma -mark UIActionSheetDelegate-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{    NSLog(@"--buttonIndex-%i",buttonIndex);        UIImagePickerController *pickView = [[UIImagePickerController alloc]init];    pickView.delegate=self;            if(buttonIndex==0&&!TARGET_IPHONE_SIMULATOR){        //相机        pickView.sourceType = UIImagePickerControllerSourceTypeCamera;        [self presentViewController:pickView animated:NO completion:nil];            }else if (buttonIndex==1){        //相册        pickView.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;        [self presentViewController:pickView animated:NO completion:nil];            }}#pragma -mark -UIImagePickerControllerDelegate-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{    UIImage * image = [info objectForKey:UIImagePickerControllerOriginalImage];    [imageView setImage:image];    [picker dismissViewControllerAnimated:NO completion:nil];    }-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{    [picker dismissViewControllerAnimated:NO completion:nil];    }