iOSdia调用系统相册

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1.点击按钮触发事件，调用系统的相册

#pragma mark 点击事件

- (void)onClickCarmerButton

{

    UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"请选择照片的来源" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"从相册选择",@"拍照", nil];

    [sheet showInView:self.view];

}

#pragma mark ActionSheetDelegate

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex

{

    UIImagePickerController *imageVC = [[UIImagePickerController alloc] init];

    imageVC.delegate = self;

    if (buttonIndex == 0) {

        imageVC.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

    }else if (buttonIndex == 1) {

        imageVC.sourceType = UIImagePickerControllerSourceTypeCamera;

    }else if (buttonIndex == 2) {

        return;

    }

    [self presentViewController:imageVC animated:NO completion:nil];

}

#pragma mark - UIImagePickerController Delegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

{

    UIImage *image = info[UIImagePickerControllerOriginalImage];

//    [self uploadImage:image];

    [self dismissViewControllerAnimated:YES completion:nil];

}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker

{

    [self dismissViewControllerAnimated:YES completion:nil];

}

- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated

{

    // bug fixes: UIIMagePickerController使用中偷换StatusBar颜色的问题

    if ([navigationController isKindOfClass:[UIImagePickerController class]] &&

        ((UIImagePickerController *)navigationController).sourceType ==     UIImagePickerControllerSourceTypePhotoLibrary) {

        [[UIApplication sharedApplication] setStatusBarHidden:NO];

        [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];

    }

        [[UINavigationBar appearance] setTintColor:[UIColor blackColor]];

//    [navigationController.navigationBar setTintColor:[UIColor whiteColor]];

}

 以上代码只是大体步骤

iOSdia调用系统相册

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原文地址：http://www.cnblogs.com/fantasy3588/p/4737247.html