IOS调用相机，保存到沙盒

最新推荐文章于 2025-05-12 18:08:22 发布

Fantasy-Melody

最新推荐文章于 2025-05-12 18:08:22 发布

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分类专栏： IOS开发笔记文章标签： ios 照相机压缩

本文链接：https://blog.youkuaiyun.com/fantasytomelody/article/details/17303185

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这篇博客详细介绍了如何在iOS应用中集成相机功能，允许用户拍照后将图片保存到应用的沙盒存储空间。通过实现UINavigationControllerDelegate和UIImagePickerControllerDelegate代理，确保了照片的顺利获取和存储。

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- (IBAction)take_pictures_btn:(id)sender {
   
    //设定sourceType为相机
    UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
   
    UIImagePickerController *picker = [[UIImagePickerController alloc] init];
    
    picker.delegate = self;
    
    picker.allowsEditing = NO; //设置为不可编辑
    
    picker.sourceType = sourceType;
    
    [self presentModalViewController:picker animated:YES];//进入照相界面

}

#pragma mark - image picker delegte
- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
     [picker dismissViewControllerAnimated:YES completion:^{}];
     UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];

    //压缩图片，格式为JPEG，压缩率为50%
    NSData *imageData = UIImageJPEGRepresentation(image, 0.5);
    
    //