从相机捕获图像并将其保存为字符串

Question

我现在正在使用位于Resources文件夹中的1个字符串中的硬编码图像，然后通过上传和下载 处理该字符串。

我的第一项任务仍然存在。 我想通过相机捕获图像，并希望保存到Resources文件夹中，并且还想将其赋予1个字符串。

Answer 1

如果要在某处显示图像，可以使用：

-(void)chooseImageFromCamera {
    if( ![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera] ) return;

    UIImagePickerController* picker = [[UIImagePickerController alloc] init];
    picker.sourceType = UIImagePickerControllerSourceTypeCamera;
    picker.delegate = self;
    picker.allowsEditing = YES;
    picker.wantsFullScreenLayout = YES;

    [currentItem retain];
    [self presentModalViewController:picker animated:YES];
}

#pragma mark Image Picker Delegates

-(void)imagePickerController:(UIImagePickerController *)picker 
       didFinishPickingImage:(UIImage *)image 
                 editingInfo:(NSDictionary *)editingInfo {

    NSData *chosenImage = UIImageJPEGRepresentation(image, 1.0);

        /*  change this to the path of a plist file  */
    NSString *current = [NSString stringWithFormat:@"PlistFile.plist"];
    NSMutableDictionary* plistDict = [[[NSMutableDictionary alloc] initWithContentsOfFile:current] autorelease];

    // Do something with the image here.
    [plistDict setObject:chosenImage forKey:@"Photo"];
    [plistDict writeToFile:current atomically:YES];
    [self dismissModalViewControllerAnimated:YES];
}

-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [[picker parentViewController] dismissModalViewControllerAnimated:YES];
}