使用UIImagePickerController

最新推荐文章于 2019-12-24 16:39:12 发布

starnuoyan

最新推荐文章于 2019-12-24 16:39:12 发布

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分类专栏： UI控件基本用法文章标签：相册 image

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本文介绍如何在iOS应用中实现使用相机拍照及从相册选取图片的功能，并提供了详细的代码示例。

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if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])

{

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

imagepick.delegate = self;

imagepick.sourceType = UIImagePickerControllerSourceTypeCamera;

imagepick.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

imagepick.allowsEditing = NO;

[self presentModalViewController:imagepick animated:YES];

[imagepick release];

}else

{

msg= @"该设备不支持拍照";

}

if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])

{

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

imagepicker.view.frame = CGRectMake(0, 0, g_width, g_height);

imagepicker.delegate = self;

imagepicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

imagepicker.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

imagepicker.allowsEditing = NO;

// [self.view addSubview:imagepicker.view];

// 解决方法就是手动调用两个初始化函数：

// [imagepicker viewWillAppear:NO];

// [imagepicker viewDidAppear:NO];

[self presentModalViewController:imagepicker animated:YES];

[imagepicker release];

}else

{

msg= @"该设备不支持相册";

}

#pragma mark UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo
{
	[picker dismissModalViewControllerAnimated:YES];
}

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