1、首先需要遵循代理:UIImagePickerControllerDelegate
2、PS:此方法适配iOS8之后,如果想用UIAlertView,请自己实现
-(void)changeIcon:(UITapGestureRecognizer*)tap
{
/**
* 弹出提示框
*/
//初始化提示框
UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
//按钮:拍照,类型:UIAlertActionStyleDefault
[alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"local_takePhoto", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action){
/**
其实和从相册选择一样,只是获取方式不同,前面是通过相册,而现在,我们要通过相机的方式
*/
UIImagePickerController *PickerImage = [[UIImagePickerController alloc]init];
//获取方式:通过相机
PickerImage.sourceType = UIImagePickerControllerSourceTypeCamera;
PickerImage.allowsEditing = YES;
PickerImage.delegate = self;
[self presentViewController:PickerImage animated:YES completion:nil];
}]];
//按钮:从相册选择,类型:UIAlertActionStyleDefault
[alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"local_photoChoose", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
//初始化UIImagePickerController
UIImagePickerController *PickerImage = [[UIImagePickerController alloc]init];
//获取方式1:通过相册(呈现全部相册),UIImagePickerControllerSourceTypePhotoLibrary
//获取方式2,通过相机,UIImagePickerControllerSourceTypeCamera
//获取方法3,通过相册(呈现全部图片),UIImagePickerControllerSourceTypeSavedPhotosAlbum
PickerImage.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
//允许编辑,即放大裁剪
PickerImage.allowsEditing = YES;
//自代理
PickerImage.delegate = self;
//页面跳转
[self presentViewController:PickerImage animated:YES completion:nil];
}]];
//按钮:取消,类型:UIAlertActionStyleCancel
[alert addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"local_cancle", nil) style:UIAlertActionStyleCancel handler:nil]];
[self presentViewController:alert animated:YES completion:nil];
}
3、实现 PickerImage代理方法:
#pragma mark--------PickerImage完成后的代理方法
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
//定义一个newPhoto,用来存放我们选择的图片。
UIImage *newPhoto = [info objectForKey:@"UIImagePickerControllerEditedImage"];
NSLog(@"newPhoto :%@",newPhoto);
[iconImageView setImage:newPhoto];
[self dismissViewControllerAnimated:YES completion:nil];
//需要更新服务器上的图片
// [self uploadIcon:newPhoto];
}
4、上传图片到服务器请见:传送门来了