<UIImagePickerControllerDelegate,UINavigationControllerDelegate>
#pragma mark --图片拾取器
//获取相册
- (void)pickerFromPhotoLib{
UIImagePickerController *imagepicker = [[UIImagePickerController alloc] init];
imagepicker.delegate = self;
imagepicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
imagepicker.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
imagepicker.allowsEditing = YES;
[self presentViewController:imagepicker animated:YES completion:nil];
}
//从相机获取
-(void)pickerFromCameraSource{
UIImagePickerController * imagepicker = [[UIImagePickerController alloc] init];
imagepicker.delegate = self;
imagepicker.sourceType = UIImagePickerControllerSourceTypeCamera;
imagepicker.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
imagepicker.allowsEditing = YES;
[self presentViewController:imagepicker animated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
//info里面包含所有的东西，可以打印出来看一下需要什么
[self dismissViewControllerAnimated:YES completion:nil];
}
//取消选取
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
//选择是从相册获取图片还是获取相机
- (void)changePhotolibraryOrCamera{
UIView *view = [[UIView alloc]initWithFrame:self.view.frame];
view.backgroundColor = [UIColor colorWithWhite:0.8 alpha:0.1];
[self.view addSubview:view];
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"" message:@"" preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *action = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[self pickerFromCameraSource];
[view removeFromSuperview];
}];
UIAlertAction *actionPhoto = [UIAlertAction actionWithTitle:@"从相册中选取" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[self pickerFromPhotoLib];
[view removeFromSuperview];
}];
UIAlertAction *actionCancle = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[view removeFromSuperview];
}];
[alert addAction:action];
[alert addAction:actionPhoto];
[alert addAction:actionCancle];
[self presentViewController:alert animated:YES completion:nil];
}