UIButton没有使用setUserInteractionEnabled禁用：NO和setEnabled：NO

Question

以下是相关代码的结构：

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {

    if(!isResponding) {

    ...

    else {

    ...

    [respondButton setUserInteractionEnabled:NO];
    [respondButton setEnabled:NO];

    [_manager POST:queryStringss parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
        [formData appendPartWithFileData:imageData name:@"file" fileName:usernameEncoded mimeType:@"image/jpeg"];}
           success:^(AFHTTPRequestOperation *operation, id responseObject) {

           ...

           failure:^(AFHTTPRequestOperation *operation, NSError *error) {
               NSLog(@"Error: %@ ***** %@", operation.responseString, error);

               ...

           }
       }
   ];

   [respondButton setUserInteractionEnabled:YES];
   [respondButton setEnabled:YES];

   ...

}

我看过，我不会在不知情的情况下重新启用该按钮，它永远不会禁用。周围的代码运行。请帮助，谢谢。

Answer 1

您应该将代码移到块中，它应该可以正常工作。

 [respondButton setUserInteractionEnabled:NO];
    [respondButton setEnabled:NO];

    [_manager POST:queryStringss parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
        [formData appendPartWithFileData:imageData name:@"file" fileName:usernameEncoded mimeType:@"image/jpeg"];}
           success:^(AFHTTPRequestOperation *operation, id responseObject) {

           ...

           failure:^(AFHTTPRequestOperation *operation, NSError *error) {
               NSLog(@"Error: %@ ***** %@", operation.responseString, error);

               ...

           }

           [respondButton setUserInteractionEnabled:YES];
           [respondButton setEnabled:YES];
       }
   ];

Answer 2

在您的网络请求成功或失败后启用了打开的用户交互

[respondButton setUserInteractionEnabled:NO];
[respondButton setEnabled:NO];

[_manager POST:queryStringss parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
    [formData appendPartWithFileData:imageData name:@"file" fileName:usernameEncoded mimeType:@"image/jpeg"];}
       success:^(AFHTTPRequestOperation *operation, id responseObject) {

       ...

       failure:^(AFHTTPRequestOperation *operation, NSError *error) {
           NSLog(@"Error: %@ ***** %@", operation.responseString, error);
           [respondButton setUserInteractionEnabled:YES];
           [respondButton setEnabled:YES];

       }
   }
];