All Questions
15
questions
1
vote
2
answers
1k
views
How to replace AsyncTask onProgressUpdate() using Runnable callbacks
I'm trying to replace deprecated AsyncTask without using Kotlin Coroutines or others libraries, so I have
MyTask objects with following structure
public abstract class MyTask<R> implements ...
- 12.3k
-1
votes
1
answer
68
views
Android java AsyncTask wait onPostExecute return method
I wrote the following code, I'm looking for a way to make an http call, process the data and let me return the result.
The problem being an async operation, when I do html.getTi(), gives me no value ...
- 4,302
0
votes
2
answers
3k
views
assign external variable to the result of a callback inside AsynckTask
private class exampleTask extends AsyncTask<String, Void, SomeResult>{
@Override
protected SomeResult doInBackground(String... urls) {
SomeResult res ;
someMethod(new ...
- 59
0
votes
1
answer
257
views
Run View listener callback code in asynctask thread Android
I run the following code in an asynctask. For some reason, though, the onGlobalLayout code is run in my main activity thread. How can I stop this and make sure the code is run in my asynctask thread?
...
- 183
0
votes
1
answer
46
views
asynctask with callback - cant display images
Cannot display images.. unless putting the adding code in the callback function. But because i ve to cycle draw operation, ive just used the assignment
imageHandler = image; it seems to not work
...
- 103
1
vote
5
answers
1k
views
Android, Async, CallBack and UI
I have one tough problem with combining this things in a whole.
Example: I want to get user location and update UI with latitude and longitude values. Because I stick up to the MVC pattern, I've ...
3
votes
1
answer
422
views
Android callback listener - send value from pojo in SDK to an application's activity
I have a java class buried deep in an SDK that performs an action and returns a boolean. It has no knowledge of the application's main activity, but I need the main activity to receive that boolean ...
- 5,069
0
votes
1
answer
262
views
Trying to understand callbacks using interfaces after the onPostExecute() method of an AsyncTask
I have an AsyncTask anonymous class and I want to send the data that it generates back to an activity class without having to stall the UI thread by using .get(). I am having some trouble though. I ...
- 1,012
2
votes
4
answers
6k
views
Return a value from callback which is situated in an async task doInBackGround
I have the following bit of code:
here is a link to the doucmentation fo rthe asyncHttp:
Link
This is what calls the login task:
mAuthTask = new UserLoginTask();
mAuthTask.execute((Void) null);
...
- 22.5k
1
vote
4
answers
544
views
AsyncTask callback not calling
I am having a problem with getting the result from an asyncTask in a separate class. I have followed from a similar questions answer on here but I cant see where I have gone wrong.
My AsyncTask is in ...
- 696
2
votes
3
answers
4k
views
Android Interface class from another class show null pointer exception
public class MainActivity extends Activity Implements ICallInterface {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R....
- 1,823
2
votes
1
answer
234
views
techniques of asynchronous tasks
Ho do you perform asynchronous tasks and notify about their finishing?
I see the next approaches(they are related, but...) for doing it:
AsynchTask (SwingWorkerTask) where there are the such methods ...
- 5,757
1
vote
3
answers
3k
views
How access parent class view from callback function in AsyncTask?
Here is my sample code.
public class test extends Activity {
private TextView tv;
public class Blap extends AsyncTask<String,String,Boolean>{
private test parent;
@Override
...
- 160
0
votes
2
answers
1k
views
AsyncTask without callback interface
I'm trying to resolve this problem: I have a class that extends from AsyncTask, that execute some http methods, something like this:
public class RESTManager extends AsyncTask<Object, Object, ...
- 71
2
votes
5
answers
5k
views
NullpointerException when using callback function in AsyncTask
There are 2 Classes and 1 Interface: Class 1 = LoginPage, Class 2 = SyncData and Interface = AsyncTaskCompleteListener.
Class 1 uses Class 2 to sync information with the server. After Class 2 posts ...
- 1,185