com.avos.avoscloud

Class LogInCallback<T extends AVUser>

java.lang.Object

com.avos.avoscloud.AVCallback<T>

com.avos.avoscloud.LogInCallback<T>

public abstract class LogInCallback<T extends AVUser>
extends AVCallback<T>

A LogInCallback is used to run code after logging in a user.

The easiest way to use a LogInCallback is through an anonymous inner class. Override the done function to specify what the callback should do after the login is complete. The done function will be run in the UI thread, while the login happens in a background thread. This ensures that the UI does not freeze while the save happens.

For example, this sample code logs in a user and calls a different function depending on whether the login succeeded or not.

 AVUser.logInInBackground("username", "password", new LogInCallback() {
   public void done(AVUser user, AVException e) {
     if (e == null && user != null) {
       loginSuccessful();
     } else if (user == null) {
       usernameOrPasswordIsInvalid();
     } else {
       somethingWentWrong();
     }
   }
 });
 

Constructor Summary

Constructors

Constructor and Description
LogInCallback()

Method Summary

Modifier and Type	Method and Description
abstract void	done(T user, AVException e) Override this function with the code you want to run after the save is complete.
protected void	internalDone0(T returnValue, AVException e)

Methods inherited from class com.avos.avoscloud.AVCallback

internalDone, internalDone, mustRunOnUIThread

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogInCallback

public LogInCallback()

Method Detail

done

public abstract void done(T user,
                          AVException e)

Override this function with the code you want to run after the save is complete.

Parameters:

user - The user that logged in, if the username and password is valid.

e - The exception raised by the login.

internalDone0

protected final void internalDone0(T returnValue,
                                   AVException e)

Specified by:

internalDone0 in class AVCallback<T extends AVUser>