Android Open Source - userapp-android Auth Fragment

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License

The source code is released under:
MIT License
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Java Source Code

package io.userapp.client.android;
/*from   w  w  w  .  j a  va  2 s.c om*/
import java.util.ArrayList;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.support.v4.app.Fragment;

public class AuthFragment extends Fragment {
  private EditText loginView = null;
  private EditText passwordView = null;
  private ArrayList<EditText> signupViews = null;
  private String password = "";
  private OAuthFragment oauthFragment = null;
  public UserApp.Session session = null;
  
  public AuthFragment() {}
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    session = new UserApp.Session(getActivity());
  }
  
  @Override
  public void onResume() {
      super.onResume();
      session.onResume();
  }

  @Override
  public void onPause() {
      super.onPause();
      session.onPause();
  }
  
  /** Setup the login form with all bindings */
  public void setupLoginForm(View view, int loginViewId, int passwordViewId, int loginButtonViewId) {
    this.loginView = (EditText) view.findViewById(loginViewId);
    this.passwordView = (EditText) view.findViewById(passwordViewId);
    
    // Attach the login button
    Button button = (Button) view.findViewById(loginButtonViewId);
      button.setOnClickListener(new OnClickListener() {
          @Override
          public void onClick(View v) {
            onLogin(v);
          }
      });
  }
  
  /** Setup the signup form with all bindings */
  public void setupSignupForm(View view, int signupButtonViewId, int ... viewIds) {
    this.signupViews = new ArrayList<EditText>();
    
    for (int i = 0; i < viewIds.length; ++i) {
      this.signupViews.add((EditText) view.findViewById(viewIds[i]));
    }
    
    // Attach the signup button
    Button button = (Button) view.findViewById(signupButtonViewId);
      button.setOnClickListener(new OnClickListener() {
          @Override
          public void onClick(View v) {
            onSignup(v);
          }
      });
  }
  
  /** Setup social login (OAuth) */
  public void setupSocialLogin(View view, int oauthButtonViewId, final String providerId) {
    this.setupSocialLogin(view, oauthButtonViewId, providerId, "");
  }
  public void setupSocialLogin(View view, int oauthButtonViewId, final String providerId, final String scopes) {
    Button button = (Button) view.findViewById(oauthButtonViewId);
    
    // Attach the social login button
      button.setOnClickListener(new OnClickListener() {
          @Override
          public void onClick(View v) {
            // Call the onLoginStart event
        if (onLoginStart("", "", true) == true) {
          // Get OAuth url
              session.getOAuthUrl(providerId, UserApp.OAUTH_REDIRECT_URI, scopes, new UserApp.Session.OAuthUrlCallback() {
            @Override
            public void call(String url, Exception exception) {
              if (exception == null) {
                if (oauthFragment == null) {
                      oauthFragment = new OAuthFragment();
                    }
                    
                oauthFragment.setActivity(getActivity());
                oauthFragment.setSession(session);
                oauthFragment.authorize(url, new UserApp.Session.StatusCallback() {
                    @Override
                    public void call(Boolean authenticated, Exception exception) {
                      onLoginCompleted(authenticated, exception);
                    }
                });
              } else {
                // Error getting OAuth url
                onLoginCompleted(false, exception);
              }
            }
          });
        }
          }
      });
  }
  
  /** Method to login from a layout */
  public void onLogin(View view) {
    if (loginView == null || passwordView == null) {
      onLoginCompleted(false, new Exception("Login and password view must be set."));
    } else {
      String login = loginView.getText().toString();
      String password = passwordView.getText().toString();
      
      // Clear the fields
      loginView.setText("");
      passwordView.setText("");
      
      // Call the onLoginStart event
      if (onLoginStart(login, password, false) == true) {
        // Start a new session
        session.login(login, password, new UserApp.Session.StatusCallback() {
            @Override
            public void call(Boolean authenticated, Exception exception) {
              onLoginCompleted(authenticated, exception);
            }
        });
      }
    }
  }
  
  /** Login completed callback */
  public void onLoginCompleted(Boolean authenticated, Exception exception) {
    
  }
  
  /** Called when the login is about to start */
  public Boolean onLoginStart(String login, String password, Boolean isSocialLogin) {
    return true;
  }
  
  /** Method to signup from a layout */
  public void onSignup(View view) {
    if (this.signupViews == null) {
      onSignupCompleted(null, false, new Exception("The signup form doesn't contains any views."));
    } else {
      // Create a new user object
      User newUser = new User();      
            
      for (EditText field : this.signupViews) {
        String tag = (String)field.getTag();
        
        // Fill the user object
        if (tag.equals("login")) {
          newUser.login = field.getText().toString();
        } else if (tag.equals("email")) {
          newUser.email = field.getText().toString();
        } else if (tag.equals("first_name")) {
          newUser.first_name = field.getText().toString();
        } else if (tag.equals("last_name")) {
          newUser.last_name = field.getText().toString();
        } else if (tag.equals("password")) {
          newUser.password = field.getText().toString();
          this.password = newUser.password;
          
          // Clear the field
          field.setText("");
        }
      }
      
      newUser = onSignupStart(newUser);
      
      if (newUser != null) {
        // Save the new user
        session.saveUser(newUser, new UserApp.Session.UserCallback() {
            @Override
            public void call(User user, Exception exception) {
              user.password = password;
              password = "";
              onSignupCompleted(user, (user.locks.size() == 0), exception);
            }
        });
      }
    }
  }
  
  /** Signup completed callback */
  public void onSignupCompleted(User user, Boolean verified, Exception exception) {
    if (verified && exception == null) {
      // Log in the signed up user
      session.login(user.login, user.password, new UserApp.Session.StatusCallback() {
          @Override
          public void call(Boolean authenticated, Exception exception) {
            onLoginCompleted(authenticated, exception);
          }
      });
    }
  }
  
  /** Called when the user object is populated */
  public User onSignupStart(User user) {
    return user;
  }
    
}
Java Source Code List
