Android Open Source - SnapetsAndroid Create Account Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.keyconsultant.parse.logintutorial;
//from  w w  w  . j av a 2  s  .co  m
import java.util.Locale;

import android.os.Bundle;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;

import com.keyconsultant.parse.logintutorial.error.UnknownErrorDialogFactory;
import com.keyconsultant.parse.logintutorial.fragment.BaseFragment;
import com.keyconsultant.parse.logintutorial.model.user.UserManager;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.AuthenticateUserErrorEvent;
import com.parse.ParseException;
import com.squareup.otto.Subscribe;

/**
 * Create an Account. Username is the primary method of login. Email is used for forgotten password recovery. 
 * 
 * @author Trey Robinson
 *
 */
public class CreateAccountFragment extends BaseFragment implements OnClickListener {

    protected static final String EXTRA_EMAIL = "com.keyconsultant.parse.logintutorial.fragment.extra.EMAIL";
    protected static final String EXTRA_USERNAME = "com.keyconsultant.parse.logintutorial.fragment.extra.USERNAME";
    protected static final String EXTRA_PASSWORD = "com.keyconsultant.parse.logintutorial.fragment.extra.PASSWORD";
    protected static final String EXTRA_CONFIRM = "com.keyconsultant.parse.logintutorial.fragment.extra.CONFIRMPASSWORD";
  
  private EditText mUserNameEditText;
  private EditText mEmailEditText; 
  private EditText mPasswordEditText;
  private EditText mConfirmPasswordEditText;
  private Button mCreateAccountButton;
  
  private String mEmail;
  private String mUsername;
  private String mPassword;
  private String mConfirmPassword;
  
  /**
   * Factory method for creating fragment instances.
   * @return
   */
  public static CreateAccountFragment newInstance(){
    return new CreateAccountFragment();
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    
    View view = inflater.inflate(R.layout.fragment_create_account, container, false);
    
    mUserNameEditText = (EditText)view.findViewById(R.id.etUsername);
    mEmailEditText = (EditText)view.findViewById(R.id.etEmail);
    mPasswordEditText = (EditText)view.findViewById(R.id.etPassword);
    mConfirmPasswordEditText = (EditText)view.findViewById(R.id.etPasswordConfirm);
    
    mCreateAccountButton = (Button)view.findViewById(R.id.btnCreateAccount);
    mCreateAccountButton.setOnClickListener(this);
    return view;
  }

  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    
    if(savedInstanceState != null){
      mEmailEditText.setText(savedInstanceState.getString(EXTRA_EMAIL));
      mUserNameEditText.setText(savedInstanceState.getString(EXTRA_USERNAME));
      mPasswordEditText.setText(savedInstanceState.getString(EXTRA_PASSWORD));
      mConfirmPasswordEditText.setText(savedInstanceState.getString(EXTRA_CONFIRM));
    }
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putString(EXTRA_EMAIL, mEmailEditText.getText().toString());
    outState.putString(EXTRA_USERNAME, mUserNameEditText.getText().toString());
    outState.putString(EXTRA_PASSWORD, mPasswordEditText.getText().toString());
    outState.putString(EXTRA_CONFIRM, mConfirmPasswordEditText.getText().toString());
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.btnCreateAccount:
      createAccount();
      break;

    default:
      break;
    }
  }
  
  /**
   * Some front end validation is done that is not monitored by the service. 
   * If the form is complete then the information is passed to the service. 
   */
  private void createAccount(){
    clearErrors();
    
    boolean cancel = false;
        View focusView = null;

     // Store values at the time of the login attempt.
        mEmail = mEmailEditText.getText().toString();
        mUsername = mUserNameEditText.getText().toString();
        mPassword = mPasswordEditText.getText().toString();
        mConfirmPassword = mConfirmPasswordEditText.getText().toString();
        
        // Check for a valid confirm password.
        if (TextUtils.isEmpty(mConfirmPassword)) {
          mConfirmPasswordEditText.setError(getString(R.string.error_field_required));
          focusView = mConfirmPasswordEditText;
          cancel = true;
        } else if (mPassword != null && !mConfirmPassword.equals(mPassword)) {
          mPasswordEditText.setError(getString(R.string.error_invalid_confirm_password));
          focusView = mPasswordEditText;
          cancel = true;
        }
        // Check for a valid password.
        if (TextUtils.isEmpty(mPassword)) {
            mPasswordEditText.setError(getString(R.string.error_field_required));
            focusView = mPasswordEditText;
            cancel = true;
        } else if (mPassword.length() < 4) {
            mPasswordEditText.setError(getString(R.string.error_invalid_password));
            focusView = mPasswordEditText;
            cancel = true;
        }
        
        // Check for a valid email address.
        if (TextUtils.isEmpty(mEmail)) {
            mEmailEditText.setError(getString(R.string.error_field_required));
            focusView = mEmailEditText;
            cancel = true;
        } else if (!mEmail.contains("@")) {
            mEmailEditText.setError(getString(R.string.error_invalid_email));
            focusView = mEmailEditText;
            cancel = true;
        }

        if (cancel) {
            // There was an error; don't attempt login and focus the first
            // form field with an error.
            focusView.requestFocus();
        } else {
            // Show a progress spinner, and kick off a background task to
            // perform the user login attempt.
            UserManager.getInstance().signUp(mUsername.toLowerCase(Locale.getDefault()), mEmail, mPassword);
            
        }
        
  }
  
  /**
   * Remove error messages from all fields. 
   */
  private void clearErrors(){ mEmailEditText.setError(null);
    mUserNameEditText.setError(null);
    mPasswordEditText.setError(null);
    mConfirmPasswordEditText.setError(null);
  }
  
  @Subscribe
  public void onSignInError(AuthenticateUserErrorEvent event){
    clearErrors();
    switch (event.getErrorCode()) {
      case ParseException.INVALID_EMAIL_ADDRESS:
        mEmailEditText.setError(getString(R.string.error_invalid_email));
        mEmailEditText.requestFocus();
        break;
      case ParseException.EMAIL_TAKEN:
        mEmailEditText.setError(getString(R.string.error_duplicate_email));
        mEmailEditText.requestFocus();
        break;
      case ParseException.USERNAME_TAKEN:
        mUserNameEditText.setError(getString(R.string.error_duplicate_username));
        mUserNameEditText.requestFocus();
        break;
      default:
        UnknownErrorDialogFactory.createUnknownErrorDialog(this.getActivity()).show();
        break;
    }
  }
  
}

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