Android Open Source - GroupGoal Sign Up Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.cs121.groupgoal;
  /*  w  w w .  j  a  v  a 2s.  c  o  m*/
  import java.util.ArrayList;
import java.util.List;
  
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
  
  import com.cs121.groupgoal.R;
import com.parse.ParseACL;
import com.parse.ParseException;
import com.parse.ParseUser;
import com.parse.SignUpCallback;
  
  /**
   * Activity which displays a sign up screen to the user.
   */
  public class SignUpActivity extends Activity {

    private EditText firstNameEditText;
    private EditText lastNameEditText;
    private EditText usernameEditText;
    private EditText passwordEditText;
    private EditText passwordAgainEditText;
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);  
      setContentView(R.layout.activity_signup);
      getActionBar().setDisplayShowTitleEnabled(false);
      
      // Sets up the signup form.
      firstNameEditText = (EditText) findViewById(R.id.username_firstname_text);
      lastNameEditText = (EditText) findViewById(R.id.username_lastname_text);
      usernameEditText = (EditText) findViewById(R.id.username_edit_text);
  
      passwordEditText = (EditText) findViewById(R.id.password_edit_text);
      passwordAgainEditText = (EditText) findViewById(R.id.password_again_edit_text);
      passwordAgainEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
          if (actionId == R.id.edittext_action_signup ||
              actionId == EditorInfo.IME_ACTION_UNSPECIFIED) {
            signup();
            return true;
          }
          return false;
        }
      });
  
      Button mActionButton = (Button) findViewById(R.id.action_button);
      mActionButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
          signup();
        }
      });
    }
  
    private void signup() {
    String userFirstName = capitalize(firstNameEditText.getText().toString().trim());
    String userLastName = capitalize(lastNameEditText.getText().toString().trim());
    
    String userfullname = userFirstName + "^" + userLastName;
      String username = usernameEditText.getText().toString().trim();
      String password = passwordEditText.getText().toString().trim();
      String passwordAgain = passwordAgainEditText.getText().toString().trim();
  
      // Validate the sign up data
      boolean validationError = false;
      StringBuilder validationErrorMessage = new StringBuilder(getString(R.string.error_intro));
      if (username.length() == 0) {
        validationError = true;
        validationErrorMessage.append(getString(R.string.error_blank_username));
      }
      if (userfullname.length() < 2) {
          validationError = true;
          validationErrorMessage.append(getString(R.string.error_blank_username));
    }
      if (password.length() == 0) {
        if (validationError) {
          validationErrorMessage.append(getString(R.string.error_join));
        }
        validationError = true;
        validationErrorMessage.append(getString(R.string.error_blank_password));
      }
      if (!password.equals(passwordAgain)) {
        if (validationError) {
          validationErrorMessage.append(getString(R.string.error_join));
        }
        validationError = true;
        validationErrorMessage.append(getString(R.string.error_mismatched_passwords));
      }
      validationErrorMessage.append(getString(R.string.error_end));
  
      // If there is a validation error, display the error
      if (validationError) {
        Toast.makeText(SignUpActivity.this, validationErrorMessage.toString(), Toast.LENGTH_LONG)
            .show();
        return;
      }
  
      // Set up a progress dialog
      final ProgressDialog dialog = new ProgressDialog(SignUpActivity.this);
      dialog.setMessage(getString(R.string.progress_signup));
      dialog.show();
  
      // Set up a new Parse user
      ParseUser user = new ParseUser(); //creates a new Parse User
      user.put("fullName", userfullname); //save the fullname entered by the user, as well as the username and password
      user.setUsername(username);
      user.setPassword(password);
      
      String message = "Edit Your Personal Message Here";
      user.put("userDescription", message);
  
      List<String> emptyList = new ArrayList<String>(); 
      user.put("friendsList", emptyList); //stores more user attributes into parse
      user.put("myGoals",  emptyList);
      user.put("createdGoals",  emptyList);
      user.put("invitedGoals", emptyList);
      
      // Call the Parse signup method
      user.signUpInBackground(new SignUpCallback() {
        @Override
        public void done(ParseException e) {
          dialog.dismiss();
          if (e != null) {
            // Show the error message
            Toast.makeText(SignUpActivity.this, e.getMessage(), Toast.LENGTH_LONG).show();
          } else {
            // Start an intent for the dispatch activity
            Intent intent = new Intent(SignUpActivity.this, MainActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(intent);
          }
        }
      });
    }
    
    @SuppressLint("DefaultLocale")
  public static String capitalize(String name) {
      name = name.toLowerCase();
      if(name.length() > 1) {
        return Character.toUpperCase(name.charAt(0)) + name.substring(1);
      } else {
        return name.toUpperCase();
      }
      
    }
  
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
      // Handle action bar item clicks here. The action bar will
      // automatically handle clicks on the Home/Up button, so long
      // as you specify a parent activity in AndroidManifest.xml.
      int id = item.getItemId();
      if (id == R.id.action_settings) {
        return true;
      }
      return super.onOptionsItemSelected(item);
    }
}

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