Android Open Source - Photochat Sign Up Activity

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.navneet.photochat;
// ww w .  j av a 2 s . c  o  m
import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.parse.ParseException;
import com.parse.ParseUser;
import com.parse.SignUpCallback;

public class SignUpActivity extends Activity {
  protected EditText mUsername;
  protected EditText mPassword;
  protected EditText mEmail;
  protected Button mSignup;
  protected TextView mSignTitle;
  protected Button mCancel;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // To display progress indicator and must be called before set content
    // view
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    setContentView(R.layout.activity_sign_up);

    // Hide the action bar
    ActionBar action = getActionBar();
    action.hide();
    mSignTitle = (TextView) findViewById(R.id.title2);
    // Font Path
    String fontPath = "fonts/Fortune.otf";
    Typeface tf = Typeface.createFromAsset(getAssets(), fontPath);
    mSignTitle.setTypeface(tf);

    // Declaring member variables
    mCancel = (Button) findViewById(R.id.cancelButton);
    mUsername = (EditText) findViewById(R.id.userName_signup);
    mPassword = (EditText) findViewById(R.id.passWord_signup);
    mEmail = (EditText) findViewById(R.id.eMail);
    mSignup = (Button) findViewById(R.id.signupButton);
    mCancel.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View arg0) {
        finish();
      }
    });
    // Set font face
    String font = "fonts/Roboto-Black.ttf";
    Typeface stf = Typeface.createFromAsset(getAssets(), font);
    mSignup.setTypeface(stf);

    // Button onclicklistener
    mSignup.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub

        String username = mUsername.getText().toString();
        String password = mPassword.getText().toString();
        String email = mEmail.getText().toString();

        // For getting rid of white-spaces

        username = username.trim();
        password = password.trim();
        email = email.trim();
        // Checking for empty fields
        if (username.isEmpty() || password.isEmpty() || email.isEmpty()) {
          // Alert the user of errors using dialogs

          AlertDialog.Builder builder = new AlertDialog.Builder(
              SignUpActivity.this);
          builder.setMessage("Please enter valid username and password");
          builder.setTitle("Oops!");
          // Button to dismiss the dialog
          builder.setPositiveButton(android.R.string.ok, null);
          // Show the dialog
          AlertDialog dialog = builder.create();
          dialog.show();

        } else {
          // TODO: Create the new user!!
          setProgressBarIndeterminateVisibility(true);
          ParseUser newUser = new ParseUser();
          newUser.setUsername(username);
          newUser.setPassword(password);
          newUser.setEmail(email);
          // Sign up in background helps the app to be responsive evn
          // when its accessing the data from parse.com
          newUser.signUpInBackground(new SignUpCallback() {

            // Code to be executed when signup process is complete
            @Override
            public void done(ParseException e) {
              setProgressBarIndeterminateVisibility(false);
              PhotoChatApplication
                  .updateParseInstallation(ParseUser
                      .getCurrentUser());

              // TODO Auto-generated method stub
              if (e == null) {
                // success
                Intent intent = new Intent(SignUpActivity.this,
                    MainActivity.class);
                // To disallow the user from backing upto the
                // signup page again
                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
                // Going to the mailbox
                startActivity(intent);
              } else {
                // Alert the user of errors using dialogs

                AlertDialog.Builder builder = new AlertDialog.Builder(
                    SignUpActivity.this);
                builder.setMessage(e.getMessage());
                builder.setTitle("Oops!");
                // Button to dismiss the dialog
                builder.setPositiveButton(android.R.string.ok,
                    null);
                // Show the dialog
                AlertDialog dialog = builder.create();
                dialog.show();
              }
            }
          });
        }

      }
    });

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.sign_up, menu);
    return true;
  }

  @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);
  }
}

Java Source Code List

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