Android Open Source - CheckIt_Android Login Activity

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Back to project page CheckIt_Android.

License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2014 Bhavyanshu Parasher/*from   ww w . j  a  va  2 s. c o m*/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.pytacular.checkitcloudchecklist;

import android.app.Activity;
import android.app.Dialog;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

import com.parse.LogInCallback;
import com.parse.ParseException;
import com.parse.ParseUser;

public class LoginActivity extends SherlockActivity {

  private EditText mUsernameField;
  private EditText mPasswordField;
  private TextView mErrorField;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);

    mUsernameField = (EditText) findViewById(R.id.login_username);
    mPasswordField = (EditText) findViewById(R.id.login_password);
    mErrorField = (TextView) findViewById(R.id.error_messages);

    if (InternetStatus.getInstance(this).isOnline(this)) {
      // Pass
    } else {
      mErrorField
          .setText("No internet connection available. Please check your connection settings.");
    }
  }

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

  public void signIn(final View v) {
    v.setEnabled(false);
    ParseUser.logInInBackground(mUsernameField.getText().toString(),
        mPasswordField.getText().toString(), new LogInCallback() {
          @Override
          public void done(ParseUser user, ParseException e) {
            if (user != null) {
              Intent intent = new Intent(LoginActivity.this,
                  MainActivity.class);
              startActivity(intent);
              finish();
            } else {
              // Signup failed. Look at the ParseException to see
              // what happened.
              switch (e.getCode()) {
              case ParseException.USERNAME_TAKEN:
                mErrorField
                    .setText("Sorry, this username has already been taken.");
                break;
              case ParseException.USERNAME_MISSING:
                mErrorField
                    .setText("Sorry, you must supply a username to register.");
                break;
              case ParseException.PASSWORD_MISSING:
                mErrorField
                    .setText("Sorry, you must supply a password to register.");
                break;
              case ParseException.OBJECT_NOT_FOUND:
                mErrorField
                    .setText("Sorry, those credentials were invalid.");
                break;
              case ParseException.CONNECTION_FAILED:
                mErrorField
                    .setText("Internet connection was not found. Please see your connection settings.");
                break;
              default:
                mErrorField.setText(e.getLocalizedMessage());
                break;
              }
              v.setEnabled(true);
            }
          }
        });
  }

  public void showRegistration(View v) {
    Intent intent = new Intent(this, RegisterActivity.class);
    startActivity(intent);
    finish();
  }

  /**
   * When an item from a menu is selected
   */
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    ActionBar menubar = getSupportActionBar();
    switch (item.getItemId()) {
    case R.id.action_settings:
      /*
       * Toast.makeText(this, "Settings", Toast.LENGTH_SHORT).show(); Was
       * using this for debugging
       */
      break;
    case R.id.action_help:
      showOverLay();
      return true;
    default:
      break;
    }

    return true;
  }

  public void showOverLay() {

    final Dialog dialog = new Dialog(this,
        android.R.style.Theme_Translucent_NoTitleBar);

    dialog.setContentView(R.layout.overlay_view);

    LinearLayout layout = (LinearLayout) dialog
        .findViewById(R.id.overlayLayout);
    layout.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View arg0) {
        dialog.dismiss();
      }
    });
    dialog.show();
  }

}

Java Source Code List

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