Android Open Source - GlimmpseAndroid Means And Variance Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * Mobile - Android, User Interface for the GLIMMPSE Software System.  Allows
 * users to perform power and sample size calculations. 
 * //from w  w w. ja  v  a2 s  .c  om
 * Copyright (C) 2010 Regents of the University of Colorado.  
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package edu.ucdenver.bios.glimmpseandroid.activity.design;

import android.app.Activity;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import edu.ucdenver.bios.glimmpseandroid.R;
import edu.ucdenver.bios.glimmpseandroid.activity.TabViewActivity;
import edu.ucdenver.bios.glimmpseandroid.adapter.GestureFilter;
import edu.ucdenver.bios.glimmpseandroid.adapter.GestureFilter.SimpleGestureListener;
import edu.ucdenver.bios.glimmpseandroid.adapter.MeansAndVarianceAdapter;
import edu.ucdenver.bios.glimmpseandroid.application.StuyDesignContext;

// TODO: Auto-generated Javadoc
/**
 * The Class MeansAndVarianceActivity deals with the 'Means and Variance' screen
 * of the GLIMMPSE LITE Application.
 * 
 * @author Uttara Sakhadeo
 * @version 1.0.0
 */
public class MeansAndVarianceActivity extends Activity implements
        OnClickListener, SimpleGestureListener {

    /** The mean variance list. */
    private ListView meanVarianceList;

    /** The img. */
    static Drawable img;

    /** The detector. */
    private static GestureFilter detector;

    /**
     * This method is called by Android when the Activity is first started. From
     * the incoming Intent, it determines what kind of editing is desired, and
     * then does it.
     * 
     * @param savedInstanceState
     *            the saved instance state
     */
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        final Window window = getWindow();
        boolean useTitleFeature = false;
        detector = new GestureFilter(this, this);
        /*
         * If the window has a container, then we are not free to request window
         * features.
         */
        if (window.getContainer() == null) {
            useTitleFeature = window
                    .requestFeature(Window.FEATURE_CUSTOM_TITLE);
        }
        setContentView(R.layout.design_means_and_variance);

        if (useTitleFeature) {
            window.setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.titlebar);
        }
        Button homeButton = (Button) findViewById(R.id.home_button);
        homeButton.setText(getResources().getString(R.string.title_design));
        homeButton.setOnClickListener(this);

        Button resetButton = (Button) findViewById(R.id.reset_button);
        resetButton.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                StuyDesignContext.getInstance().setDefaultMeansAndVariance();
                listPopulate();
            }
        });

        TextView title = (TextView) findViewById(R.id.window_title);
        title.setText(getResources().getString(
                R.string.title_means_and_variance));

        img = getResources().getDrawable(R.drawable.clear_button);
        img.setBounds(0, 0, 32, 32);

        listPopulate();
    }

    /**
     * Relative group size list populate.
     */
    private void listPopulate() {
        meanVarianceList = (ListView) findViewById(R.id.means_and_variance_list_view);
        /*
       * Begin : Updating as per reviewers comments for glimmpselite paper.
       */ 
        meanVarianceList.setDescendantFocusability(ListView.FOCUS_AFTER_DESCENDANTS);
       /*
        * End : Updating as per reviewers comments for glimmpselite paper.
        */
        View header = getLayoutInflater().inflate(
                R.layout.design_means_and_variance_list_header, null, false);
        if (meanVarianceList.getHeaderViewsCount() == 0)
            meanVarianceList.addHeaderView(header);
        int groups = StuyDesignContext.getInstance().getGroups();
        if (groups > 0)
            meanVarianceList.setAdapter(new MeansAndVarianceAdapter(
                    MeansAndVarianceActivity.this, groups, img));
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onKeyDown(int, android.view.KeyEvent)
     */
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            finish();
            return true;
        }
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.view.View.OnClickListener#onClick(android.view.View)
     */
    public void onClick(View v) {
        finish();
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#dispatchTouchEvent(android.view.MotionEvent)
     */
    public boolean dispatchTouchEvent(MotionEvent me) {
        detector.onTouchEvent(me);
        return super.dispatchTouchEvent(me);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * edu.ucdenver.bios.glimmpseandroid.adapter.GestureFilter.SimpleGestureListener
     * #onSwipe(int)
     */
    public void onSwipe(int direction) {
        if (direction == GestureFilter.SWIPE_RIGHT)
            finish();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * edu.ucdenver.bios.glimmpseandroid.adapter.GestureFilter.SimpleGestureListener
     * #onDoubleTap()
     */
    public void onDoubleTap() {

    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
     */
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.home_screen_menu, menu);
        return true;
    }

    /**
     * Menu selection.
     * 
     * @param item
     *            the item
     * @return true, if successful
     */
    private boolean menuSelection(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_tutorial:
            finish();
            Intent tabIntent = new Intent(this.getBaseContext(),
                    TabViewActivity.class);
            Bundle bundle = new Bundle();
            bundle.putInt("tab_id", 0);
            tabIntent.putExtras(bundle);
            tabIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(tabIntent);
            return true;
        case R.id.menu_start:
            finish();
            return true;
        case R.id.menu_aboutus:
            finish();
            tabIntent = new Intent(this.getBaseContext(), TabViewActivity.class);
            bundle = new Bundle();
            bundle.putInt("tab_id", 2);
            tabIntent.putExtras(bundle);
            tabIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(tabIntent);
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
     */
    public boolean onOptionsItemSelected(MenuItem item) { // Handle
        return menuSelection(item);
    }
}
Java Source Code List
