Android Open Source - context-sms Quote Finder Activity

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License

The source code is released under:

MIT License

Java Source Code

/** This class represents the activity that displays sentences.
 * @author Bret Black//from   w  w w  .  j  a  v a 2 s  . c  o  m
 */

package com.bretblack.wesay;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.Random;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ShareActionProvider;
import android.widget.TextView;

public class QuoteFinderActivity extends Activity {
  /** The text view displaying a quote */
  private TextView quote;
  /** ArrayList containing all possible quotes */
  private ArrayList<String> sentMatches;
  /** The database storing favorites */
  private FavoritesDbAdapter mDbHelper;
  /** For share button */
  private ShareActionProvider mShareActionProvider;
  /** For random values */
  private Random r;
  /** The pattern used to get sentences */
  private Pattern p;
  /** Matcher used to match sentences */
  private Matcher pMatcher;
  /** LinkedList of generated sentences */
  private ArrayList<String> genList; 
  /** cursor for arrayList */
  private int loc = -1;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    r = new Random(); // create random generator

    // set up activity
    setContentView(R.layout.activity_random_thought);
    quote = (TextView) findViewById(R.id.quote_text);

    if (savedInstanceState == null) {
      getFragmentManager().beginTransaction()
          .add(R.id.container, new PlaceholderFragment()).commit();
    }
    
    // get the database
    //Intent intent = getIntent();
    GlobalDb mApp = (GlobalDb) getApplicationContext();
    mDbHelper = mApp.getDbAdapter();
    
    // create linked list
    genList = new ArrayList<String>();

    // create pattern
    p = Pattern.compile("[^.!?\\s][^.!?]*(?:[.!?](?!['\"]?\\s|$)[^.!?]*)*[.!?]?['\"]?(?=\\s|$)");
    
    // make logo clickable
    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here.
    Intent myIntent = new Intent(getApplicationContext(), MainActivity.class);
      startActivityForResult(myIntent, 0);
      return true;
  }

  /** responds to a next button press 
   *  if it is at the end of the list,
   *  generate more sentences. */
  public void next(View view) {
    // increment cursor
    loc++;
        
    // get view
    quote = (TextView) findViewById(R.id.quote_text);
    String s;
    
    if(loc>=genList.size()){
      // GET NEW SENTENCE
      // create the text view
      s = readSms();
      genList.add(s);
    } else {
      // get the correct element 
      s = genList.get(loc);
    }
    
    // modify text
    quote.setText("\"" + s + "\"");
  }
  
  /** responds to a back button press */
  public void back(View view) {
    // decrement cursor
    if (loc>0) loc--;
    
    // get view
    quote = (TextView) findViewById(R.id.quote_text);
    String s = genList.get(loc);
    
    // modify text
    quote.setText("\"" + s + "\"");
  }

  /**
   * Saves a quote as a favorite
   */
  public void favorite(View view) {
    // eventually the button should change colors after the quote is
    // favorited
    // String favName = "Note " + mFavoriteNumber++;
    quote = (TextView) findViewById(R.id.quote_text);
    String quoteString = quote.getText().toString();
    System.out.println(quoteString);

    // get time to use
    Calendar c = Calendar.getInstance();
    // String timeString = c.get()

    mDbHelper.open();
    mDbHelper.createNote(c.getTime().toString(), quoteString);
    mDbHelper.close();
  }
  
  /** Reads a random SMS
   * @return
   */
  public String readSms(){
    // create tree
    String smsString = new String();
    
    // parse inbox
    Uri uri = Uri.parse("content://sms/inbox");
    Cursor c = getContentResolver().query(uri, null, null, null, null);
    startManagingCursor(c);
    
    c.moveToPosition(r.nextInt(c.getCount()));
    // add the body to the string
    String body = c.getString(c.getColumnIndexOrThrow("body")).toString();
    c.close();
    
    // get a sentences from the message
    pMatcher = p.matcher(body);

    sentMatches = new ArrayList<String>();
    while (pMatcher.find()) {
      sentMatches.add(pMatcher.group(0));
    }

    String sendString = sentMatches.get(r.nextInt(sentMatches.size()));
    
    // return the string
    return sendString;
  }

  /** Makes sure that the app does not crash when the back button is pressed */
  @Override
  public void onBackPressed() {
    // Add data to your intent
    finish();
    Intent intent = new Intent(this, MainActivity.class);
    startActivity(intent);
  }
  
  /* FOR SHARE FUNCTION
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
      // Inflate menu resource file.
      getMenuInflater().inflate(R.menu.random_thought, menu);

      // Locate MenuItem with ShareActionProvider
      MenuItem item = menu.findItem(R.id.menu_item_share);

      // Fetch and store ShareActionProvider
      mShareActionProvider = (ShareActionProvider) item.getActionProvider();

      // Return true to display menu
      return true;
  }*/

  // Call to update the share intent
  private void setShareIntent(Intent shareIntent) {
      if (mShareActionProvider != null) {
          mShareActionProvider.setShareIntent(shareIntent);
      }
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_random_thought,
          container, false);
      return rootView;
    }
  }

}

Java Source Code List

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