Android Open Source - storage_room_android_example Restaurant Detail Activity

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License

The source code is released under:
Copyright (c) 2011 Till Simon http://www.tillsimon.com mail@tillsimon.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation f...
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Java Source Code

package com.tillsimon.storageroom_example.activities;
//www  .j  a v  a2 s . c o  m
import java.text.ParseException;
import java.text.SimpleDateFormat;

import android.app.Activity;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.os.Bundle;
import android.util.Log;
import android.widget.ImageView;
import android.widget.RatingBar;
import android.widget.TextView;
import android.widget.Toast;

import com.commonsware.cwac.cache.SimpleWebImageCache;
import com.commonsware.cwac.thumbnail.ThumbnailBus;
import com.commonsware.cwac.thumbnail.ThumbnailMessage;
import com.tillsimon.storageroom_example.R;
import com.tillsimon.storageroom_example.application.AppConfigInterface;
import com.tillsimon.storageroom_example.application.RestaurantApplication;
import com.tillsimon.storageroom_example.model.database.RestaurantsDatabaseHelper;
import com.tillsimon.storageroom_example.model.database.RestaurantsTableInterface;

public class RestaurantDetailActivity extends Activity{
  
  private static final String[] LOADED_DB_ATTRIBUTES = {RestaurantsTableInterface.COLUMN_NAME, RestaurantsTableInterface.COLUMN_IMAGE_URL, RestaurantsTableInterface.COLUMN_TEXT, RestaurantsTableInterface.COLUMN_ADDRESS, 
    RestaurantsTableInterface.COLUMN_WEBSITE, RestaurantsTableInterface.COLUMN_LAST_VISIT, RestaurantsTableInterface.COLUMN_PRICE_RANGE, RestaurantsTableInterface.COLUMN_RATING, 
    RestaurantsTableInterface.COLUMN_VEGETARIAN, RestaurantsTableInterface.COLUMN_ENTRY_CREATED};
  private static final String[] PRICE_RANGE_MAPPING = {"$", "$$", "$$$", "$$$$", "$$$$$"};
  
  private RestaurantsDatabaseHelper restaurantsDbHelper;
  private SimpleWebImageCache<ThumbnailBus, ThumbnailMessage> cache=null;
  private RestaurantApplication mApp;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mApp = (RestaurantApplication) getApplication();
    cache = mApp.getCache();
    cache.getBus().register(getBusKey(), onCache);
    
    restaurantsDbHelper = new RestaurantsDatabaseHelper(this);
    setContentView(R.layout.restaurantsdetails);
    
    TextView name = (TextView)findViewById(R.id.name_text);
    RatingBar rating = (RatingBar)findViewById(R.id.rating_bar);
    ImageView image = (ImageView)findViewById(R.id.detailpic_image);
    TextView description = (TextView)findViewById(R.id.description_text);
    TextView address = (TextView)findViewById(R.id.address_text);
    TextView website = (TextView)findViewById(R.id.website_text);
    TextView lastVisit = (TextView)findViewById(R.id.lastvisit_text);
    TextView priceRange = (TextView)findViewById(R.id.pricerange_text);    
    TextView veggiMenu = (TextView)findViewById(R.id.veggi_text);
    TextView createdAt = (TextView)findViewById(R.id.created_text);
    
    int detailItem = (int)getIntent().getExtras().getInt("clickedItemId");
    try{
      Cursor cursor = loadSingleDatabaseEntry(detailItem);
      
      if (cursor.moveToFirst()) {
        try {
          name.setText(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_NAME)));
          rating.setRating(cursor.getInt((cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_RATING))));
          String url = cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_IMAGE_URL));
          fetchPicture(image, url);
          description.setText(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_TEXT)));
          address.setText(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_ADDRESS)));
          website.setText(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_WEBSITE)));
          lastVisit.setText(parseDateLastVisit(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_LAST_VISIT))));
          priceRange.setText(PRICE_RANGE_MAPPING[cursor.getInt(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_PRICE_RANGE))]);
          boolean veggi = Boolean.parseBoolean(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_VEGETARIAN)));
          if (veggi) {
            veggiMenu.setText(getResources().getString(R.string.yes));
          }            
          else {
            veggiMenu.setText(getResources().getString(R.string.no));
          }          
          createdAt.setText("created at "+ parseDateCreated(cursor.getString(cursor.getColumnIndexOrThrow(RestaurantsTableInterface.COLUMN_ENTRY_CREATED))));
        } catch (IllegalArgumentException e) {
          Toast.makeText(this, R.string.error_columnMissingException, Toast.LENGTH_LONG).show();
          Log.e(AppConfigInterface.TAG, "IllegalArgumentException", e);
        }
      }
    } finally {
      restaurantsDbHelper.close();
    }
  }  

  @Override
  protected void onDestroy() {
    super.onDestroy();
    restaurantsDbHelper.close();
    cache.getBus().unregister(onCache);
  }  

  protected Cursor loadSingleDatabaseEntry(int id) {
    Cursor cursor=null;
    try {
      SQLiteDatabase db = restaurantsDbHelper.getReadableDatabase();
      cursor = db.query(RestaurantsTableInterface.TABLE_NAME, LOADED_DB_ATTRIBUTES, "_id="+String.valueOf(id), null, null, null, null);
      startManagingCursor(cursor);
    }
    catch (SQLiteException e) {
      Toast.makeText(this, getResources().getString(R.string.error_sqliteException), Toast.LENGTH_LONG).show();
      Log.e(AppConfigInterface.TAG,"SQLiteException", e);
    }
    return cursor;
  }
  
  public String parseDateLastVisit(String dateLastVisit) {
    SimpleDateFormat sourceFormat = 
      (SimpleDateFormat) new SimpleDateFormat("yyyy-MM-dd");
    try {
      return SimpleDateFormat.getDateInstance(SimpleDateFormat.SHORT).format(sourceFormat.parse(dateLastVisit));      
    }
    catch (ParseException e) {
      Log.e(AppConfigInterface.TAG,"ParseException", e);
    }
    return dateLastVisit;    
  }
  
  public String parseDateCreated(String dateCreated) {
    SimpleDateFormat sourceFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
    try {
      return SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.SHORT, SimpleDateFormat.MEDIUM).format(sourceFormat.parse(dateCreated.replace("Z", "+0000")));      
    }
    catch (ParseException e) {
      Log.e(AppConfigInterface.TAG,"ParseException", e);
    }
    return dateCreated;    
  }

  private void fetchPicture(ImageView image, String url) {
    if (image!=null) {
      ThumbnailMessage msg=cache.getBus().createMessage(getBusKey());
                              
      msg.setImageView(image);
      msg.setUrl(url);
      
      try {
        cache.notify(msg.getUrl(), msg);
      }
      catch (Throwable t) {
        Log.e(AppConfigInterface.TAG, "Exception trying to fetch image", t);
      }
    }
  }
  
  private String getBusKey() {
    return(toString());
  }
  
  private ThumbnailBus.Receiver<ThumbnailMessage> onCache = new ThumbnailBus.Receiver<ThumbnailMessage>() {
    public void onReceive(final ThumbnailMessage message) {
      final ImageView image=message.getImageView();
      
      runOnUiThread(new Runnable() {
        public void run() {          
            image.setImageDrawable(cache.get(message.getUrl()));          
        }
      });
    }
  };
  

}
Java Source Code List
