DealDetails.java :  » App » android-in-practice » com » manning » aip » dealdroid » Android Open Source

package com.manning.aip.dealdroid;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.manning.aip.dealdroid.model.Item;

public class DealDetails extends Activity {

   public static final int MENU_MAIL = 1;
   public static final int MENU_BROWSE = 2;
   public static final int MENU_SHARE = 3;

   private DealDroidApp app;
   private ProgressBar progressBar;

   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.dealdetails);

      app = (DealDroidApp) getApplication();

      progressBar = (ProgressBar) findViewById(R.id.progress);
      progressBar.setIndeterminate(true);

      Item item = app.getCurrentItem();

      if (item != null) {
         ImageView icon = (ImageView) findViewById(R.id.details_icon);
         new RetrieveImageTask(icon).execute(item.getPic175Url());

         TextView title = (TextView) findViewById(R.id.details_title);
         title.setText(item.getTitle());

         CharSequence pricePrefix = getText(R.string.deal_details_price_prefix);
         TextView price = (TextView) findViewById(R.id.details_price);
         price.setText(pricePrefix + item.getConvertedCurrentPrice());

         TextView msrp = (TextView) findViewById(R.id.details_msrp);
         msrp.setText(item.getMsrp());

         TextView quantity = (TextView) findViewById(R.id.details_quantity);
         quantity.setText(Integer.toString(item.getQuantity()));

         TextView quantitySold = (TextView) findViewById(R.id.details_quantity_sold);
         quantitySold.setText(Integer.toString(item.getQuantitySold()));

         TextView location = (TextView) findViewById(R.id.details_location);
         location.setText(item.getLocation());

      } else {
         Toast.makeText(this, "Error, no current item selected, nothing to see here", Toast.LENGTH_LONG).show();
      }
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
      menu.add(0, DealDetails.MENU_MAIL, 0, R.string.deal_details_mail_menu);
      menu.add(0, DealDetails.MENU_BROWSE, 1, R.string.deal_details_browser_menu);
      menu.add(0, DealDetails.MENU_SHARE, 2, R.string.deal_details_share_menu);
      return true;
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
      switch (item.getItemId()) {
         case MENU_MAIL:
            shareDealUsingChooser("text/html");
            break;
         case MENU_BROWSE:
            openDealInBrowser();
            break;
         case MENU_SHARE:
            shareDealUsingChooser("text/*");
            break;
      }
      return false;
   }

   private void shareDealUsingChooser(String type) {
      Intent i = new Intent(Intent.ACTION_SEND);
      i.setType(type);
      i.putExtra(Intent.EXTRA_SUBJECT, "Subject:");
      i.putExtra(Intent.EXTRA_TEXT, createDealMessage());
      try {
         startActivity(Intent.createChooser(i, "Share deal ..."));
         //startActivity(i); // try this to see what happens when you don't set a chooser
      } catch (android.content.ActivityNotFoundException ex) {
         Toast.makeText(DealDetails.this, "There are no chooser options installed for the " + type + " + type.",
                  Toast.LENGTH_SHORT).show();
      }
   }

   private void openDealInBrowser() {
      Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(app.getCurrentItem().getDealUrl()));
      startActivity(i);
   }

   // TODO not i18n'd
   private String createDealMessage() {
      Item item = app.getCurrentItem();
      StringBuffer sb = new StringBuffer();
      sb.append("Check out this deal:\n");
      sb.append("\nTitle:" + item.getTitle());
      sb.append("\nPrice:" + item.getConvertedCurrentPrice());
      sb.append("\nLocation:" + item.getLocation());
      sb.append("\nQuantity:" + item.getQuantity());
      sb.append("\nURL:" + item.getDealUrl());
      return sb.toString();
   }

   private class RetrieveImageTask extends AsyncTask<String, Void, Bitmap> {
      private ImageView imageView;

      public RetrieveImageTask(ImageView imageView) {
         this.imageView = imageView;
      }

      @Override
      protected Bitmap doInBackground(String... args) {
         Bitmap bitmap = app.retrieveBitmap(args[0]);
         return bitmap;
      }

      @Override
      protected void onPostExecute(Bitmap bitmap) {
         progressBar.setVisibility(View.GONE);
         if (bitmap != null) {
            imageView.setImageBitmap(bitmap);
            imageView.setVisibility(View.VISIBLE);
         }
      }
   }
}