Android Open Source - RSSNewsReaderApp Manage Activity

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Back to project page RSSNewsReaderApp.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.romanostrechlis.rssnews.managefeeds;
/*  w  w w .  j  a  va  2  s.c  o  m*/
import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;
import android.widget.ListView;

import com.romanostrechlis.rssnews.MainActivity;
import com.romanostrechlis.rssnews.R;
import com.romanostrechlis.rssnews.auxiliary.DatabaseHandler;
import com.romanostrechlis.rssnews.auxiliary.Helper;
import com.romanostrechlis.rssnews.auxiliary.ManageCustomArrayAdapter;
import com.romanostrechlis.rssnews.auxiliary.OnSwipeTouchListener;
import com.romanostrechlis.rssnews.content.RssFeed;

/**
 * Shows {@link ListView} with all the RssFeed objects in the database,
 * presenting as well their enabled status with an icon.
 * 
 * <p> By clicking an item in the list the status changes both in ListView 
 * and the database. When we return to the NodeListActivity the changes the
 * enabled = false objects are not present in the list.
 * 
 * @author Romanos Trechlis
 *
 */
public class ManageActivity extends Activity{

  private String TAG = "ManageActivity";
  private RssFeed mFeed;
  final ArrayList<RssFeed> mList = new ArrayList<RssFeed>();
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_manage);
    
    getActionBar().setDisplayHomeAsUpEnabled(true);
    DatabaseHandler db = DatabaseHandler.getInstance(this);
    Helper.readRSSAll(db);
    final ListView lvManage = (ListView) findViewById(R.id.lvManage);
    lvManage.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    
    // Log.d(TAG, "readRSSManage executed, now for the loop. #of items in ITEMS_TOTAL: " 
    //    + String.valueOf(Helper.ITEMS_TOTAL.size()));
    if (!Helper.ITEMS_TOTAL.isEmpty()) {
      for (RssFeed tmpItem : Helper.ITEMS_TOTAL) {
        // Log.d(TAG, "Enabled: " + tmpItem.getEnabled());
        mList.add(tmpItem);
      }
      /** 
       * We create the array using the complete list in {@link Helper.ITEMS_TOTAL}, 
       * but we use the new list to {@link Content.commitData()}.
       */
      final ManageCustomArrayAdapter adapter = new ManageCustomArrayAdapter(this, android.R.layout.simple_list_item_1, Helper.ITEMS_TOTAL);
      lvManage.setAdapter(adapter);

      lvManage.setOnTouchListener(new OnSwipeTouchListener(ManageActivity.this) {

          public void onSwipeRight() {
              // Toast.makeText(ManageActivity.this, "right", Toast.LENGTH_SHORT).show();
            Intent intent = new Intent(ManageActivity.this, EditRssFeedActivity.class);
            int position = lvManage.pointToPosition(getItemX(), getItemY());
            intent.putExtra("itemId", adapter.getItem(position).getId());
            startActivity(intent);
          }
          public void onSwipeLeft() {
              // Toast.makeText(ManageActivity.this, "left", Toast.LENGTH_SHORT).show();
              DatabaseHandler db = DatabaseHandler.getInstance(ManageActivity.this);
              int position = lvManage.pointToPosition(getItemX(), getItemY());
          if (position == ListView.INVALID_POSITION) {
          } else {
            mFeed = (RssFeed) adapter.getItem(position);
            // Log.d(LOGCAT, "mItem.getEnabled(): " + String.valueOf(mFeed.getEnabled()));
            if (mFeed.getEnabled()) {
              mFeed.setEnabled(false);
              db.updateRssFeed(mFeed);
            } else {
              mFeed.setEnabled(true);
              db.updateRssFeed(mFeed);
            }  
          }
          lvManage.setAdapter(adapter);
          }

      });
    }
    
    // TODO Change the order of appearance of RssFeeds in NodeListActivity
  }

  public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();
    if (id == android.R.id.home) {
      NavUtils.navigateUpTo(this,
          new Intent(this, MainActivity.class));
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
}

Java Source Code List

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