Android Open Source - android-rss Channel Edit

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * $Id: ChannelEdit.java 112 2008-02-14 00:34:50Z jasta00 $
 *//from  ww  w.jav  a 2  s  .c  om
 * Copyright (C) 2007 Josh Guilfoyle <jasta@devtcg.org>
 *
 * 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, 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.
 */

package org.devtcg.rssreader.activity;

import org.devtcg.rssreader.R;
import org.devtcg.rssreader.provider.RSSReader;

import android.app.Activity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class ChannelEdit extends Activity
{
  private TextView mURLText;
  private TextView mTitleText;
  
  private Uri mURI;
  
  private Cursor mCursor;
  
  private static final String[] PROJECTION = {
    RSSReader.Channels._ID,
    RSSReader.Channels.URL, RSSReader.Channels.TITLE,
    RSSReader.Channels.ICON };
  
  private static final int URL_INDEX = 1;
  private static final int TITLE_INDEX = 2;
  private static final int ICON_INDEX = 3;
  
  @Override
  protected void onCreate(Bundle icicle)
  {
    super.onCreate(icicle);
        
    mURI = getIntent().getData();
    mCursor = managedQuery(mURI, PROJECTION, null, null);

    setContentView(R.layout.channel_edit);
    
    mURLText = (TextView)findViewById(R.id.channelEditURL);
    mTitleText = (TextView)findViewById(R.id.channelEditName);
    
    Button save = (Button)findViewById(R.id.channelEditSave);
    save.setOnClickListener(mSaveListener);
  }

  @Override
  protected void onResume()
  {
    super.onResume();

    if (mCursor == null)
      return;

    mCursor.first();
    
    mURLText.setText(mCursor, URL_INDEX);
    mTitleText.setText(mCursor, TITLE_INDEX);
  }
  
  @Override
  protected void onPause()
  {
    super.onPause();

    if (mCursor == null)
      return;

    updateProvider();
    managedCommitUpdates(mCursor);
  }

  private void updateProvider()
  {
    if (mCursor == null)
      return;

    mCursor.updateString(URL_INDEX, mURLText.getText().toString());
    mCursor.updateString(TITLE_INDEX, mTitleText.getText().toString());
  }

  private OnClickListener mSaveListener = new OnClickListener()
  {
    public void onClick(View v)
    {
      updateProvider();
      mCursor.commitUpdates();
      
      setResult(RESULT_OK, mURI.toString());
      finish();
    }
  };
}

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