Android Open Source - CATaZine-Live Feeds Cursor Adapter






From Project

Back to project page CATaZine-Live.

License

The source code is released under:

GNU General Public License

If you think the Android project CATaZine-Live listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.melegy.catazine.adapter;
//w  ww.  j a  v a2s  .  c o  m
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.melegy.catazine.R;
import com.melegy.catazine.provider.FeedData.FeedColumns;
import com.melegy.catazine.utils.UiUtils;

public class FeedsCursorAdapter extends CursorLoaderExpandableListAdapter {

    private int isGroupPosition = -1;
    private int namePosition = -1;
    private int idPosition = -1;
    private int linkPosition = -1;
    private int iconPosition = -1;

    public FeedsCursorAdapter(Activity activity, Uri groupUri) {
        super(activity, groupUri, R.layout.item_feed_list, R.layout.item_feed_list);
    }

    @Override
    protected void onCursorLoaded(Context context, Cursor cursor) {
        getCursorPositions(cursor);
    }

    @Override
    protected void bindChildView(View view, Context context, Cursor cursor) {
        view.findViewById(R.id.indicator).setVisibility(View.INVISIBLE);

        TextView textView = ((TextView) view.findViewById(android.R.id.text1));
        byte[] iconBytes = cursor.getBlob(iconPosition);
        Bitmap bitmap = UiUtils.getScaledBitmap(iconBytes, 18);
        if (bitmap != null) {
            textView.setCompoundDrawablesWithIntrinsicBounds(new BitmapDrawable(context.getResources(), bitmap), null, null, null);
        } else {
            textView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
        }

        textView.setText((cursor.isNull(namePosition) ? cursor.getString(linkPosition) : cursor.getString(namePosition)));
    }

    @Override
    protected void bindGroupView(View view, Context context, Cursor cursor, boolean isExpanded) {
        ImageView indicatorImage = (ImageView) view.findViewById(R.id.indicator);

        if (cursor.getInt(isGroupPosition) == 1) {
            indicatorImage.setVisibility(View.VISIBLE);

            TextView textView = ((TextView) view.findViewById(android.R.id.text1));
            textView.setEnabled(true);
            textView.setText(cursor.getString(namePosition));
            textView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
            textView.setText(cursor.getString(namePosition));

            if (isExpanded)
                ;
            else
                ;
        } else {
            bindChildView(view, context, cursor);
            indicatorImage.setVisibility(View.GONE);
        }
    }

    @Override
    protected Uri getChildrenUri(Cursor groupCursor) {
        return FeedColumns.FEEDS_FOR_GROUPS_CONTENT_URI(groupCursor.getLong(idPosition));
    }

    @Override
    public void notifyDataSetChanged() {
        getCursorPositions(null);
        super.notifyDataSetChanged();
    }

    @Override
    public void notifyDataSetChanged(Cursor data) {
        getCursorPositions(data);
    }

    @Override
    public void notifyDataSetInvalidated() {
        getCursorPositions(null);
        super.notifyDataSetInvalidated();
    }

    private synchronized void getCursorPositions(Cursor cursor) {
        if (cursor != null && isGroupPosition == -1) {
            isGroupPosition = cursor.getColumnIndex(FeedColumns.IS_GROUP);
            namePosition = cursor.getColumnIndex(FeedColumns.NAME);
            idPosition = cursor.getColumnIndex(FeedColumns._ID);
            linkPosition = cursor.getColumnIndex(FeedColumns.URL);
            iconPosition = cursor.getColumnIndex(FeedColumns.ICON);
        }
    }
}




Java Source Code List

com.melegy.catazine.Constants.java
com.melegy.catazine.MainApplication.java
com.melegy.catazine.activity.AboutActivity.java
com.melegy.catazine.activity.BaseActivity.java
com.melegy.catazine.activity.EntryActivity.java
com.melegy.catazine.activity.GeneralPrefsActivity.java
com.melegy.catazine.activity.HomeActivity.java
com.melegy.catazine.adapter.CursorLoaderExpandableListAdapter.java
com.melegy.catazine.adapter.DrawerAdapter.java
com.melegy.catazine.adapter.EntriesCursorAdapter.java
com.melegy.catazine.adapter.FeedsCursorAdapter.java
com.melegy.catazine.fragment.EntriesListFragment.java
com.melegy.catazine.fragment.EntryFragment.java
com.melegy.catazine.loader.BaseLoader.java
com.melegy.catazine.parser.OPML.java
com.melegy.catazine.parser.RssAtomParser.java
com.melegy.catazine.provider.DatabaseHelper.java
com.melegy.catazine.provider.FeedDataContentProvider.java
com.melegy.catazine.provider.FeedData.java
com.melegy.catazine.receiver.BootCompletedBroadcastReceiver.java
com.melegy.catazine.receiver.ConnectionChangeReceiver.java
com.melegy.catazine.service.FetcherService.java
com.melegy.catazine.service.RefreshService.java
com.melegy.catazine.utils.ArticleTextExtractor.java
com.melegy.catazine.utils.HtmlUtils.java
com.melegy.catazine.utils.NetworkUtils.java
com.melegy.catazine.utils.PrefUtils.java
com.melegy.catazine.utils.StringUtils.java
com.melegy.catazine.utils.ThrottledContentObserver.java
com.melegy.catazine.utils.UiUtils.java
com.melegy.catazine.view.DragNDropExpandableListView.java
com.melegy.catazine.view.DragNDropListener.java
com.melegy.catazine.view.EntryView.java
com.melegy.catazine.widget.ColorPickerDialogPreference.java
com.melegy.catazine.widget.TickerWidgetProvider.java
com.melegy.catazine.widget.WidgetConfigActivity.java
com.melegy.catazine.widget.WidgetProvider.java
com.melegy.catazine.widget.WidgetService.java