FileDocCategorySizeDatePackage
LiveFolderAdapter.javaAPI DocAndroid 1.5 API7547Wed May 06 22:42:46 BST 2009com.android.launcher

LiveFolderAdapter

public class LiveFolderAdapter extends android.widget.CursorAdapter

Fields Summary
private boolean
mIsList
private android.view.LayoutInflater
mInflater
private final HashMap
mIcons
private final HashMap
mCustomIcons
private final Launcher
mLauncher
Constructors Summary
LiveFolderAdapter(Launcher launcher, LiveFolderInfo info, android.database.Cursor cursor)


          
        super(launcher, cursor, true);
        mIsList = info.displayMode == LiveFolders.DISPLAY_MODE_LIST;
        mInflater = LayoutInflater.from(launcher);
        mLauncher = launcher;

        mLauncher.startManagingCursor(getCursor());
Methods Summary
public voidbindView(android.view.View view, android.content.Context context, android.database.Cursor cursor)

        final ViewHolder holder = (ViewHolder) view.getTag();

        holder.id = cursor.getLong(holder.idIndex);
        final Drawable icon = loadIcon(context, cursor, holder);

        holder.name.setText(cursor.getString(holder.nameIndex));

        if (!mIsList) {
            holder.name.setCompoundDrawablesWithIntrinsicBounds(null, icon, null, null);
        } else {
            final boolean hasIcon = icon != null;
            holder.icon.setVisibility(hasIcon ? View.VISIBLE : View.GONE);
            if (hasIcon) holder.icon.setImageDrawable(icon);

            if (holder.descriptionIndex != -1) {
                final String description = cursor.getString(holder.descriptionIndex);
                if (description != null) {
                    holder.description.setText(description);
                    holder.description.setVisibility(View.VISIBLE);
                } else {
                    holder.description.setVisibility(View.GONE);                    
                }
            } else {
                holder.description.setVisibility(View.GONE);                
            }
        }

        if (holder.intentIndex != -1) {
            try {
                holder.intent = Intent.getIntent(cursor.getString(holder.intentIndex));
            } catch (URISyntaxException e) {
                // Ignore
            }
        } else {
            holder.useBaseIntent = true;
        }
voidcleanup()

        for (Drawable icon : mIcons.values()) {
            icon.setCallback(null);
        }
        mIcons.clear();

        for (SoftReference<Drawable> icon : mCustomIcons.values()) {
            final Drawable drawable = icon.get();
            if (drawable != null) {
                drawable.setCallback(null);
            }
        }
        mCustomIcons.clear();

        final Cursor cursor = getCursor();
        if (cursor != null) {
            try {
                cursor.close();
            } finally {
                mLauncher.stopManagingCursor(cursor);
            }
        }
private android.graphics.drawable.DrawableloadIcon(android.content.Context context, android.database.Cursor cursor, com.android.launcher.LiveFolderAdapter$ViewHolder holder)

        Drawable icon = null;
        byte[] data = null;

        if (holder.iconBitmapIndex != -1) {
            data = cursor.getBlob(holder.iconBitmapIndex);
        }

        if (data != null) {
            final SoftReference<Drawable> reference = mCustomIcons.get(holder.id);
            if (reference != null) {
                icon = reference.get();
            }

            if (icon == null) {
                final Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
                icon = new FastBitmapDrawable(Utilities.createBitmapThumbnail(bitmap, mContext));
                mCustomIcons.put(holder.id, new SoftReference<Drawable>(icon));
            }
        } else if (holder.iconResourceIndex != -1 && holder.iconPackageIndex != -1) {
            final String resource = cursor.getString(holder.iconResourceIndex);
            icon = mIcons.get(resource);
            if (icon == null) {
                try {
                    final PackageManager packageManager = context.getPackageManager();
                    Resources resources = packageManager.getResourcesForApplication(
                            cursor.getString(holder.iconPackageIndex));
                    final int id = resources.getIdentifier(resource,
                            null, null);
                    icon = Utilities.createIconThumbnail(resources.getDrawable(id), mContext);
                    mIcons.put(resource, icon);
                } catch (Exception e) {
                    // Ignore
                }
            }
        }

        return icon;
public android.view.ViewnewView(android.content.Context context, android.database.Cursor cursor, android.view.ViewGroup parent)

        View view;
        final ViewHolder holder = new ViewHolder();

        if (!mIsList) {
            view = mInflater.inflate(R.layout.application_boxed, parent, false);
        } else {
            view = mInflater.inflate(R.layout.application_list, parent, false);
            holder.description = (TextView) view.findViewById(R.id.description);
            holder.icon = (ImageView) view.findViewById(R.id.icon);
        }

        holder.name = (TextView) view.findViewById(R.id.name);

        holder.idIndex = cursor.getColumnIndexOrThrow(LiveFolders._ID);
        holder.nameIndex = cursor.getColumnIndexOrThrow(LiveFolders.NAME);
        holder.descriptionIndex = cursor.getColumnIndex(LiveFolders.DESCRIPTION);
        holder.intentIndex = cursor.getColumnIndex(LiveFolders.INTENT);
        holder.iconBitmapIndex = cursor.getColumnIndex(LiveFolders.ICON_BITMAP);
        holder.iconResourceIndex = cursor.getColumnIndex(LiveFolders.ICON_RESOURCE);
        holder.iconPackageIndex = cursor.getColumnIndex(LiveFolders.ICON_PACKAGE);

        view.setTag(holder);

        return view;
static android.database.Cursorquery(android.content.Context context, LiveFolderInfo info)

        return context.getContentResolver().query(info.uri, null, null,
                null, LiveFolders.NAME + " ASC");