ImportDataTask.java 文件源码

@Override
public long insertAndCheck(SQLiteDatabase db, ContentValues values) {
    if (mExistingItems.size() >= mRequiredSize) {
        // No need to add more items.
        return 0;
    }
    Intent intent;
    try {
        intent = Intent.parseUri(values.getAsString(Favorites.INTENT), 0);
    } catch (URISyntaxException e) {
        return 0;
    }
    String pkg = getPackage(intent);
    if (pkg == null || mExisitingApps.contains(pkg)) {
        // The item does not target an app or is already in hotseat.
        return 0;
    }
    mExisitingApps.add(pkg);

    // find next vacant spot.
    long screen = 0;
    while (mExistingItems.get(screen) != null) {
        screen++;
    }
    mExistingItems.put(screen, intent);
    values.put(Favorites.SCREEN, screen);
    mOutOps.add(ContentProviderOperation.newInsert(Favorites.CONTENT_URI).withValues(values).build());
    return 0;
}