Java CollectionView.Inventory方法代码示例

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
/**
 * Updates the CollectionView with the given list of {@code videos}.
 */
private void updateCollectionView(List<VideoLibraryModel.Video> videos) {
    LOGD(TAG, "Updating filtered video library collection view.");
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    int normalColumns = getResources().getInteger(R.integer.video_library_columns);

    // Go through all videos and organize them into groups for each topic. We assume they are
    // already ordered by topics.
    CollectionView.InventoryGroup curGroup = new CollectionView.InventoryGroup(0)
                    .setDataIndexStart(0)
                    .setShowHeader(false)
                    .setDisplayCols(normalColumns);
    for (int dataIndex = 0; dataIndex < videos.size(); ++dataIndex) {
        curGroup.addItemWithTag(videos.get(dataIndex));
    }

    if (curGroup.getRowCount() > 0) {
        inventory.addGroup(curGroup);
    }

    mCollectionView.setCollectionAdapter(this);
    mCollectionView.updateInventory(inventory);

    mEmptyView.setVisibility(videos.isEmpty() ? View.VISIBLE : View.GONE);
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    // setup hero hashtag
    inventory.addGroup(new CollectionView.InventoryGroup(HERO_GROUP_ID)
            .setDisplayCols(1)
            .setItemCount(1)
            .setShowHeader(false));

    // setup other hashtags
    inventory.addGroup(new CollectionView.InventoryGroup(HashtagsQuery.TOKEN)
            .setDisplayCols(mContext.getResources().getInteger(R.integer.social_grid_columns))
            .setItemCount(mCursor.getCount() - 1)
            .setDataIndexStart(1)
            .setShowHeader(false));
    return inventory;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
/**
 * Returns a new instance of {@link CollectionView.Inventory}. It always contains a single
 * {@link CollectionView.InventoryGroup}.
 *
 * @return A new instance of {@link CollectionView.Inventory}.
 */
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    inventory.addGroup(new CollectionView.InventoryGroup(ExploreSessionsQuery.NORMAL_TOKEN)
            .setDisplayCols(mDisplayColumns)
            .setItemCount(getCursor().getCount())
            .setDataIndexStart(0)
            .setShowHeader(false));
    return inventory;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    inventory.addGroup(new CollectionView.InventoryGroup(PeopleIveMetQuery.TOKEN)
            .setDisplayCols(1)
            .setItemCount(1)
            .setDataIndexStart(0)
            .setShowHeader(true)
            .setHeaderLabel(mContext.getString(R.string.title_people_ive_met)));
    return inventory;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
/**
 * Returns a new instance of {@link CollectionView.Inventory}. It always contains only one
 * {@link CollectionView.InventoryGroup}.
 *
 * @return A new instance of {@link CollectionView.Inventory}
 */
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    inventory.addGroup(new CollectionView.InventoryGroup(ExpertsQuery.TOKEN)
            .setDisplayCols(mDisplayCols)
            .setItemCount(mCursor.getCount())
            .setDataIndexStart(0)
            .setShowHeader(mShowHeader)
            .setHeaderLabel(getString(R.string.title_experts_directory)));
    return inventory;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
private void updateCollectionView() {
    if (mCursor == null || mTagMetadata == null) {
        LOGD(TAG, "updateCollectionView: not ready yet... " + (mCursor == null ? "no cursor." :
                "no tag metadata."));
        // not ready!
        return;
    }
    LOGD(TAG, "SessionsFragment updating CollectionView... " + (mSessionDataIsFullReload ?
            "(FULL RELOAD)" : "(light refresh)"));
    mCursor.moveToPosition(-1);
    int itemCount = mCursor.getCount();

    mMaxDataIndexAnimated = 0;

    CollectionView.Inventory inv;
    if (itemCount == 0) {
        showEmptyView();
        inv = new CollectionView.Inventory();
    } else {
        hideEmptyView();
        inv = prepareInventory();
    }

    Parcelable state = null;
    if (!mSessionDataIsFullReload) {
        // it's not a full reload, so we want to keep scroll position, etc
        state = mCollectionView.onSaveInstanceState();
    }
    LOGD(TAG, "Updating CollectionView with inventory, # groups = " + inv.getGroupCount()
            + " total items = " + inv.getTotalItemCount());
    mCollectionView.setCollectionAdapter(this);
    mCollectionView.updateInventory(inv, mSessionDataIsFullReload);
    if (state != null) {
        mCollectionView.onRestoreInstanceState(state);
    }
    mSessionDataIsFullReload = false;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
/**
 * Returns a new instance of {@link CollectionView.Inventory}. It always contains only one
 * {@link CollectionView.InventoryGroup}.
 *
 * @return A new instance of {@link CollectionView.Inventory}
 */
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    inventory.addGroup(new CollectionView.InventoryGroup(PartnersQuery._TOKEN)
            .setDisplayCols(mDisplayCols)
            .setItemCount(mCursor.getCount())
            .setDataIndexStart(0)
            .setShowHeader(false)
            .setHeaderLabel(getString(R.string.title_experts_directory)));
    return inventory;
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
private void updateCollectionView() {
    LOGD(TAG, "Updating video library collection view.");
    CollectionView.InventoryGroup curGroup = null;
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    mCursor.moveToPosition(-1);
    int dataIndex = -1;
    int normalColumns = getResources().getInteger(R.integer.video_library_columns);

    boolean isEmpty = mCursor.getCount() == 0;

    while (mCursor.moveToNext()) {
        ++dataIndex;
        String topic = mCursor.getString(VideosQuery.TOPIC);
        boolean isHero = TextUtils.isEmpty(topic);
        int year = mCursor.getInt(VideosQuery.YEAR);
        String groupName = TextUtils.isEmpty(topic) ?
                getString(R.string.google_i_o_year, year) : topic + " (" + year + ")";

        if (curGroup == null || !curGroup.getHeaderLabel().equals(groupName)) {
            if (curGroup != null) {
                inventory.addGroup(curGroup);
            }
            curGroup = new CollectionView.InventoryGroup(
                    isHero ? GROUP_ID_HERO : GROUP_ID_NORMAL)
                    .setDataIndexStart(dataIndex)
                    .setHeaderLabel(groupName)
                    .setShowHeader(true)
                    .setDisplayCols(isHero ? 1 : normalColumns)
                    .setItemCount(1);
        } else {
            curGroup.incrementItemCount();
        }
    }

    if (curGroup != null) {
        inventory.addGroup(curGroup);
    }

    mCollectionView.setCollectionAdapter(this);
    mCollectionView.updateInventory(inventory);

    mEmptyView.setVisibility(isEmpty ? View.VISIBLE : View.GONE);
}
 

import com.google.samples.apps.iosched.ui.widget.CollectionView; //导入方法依赖的package包/类
public CollectionView.Inventory getInventory() {
    CollectionView.Inventory inventory = new CollectionView.Inventory();
    CollectionView.InventoryGroup inventoryGroup = null;
    int actualGroupId = -1;
    int p_gid = 1;
    int p_group = 2;
    
    mCursor.moveToFirst();
    do {
    	int groupId = mCursor.getInt( p_gid );
    	String groupName = mCursor.getString( p_group );
    	
    	// Create a new InventoryGroup or increase the size of the actual one.
    	if( actualGroupId != groupId ) {
    		
    		// Add the previous created InventoryGroup to the Inventory.
    		// !! We do this at the latest point because the InventoryGroup
    		//		is cloned after it was added to the Inventory otherwise it
    		//		would not register the InventoryGroup size increasment.
    		if( inventoryGroup != null ) {
    			inventory.addGroup( inventoryGroup );
    		}
    		
    		// Create the new InventoryGroup
    		inventoryGroup = new CollectionView.InventoryGroup( groupId )
    			.setDisplayCols( 1 )
    			.setDataIndexStart( mCursor.getPosition() )
    			.setShowHeader( true )
    			.setHeaderLabel( groupName )
    			.setItemCount( 1 );
    		actualGroupId = groupId;
    	} else {
    		// or increase the size of the existing one
    		inventoryGroup.incrementItemCount();
    	}
    	
    } while( mCursor.moveToNext() );
    
    // Don't forget to add the last created InventoryGroup
    inventory.addGroup( inventoryGroup );
    
    // or use an alternative way
    /*
    // setup hero hashtag
    inventory.addGroup(new CollectionView.InventoryGroup( HERO_GROUP_ID )
            .setDisplayCols(1)
            .setItemCount(1)
            .setHeaderLabel( "Hero View" )
            .setShowHeader(true));

    // setup other hashtags
    inventory.addGroup(new CollectionView.InventoryGroup( 1 )
            .setDisplayCols(1)
            .setItemCount(mCursor.getCount() - 1)
            .setDataIndexStart(1)
            .setShowHeader(false));
    */
    
    return inventory;
}