Created
December 11, 2014 08:17
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A RecyclerView with multiple view type.
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| public class GroupViewHolder extends MainViewHolder { | |
| @InjectView ( R.id.groupTitle ) | |
| TextView mTitle; | |
| @InjectView ( R.id.groupContent ) | |
| TextView mContent; | |
| public GroupViewHolder ( View itemView ) { | |
| super ( itemView ); | |
| ButterKnife.inject ( this, itemView ); | |
| } | |
| } |
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| public class ImageViewHolder extends MainViewHolder { | |
| @InjectView ( R.id.groupImage ) | |
| ImageView mImage; | |
| public ImageViewHolder ( View itemView ) { | |
| super ( itemView ); | |
| ButterKnife.inject ( this, itemView ); | |
| } | |
| } |
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| public class MainAdapter extends RecyclerView.Adapter< MainAdapter.ViewHolder > { | |
| private ArrayList< Group > groups = new ArrayList<> (); | |
| private static final int TYPE_IMAGE = 0; | |
| private static final int TYPE_GROUP = 1; | |
| @Override | |
| public int getItemViewType ( int position ) { | |
| int viewType; | |
| if ( groups.get ( position ).getImagePath () != null ) { | |
| viewType = TYPE_IMAGE; | |
| } else { | |
| viewType = TYPE_GROUP; | |
| } | |
| return viewType; | |
| } | |
| @Override | |
| public ViewHolder onCreateViewHolder ( ViewGroup viewGroup, int viewType ) { | |
| LayoutInflater mInflater = LayoutInflater.from ( viewGroup.getContext () ); | |
| switch ( viewType ) { | |
| case TYPE_IMAGE: | |
| ViewGroup vImage = ( ViewGroup ) mInflater.inflate ( R.layout.item_image, viewGroup, false ); | |
| ImageHolder vhImage = new ImageViewHolder ( vImage ); | |
| return vhImage; | |
| case TYPE_GROUP: | |
| ViewGroup vGroup = ( ViewGroup ) mInflater.inflate ( R.layout.item_group, viewGroup, false ); | |
| GroupViewHolder vhGroup = new GroupViewHolder ( vGroup ); | |
| return vhGroup; | |
| default: | |
| ViewGroup vGroup0 = ( ViewGroup ) mInflater.inflate ( R.layout.item_group, viewGroup, false ); | |
| GroupViewHolder vhGroup0 = new GroupViewHolder ( vGroup0 ); | |
| return vhGroup0; | |
| } | |
| } | |
| @Override | |
| public void onBindViewHolder ( ViewHolder viewHolder, int i ) { | |
| switch ( viewHolder.getItemViewType () ) { | |
| case TYPE_IMAGE: | |
| ImageViewHolder imageViewHolder = ( ViewHolderGuide ) viewHolder; | |
| imageViewHolder.mImage.setImageResource ( R.drawable.img_placeholder ); | |
| break; | |
| case TYPE_GROUP: | |
| GroupViewHolder groupViewHolder = ( GroupViewHolder ) viewHolder; | |
| groupViewHolder.mContent.setText ( groups.get ( i ).getContent() ); | |
| groupViewHolder.mTitle.setText ( groups.get ( i ).getTitle () ); | |
| break; | |
| } | |
| } | |
| @Override | |
| public int getItemCount () { | |
| return groups.size (); | |
| } | |
| public MainAdapter ( List< Group > groups ) { | |
| this.groups = new ArrayList<> ( groups ); | |
| } | |
| } |
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| public class MainViewHolder extends RecyclerView.ViewHolder { | |
| public ViewHolder ( View itemView ) { | |
| super ( itemView ); | |
| } | |
| } |
Update:
I had just put my custom holder class instead of ViewHolderGuide and it worked.
Thanks a lot!
That is good that you created a multiple view type adapter, but the best way it is to use any library, for example https://github.com/vivchar/RendererRecyclerViewAdapter
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What is ViewHolderGuide?