RecyclerAdapter封装
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import java.util.LinkedList; import java.util.List; import android.content.Context; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public abstract class BaseRecyclerAdapter<T> extends RecyclerView.Adapter<BaseRecyclerViewHolder> { protected Context mContext; protected LayoutInflater mInflater; protected List<T> mDatas = new LinkedList<T>(); public OnItemClickListener<T> mOnItemClickListener; public BaseRecyclerAdapter(Context context, List<T> datas) { mContext = context; mInflater = LayoutInflater.from(context); if (datas != null) { mDatas = datas; } } @Override public int getItemViewType(int position) { return super.getItemViewType(position); } @Override public int getItemCount() { int count = 0; if (mDatas.size() > 0) { count = mDatas.size(); } return count; } public void addItemLast(List<T> datas) { mDatas.addAll(datas); } public void addItemTop(List<T> datas) { mDatas = datas; } public void remove(int position) { mDatas.remove(position); } public void removeAll() { mDatas.clear(); } @Override public long getItemId(int position) { return position; } public List<T> getDatas() { return mDatas; } // 点击事件接口 public interface OnItemClickListener<T> { void onItemClick(View view, int position, T model); void onItemLongClick(View view, int position, T model); } public void setOnItemClickListener(OnItemClickListener<T> listener) { this.mOnItemClickListener = listener; } @Override public void onBindViewHolder(BaseRecyclerViewHolder holder, int position) { showViewHolder(holder,position); } @Override public BaseRecyclerViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { return createViewHOldeHolder(parent, viewType); } protected abstract void showViewHolder(BaseRecyclerViewHolder holder, int position); /*** * * @param parent * @param viewType * @return */ protected abstract BaseRecyclerViewHolder createViewHOldeHolder(ViewGroup parent, int viewType); }
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import android.support.v7.widget.RecyclerView.ViewHolder; import android.view.View; public abstract class BaseRecyclerViewHolder extends ViewHolder { public BaseRecyclerViewHolder(View view) { super(view); } }
使用方法
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/*** * 用户列表adapter * */ public class UserListAdapter extends BaseRecyclerAdapter<UserDetails> { public UserListAdapter(Context context, List<UserDetails> datas) { super(context, datas); } @Override protected void showViewHolder(BaseRecyclerViewHolder holder, final int position) { final ViewHolder viewHolder=(ViewHolder)holder; final UserDetails model=mDatas.get(position); if (TextUtils.isEmpty(model.getIcon())) { FangDaImageLoader.getInstance().setImage("drawable://" + R.drawable.face_default, viewHolder.img_icon); } else { FangDaImageLoader.getInstance().setImage(model.getIcon(), viewHolder.img_icon); } viewHolder.txt_message.setText(model.getIntro()); viewHolder.txt_username.setText(model.getUserName()); viewHolder.btn_user_state.setSelected(true); viewHolder.btn_user_state.setText(mContext.getString(R.string.btn_add_text)); viewHolder.btn_user_state.setVisibility(View.GONE); if (mOnItemClickListener != null) { holder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mOnItemClickListener.onItemClick(viewHolder.itemView, position,model); } }); // 长点击事件 holder.itemView.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { mOnItemClickListener.onItemLongClick(viewHolder.itemView, position,model); return true; } }); } } @Override protected BaseRecyclerViewHolder createViewHOldeHolder(ViewGroup parent, int viewType) { View mView = null; BaseRecyclerViewHolder mViewHolder = null; mView = mInflater.inflate(R.layout.row_invite_msg, parent, false); mViewHolder = new ViewHolder(mView); return mViewHolder; } static class ViewHolder extends BaseRecyclerViewHolder { @Bind(R.id.img_icon) RoundImageView img_icon; @Bind(R.id.txt_message) CustomTextView txt_username; @Bind(R.id.txt_username) CustomTextView txt_message; @Bind(R.id.btn_user_state) CustomButton btn_user_state; ViewHolder(View view) { super(view); ButterKnife.bind(this, view); } } }
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adapter.setOnItemClickListener(new BaseRecyclerAdapter.OnItemClickListener<UserDetails>() { @Override public void onItemClick(View view, int position, UserDetails model) { intent=new Intent(context, PersonalSpaceActivity.class); intent.putExtra("uid",model.getUid()); intent.putExtra("username", model.getUserName()); startActivity(intent); } @Override public void onItemLongClick(View view, int position, UserDetails model) { } });