ViewHolder.java

package com.susion.boring.base.adapter;

import android.content.Context;
import android.util.SparseArray;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextSwitcher;
import android.widget.TextView;

import com.susion.boring.R;
import com.susion.boring.base.ui.ItemHandler;


public class ViewHolder {

    private SparseArray<View> viewHolder;
    private View view;
    public int position;

    public ItemHandler itemHandler;


    public static ViewHolder newInstant(View view) {
        ViewHolder viewHolder = (ViewHolder) view.getTag(R.id.item_tag_id);
        if (viewHolder == null) {
            viewHolder = new ViewHolder(view);
            view.setTag(R.id.item_tag_id, viewHolder);
        }

        return viewHolder;
    }

    private ViewHolder(View view) {
        this.view = view;
        viewHolder = new SparseArray<>();
    }

    public <T extends View> T get(int id) {
        View childView = viewHolder.get(id);
        if (childView == null) {
            childView = view.findViewById(id);
            viewHolder.put(id, childView);
        }
        return (T) childView;
    }

    public View getConvertView() {
        return view;
    }

    public TextView getTextView(int id) {

        return get(id);
    }

    public TextSwitcher getTextSwitcher(int id) {
        return get(id);
    }

    public Button getButton(int id) {
        return get(id);
    }

    public ImageView getImageView(int id) {
        return get(id);
    }

    public void setTextView(int id, String charSequence) {

        getTextView(id).setText(charSequence);
    }

    public void setTextView(int id, int stringId) {

        getTextView(id).setText(stringId);
    }

    public Context getContext() {
        return getConvertView().getContext();
    }


    public <T extends Object> void setOnClickListener(int vid, View.OnClickListener onClick) {
        this.get(vid).setOnClickListener(onClick);
        this.get(vid).setTag(this);
    }
}