Android Listview tutorial

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at first you have to create a adapter


adapter code :

public class MyVidListAdapter extends BaseAdapter {
    private Context mContext;
    private LayoutInflater mInflater;
    private ArrayList<MyVideoList> mDataSource;
    MyVideoList myVideoListmodel=null;

    public MyVidListAdapter(Context mContext,  ArrayList<MyVideoList> mDataSource) {
        this.mContext = mContext;
        this.mDataSource = mDataSource;
        mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    private static class ViewHolder {
        public TextView titleTextView;
        public TextView subtitleTextView;
        public TextView detailTextView;
        public ImageView thumbnailImageView;
        public  ImageView vListImg;

    }

    @Override    public int getCount() {
        return mDataSource.size();
    }

    @Override    public Object getItem(int position) {
        return mDataSource.get(position);
    }

    @Override    public long getItemId(int position) {
        return position;
    }

    @Override    public View getView(int position, View convertView, ViewGroup parent) {
        myVideoListmodel = mDataSource.get(position);
        ViewHolder holder = null;
        LayoutInflater mInflater = (LayoutInflater)
                mContext.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);

        if (convertView == null){
            convertView = mInflater.inflate(R.layout.my_video_list, parent, false);
        holder = new ViewHolder();

        holder.titleTextView = (TextView) convertView.findViewById(R.id.vTittleText);
        holder.subtitleTextView = (TextView) convertView.findViewById(R.id.vChannelText);
        holder.detailTextView = (TextView) convertView.findViewById(R.id.vDurationText);
        holder.thumbnailImageView = (ImageView) convertView.findViewById(R.id.vImage);
        holder.vListImg = (ImageView)convertView.findViewById(R.id.vListImg);

        convertView.setTag(holder);
        return convertView;
    }
        else{
            holder = (ViewHolder)convertView.getTag();
        }
        myVideoListmodel = (MyVideoList)getItem(position);

        holder.titleTextView.setText(myVideoListmodel.getTittle());
        holder.subtitleTextView.setText(myVideoListmodel.getChannel());
        holder.detailTextView.setText(myVideoListmodel.getDuration());
        holder.thumbnailImageView.setImageResource(myVideoListmodel.getImgId());
        holder.vListImg.setImageResource(myVideoListmodel.getImgId1());
        return convertView;
}
}