StringListAdapter.java 文件源码

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder  holderView = null;
    if (convertView == null) {
        holderView = new ViewHolder ();
        convertView = View.inflate(mContext, R.layout.item_string_list, null);
        holderView.t = (TextView) convertView.findViewById(R.id.t);
        convertView.setTag(holderView);
    }else{
        holderView =(ViewHolder) convertView.getTag();
    }
    AnimationSet animationSet = new AnimationSet(true);
    TranslateAnimation mHiddenAction = new  TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
    mHiddenAction.setDuration(1000);
    animationSet.addAnimation(mHiddenAction);
    holderView.t.startAnimation(animationSet);


    holderView.t.setText(datas.get(position));
    return convertView;
}