private List<RedRecordsBean.DataEntity.PageEntity> page;

listrds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

//這是錯誤的RedRecordsBean.DataEntity.PageEntity pageEntity = page.get(position);

        RedRecordsBean.DataEntity.PageEntity entity = (RedRecordsBean.DataEntity.PageEntity) parent.getAdapter().getItem(position);
        if (entity.getPacketType() == 4) {//轉發紅包
            if (!TextUtils.isEmpty(entity.getGourl())) {
                HtmlForwardActivity.toMe(mContext, entity.getArticleId(), entity.getPacketId(), entity.getGourl(), entity.getTitle(), entity.getContent(), entity.getIcon(), entity.getShareUrl(), entity.getShareImg(), entity.getShareSwitch(), true);
            }
        } else if (entity.getPacketType() == 5) {//閱讀紅包
            if (!TextUtils.isEmpty(entity.getGourl())) {
                Intent intent = new Intent(mContext, HtmlReadingActivity.class);
                intent.putExtra("packetId", entity.getPacketId());
                intent.putExtra("goUrl", entity.getGourl());
                mContext.startActivity(intent);
                overridePendingTransition(R.anim.bottom_in, R.anim.bottom_silent);
            }
        } else if (entity.getPacketType() == 6) {//商訊紅包
            Intent intent = new Intent(mContext, BusinessMessageActivity.class);
            intent.putExtra("flag", 1);
            intent.putExtra("packetId", entity.getPacketId());
            intent.putExtra("shareUrl", entity.getShareUrl());
            intent.putExtra("title", entity.getTitle());
            intent.putExtra("content", entity.getContent());
            intent.putExtra("icon", entity.getIcon());
            intent.putExtra("shareImg", entity.getShareImg());
            intent.putExtra("shareSwich", entity.getShareSwitch());
            startActivity(intent);
        }
    }
});
 

這是我寫的一個listview點選事件，主要的問題是在獲取集合長度的時候從集合裡直接去索引會出現陣列下邊越界，page.get(position)，

解決方法最好是在介面卡中獲取parent.getAdapter().getItem(position)，這樣就不會出現這樣的問題了。在這裡做出記錄。