小編給大家分享一下android中如何實(shí)現(xiàn)ListView點(diǎn)擊item使item展開,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
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原理是點(diǎn)擊item的時(shí)候,重新measure list的各個(gè)item的高度
list.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView> parent, View view, int position, long id) { MyData data = myList.get(position); if (oldPostion == position) { if (data.expand) { oldPostion = -1; } data.expand = !data.expand; }else{ oldPostion = position; data.expand = true; } int totalHeight = 0; for(int i=0;iadapter:
private class myAdapter extends BaseAdapter{ @Override public int getCount() { return myList.size(); } @Override public Object getItem(int position) { return myList.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { MyTag tag = new MyTag(); MyData data = myList.get(position); if(convertView == null) { convertView = inflater.inflate(R.layout.expand_item_layout, null); tag.item1 = (TextView)convertView.findViewById(R.id.item1); tag.item2 = (RelativeLayout)convertView.findViewById(R.id.item2); convertView.setTag(tag); }else{ tag = (MyTag)convertView.getTag(); } if(data.expand) { tag.item2.setVisibility(View.VISIBLE); }else{ tag.item2.setVisibility(View.GONE); } tag.item1.setText(data.name); return convertView; } } private class MyTag{ private TextView item1; private RelativeLayout item2; } private class MyData{ boolean expand; String name; }以上是“android中如何實(shí)現(xiàn)ListView點(diǎn)擊item使item展開”這篇文章的所有內(nèi)容,感謝各位的閱讀!相信大家都有了一定的了解,希望分享的內(nèi)容對(duì)大家有所幫助,如果還想學(xué)習(xí)更多知識(shí),歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道!
名稱欄目:android中如何實(shí)現(xiàn)ListView點(diǎn)擊item使item展開-創(chuàng)新互聯(lián)
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