寫了一個listview 每行有一個刪除按鈕,用於刪除這一行。刪除按鈕的click事件是在adapter裡實現的
@Override<br />public void onClick(View v) {<br />Button delButton = (Button)v;<br />String title = (String)delButton.getTag();<br />preference.getAllViews().remove(title);<br />mTitList.remove(title);<br />baseAdapter.notifyDataSetChanged();<br />}
此時會重新調用getView方法
@Override<br />public View getView(int position, View convertView, ViewGroup parent) {<br />LinearLayout layout = null;<br />TicTacToeNode node = null;<br />if (position == 0) {<br />node = new TicTacToeNode();<br />node.setTitle("首頁");<br />}<br />else {<br />node = preference.getNodeByTitle(mTitList.get(position));<br />}<br />//if (convertView == null) {</p><p>LayoutInflater inflater = LayoutInflater.from(mContext);<br />layout = (LinearLayout)inflater.inflate(R.layout.windows_manage_list_item, null);</p><p>ImageView icon = (ImageView)layout.findViewById(R.id.item_icon);<br />if (position == 0){<br />icon.setImageBitmap(BitmapFactory.decodeResource(mContext.getResources(), R.drawable.icon));<br />}<br />else {<br />Bitmap iconBitmap = ResourceUtil.getImageBySD(Preference.SDCARD_URL + node.getIcon());<br />icon.setImageBitmap(iconBitmap);<br />//icon.setImageBitmap(Preference.GetInstence().getAllViews().get(node.getTitle()).getDrawingCache());<br />}</p><p>TextView titleView = (TextView)layout.findViewById(R.id.item_name);<br />titleView.setText(node.getTitle());<br />titleView.setTextSize(14);<br />Button deleteButton = (Button)layout.findViewById(R.id.del_button);<br />if (position == 0) {<br />deleteButton.setVisibility(View.INVISIBLE);<br />}<br />else {<br />deleteButton.setVisibility(View.VISIBLE);<br />deleteButton.setOnClickListener(deleteButtonListener);<br />deleteButton.setFocusable(false);<br />deleteButton.setTag(node.getTitle());<br />}</p><p>//}<br />//else {<br />//layout = (LinearLayout)convertView;<br />//}</p><p>return layout;<br />}
因為這裡的複用機制,所以判斷convertView為空白時才建立新的行view,此時實際效果是刪除了第一行元素(只是視圖錯亂,資料沒有問題),我想是應該removeView來刪除這個view來防止上面的問題,但如何獲得這個view呢
待驗證方式:根據button的tag記下此行的index,從傳遞過來的listview刪除掉此view