Gridview滾動 - 回收視圖

Question

我試圖回收gridview項目，因爲目前的解決方案工作，但是laggy和吃掉資源。但是，我無法弄清楚如何。 Android開發者網站的例子並不適合我。

我getview（）方法：

public View getView(int position, View paramView, ViewGroup paramViewGroup) { 
    long starttime = System.currentTimeMillis(); 

View localView = MMWeb.this.getLayoutInflater().inflate(R.layout.grid_item, null); 
TextView localTextView = (TextView)localView.findViewById(2131034115); 
ImageView localImageView = (ImageView)localView.findViewById(2131034114); 

cItem = items.get(position); 
cItem.add(Integer.toString(position)); 
localTextView.setText(getItemName()); 
Bitmap localBitmap = d.getImage(cItem.get(3), cItem.get(2)); 
localImageView.setImageBitmap(localBitmap); 
Common.toLog("getView took "+ (System.currentTimeMillis() - starttime) + " ms"); 
return localView; } 

有人能指出我在正確的方向？任何建議如何解決這個將不勝感激！

Answer 1

只需使用paramView，這是adapterview傳遞的可重用視圖，因爲它在屏幕上不再可見。

if (paramView == null) { 
    // inflate a new view into paramView. 
    paramView = MMWeb.this.getLayoutInflater().inflate(R.layout.grid_item, null); 
} 
// fill the paramView 
TextView localTextView = (TextView)paramView .findViewById(2131034115); 
ImageView localImageView = (ImageView)paramView .findViewById(2131034114); 

cItem = items.get(position); 
cItem.add(Integer.toString(position)); 
localTextView.setText(getItemName()); 
Bitmap localBitmap = d.getImage(cItem.get(3), cItem.get(2)); 
localImageView.setImageBitmap(localBitmap); 

return paramView;