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我有一個由textView，imageView和button組成的gridView。每當用戶按下按鈕時，不可見的linearLayout應該與editText和另一個Button一起出現在舊佈局的頂部。我試過這樣做，但它總是說我不能修改點擊時膨脹的元素。有什麼建議麼？繼承人我的代碼示例：custom_product_list_square.xml在運行時點擊更改充氣的視圖
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:background="@drawable/item_border"
android:descendantFocusability="blocksDescendants"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:paddingTop="5dp" >
<LinearLayout
android:id="@+id/icon_thumbnail_sq_list"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" >
<ImageView
android:id="@+id/product_image_icon_sq_list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:contentDescription="@string/product_image"
android:src="@drawable/cake1" />
</LinearLayout>
<TextView
android:id="@+id/product_name_sq_list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/icon_thumbnail_sq_list"
android:layout_centerHorizontal="true"
android:gravity="center"
android:lines="3"
android:text="text1"
android:textColor="#040404"
android:textSize="12sp"
android:textStyle="bold"
android:typeface="sans" />
<TextView
android:id="@+id/product_price_sq_list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/product_name_sq_list"
android:layout_below="@+id/product_name_sq_list"
android:gravity="right"
android:text="text2"
android:textColor="@color/black2"
android:visibility="visible" />
<Button
android:id="@+id/order_btn"
android:layout_width="16dp"
android:layout_height="16dp"
android:layout_alignLeft="@+id/product_price_sq_list"
android:layout_alignTop="@+id/product_price_sq_list"
android:layout_marginBottom="5dp"
android:background="@drawable/plus" />
<LinearLayout
android:id="@+id/order_now"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/product_price_sq_list"
android:layout_alignParentLeft="true"
android:background="@android:color/white"
android:orientation="vertical"
android:visibility="gone" >
<EditText
android:id="@+id/product_count"
android:layout_width="64dp"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:ems="10" />
<Button
android:id="@+id/insert_btn"
android:layout_width="40dp"
android:layout_height="20dp"
android:layout_gravity="center_horizontal"
android:background="@drawable/button_animated"
android:text="insert"
android:textSize="10sp" />
</LinearLayout>
</RelativeLayout>
和繼承人活動代碼：
final class RowHolder {
ImageView productIcon;
TextView productName;
TextView productDescription;
TextView productPrice;
Button productInsertNow;
Button addProduct;
LinearLayout ln;
EditText productCount;
}
class ProductListAdapterSquare extends BaseAdapter implements IUpdateGridView{
private final Context context;
private final List<ProductList> productList;
private final LayoutInflater inflater;
private final String imageDir;
public ProductListAdapterSquare(Context context, List<ProductList>list, String imgDir) {
this.context = context;
if (list == null)
productList = new ArrayList<ProductList>();
else
productList = list;
inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
this.imageDir = imgDir;
RecipiesApplication app = (RecipiesApplication)getApplication();
app.setImageDir(imgDir);
}
public List<ProductList> getProductList() {
return productList;
}
public int getCount() {
int size = productList.size();
return size;
}
public Object getItem(int position) {
Object item = productList.get(position);
return item;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
RowHolder rowHolder = null;
ProductList product = productList.get(position);
if (convertView == null) {
convertView = inflater.inflate(R.layout.custom_product_list_square, null);
rowHolder = new RowHolder();
rowHolder.productIcon = (ImageView)convertView.findViewById(R.id.product_image_icon_sq_list);
rowHolder.productName = (TextView)convertView.findViewById(R.id.product_name_sq_list);
rowHolder.productPrice = (TextView)convertView.findViewById(R.id.product_price_sq_list);
rowHolder.ln = (LinearLayout)convertView.findViewById(R.id.order_now);
rowHolder.addProduct = (Button)convertView.findViewById(R.id.insert_btn);
rowHolder.productCount = (EditText)convertView.findViewById(R.id.product_count);
rowHolder.productInsertNow = (Button)convertView.findViewById(R.id.order_btn);
rowHolder.productInsertNow.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
rowHolder.ln.setVisibility(View.VISIBLE); // not working...
}
});
convertView.setTag(rowHolder);
}
else
rowHolder = (RowHolder)convertView.getTag();
return convertView;
}
@Override
public void updateGridSquare(String id) {
GridView gridView = (GridView)findViewById(R.id.products_group_grid);
gridView.invalidateViews();
}
@Override
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
}
}
將''rowHolder =（RowHolder）convertView.getTag（）;' – Raghunandan
仍然無法正常工作... – Aivus
如果仍然應該將其移出。 – Raghunandan