以下に示すように、アダプターが接続されたリストフラグメントがあります。getView 内で、imageLoader はそのビューに画像をロードし、タイミングとロードは問題なく動作しますが、レイアウトの高さを設定する最良の方法がわかりません。 imageLoader 呼び出しの getview と一貫性がありません。ビューが更新および更新されていることを確認する方法と、受信した画像の高さを知る方法はわかりません。
コード: TestCustomArrayAdapter
package com.adapters;
public class TestCustomArrayAdapter extends ArrayAdapter<TestItemModel> {
/** Instance Variables **/
// private Instances
private final LayoutInflater _inflater;
public OnItemClickListener _ol;
public ImageLoader _imageLoader;
public TestCustomArrayAdapter(Context context) {
super(context, R.layout.test_list_fragment);
// Set-up inflater
_inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// Set-up up Image Loader
_imageLoader = new ImageLoader(context);
}
// Set List Data
public void setData(List<TestItemModel> data) {
clear();
if (data != null) {
for (TestItemModel appEntry : data) {
add(appEntry);
}
}
}
/**
* Populate new items in the list.
*/
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// create viewHolder
View view;
// Check Views
if (convertView == null) {
view = _inflater.inflate(R.layout.test_single_item, parent, false);
} else {
view = convertView;
}
// Create Items
TestItemModel item = getItem(position);
TextView itemLabel = (TextView) view.findViewById(R.id.text_view_label);
TextView itemId = (TextView) view
.findViewById(R.id.text_view_description);
// Create ImageViews
ImageView image = (ImageView) view.findViewById(R.id.image_id);
// Create Buttons
Button btn1 = (Button) view.findViewById(R.id.button_id_1);
Button btn2 = (Button) view.findViewById(R.id.button_id_2);
Button btn3 = (Button) view.findViewById(R.id.button_id_3);
// Create Resources
Resources resources = this.getContext().getResources();
// Create Listeners
_ol = new OnItemClickListener(position, item);
// Setup TextViews
itemLabel.setText(item.getName().toString());
itemId.setText(item.getName().toString());
// Setup Images
_imageLoader.DisplayImage(item.getBm(), image);
// TODO set image size based on the value of the image here
// image.getLayoutParams().height = 100;
// Setup Buttons
btn1.setOnClickListener(_ol);
btn1.setTag(1);
btn2.setOnClickListener(_ol);
btn2.setTag(2);
btn3.setOnClickListener(_ol);
btn3.setTag(3);
return view;
}
private class OnItemClickListener implements OnClickListener {
private int _position;
private TestItemModel _testItem;
public OnItemClickListener(int position, TestItemModel ti) {
_position = position;
_testItem = ti;
}
// TODO
// provide functionality for which button was clicked then pass the item
// to which it was clicked in.
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button_id_1:
// btn1 clicked
Toast.makeText(getContext(),
" Button1 clicked at positon" + v.getTag(),
Toast.LENGTH_SHORT).show();
break;
case R.id.button_id_2:
// btn2 clicked
Toast.makeText(getContext(),
" Button2 clicked at positon" + v.getTag(),
Toast.LENGTH_SHORT).show();
break;
case R.id.button_id_3:
Toast.makeText(getContext(),
" Button3 clicked at positon" + v.getTag(),
Toast.LENGTH_SHORT).show();
// btn 3 clciked
break;
}
// the view is the button, so you get get the tag it has set with
// v.getTag() to know what button is pressed.
Log.v("YOOO",
"Button Click at position " + _position + " " + v.getTag()
+ " Item ID = " + _testItem.getId());
}
}
}