public class FoodListAdapter extends ArrayAdapter<ListFoodItem> { private ListView listView;
private AsyncImageLoader asyncImageLoader; public FoodListAdapter(Activity activity, List<ListFoodItem> foodList, ListView listView) {
super(activity, 0, foodList);
this.listView = listView;
asyncImageLoader = new AsyncImageLoader();
}
public View getView(int position, View convertView, ViewGroup parent) {
Activity activity = (Activity) getContext(); View rowView = convertView;
ViewCache viewCache;
if (rowView == null) {
LayoutInflater inflater = activity.getLayoutInflater();
rowView = inflater.inflate(R.layout.layout_eatingwhat_list_row, null);
viewCache = new ViewCache(rowView);
rowView.setTag(viewCache);
} else {
viewCache = (ViewCache) rowView.getTag();
}
ListFoodItem listFoodItem = getItem(position);
//下面是动态加载每一行的一个图片
String imageUrl = listFoodItem.getImageUrl();
ImageView imageView = viewCache.getImageView();
imageView.setTag(imageUrl);
Drawable cachedImage = asyncImageLoader.loadDrawable(imageUrl, new ImageCallback() {
public void imageLoaded(Drawable imageDrawable, String imageUrl) {
ImageView imageViewByTag = (ImageView) listView.findViewWithTag(imageUrl);
if (imageViewByTag != null) {
if(imageDrawable!=null){
imageViewByTag.setImageDrawable(imageDrawable);
}else{
imageViewByTag.setImageResource(R.drawable.eat_info_img_02_no);
}
}
}
});
if (cachedImage == null) {
imageView.setImageResource(R.drawable.eatwhat_list_common);
} else {
imageView.setImageDrawable(cachedImage);
}
TextView titleView = viewCache.getTitleView();
titleView.setText(listFoodItem.getTitleText()); TextView contentView = viewCache.getContentView();
contentView.setText(listFoodItem.getContentText()); return rowView;
} } 我传进来多少位的数组 就显示双倍的 尴尬 求解
private AsyncImageLoader asyncImageLoader; public FoodListAdapter(Activity activity, List<ListFoodItem> foodList, ListView listView) {
super(activity, 0, foodList);
this.listView = listView;
asyncImageLoader = new AsyncImageLoader();
}
public View getView(int position, View convertView, ViewGroup parent) {
Activity activity = (Activity) getContext(); View rowView = convertView;
ViewCache viewCache;
if (rowView == null) {
LayoutInflater inflater = activity.getLayoutInflater();
rowView = inflater.inflate(R.layout.layout_eatingwhat_list_row, null);
viewCache = new ViewCache(rowView);
rowView.setTag(viewCache);
} else {
viewCache = (ViewCache) rowView.getTag();
}
ListFoodItem listFoodItem = getItem(position);
//下面是动态加载每一行的一个图片
String imageUrl = listFoodItem.getImageUrl();
ImageView imageView = viewCache.getImageView();
imageView.setTag(imageUrl);
Drawable cachedImage = asyncImageLoader.loadDrawable(imageUrl, new ImageCallback() {
public void imageLoaded(Drawable imageDrawable, String imageUrl) {
ImageView imageViewByTag = (ImageView) listView.findViewWithTag(imageUrl);
if (imageViewByTag != null) {
if(imageDrawable!=null){
imageViewByTag.setImageDrawable(imageDrawable);
}else{
imageViewByTag.setImageResource(R.drawable.eat_info_img_02_no);
}
}
}
});
if (cachedImage == null) {
imageView.setImageResource(R.drawable.eatwhat_list_common);
} else {
imageView.setImageDrawable(cachedImage);
}
TextView titleView = viewCache.getTitleView();
titleView.setText(listFoodItem.getTitleText()); TextView contentView = viewCache.getContentView();
contentView.setText(listFoodItem.getContentText()); return rowView;
} } 我传进来多少位的数组 就显示双倍的 尴尬 求解
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foodList.size();
}