下面是我的baseadapter类,但它无法正常工作:
private static class MyBaseAdapter extends BaseAdapter {
private Context context;
private LayoutInflater inflater;
private MyBaseAdapter(Context context, FlipViewController controller) {
inflater = LayoutInflater.from(context);
this.context = context;
}
@Override
public int getCount() {
return Globals.list_album.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View layout = convertView;
if (convertView == null )
{
if (Globals.list_album.get(position).no_of_images == 1) {
layout = inflater.inflate(R.layout.single_image_adapter, null);
}
else if(Globals.list_album.get(position).no_of_images == 2) {
layout = inflater.inflate(R.layout.two_image_adapter, null);
}
else if(Globals.list_album.get(position).no_of_images == 3) {
layout = inflater.inflate(R.layout.three_image_adapter, null);
}
else if(Globals.list_album.get(position).no_of_images == 4) {
layout = inflater.inflate(R.layout.four_image_adapter, null);
}
else if(Globals.list_album.get(position).no_of_images == 5) {
layout = inflater.inflate(R.layout.five_image_adapter, null);
}
}
return layout;
}
}
我想根据Globals.list_album中的图像编号将布局加载到每个位置。但它不能正常工作。它对no_of_images = 5和2不起作用,因为我在列表中有这样的值。目前我对no_of_images的值是4,3,1,2和5.所以它应该显示布局four_image_adapter,three_image_adapter,one_image_adapter,two_image_adapter和five_image_adapter。但它显示了four_image_adapter,three_image_adapter,one_image_adapter,four_image_adapter和three_image_adapter。 所有布局都根据图像数量具有图像视图。 有人请告诉我我该做什么吗?
答案 0 :(得分:9)
由于您需要针对不同行的不同布局,请使用以下方法
getViewTypeCount() - 返回有多少行类型的信息。
getItemViewType(int position) - 返回基于位置应使用的布局类型的信息
使用getItemViewType,您可以定义需要使用的布局。
喜欢这个
public static final int TYPE_1 = 1;
public static final int TYPE_2 = 2;
public int getItemTypeCount(){
return 5;
}
public int getItemType(int position){
// Your if else code and return type ( TYPE_1 to TYPE_5 )
}
public View getView(int position, View convertView, ViewGroup parent){
// Return the right kind of view based on getItemType(position)
int type = getItemType(position);
if(type == TYPE_1){
// create (or reuse) TYPE_1 view
} else if() {
}......
return myView;
}
样品
http://android.amberfog.com/?p=296
http://www.survivingwithandroid.com/2014/08/android-listview-with-multiple-row.html