Android 如何从可绘制的片段在可展开的listview中设置图像
我有如下可扩展的listview代码,运行良好Android 如何从可绘制的片段在可展开的listview中设置图像,android,android-layout,android-listview,android-fragments,android-drawable,Android,Android Layout,Android Listview,Android Fragments,Android Drawable,我有如下可扩展的listview代码,运行良好 public class CategoriesFragment extends Fragment implements OnChildClickListener, OnGroupClickListener{ private static final String CAT_ID = "cat_id"; @Override public View onCreateView(LayoutInflater inflater, Vie
public class CategoriesFragment extends Fragment implements OnChildClickListener, OnGroupClickListener{
private static final String CAT_ID = "cat_id";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.categories, null);
ExpandableListView elv = (ExpandableListView) v.findViewById(R.id.expandableListView1);
elv.setOnGroupClickListener(this);
elv.setOnChildClickListener(this);
elv.setAdapter(new SavedTabsListAdapter());
return v;
}
public class SavedTabsListAdapter extends BaseExpandableListAdapter {
private String[] groups = { "Men", "Women", "Kids"};
private String[][] children = {
{ "Accessories", "Jackets", "Jeans", "Knitwear"},
{ "Dresses", "Lingerie", "Maternity clothes"},
{ "Accessories", "Baby", "Kid's Shoes"}
};
int[][] cat_images = new int[][] {
{R.drawable.bath_body_sales, R.drawable.bath_body_sales, R.drawable.bath_body_sales},
{R.drawable.beauty_sales, R.drawable.beauty_sales, R.drawable.beauty_sales},
{R.drawable.hair_products_sales, R.drawable.hair_products_sales, R.drawable.hair_products_sales}
};
@Override
public int getGroupCount() {
return groups.length;
}
@Override
public int getChildrenCount(int i) {
return children[i].length;
}
public int getImageCount(int j) {
return cat_images[j].length;
}
@Override
public Object getGroup(int i) {
return groups[i];
}
@Override
public Object getChild(int i, int i1) {
return children[i][i1];
}
public Object getImage(int j, int j1) {
return cat_images[j][j1];
}
@Override
public long getGroupId(int i) {
return i;
}
@Override
public long getChildId(int i, int i1) {
return i1;
}
public long getImageId(int j, int j1) {
return j1;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getGroupView(int i, boolean b, View view, ViewGroup viewGroup) {
TextView textView = new TextView(CategoriesFragment.this.getActivity());
textView.setText(getGroup(i).toString());
textView.setPadding(60, 15, 15, 15);
textView.setTextSize(20);
//textView.setTextColor(color.black);
textView.setBackgroundColor(color.darker_gray);
return textView;
}
@Override
public View getChildView(int i, int i1, boolean b, View view, ViewGroup viewGroup) {
TextView textView = new TextView(CategoriesFragment.this.getActivity());
//ImageView imageView = new ImageView(CategoriesFragment.this.getActivity());
//imageView.setImageResource(getImage(i, i1));
textView.setText(getChild(i, i1).toString());
textView.setPadding(70, 15, 15, 15);
textView.setTextSize(18);
return textView;
}
@Override
public boolean isChildSelectable(int i, int i1) {
return true;
}
}
Intent k;
@Override
public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition,
long id) {
return false;
}
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
return false;
}
}
现在我尝试从drawable将图像实现到儿童中,但没有成功。请帮帮我,我花了几个小时来修复它。运行此代码时会发生什么?你有例外吗?你能发日志吗?什么都没发生。。我想知道在哪里可以调用cat_images。我只是在代码中添加了int[][]cat_图像,没有其他内容。没有图像,效果很好。