自定义列表视图中的弹出菜单
2022-09-04 23:49:36
我想实现的目标:
我有一个自定义的 ListView 适配器。对于每个Listitem,我想添加一个弹出菜单,与当前Google Play应用程序中的ListView非常相似。
这就是我尝试过的:我的大部分代码都来自这个Android示例\android-19\ui\ActionBarCompat-ListPopupMenu
CustomFragmentPageAdapter.java:
// create new fragment
mCustomFragment = CustomFragment.newInstance(position);
CustomFragment.java
public class CustomFragment extends ListFragment implements View.OnClickListener{
...
@Override
public void onClick(final View v) {
v.post(new Runnable() {
@Override
public void run() {
showPopupMenu(v);
}
});
}
private void showPopupMenu(View view) {
PopupMenu popup = new PopupMenu(getActivity(), view);
popup.getMenuInflater().inflate(R.menu.popup_menu, popup.getMenu());
popup.show();
}
CustomArrayAdapter:
public class CustomAdapter extends ArrayAdapter<WatchListPlayerItem> {
...
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final int pos = position;
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
final View rowView = inflater.inflate(R.layout.watch_list_row, parent, false);
View popupButton = rowView.findViewById(R.id.imgPopUp);
popupButton.setTag(getItem(position));
popupButton.setOnClickListener(mFragment);
return rowView;
}
}
popup_menu.xml:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/install"
android:title="Install" />
<item
android:id="@+id/addtowishlist"
android:title="Add to wishlist" />
</menu>
日志输出:
java.lang.RuntimeException: Failed to resolve attribute at index 6
at android.content.res.TypedArray.getLayoutDimension(TypedArray.java:603)
at android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:6423)
at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:6591)
at android.widget.FrameLayout$LayoutParams.<init>(FrameLayout.java:735)
...
该错误在我的CustomFragment中的popup.show()上抛出。
这个错误显然让我发疯,任何帮助解决这个问题都非常感谢!