android.widget.ListPopupWindow#show ( )源码实例Demo

private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup,
                         int width) {
    if (!mAttachedToWindow) {
        return;
    }
    int line = getLayout().getLineForOffset(getChipStart(currentChip));
    int bottom = calculateOffsetFromBottom(line);
    // Align the alternates popup with the left side of the View,
    // regardless of the position of the chip tapped.
    popup.setWidth(width);
    popup.setAnchorView(this);
    popup.setVerticalOffset(bottom);
    popup.setAdapter(createSingleAddressAdapter(currentChip));
    popup.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            unselectChip(currentChip);
            popup.dismiss();
        }
    });
    popup.show();
    ListView listView = popup.getListView();
    listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
    listView.setItemChecked(0, true);
}
 

private void showAddress(final DrawableRecipientChip currentChip,final ListPopupWindow popup,final int width)
{
if(!mAttachedToWindow)
  return;
final int line=getLayout().getLineForOffset(getChipStart(currentChip));
final int bottom=calculateOffsetFromBottom(line);
// Align the alternates popup with the left side of the View,
// regardless of the position of the chip tapped.
popup.setWidth(width);
popup.setAnchorView(this);
popup.setVerticalOffset(bottom);
popup.setAdapter(createSingleAddressAdapter(currentChip));
popup.setOnItemClickListener(new OnItemClickListener()
  {
    @Override
    public void onItemClick(final AdapterView<?> parent,final View view,final int position,final long id)
      {
      unselectChip(currentChip);
      popup.dismiss();
      }
  });
popup.show();
final ListView listView=popup.getListView();
listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
listView.setItemChecked(0,true);
}
 

protected void showListPopupWindow() {
  ArrayAdapter<String> adapter=
    new ArrayAdapter<>(this, android.R.layout.simple_list_item_1,
      ITEMS);
  final ListPopupWindow popup=new ListPopupWindow(this);

  popup.setAnchorView(popupAnchor);
  popup.setAdapter(adapter);
  popup.setOnItemClickListener(
    new AdapterView.OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view,
                              int position, long id) {
        popup.dismiss();
      }
    });
  popup.show();
}
 

@Override public boolean onLongClick(View v) {
	String[] versions = { "Camera", "Laptop", "Watch", "Smartphone",
			"Television" };
	final ListPopupWindow listPopupWindow = new ListPopupWindow(
			getActivity());
	listPopupWindow.setAdapter(new ArrayAdapter<String>(getActivity(),
			android.R.layout.simple_dropdown_item_1line, versions));
	listPopupWindow.setAnchorView(mListPopupButton);
	listPopupWindow.setWidth(300);
	listPopupWindow.setHeight(400);

	listPopupWindow.setModal(true);
	listPopupWindow.show();
	return false;
}
 

@Override
public boolean onPreferenceTreeClick(Preference preference) {
    View preferenceView = getListView().findViewHolderForAdapterPosition(preference.getOrder()).itemView;

    switch (preference.getKey()) {
        case Common.PREF_LOCATION_UPDATE_INTERVAL:
            ListPopupWindow listPopupWindow = new ListPopupWindow(getActivity());
            listPopupWindow.setAnchorView(preferenceView);
            listPopupWindow.setAdapter(new ArrayAdapter<>(getActivity(), android.support.design.R.layout.support_simple_spinner_dropdown_item, getResources().getStringArray(R.array.location_update_interval_summaries)));
            listPopupWindow.setContentWidth(getResources().getDimensionPixelSize(R.dimen.popup_window_width));
            listPopupWindow.setHorizontalOffset(getResources().getDimensionPixelSize(R.dimen.activity_horizontal_margin));
            listPopupWindow.setOnItemClickListener((parent, view, position, id) -> {
                Log.d("Selected", String.valueOf(position));
                prefs.edit().putInt(Common.PREF_LOCATION_UPDATE_INTERVAL,
                        getResources().getIntArray(R.array.location_update_interval_values)[position]).apply();
                listPopupWindow.dismiss();
                updatePreferenceSummaries();
                updateLocationTracker();
            });
            listPopupWindow.show();
            return true;
        case Common.PREF_RESET_HOST_MISMATCHES:
            prefs.edit().remove(Common.PREF_ALLOWED_HOST_MISMATCHES_KEY).apply();
            Toast.makeText(getActivity(), R.string.toast_ignored_ssl_mismatches_cleared, Toast.LENGTH_SHORT).show();
            updatePreferenceSummaries();
            return true;
        case Common.HELP_TRANSLATE:
            CustomTabsSession session = ((SettingsActivity) getActivity()).getCustomTabsSession();
            if (session != null) {
                @SuppressWarnings("deprecation") CustomTabsIntent intent = new CustomTabsIntent.Builder(session)
                        .setShowTitle(true)
                        .enableUrlBarHiding()
                        .setToolbarColor(getResources().getColor(R.color.primary))
                        .build();
                intent.launchUrl(getActivity(), Uri.parse(Common.CROWDIN_URL));
            }
            return true;
        default:
            return super.onPreferenceTreeClick(preference);
    }
}
 

private void showFilterPopup() {
    try {
        final ListPopupWindow popupWindow = new ListPopupWindow(context);
        List<Item> itemList = new ArrayList<>();
        itemList.add(new Item(context.getResources().getString(R.string.delete_bookmark), R.drawable.ic_delete));
        itemList.add(new Item(context.getResources().getString(R.string.rename_bookmark), R.drawable.ic_rename));
        itemList.add(new Item(context.getResources().getString(R.string.share_bookmark), R.drawable.ic_share));
        ListAdapter adapter = new ListPopupWindowAdapter(context, itemList);
        popupWindow.setAnchorView(delete);
        popupWindow.setAdapter(adapter);
        popupWindow.setOnDismissListener(popupWindow::dismiss);
        popupWindow.setOnItemClickListener((adapterView, view, i, l) -> {
            switch (i) {
                case 0:
                    popupWindow.dismiss();
                    deleteAlert();
                    break;
                case 1:
                    popupWindow.dismiss();
                    editAlert();
                    break;
                case 2:
                    popupWindow.dismiss();
                    try {
                        Intent share = new Intent(Intent.ACTION_SEND);
                        share.setType("text/plain");
                        share.putExtra(Intent.EXTRA_TEXT, bookmark.getUrl());
                        context.startActivity(Intent.createChooser(share, bookmark.getTitle()));
                    }catch (ActivityNotFoundException ignored){
                    }catch (Exception p){
                        p.printStackTrace();
                    }
                    break;
                default:
                    popupWindow.dismiss();
                    break;
            }

        });
        popupWindow.show();

    } catch (Exception e) {
        e.printStackTrace();
    }

}