android.widget.ListPopupWindow Java Examples

private void init() {

        loading = new AppLoading(this, false, R.string.loading);
        tv_type.setText(Tdp.blockType + "");
        tv_type.setOnClickListener(this);
        btn_search.setOnClickListener(this);
        tv_tag.setVisibility(View.VISIBLE);
        et_hash.setHint("请输入交易Hash");

        mPopup = new ListPopupWindow(this);
        ArrayAdapter adapter = new ArrayAdapter(this, R.layout.layout_block_popup_item, Tdp.blockTypes);
        mPopup.setAdapter(adapter);
        mPopup.setWidth(LinearLayout.LayoutParams.WRAP_CONTENT);
        mPopup.setHeight(LinearLayout.LayoutParams.WRAP_CONTENT);
        mPopup.setModal(true);
        mPopup.setOnItemClickListener(this);

        tv_to.setOnClickListener(this);
        tv_from.setOnClickListener(this);
        transactionHash = "";
        if (getIntent() != null && getIntent().hasExtra("transactionHash")) {
            transactionHash = getIntent().getStringExtra("transactionHash");
            searchRequest(transactionHash);
        }
    }
 

/**
 * Disable hiding on outside tap so that tapping on a text input field associated with the popup
 * will not hide the popup.
 */
public void disableHideOnOutsideTap() {
    // HACK: The ListPopupWindow's mPopup automatically dismisses on an outside tap. There's
    // no way to override it or prevent it, except reaching into ListPopupWindow's hidden
    // API. This allows the C++ controller to completely control showing/hiding the popup.
    // See http://crbug.com/400601
    try {
        Method setForceIgnoreOutsideTouch = ListPopupWindow.class.getMethod(
                "setForceIgnoreOutsideTouch", new Class[] { boolean.class });
        setForceIgnoreOutsideTouch.invoke(this, new Object[] { true });
    } catch (Exception e) {
        Log.e("AutofillPopup",
                "ListPopupWindow.setForceIgnoreOutsideTouch not found",
                e);
    }
}
 

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);
}
 

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);
}
 

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();
}
 

public void showDropDown() {
    if (mPopup.getAnchorView() == null) {
        if (mDropDownAnchorId != View.NO_ID) {
            mPopup.setAnchorView(getRootView().findViewById(mDropDownAnchorId));
        } else {
            mPopup.setAnchorView(this);
        }
    }
    if (!isPopupShowing()) {
        // Make sure the list does not obscure the IME when shown for the first time.
        mPopup.setInputMethodMode(ListPopupWindow.INPUT_METHOD_NEEDED);
    }

    requestFocus();
    mPopup.show();
    mPopup.getListView().setOverScrollMode(View.OVER_SCROLL_ALWAYS);

    if (mOnShowListener != null) {
        mOnShowListener.onShow();
    }
}
 

private void setupOverflowMenu() {
    mPopupWindow = new ListPopupWindow(this);
    String[] mPopupWindowItems = new String[]{
            "%ROW_FOR_USER_PROFILE%",
            getResources().getString(R.string.action_settings),
            getResources().getString(R.string.action_log_out)
    };
    mAdapter = new PopupAdapter(mPopupWindowItems, menuClickListeners);

    findViewById(R.id.landing_layout).post(() -> {
        mPopupWindow.setModal(true);
        mPopupWindow.setAnchorView(mOverflowButton);
        mPopupWindow.setAdapter(mAdapter);
        mPopupWindow.setWidth(dpToPx(getResources().getInteger(R.integer.popup_menu_main_width)));
        mPopupWindow.setHeight(ListPopupWindow.WRAP_CONTENT);
        mPopupWindow.setVerticalOffset(-mOverflowButton.getLayoutParams().height);

        if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mPopupWindow.setDropDownGravity(Gravity.START);
        } else {
            mPopupWindow.setDropDownGravity(Gravity.END);
        }
    });
}
 

AppMenuDragHelper(Activity activity, AppMenu appMenu, int itemRowHeight) {
    mActivity = activity;
    mAppMenu = appMenu;
    mItemRowHeight = itemRowHeight;
    Resources res = mActivity.getResources();
    mAutoScrollFullVelocity = res.getDimensionPixelSize(R.dimen.auto_scroll_full_velocity);
    // If user is dragging and the popup ListView is too big to display at once,
    // mDragScrolling animator scrolls mPopup.getListView() automatically depending on
    // the user's touch position.
    mDragScrolling.setTimeListener(new TimeAnimator.TimeListener() {
        @Override
        public void onTimeUpdate(TimeAnimator animation, long totalTime, long deltaTime) {
            ListPopupWindow popup = mAppMenu.getPopup();
            if (popup == null || popup.getListView() == null) return;

            // We keep both mDragScrollOffset and mDragScrollOffsetRounded because
            // the actual scrolling is by the rounded value but at the same time we also
            // want to keep the precise scroll value in float.
            mDragScrollOffset += (deltaTime * 0.001f) * mDragScrollingVelocity;
            int diff = Math.round(mDragScrollOffset - mDragScrollOffsetRounded);
            mDragScrollOffsetRounded += diff;
            popup.getListView().smoothScrollBy(diff, 0);

            // Force touch move event to highlight items correctly for the scrolled position.
            if (!Float.isNaN(mLastTouchX) && !Float.isNaN(mLastTouchY)) {
                menuItemAction(Math.round(mLastTouchX), Math.round(mLastTouchY),
                        ITEM_ACTION_HIGHLIGHT);
            }
        }
    });

    // We use medium timeout, the average of tap and long press timeouts. This is consistent
    // with ListPopupWindow#ForwardingListener implementation.
    mTapTimeout =
            (ViewConfiguration.getTapTimeout() + ViewConfiguration.getLongPressTimeout()) / 2;
    mScaledTouchSlop = ViewConfiguration.get(activity).getScaledTouchSlop();
}
 

AppMenuDragHelper(Activity activity, AppMenu appMenu, int itemRowHeight) {
    mActivity = activity;
    mAppMenu = appMenu;
    mItemRowHeight = itemRowHeight;
    Resources res = mActivity.getResources();
    mAutoScrollFullVelocity = res.getDimensionPixelSize(R.dimen.auto_scroll_full_velocity);
    // If user is dragging and the popup ListView is too big to display at once,
    // mDragScrolling animator scrolls mPopup.getListView() automatically depending on
    // the user's touch position.
    mDragScrolling.setTimeListener(new TimeAnimator.TimeListener() {
        @Override
        public void onTimeUpdate(TimeAnimator animation, long totalTime, long deltaTime) {
            ListPopupWindow popup = mAppMenu.getPopup();
            if (popup == null || popup.getListView() == null) return;

            // We keep both mDragScrollOffset and mDragScrollOffsetRounded because
            // the actual scrolling is by the rounded value but at the same time we also
            // want to keep the precise scroll value in float.
            mDragScrollOffset += (deltaTime * 0.001f) * mDragScrollingVelocity;
            int diff = Math.round(mDragScrollOffset - mDragScrollOffsetRounded);
            mDragScrollOffsetRounded += diff;
            popup.getListView().smoothScrollBy(diff, 0);

            // Force touch move event to highlight items correctly for the scrolled position.
            if (!Float.isNaN(mLastTouchX) && !Float.isNaN(mLastTouchY)) {
                menuItemAction(Math.round(mLastTouchX), Math.round(mLastTouchY),
                        ITEM_ACTION_HIGHLIGHT);
            }
        }
    });

    // We use medium timeout, the average of tap and long press timeouts. This is consistent
    // with ListPopupWindow#ForwardingListener implementation.
    mTapTimeout =
            (ViewConfiguration.getTapTimeout() + ViewConfiguration.getLongPressTimeout()) / 2;
    mScaledTouchSlop = ViewConfiguration.get(activity).getScaledTouchSlop();
}
 

private void createPopupFolderList() {
    mFolderPopupWindow = new ListPopupWindow(this);
    mFolderPopupWindow.setAdapter(mFolderAdapter);
    mFolderPopupWindow.setContentWidth(ListPopupWindow.MATCH_PARENT);
    mFolderPopupWindow.setWidth(ListPopupWindow.MATCH_PARENT);
    mFolderPopupWindow.setHeight(ListPopupWindow.MATCH_PARENT);
    mFolderPopupWindow.setAnchorView(toolbar);
    mFolderPopupWindow.setModal(true);
    mFolderPopupWindow.setAnimationStyle(R.style.popwindow_anim_style);
    mFolderPopupWindow.setOnItemClickListener(this);
}
 

private void initPopupWindow() {
    popupWindow = new ListPopupWindow(mContext) {

        @Override
        public void show() {
            super.show();
            mRightImageTopView.setClickable(true);
            mRightIv.startAnimation(mAnimation);
        }

        @Override
        public void dismiss() {
            super.dismiss();
        }

    };
    popupWindow.setOnItemClickListener(this);
    popupWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
    popupWindow.setPromptPosition(ListPopupWindow.POSITION_PROMPT_BELOW);
    popupWindow.setWidth(ViewGroup.LayoutParams.WRAP_CONTENT);
    popupWindow.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);
    popupWindow.setAnchorView(editText);
    popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
        @Override
        public void onDismiss() {
            popupWindowHideTime = System.currentTimeMillis();
            mRightIv.startAnimation(mResetAnimation);
        }
    });
}
 

AppMenuDragHelper(Activity activity, AppMenu appMenu, int itemRowHeight) {
    mActivity = activity;
    mAppMenu = appMenu;
    mItemRowHeight = itemRowHeight;
    Resources res = mActivity.getResources();
    mAutoScrollFullVelocity = res.getDimensionPixelSize(R.dimen.auto_scroll_full_velocity);
    // If user is dragging and the popup ListView is too big to display at once,
    // mDragScrolling animator scrolls mPopup.getListView() automatically depending on
    // the user's touch position.
    mDragScrolling.setTimeListener(new TimeAnimator.TimeListener() {
        @Override
        public void onTimeUpdate(TimeAnimator animation, long totalTime, long deltaTime) {
            ListPopupWindow popup = mAppMenu.getPopup();
            if (popup == null || popup.getListView() == null) return;

            // We keep both mDragScrollOffset and mDragScrollOffsetRounded because
            // the actual scrolling is by the rounded value but at the same time we also
            // want to keep the precise scroll value in float.
            mDragScrollOffset += (deltaTime * 0.001f) * mDragScrollingVelocity;
            int diff = Math.round(mDragScrollOffset - mDragScrollOffsetRounded);
            mDragScrollOffsetRounded += diff;
            popup.getListView().smoothScrollBy(diff, 0);

            // Force touch move event to highlight items correctly for the scrolled position.
            if (!Float.isNaN(mLastTouchX) && !Float.isNaN(mLastTouchY)) {
                menuItemAction(Math.round(mLastTouchX), Math.round(mLastTouchY),
                        ITEM_ACTION_HIGHLIGHT);
            }
        }
    });

    // We use medium timeout, the average of tap and long press timeouts. This is consistent
    // with ListPopupWindow#ForwardingListener implementation.
    mTapTimeout =
            (ViewConfiguration.getTapTimeout() + ViewConfiguration.getLongPressTimeout()) / 2;
    mScaledTouchSlop = ViewConfiguration.get(activity).getScaledTouchSlop();
}
 

private void setPopupOffset(
        ListPopupWindow popup, int screenRotation, Rect appRect, Rect padding) {
    int[] anchorLocation = new int[2];
    popup.getAnchorView().getLocationInWindow(anchorLocation);
    int anchorHeight = popup.getAnchorView().getHeight();

    // If we have a hardware menu button, locate the app menu closer to the estimated
    // hardware menu button location.
    if (mIsByPermanentButton) {
        int horizontalOffset = -anchorLocation[0];
        switch (screenRotation) {
            case Surface.ROTATION_0:
            case Surface.ROTATION_180:
                horizontalOffset += (appRect.width() - mPopup.getWidth()) / 2;
                break;
            case Surface.ROTATION_90:
                horizontalOffset += appRect.width() - mPopup.getWidth();
                break;
            case Surface.ROTATION_270:
                break;
            default:
                assert false;
                break;
        }
        popup.setHorizontalOffset(horizontalOffset);
        // The menu is displayed above the anchored view, so shift the menu up by the bottom
        // padding of the background.
        popup.setVerticalOffset(-padding.bottom);
    } else {
        // The menu is displayed over and below the anchored view, so shift the menu up by the
        // height of the anchor view.
        popup.setVerticalOffset(-mNegativeSoftwareVerticalOffset - anchorHeight);
    }
}
 

private void createPopupWindow() {
	popupWindow = new ListPopupWindow(getPopupThemedContext());
	popupWindow.setAnchorView(imageButton);
	popupWindow.setOnItemClickListener(new AdapterView.OnItemClickListener() {
		@Override
		public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
			if (callback != null) {
				callback.onItemChange(parent, getAdapterPosition() / 2, getItems().get(getAdapterPosition() / 2 + 1).getItems().get(i));
				popupWindow.dismiss();
			}
		}
	});
	imageButton.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
		@Override
		public void onGlobalLayout() {
			popupWindow.setVerticalOffset(-imageButton.getMeasuredHeight() + DROPDOWN_OFFSET_Y_FIX);
			imageButton.getViewTreeObserver().removeOnGlobalLayoutListener(this);
		}
	});
}
 

private void setPopupOffset(
        ListPopupWindow popup, int screenRotation, Rect appRect, Rect padding) {
    int[] anchorLocation = new int[2];
    popup.getAnchorView().getLocationInWindow(anchorLocation);
    int anchorHeight = popup.getAnchorView().getHeight();

    // If we have a hardware menu button, locate the app menu closer to the estimated
    // hardware menu button location.
    if (mIsByPermanentButton) {
        int horizontalOffset = -anchorLocation[0];
        switch (screenRotation) {
            case Surface.ROTATION_0:
            case Surface.ROTATION_180:
                horizontalOffset += (appRect.width() - mPopup.getWidth()) / 2;
                break;
            case Surface.ROTATION_90:
                horizontalOffset += appRect.width() - mPopup.getWidth();
                break;
            case Surface.ROTATION_270:
                break;
            default:
                assert false;
                break;
        }
        popup.setHorizontalOffset(horizontalOffset);
        // The menu is displayed above the anchored view, so shift the menu up by the bottom
        // padding of the background.
        popup.setVerticalOffset(-padding.bottom);
    } else {
        // The menu is displayed over and below the anchored view, so shift the menu up by the
        // height of the anchor view.
        popup.setVerticalOffset(-mNegativeSoftwareVerticalOffset - anchorHeight);
    }
}
 

private void initView() {
    tv_type.setOnClickListener(this);
    btn_search.setOnClickListener(this);

    mPopup = new ListPopupWindow(this);
    ArrayAdapter adapter = new ArrayAdapter(this, R.layout.layout_block_popup_item, Tdp.blockTypes);
    mPopup.setAdapter(adapter);
    mPopup.setWidth(LinearLayout.LayoutParams.WRAP_CONTENT);
    mPopup.setHeight(LinearLayout.LayoutParams.WRAP_CONTENT);
    mPopup.setModal(true);
    mPopup.setOnItemClickListener(this);
}
 

public TextChipsEditView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setChipDimensions(context, attrs);
        if (sSelectedTextColor == -1) {
            sSelectedTextColor = context.getResources().getColor(android.R.color.white);
        }

        DisplayMetrics metrics = getResources().getDisplayMetrics();
        bitmapSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, metrics);

        setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
//        setOnItemClickListener(this);
        setCustomSelectionActionModeCallback(this);
        mHandler = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                if (msg.what == DISMISS) {
                    ((ListPopupWindow) msg.obj).dismiss();
                    return;
                }
                super.handleMessage(msg);
            }
        };
        mTextWatcher = new RecipientTextWatcher();
        addTextChangedListener(mTextWatcher);
        setOnEditorActionListener(this);

        setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context));
    }
 

private void initAutoCompletePanel() {
    _autoCompletePanel = new ListPopupWindow(_context);
    _autoCompletePanel.setAnchorView(_textField);
    _adapter = new MyAdapter(_context, android.R.layout.simple_list_item_1);
    _autoCompletePanel.setAdapter(_adapter);
    //_autoCompletePanel.setDropDownGravity(Gravity.BOTTOM | Gravity.LEFT);
    _filter = _adapter.getFilter();
    setHeight(300);

    TypedArray array = _context.getTheme().obtainStyledAttributes(new int[]{
            android.R.attr.colorBackground,
            android.R.attr.textColorPrimary,
    });
    int backgroundColor = array.getColor(0, 0xFF00FF);
    int textColor = array.getColor(1, 0xFF00FF);
    array.recycle();
    gd = new GradientDrawable();
    gd.setColor(backgroundColor);
    gd.setCornerRadius(4);
    gd.setStroke(1, textColor);
    setTextColor(textColor);
    _autoCompletePanel.setBackgroundDrawable(gd);
    _autoCompletePanel.setOnItemClickListener(new OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> p1, View p2, int p3, long p4) {
            // TODO: Implement this method
            _textField.replaceText(_textField.getCaretPosition() - _constraint.length(), _constraint.length(), ((TextView) p2).getText().toString());
            _adapter.abort();
            dismiss();
        }
    });

}
 

protected void performCompletion(View selectedView, int position, long id) {
    if (isPopupShowing()) {
        Object selectedItem;
        if (position < 0) {
            selectedItem = mPopup.getSelectedItem();
        } else {
            selectedItem = mAdapter.getItem(position);
        }
        if (selectedItem == null) {
            if (DEBUG) {
                Log.w(TAG, "performCompletion: no selected item");
            }
            return;
        }

        selectItem(selectedItem);

        if (mItemClickListener != null) {
            final ListPopupWindow list = mPopup;

            if (selectedView == null || position < 0) {
                selectedView = list.getSelectedView();
                position = list.getSelectedItemPosition();
                id = list.getSelectedItemId();
            }
            mItemClickListener.onItemClick(list.getListView(), selectedView, position, id);
        }
    }

    if (mDropDownDismissedOnCompletion) {
        dismissDropDown();
    }
}
 

private void createPopWindow(){
    popupWindow = new ListPopupWindow(getContext());
    popupAdapter = new SelectorAdapter();
    popupWindow.setAnchorView(parent.getChildAt(0));
    popupWindow.setAdapter(popupAdapter);
    popupWindow.setWidth(WindowManager.LayoutParams.MATCH_PARENT);
    popupWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
    //获取焦点
    popupWindow.setModal(true);

    popupWindow.setOnItemClickListener(this);
    popupWindow.setOnDismissListener(this);
}
 

@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;
}
 

private void initView() {
    loading = new AppLoading(this, false, R.string.loading);
    mPopup = new ListPopupWindow(this);
    ArrayAdapter adapter = new ArrayAdapter(this, R.layout.layout_block_popup_item, Tdp.blockTypes);
    mPopup.setAdapter(adapter);
    mPopup.setWidth(LinearLayout.LayoutParams.WRAP_CONTENT);
    mPopup.setHeight(LinearLayout.LayoutParams.WRAP_CONTENT);
    mPopup.setModal(true);
    mPopup.setOnItemClickListener(this);

    refreshLayout.setOnRefreshListener(this);
    LinearLayoutManager mLayoutManager = new LinearLayoutManager(recyclerView.getContext());
    mAdapter = new TransactionAdapter(this, Tdp.blockType);
    tv_type = mAdapter.getTypeTextView();
    mAdapter.setOnClickListener(this);
    recyclerView.setLayoutManager(mLayoutManager);
    recyclerView.setAdapter(mAdapter);
    recyclerView.setOnLoadMoreListener(mLayoutManager, mAdapter, new LoadMoreRecycleView.OnLoadMoreListener() {
        @Override
        public void loadMore() {
            if (mAdapter.isHasMore()) {
                loadData();
            }
        }
    });

}
 

private void showAlternates(final DrawableRecipientChip currentChip,final ListPopupWindow alternatesPopup,final int width)
{
new AsyncTask<Void,Void,ListAdapter>()
  {
    @Override
    protected ListAdapter doInBackground(final Void... params)
      {
      return createAlternatesAdapter(currentChip);
      }

    @Override
    protected void onPostExecute(final ListAdapter result)
      {
      if(!mAttachedToWindow)
        return;
      final int line=getLayout().getLineForOffset(getChipStart(currentChip));
      int bottom;
      if(line==getLineCount()-1)
        bottom=0;
      else bottom=-(int)((mChipHeight+2*mLineSpacingExtra)*Math.abs(getLineCount()-1-line));
      // Align the alternates popup with the left side of the View,
      // regardless of the position of the chip tapped.
      alternatesPopup.setWidth(width);
      alternatesPopup.setAnchorView(RecipientEditTextView.this);
      alternatesPopup.setVerticalOffset(bottom);
      alternatesPopup.setAdapter(result);
      alternatesPopup.setOnItemClickListener(mAlternatesListener);
      // Clear the checked item.
      mCheckedItem=-1;
      alternatesPopup.show();
      final ListView listView=alternatesPopup.getListView();
      listView.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
      // Checked item would be -1 if the adapter has not
      // loaded the view that should be checked yet. The
      // variable will be set correctly when onCheckedItemChanged
      // is called in a separate thread.
      if(mCheckedItem!=-1)
        {
        listView.setItemChecked(mCheckedItem,true);
        mCheckedItem=-1;
        }
      }
  }.execute((Void[])null);
}
 

public static OnTouchListener createDragToOpenListener(Object listPopupWindow, View src) {
    return ((ListPopupWindow) listPopupWindow).createDragToOpenListener(src);
}
 

public static OnTouchListener createDragToOpenListener(Object listPopupWindow, View src) {
    return ((ListPopupWindow) listPopupWindow).createDragToOpenListener(src);
}
 

public static OnTouchListener createDragToOpenListener(Object listPopupWindow, View src) {
    return ((ListPopupWindow) listPopupWindow).createDragToOpenListener(src);
}
 

private void init(Context context, AttributeSet attrs) {
    Resources resources = getResources();
    TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.NiceSpinner);
    int defaultPadding = resources.getDimensionPixelSize(R.dimen.one_and_a_half_grid_unit);

    setGravity(Gravity.CENTER_VERTICAL | Gravity.START);
    setPadding(resources.getDimensionPixelSize(R.dimen.three_grid_unit), defaultPadding, defaultPadding,
            defaultPadding);
    setClickable(true);
    backgroundSelector = typedArray.getResourceId(R.styleable.NiceSpinner_backgroundSelector, R.drawable.selector);
    setBackgroundResource(backgroundSelector);
    textColor = typedArray.getColor(R.styleable.NiceSpinner_textTint, getDefaultTextColor(context));
    setTextColor(textColor);
    popupWindow = new ListPopupWindow(context);
    popupWindow.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            // The selected item is not displayed within the list, so when the selected position is equal to
            // the one of the currently selected item it gets shifted to the next item.
            if (position >= selectedIndex && position < adapter.getCount()) {
                position++;
            }
            selectedIndex = position;

            if (onSpinnerItemSelectedListener != null) {
                onSpinnerItemSelectedListener.onItemSelected(NiceSpinner.this, view, position, id);
            }

            if (onItemClickListener != null) {
                onItemClickListener.onItemClick(parent, view, position, id);
            }

            if (onItemSelectedListener != null) {
                onItemSelectedListener.onItemSelected(parent, view, position, id);
            }

            adapter.setSelectedIndex(position);

            setTextInternal(adapter.getItemInDataset(position));

            dismissDropDown();
        }
    });

    popupWindow.setModal(true);

    popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
        @Override
        public void onDismiss() {
            if (!isArrowHidden) {
                animateArrow(false);
            }
        }
    });

    isArrowHidden = typedArray.getBoolean(R.styleable.NiceSpinner_hideArrow, false);
    arrowDrawableTint = typedArray.getColor(R.styleable.NiceSpinner_arrowTint, getResources().getColor(android.R.color.black));
    arrowDrawableResId = typedArray.getResourceId(R.styleable.NiceSpinner_arrowDrawable, R.drawable.arrow);
    dropDownListPaddingBottom =
            typedArray.getDimensionPixelSize(R.styleable.NiceSpinner_dropDownListPaddingBottom, 0);
    horizontalAlignment = PopUpTextAlignment.fromId(
            typedArray.getInt(R.styleable.NiceSpinner_popupTextAlignment, PopUpTextAlignment.CENTER.ordinal())
    );

    CharSequence[] entries = typedArray.getTextArray(R.styleable.NiceSpinner_entries);
    if (entries != null) {
        attachDataSource(Arrays.asList(entries));
    }

    typedArray.recycle();

    measureDisplayHeight();

}
 

public ListPopupWindowAssert(ListPopupWindow actual) {
  super(actual, ListPopupWindowAssert.class);
}
 

/**
 * @return ListPopupWindow that displays all the menu options.
 */
ListPopupWindow getPopup() {
    return mPopup;
}
 

private void setPopupOffset(
        ListPopupWindow popup, int screenRotation, Rect appRect, Rect padding) {
    popup.getAnchorView().getLocationInWindow(mTempLocation);
    int anchorViewX = mTempLocation[0];
    int anchorHeight = popup.getAnchorView().getHeight();

    // If we have a hardware menu button, locate the app menu closer to the estimated
    // hardware menu button location.
    if (mIsByPermanentButton) {
        int horizontalOffset = -anchorViewX;
        switch (screenRotation) {
            case Surface.ROTATION_0:
            case Surface.ROTATION_180:
                horizontalOffset += (appRect.width() - mPopup.getWidth()) / 2;
                break;
            case Surface.ROTATION_90:
                horizontalOffset += appRect.width() - mPopup.getWidth();
                break;
            case Surface.ROTATION_270:
                break;
            default:
                assert false;
                break;
        }
        popup.setHorizontalOffset(horizontalOffset);
        // The menu is displayed above the anchored view, so shift the menu up by the bottom
        // padding of the background.
        popup.setVerticalOffset(-padding.bottom);
    } else {
        boolean anchorAtBottom = isAnchorAtBottom(mPopup.getAnchorView(), appRect);
        if (anchorAtBottom && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            // When the anchor view is at the bottom of the screen on Android N+, the menu
            // must be shifted down by the height of the anchor view in order to be displayed
            // over and above it. The framework's PopupWindow positioning changed between
            // N and M. Pre-N, setting a positive offset here shifts the menu up rather than
            // down.
            // See crbug.com/705348.
            popup.setVerticalOffset(-mNegativeSoftwareVerticalOffset + anchorHeight);
        } else {
            // Shift the menu by the height of the anchor view so that it is displayed
            // over the anchor view.
            popup.setVerticalOffset(-mNegativeSoftwareVerticalOffset - anchorHeight);
        }
    }
}