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

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);
}
 

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);
        }
    });
}
 

private void initFromAttributes(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    final TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.EditSpinner, defStyleAttr, defStyleRes);

    mPopup = new ListPopupWindow(context, attrs);
    mPopup.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
    mPopup.setPromptPosition(ListPopupWindow.POSITION_PROMPT_BELOW);

    Drawable selector = a.getDrawable(R.styleable.EditSpinner_dropDownSelector);
    if (selector != null) {
        mPopup.setListSelector(selector);
    }

    int dropDownAnimStyleResId = a.getResourceId(R.styleable.EditSpinner_dropDownAnimStyle, -1);
    if (dropDownAnimStyleResId > 0) {
        setDropDownAnimationStyle(dropDownAnimStyleResId);
    }

    mDropDownDrawable = a.getDrawable(R.styleable.EditSpinner_dropDownDrawable);
    int dropDownDrawableSpacing = a.getDimensionPixelOffset(R.styleable.EditSpinner_dropDownDrawableSpacing, 0);

    if (mDropDownDrawable != null) {
        int dropDownDrawableWidth = a.getDimensionPixelOffset(R.styleable.EditSpinner_dropDownDrawableWidth, -1);
        int dropDownDrawableHeight = a.getDimensionPixelOffset(R.styleable.EditSpinner_dropDownDrawableHeight, -1);
        setDropDownDrawable(mDropDownDrawable, dropDownDrawableWidth, dropDownDrawableHeight);
        setDropDownDrawableSpacing(dropDownDrawableSpacing);
    }

    // Get the anchor's id now, but the view won't be ready, so wait to actually get the
    // view and store it in mDropDownAnchorView lazily in getDropDownAnchorView later.
    // Defaults to NO_ID, in which case the getDropDownAnchorView method will simply return
    // this TextView, as a default anchoring point.
    mDropDownAnchorId = a.getResourceId(R.styleable.EditSpinner_dropDownAnchor,
            View.NO_ID);


    // For dropdown width, the developer can specify a specific width, or MATCH_PARENT
    // (for full screen width) or WRAP_CONTENT (to match the width of the anchored view).
    mPopup.setWidth(a.getLayoutDimension(R.styleable.EditSpinner_dropDownWidth,
            ViewGroup.LayoutParams.WRAP_CONTENT));
    mPopup.setHeight(a.getLayoutDimension(R.styleable.EditSpinner_dropDownHeight,
            ViewGroup.LayoutParams.WRAP_CONTENT));

    mPopup.setOnItemClickListener(new DropDownItemClickListener());
    mPopup.setOnDismissListener(new PopupWindow.OnDismissListener() {
        @Override
        public void onDismiss() {
            mLastDismissTime = SystemClock.elapsedRealtime();
            if (mOnDismissListener != null) {
                mOnDismissListener.onDismiss();
            }
        }
    });
    a.recycle();

    mIsEditable = getKeyListener() != null;

    setFocusable(true);
    addTextChangedListener(new MyWatcher());

    Log.d(TAG, "mIsEditable = " + mIsEditable);
}
 

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();
    }

}
 

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();

}