public void show() { int height = buildDropDown(); int widthSpec = 0; int heightSpec = 0; boolean noInputMethod = isInputMethodNotNeeded(); // XXX mPopup.setAllowScrollingAnchorParent(!noInputMethod); if (mPopup.isShowing()) { if (mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT) { // The call to PopupWindow's update method below can accept -1 for any // value you do not want to update. widthSpec = -1; } else if (mDropDownWidth == ViewGroup.LayoutParams.WRAP_CONTENT) { widthSpec = mDropDownAnchorView.getWidth(); } else { widthSpec = mDropDownWidth; } if (mDropDownHeight == ViewGroup.LayoutParams.MATCH_PARENT) { // The call to PopupWindow's update method below can accept -1 for any // value you do not want to update. heightSpec = noInputMethod ? height : ViewGroup.LayoutParams.MATCH_PARENT; if (noInputMethod) { mPopup.setWindowLayoutMode( mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT ? ViewGroup.LayoutParams.MATCH_PARENT : 0, 0); } else { mPopup.setWindowLayoutMode( mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT ? ViewGroup.LayoutParams.MATCH_PARENT : 0, ViewGroup.LayoutParams.MATCH_PARENT); } } else if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { heightSpec = height; } else { heightSpec = mDropDownHeight; } mPopup.setOutsideTouchable(true); mPopup.update( mDropDownAnchorView, mDropDownHorizontalOffset, mDropDownVerticalOffset, widthSpec, heightSpec); } else { if (mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT) { widthSpec = ViewGroup.LayoutParams.MATCH_PARENT; } else { if (mDropDownWidth == ViewGroup.LayoutParams.WRAP_CONTENT) { mPopup.setWidth(mDropDownAnchorView.getWidth()); } else { mPopup.setWidth(mDropDownWidth); } } if (mDropDownHeight == ViewGroup.LayoutParams.MATCH_PARENT) { heightSpec = ViewGroup.LayoutParams.MATCH_PARENT; } else { if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { mPopup.setHeight(height); } else { mPopup.setHeight(mDropDownHeight); } } mPopup.setWindowLayoutMode(widthSpec, heightSpec); // XXX mPopup.setClipToScreenEnabled(true); // use outside touchable to dismiss drop down when touching outside of it, so // only set this if the dropdown is not always visible mPopup.setOutsideTouchable(true); mPopup.setTouchInterceptor(mTouchInterceptor); mPopup.showAsDropDown( mDropDownAnchorView, mDropDownHorizontalOffset, mDropDownVerticalOffset); mDropDownList.setSelection(ListView.INVALID_POSITION); if (!mModal || mDropDownList.isInTouchMode()) { clearListSelection(); } if (!mModal) { mHandler.post(mHideSelector); } } }