Java PopupWindow.isShowing方法代码示例

import android.widget.PopupWindow; //导入方法依赖的package包/类
private void showReactionPopup(View anchorView) {

        ReactionView layout = new ReactionView(MainActivity.this, this);

        int width = LinearLayout.LayoutParams.MATCH_PARENT;
        int height = LinearLayout.LayoutParams.WRAP_CONTENT;
        boolean focusable = true;
        popupWindow = new PopupWindow(layout, width, height, focusable);
        popupWindow.setOutsideTouchable(true);
        popupWindow.setFocusable(true);
        popupWindow.setTouchable(true);

        if (popupWindow != null && popupWindow.isShowing()) {
            popupWindow.dismiss();
        } else {
//            if (android.os.Build.VERSION.SDK_INT >= 24) {
//                int[] a = new int[2];
//                anchorView.getLocationInWindow(a);
//                popupWindow.showAtLocation(getWindow().getDecorView(), Gravity.NO_GRAVITY, 0, a[1] - (anchorView.getHeight() + DisplayUtil.dpToPx(8)));
//            } else {
                popupWindow.showAsDropDown(anchorView, 0, -DisplayUtil.dpToPx(anchorView.getHeight() + DisplayUtil.dpToPx(8)));
//            }


        }
    }
 

import android.widget.PopupWindow; //导入方法依赖的package包/类
private void showPreview(int keyIndex) {
        int oldKeyIndex = mCurrentKeyIndex;
        final PopupWindow previewPopup = mPreviewPopup;

        mCurrentKeyIndex = keyIndex;
        // Release the old key and press the new key
        final Key[] keys = mKeys;
        if (oldKeyIndex != mCurrentKeyIndex) {
            if (oldKeyIndex != NOT_A_KEY && keys.length > oldKeyIndex) {
                Key oldKey = keys[oldKeyIndex];
                oldKey.onReleased(mCurrentKeyIndex == NOT_A_KEY);
                invalidateKey(oldKeyIndex);
//                sendAccessibilityEventForUnicodeCharacter(AccessibilityEvent.TYPE_VIEW_HOVER_EXIT,oldKey.codes[0]);
            }
            if (mCurrentKeyIndex != NOT_A_KEY && keys.length > mCurrentKeyIndex) {
                Key newKey = keys[mCurrentKeyIndex];
                newKey.onPressed();
                invalidateKey(mCurrentKeyIndex);
//                sendAccessibilityEventForUnicodeCharacter(AccessibilityEvent.TYPE_VIEW_HOVER_ENTER,newKey.codes[0]);
            }
        }
        // If key changed and preview is on ...
        if (oldKeyIndex != mCurrentKeyIndex && mShowPreview) {
            mHandler.removeMessages(MSG_SHOW_PREVIEW);
            if (previewPopup.isShowing()) {
                if (keyIndex == NOT_A_KEY) {
                    mHandler.sendMessageDelayed(mHandler
                                    .obtainMessage(MSG_REMOVE_PREVIEW),
                            DELAY_AFTER_PREVIEW);
                }
            }
            if (keyIndex != NOT_A_KEY) {
                if (previewPopup.isShowing() && mPreviewText.getVisibility() == VISIBLE) {
                    // Show right away, if it's already visible and finger is moving around
                    showKey(keyIndex);
                } else {
                    mHandler.sendMessageDelayed(
                            mHandler.obtainMessage(MSG_SHOW_PREVIEW, keyIndex, 0),
                            DELAY_BEFORE_PREVIEW);
                }
            }
        }
    }
 

import android.widget.PopupWindow; //导入方法依赖的package包/类
private void showKey(final int keyIndex) {
    final PopupWindow previewPopup = mPreviewPopup;
    final Key[] keys = mKeys;
    if (keyIndex < 0 || keyIndex >= mKeys.length) return;
    Key key = keys[keyIndex];
    if (key.icon != null) {
        mPreviewText.setCompoundDrawables(null, null, null,
                key.iconPreview != null ? key.iconPreview : key.icon);
        mPreviewText.setText(null);
    } else {
        mPreviewText.setCompoundDrawables(null, null, null, null);
        mPreviewText.setText(getPreviewText(key));
        if (key.label.length() > 1 && key.codes.length < 2) {
            mPreviewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mKeyTextSize);
            mPreviewText.setTypeface(Typeface.DEFAULT_BOLD);
        } else {
            mPreviewText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mPreviewTextSizeLarge);
            mPreviewText.setTypeface(Typeface.DEFAULT);
        }
    }
    mPreviewText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
            MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
    int popupWidth = Math.max(mPreviewText.getMeasuredWidth(), key.width
            + mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight());
    final int popupHeight = mPreviewHeight;
    LayoutParams lp = mPreviewText.getLayoutParams();
    if (lp != null) {
        lp.width = popupWidth;
        lp.height = popupHeight;
    }
    if (!mPreviewCentered) {
        mPopupPreviewX = key.x - mPreviewText.getPaddingLeft() + mPaddingLeft;
        mPopupPreviewY = key.y - popupHeight + mPreviewOffset;
    } else {
        // TODO: Fix this if centering is brought back
        mPopupPreviewX = 160 - mPreviewText.getMeasuredWidth() / 2;
        mPopupPreviewY = -mPreviewText.getMeasuredHeight();
    }
    mHandler.removeMessages(MSG_REMOVE_PREVIEW);
    getLocationInWindow(mCoordinates);
    mCoordinates[0] += mMiniKeyboardOffsetX; // Offset may be zero
    mCoordinates[1] += mMiniKeyboardOffsetY; // Offset may be zero

    // Set the preview background state
    mPreviewText.getBackground().setState(
            key.popupResId != 0 ? LONG_PRESSABLE_STATE_SET : EMPTY_STATE_SET);
    mPopupPreviewX += mCoordinates[0];
    mPopupPreviewY += mCoordinates[1];

    // If the popup cannot be shown above the key, put it on the side
    getLocationOnScreen(mCoordinates);
    if (mPopupPreviewY + mCoordinates[1] < 0) {
        // If the key you're pressing is on the left side of the keyboard, show the popup on
        // the right, offset by enough to see at least one key to the left/right.
        if (key.x + key.width <= getWidth() / 2) {
            mPopupPreviewX += (int) (key.width * 2.5);
        } else {
            mPopupPreviewX -= (int) (key.width * 2.5);
        }
        mPopupPreviewY += popupHeight;
    }

    if (previewPopup.isShowing()) {
        previewPopup.update(mPopupPreviewX, mPopupPreviewY,
                popupWidth, popupHeight);
    } else {
        previewPopup.setWidth(popupWidth);
        previewPopup.setHeight(popupHeight);
        previewPopup.showAtLocation(mPopupParent, Gravity.NO_GRAVITY,
                mPopupPreviewX, mPopupPreviewY);
    }
    mPreviewText.setVisibility(VISIBLE);
}