Java PopupWindow.update方法代码示例

import android.widget.PopupWindow; //导入方法依赖的package包/类
public OverflowHelper(Context ctx) {
    mContext = ctx;
    mNormalColor = mContext.getResources().getColor(R.color.white);
    mDisabledColor = mContext.getResources().getColor(R.color.text_disabled);
    mPopupLayout = (LinearLayout) LayoutInflater.from(mContext).inflate(R.layout.comm_popup_menu, null, true);
    mListView = (PopupMenuListView) mPopupLayout.findViewById(R.id.comm_popup_list);
    mAdapter = new OverflowAdapter(this, ctx);
    mListView.setAdapter(mAdapter);
    mListView.setOnKeyListener(mOnKeyListener);
    mPopupWindow = new PopupWindow(mPopupLayout, -2, -2, true);
    mPopupWindow.setContentView(mPopupLayout);
    mPopupWindow.setOutsideTouchable(true);
    mPopupWindow.setFocusable(true);
    mPopupWindow.setWidth(414);
    mPopupWindow.getContentView().setOnTouchListener(mOnTouchListener);
    mPopupWindow.update();
}
 

import android.widget.PopupWindow; //导入方法依赖的package包/类
/**
 * 把一个View控件添加到PopupWindow上并且显示
 *
 * @param activity
 */
public void showPopupWindow(Activity activity) {
    popupWindow = new PopupWindow(mMenuView,    // 添加到popupWindow
            ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    // ☆ 注意： 必须要设置背景，播放动画有一个前提 就是窗体必须有背景
    popupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
    popupWindow.showAtLocation(activity.getWindow().getDecorView(), Gravity.CENTER | Gravity.BOTTOM, 0, 0);
    popupWindow.setAnimationStyle(android.R.style.Animation_InputMethod);   // 设置窗口显示的动画效果
    popupWindow.setFocusable(false);                                        // 点击其他地方隐藏键盘 popupWindow
    popupWindow.update();
}
 

import android.widget.PopupWindow; //导入方法依赖的package包/类
public SearchPopupView(Context context, SearchPresenter searchPresenter) {
    View popupView = LayoutInflater.from(context).inflate(R.layout.search_popupview, null);
    ButterKnife.bind(this,popupView);
    popupView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
    popupWindow = new PopupWindow(popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, true);
    popupWindow.setAnimationStyle(android.R.style.Animation_Dialog);
    popupWindow.setBackgroundDrawable(new ColorDrawable());
    popupWindow.setFocusable(true);
    popupWindow.setOutsideTouchable(true);
    popupWindow.update();
    this.searchPresenter = searchPresenter;
}
 

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);
}