BlackBerry 10 通过 DBBT 安装应用（.bar）

Android PopupMenu 自定义选中项背景 

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Field mPopup = popupMenu.getClass().getDeclaredField("mPopup");
mPopup.setAccessible(true);
MenuPopupHelper helper = (MenuPopupHelper) mPopup.get(popupMenu);
Class standardMenuPopup = Class.forName("androidx.appcompat.view.menu.StandardMenuPopup");
Field mPopupField = standardMenuPopup.getDeclaredField("mPopup");
mPopupField.setAccessible(true);
MenuPopupWindow menuPopupWindow = (MenuPopupWindow) mPopupField.get(helper.getPopup());
menuPopupWindow.getListView().setSelector(background);

Android PopupMenu 自定义宽度 

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Field mPopup = popupMenu.getClass().getDeclaredField("mPopup");
mPopup.setAccessible(true);
MenuPopupHelper helper = (MenuPopupHelper) mPopup.get(popupMenu);
Class standardMenuPopup = Class.forName("androidx.appcompat.view.menu.StandardMenuPopup");
Field mHasContentWidth = standardMenuPopup.getDeclaredField("mHasContentWidth");
mHasContentWidth.setAccessible(true);
mHasContentWidth.setBoolean(helper.getPopup(), true);
Field mContentWidth = standardMenuPopup.getDeclaredField("mContentWidth");
mContentWidth.setAccessible(true);
mContentWidth.setInt(helper.getPopup(), width);

Android PopupMenu 自定义显示位置 

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Field mPopup = popupMenu.getClass().getDeclaredField("mPopup");
mPopup.setAccessible(true);
MenuPopupHelper helper = (MenuPopupHelper) mPopup.get(popupMenu);
helper.show(x, y);

Android PopupMenu 强制显示图标 

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Field mPopup = popupMenu.getClass().getDeclaredField("mPopup");
mPopup.setAccessible(true);
MenuPopupHelper helper = (MenuPopupHelper) mPopup.get(popupMenu);
helper.setForceShowIcon(true);

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