问题
What is this options menu button and how I can get rid of it?
See image
回答1:
Its the legacy button. Newer phones don't have a menu button but obviously older apps still want to use it. This is the soft button that is used instead of the old hard button
You can read more about it here
http://android-developers.blogspot.de/2012/01/say-goodbye-to-menu-button.html
回答2:
That is the default "more options" button.
来源：https://stackoverflow.com/questions/11080484/weird-options-menu-button-in-navigation-bar-android-4-0