fcitx-pinyin 1:4.2.9.1-1ubuntu1 (arm64 binary) in ubuntu xenial

 Fcitx is a input method framework with extension support, which provides
 an interface for entering characters of different scripts in applications
 using a variety of mapping systems.
 .
 It offers a pleasant and modern experience, with intuitive graphical
 configuration tools and customizable skins and mapping tables. It is
 highly modularized and extensible, with GTK+ 2/3 and Qt4 IM Modules, support
 for UIs based on Fbterm, pure Xlib, GTK+, or KDE, and a developer-friendly
 API.
 .
 This package provides the classic Pinyin input method, which features
 very short responding time by loading the whole dict into RAM during
 activation.