我正在按照 Ubuntu 应用程序开发页面上的说明进行操作：http : //developer.ubuntu.com/get-started/gomobile/
命令 1：
sudo add-apt-repository ppa:canonical-qt5-edgers/qt5-beta1 && sudo apt-get update && sudo apt-get install qt5-meta-full && echo 'export PATH=/opt/qt5/bin:$PATH' >> ~/.bashrc
输出 1：
...
Fetched 745 kB in 3s (204 kB/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
qt5-meta-full is already the newest version.
The following packages were automatically installed and are no longer required:
libtiff4 libtiffxx0c2 linux-headers-3.5.0-17 linux-headers-3.5.0-17-generic
Use 'apt-get autoremove' to remove them. …