[RPi] 安裝虛擬鍵盤

git clone https://github.com/jun-mizutani/matchbox-keyboard.git

sudo apt-get install libfakekey-dev libpng-dev libxft-dev autoconf libtool -y

cd matchbox-keyboard/

make

sudo make install
 
reference: http://www.mztn.org/rpi/rpi49.html