I plan to create an android app that can take pictures and send them to a Raspberri pi 2.
Even if I can use a Raspberri pi 3 or connect a bluetooth usb or wifi, I prefer to have a communication via usb only.
What is the best option for a simple html, css and js based application like App inventor?
I tried some app supposed to communicate by OTG cable but not working, may be my phone (chinese one) is not compatible.
I was thinking connecting rj45 to android, but look complicated.
I know most people will use wifi but for special projects we may need to communicate via usb. I've finally found, for those who are looking, here are the steps:
ssh on the raspberry pi or use screen and then:
Make the ip static :
sudo nano /etc/network/interfaces
add:
allow-hotplug usb0 iface usb0 inet static address 192.168.42.75 netmask 255.255.255.0 network 192.168.42.0 broadcast 192.168.42.255 gateway 192.168.42.1
And/Or: ............// for me work with bothsudo nano /etc/dhcpcd.conf
add:
interface usb0 static ip_address=192.168.42.75/24 static routers=192.168.42.1 static domain_name_servers=192.168.42.1
Replace the IP address (change 75) with a free IP address between the range 2-254.
Reboot and connect the Pi to the Android phone.
On the phone activate USB Tethering :
Settings> Network & Internet > Tethering & Mobile Hotspot
Use SSH_CLIENT extension in App Inventor to send your commands:
https://github.com/aluis-rcastro/AI2_ANDROID_SSH_CLIENT_EXTENSION
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