OpenConnect for Android

This is a VPN client for Android, based on the Linux build of OpenConnect.

Much of the Java code was derived from OpenVPN for Android by Arne Schwabe.
Original OpenConnect for android can be find via OpenConnect by Kevin Cernekee

Official releases are posted in the Google Play

Building from source

Prerequisites

On the host side you'll need to install:

• Android SDK in your $PATH (both platform-tools/ and tools/ directories)
• $ANDROID_HOME pointed at the Android SDK directory
• javac 1.8 and a recent version of Apache ant in your $PATH
• Use the Android SDK Manager to install API 19
• NDK r16b, nominally unzipped under /opt/android-ndk-r16b
• Host-side gcc, make, etc. (Red Hat "Development Tools" group or Debian build-essential)
• git, autoconf, automake, and libtool

Compiling the external dependencies

Building OpenConnect from source requires compiling several .jar files and native binaries from external packages. These commands will build the binary components and copy them into the appropriate library and asset directories:

git clone https://github.com/cernekee/ics-openconnect
cd ics-openconnect
git submodule init
git submodule update
git submodule foreach git pull
make -C external

This procedure only runs on a Linux PC.