This is a hepler I made for Manjaro & Arch to set up an Android build environment.
Exports to copy & pasted
export LANG=C
export PATH=~/bin:$PATH
export PATH=$PATH:/opt/android-sdk/tools/
export PATH=$PATH:/opt/android-sdk/platform-tools/
export USE_CCACHE=1
export CCACHE_DIR=~/.ccache
export JAVA_HOME=/usr/lib/jvm/java