1.copy the sdk aar to the wsrecogdemo app's libs dir
2.From the grandle window,select wsrecogdemo->build-assembleDebug
You will got a apk in wsrecogdemo/build/outputs/debug/wsrecogdemo-debug.apk
copy this apk to your mobile to run it
or From the grandle window,select wsrecogdemo->install-assembleInstall
to install the apk to your moble then use attach to debug it.