Check if android.jar exists
Check if android.jar exists

and throw exception if not

dpr-odoo/Smack,u20024804/Smack,chuangWu/Smack,kkroid/OnechatSmack,andrey42/Smack,igniterealtime/Smack,qingsong-xu/Smack,lovely3x/Smack,dpr-odoo/Smack,mar-v-in/Smack,dpr-odoo/Smack,deeringc/Smack,mar-v-in/Smack,cjpx00008/Smack,qingsong-xu/Smack,annovanvliet/Smack,lovely3x/Smack,kkroid/OnechatSmack,andrey42/Smack,TTalkIM/Smack,hy9902/Smack,vito-c/Smack,lovely3x/Smack,cjpx00008/Smack,mar-v-in/Smack,ayne/Smack,igniterealtime/Smack,Tibo-lg/Smack,andrey42/Smack,deeringc/Smack,hy9902/Smack,Flowdalic/Smack,ishan1604/Smack,vanitasvitae/smack-omemo,kkroid/OnechatSmack,Flowdalic/Smack,TTalkIM/Smack,qingsong-xu/Smack,unisontech/Smack,vito-c/Smack,unisontech/Smack,ishan1604/Smack,chuangWu/Smack,vanitasvitae/smack-omemo,esl/Smack,Tibo-lg/Smack,ayne/Smack,ayne/Smack,vanitasvitae/Smack,ishan1604/Smack,deeringc/Smack,esl/Smack,vanitasvitae/Smack,unisontech/Smack,xuIcream/Smack,u20024804/Smack,magnetsystems/message-smack,annovanvliet/Smack,magnetsystems/message-smack,igorexax3mal/Smack,igorexax3mal/Smack,annovanvliet/Smack,igniterealtime/Smack,esl/Smack,cjpx00008/Smack,Tibo-lg/Smack,xuIcream/Smack,igorexax3mal/Smack,TTalkIM/Smack,vanitasvitae/smack-omemo,opg7371/Smack,Flowdalic/Smack,u20024804/Smack,opg7371/Smack,vanitasvitae/Smack,magnetsystems/message-smack,opg7371/Smack,xuIcream/Smack,hy9902/Smack,chuangWu/Smack