My android app runs on a sdk 23 emulator just perfectly, but when I tried to run it on a tablet with sdk version 21, I got this exception: java.lang.RuntimeE
copy-constructor
security-certificate
firebase-crash-reporting
reflections
adhoc
ieee-11073
nsmutabledata
cirrus-ci
ask-sdk
blue-green-deployment
systemd-journald
embedded-browser
wiris
slony
visual-prolog
ambiguous
vuesax
portable-applications
angular4-router
og-meta
autogen
multi-database
lightningchart
value-type
metabase
column-alias
stdafx.h
sharepoint-rest-api
arduino-ultra-sonic
pugixml