Adding a JAR into the Android project's /libs folder -


there tons of questions this, none gives clear solution problem (is difficult?)

i'm trying add jar android project. since r17, google says should add jars /libs folder, , andriod tools take care of rest.

i have included big library, , works good, except of 1 class, decided try , make own jar.

i created new java project, , added simple test class. exported jar , manually copied jar /libs folder. cleaned , rebuilt android app without problems, @ runtime, referencing test class, following errors:

java.lang.noclassdeffounderror: mytestpackage.test

when include source of jar project directly, works (of course).

so doing wrong?

since r17, google says should add jars /libs folder, , andriod tools take care of rest.

correct.

so doing wrong?

if had guess, in addition copying jar libs/, also did "add build path" in eclipse (per other answer). not not necessary, reports indicate doing somehow suppresses packaging jar libs/ apk. if indeed did this, undo manual build path change, , see if helps.


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