java - Jackson JSON processor failure -

java - Jackson JSON processor failure -

i have method in class:

public myclass readmyobject(activity activity) { myclass myclass = null; seek { myclass = new myclass(); sharedpreferences prefs = activity.getapplicationcontext().getsharedpreferences("myclass", context.mode_private); string preferences = prefs.getstring("myclass", "0"); objectmapper mapper = new objectmapper(); byte[] bytetemp = mapper.readvalue(preferences, byte[].class); bytearrayinputstream in = new bytearrayinputstream(bytetemp); objectinputstream = new objectinputstream(in); myclass = (myclass) is.readobject(); } grab (jsonparseexception e) { } grab (ioexception e) { } grab (classnotfoundexception e) { } homecoming myclass; }

following exception getting

java.lang.noclassdeffounderror: failed resolution of: lcom/fasterxml/jackson/databind/objectmapper;

i use:

jackson-core-2.4.2.jar jackson-annotations-2.4.2.jar jackson-databind-2.4.2.jar

the target of app android 5.0. give thanks you!

java android json object jackson