Android Activities for Chat Application: Which flags or lauchmodes for Contact List (Roster) and Chat Conversation? -

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i'm making chat app using asmack , i'm using activity login, b contact list , c conversation activity(where chat). is:

a → b → c

on activity b i've set android:launchmode ="singletask" dosen't create new instance everytime press button on activity c , far works.

my goal create new instances of c , @ same time not destroy instances when go b. normal chats do. example:

a → b → c1

a → c1 → b → c2

and able call c1 , not create new instance. example:

a → c2 → b → c1

i've try using different intent flags , launchmodes , far failed. idea on how achieve this?


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