android - How to Clear all previous activities~? -

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activity flow in app.

welcomeactivity -> signinactivity -> signupactivity -> tabsactivity(this main) -> ...

activity stack

i want close previous activities (welcome, signin, signup) when start tabsactivity.

i try several method...

  1. tabsactivity. clear task on launch=true ? not work (maybe)

  2. tabsactivity. launch mode = singletask ? not work

but not want "save 3 activities , call each activity.finish()"

depending on situation, "available 2 or 4 activities not 3", or "i not know activities in activity stack".

i want clear previous activities, regadless of situation.

help me :)

sorry poor english... thanks.

try this,

clear activies. here have tutorial solve clear stack race. please go through it.

thanks


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