Start Activity clearing top in Android -

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i have following activities in stack:

a , b , c, d

i want relaunch b in order stack:

a , b'

where b' new b instance (not old receiving onnewintent callback, how can it?

by way i'm using 

intent.setflags(intent.flag_activity_clear_top);

when launching b activity way onnewintent called instead of start new instance

use android:nohistory=true in manifest file particular activity clear.hope might solve issue.


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