Cannot write to sdcard on android emulator: permission denied; storage state: mounted -


i trying use debug.startmethodtracing("tracefile"). got error "e/art: unable open trace file '/sdcard/localexp.trace': permission denied".

the following have tried:

  1. i did add "write_external_storage" androidmanifest.xml

2.i used "environment.getexternalstoragestate()". returned state "mounted".

3.the application works on real device got error on emulator.

i searched lot problem still can't solve it.


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