How to lock android screen orientation -

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i'm making android video player.it has function user can watch video in orientation.i use code follow:

settings.system.putint(getcontentresolver(), settings.system.accelerometer_rotation, 1);

it works, when add function user can lock orientation, did it:

settings.system.putint(getcontentresolver(), settings.system.accelerometer_rotation, 0);

so met trouble. when i'm in landscape orientation , try lock orientation, screen turns portrait. can solve or tell me way it?

setrequestedorientation(activityinfo.screen_orientation_landscape);

or

setrequestedorientation(activityinfo.screen_orientation_portrait);

more info here: developing orientation-aware android applications


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