android - remove power off soft button from power menu -

i apologize if question has been asked before , been answered have been searching weeks not answer question/problem. looking way disable power menu comes after power button long pressed. have tried capture longkeypress event not intercept power menu. trying achieve can turn off phone app developing not directly power off menu.

so guys if there direction or short codes disable power menu or prevent menu coming or remove turn off , airplane mode soft buttons menus.

i can capture normal press of power button , perform operation aim @ point prevent phone switching off able switch off app.

thanks lot guys.

you can't, that's os level functionality. you'd need custom rom so.