Not able to save Binder state on Un-mounting

[Nikhilkhatter]

binder state has to be saved on unmounting ,
tried
<Binder
id={binderId}
active={this.state.active}
memory={true}
refreshStrategy={'previous'}
strategy={'mirror'}
onLeft={this.onLeft}
onUp={this.onUp}
onDown={this.onDown}
onRight={this.onRight}
onRightExit={this.onRight}
onEnter={this.onRight}>

{rows}

        </Binder>