react native modal keyboad open i want once backbutton pressed to close the keyboard and the modal at the same time

[trakitrak]

<Modal

  useNativeDriver={true} 
  useNativeDriverForBackdrop={true}
 onBackButtonPress={()=>{   
  Keyboard.dismiss()
  setshowsearch(false)

}}

isVisible={showsearch}

animationIn={'slideInLeft'}
onBackdropPress={()=>{
Keyboard.dismiss()
setshowsearch(false)
}}

statusBarTranslucent={true} coverScreen={true}
style={{margin: 0,
justifyContent:'flex-start'
}}>