React Native OnChangetext cambia el tamaño de la imagen de fondo

const d = Dimensions.get("window")

backgroundImage: {
  position: 'absolute'
  flex: 1,
  backgroundColor:'rgba(0,0,0,0.45)',
  width: d.width,
  height: d.height
}

<ImageBackground 
source={require('../../assets/signinBG.jpg')} 
style={styles.backgroundImage}
resizeMode="repeat" // or contain or cover
>
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