React Native, TouchableOpacity alert get nothing

when i click on the button to open the toggle it works fine but when i want to click to display the alert i get nothing. any idea

<View style={[styles.container, this.props.style]}><TouchableWithoutFeedback><Animated.View style={[styles.button, styles.menu, Epargne]}><Text style={{ color: '#fff' }} >  Epargne  </Text></Animated.View></TouchableWithoutFeedback><TouchableWithoutFeedback><Animated.View style={[styles.button, styles.menu, Essentials]}><Text style={{ color: '#fff', paddingBottom: 15, paddingLeft: 5 }} >  Essentials  </Text></Animated.View></TouchableWithoutFeedback><TouchableWithoutFeedback onPress={() => Alert.alert('saveIconn')}><Animated.View style={[styles.button, styles.menu, Plaisirs]}><Text style={{ color: '#fff', padding: 11 }} >  Petits Plaisirs  </Text></Animated.View></TouchableWithoutFeedback><TouchableWithoutFeedback onPress={this.toggleMenu}><Animated.View style={[rotation]}><Image                        style={{ width: 90, height: 110, padding: 50, paddingLeft: 80 }}                        source={require('../assets/budget.jpg')}                    /><Text style={{ color: '#000', padding: 11 }} > Gerer mon Budget </Text></Animated.View></TouchableWithoutFeedback></View>