Ask before deleting entry

components/cycle-day/symptoms/symptom-view.js

@@ -1,8 +1,9 @@
 import React, { Component } from 'react'
-import { BackHandler, View } from 'react-native'
+import { BackHandler, View, Alert } from 'react-native'
 import { saveSymptom } from '../../../db'
 import Header from '../../header/symptom-view'
 import { headerTitles } from '../../../i18n/en/labels'
+import { sharedDialogs } from '../../../i18n/en/cycle-day'
 
 export default class SymptomView extends Component {
   constructor(props) {
@@ -41,8 +42,20 @@ export default class SymptomView extends Component {
           date={this.date}
           goBack={this.handleBackButtonPressOnSymptomView.bind(this)}
           deleteEntry={() => {
-            this.deleteSymptomEntry()
-            this.globalBackhandler()
+            Alert.alert(
+              sharedDialogs.areYouSureTitle,
+              sharedDialogs.areYouSureToDelete,
+              [{
+                text: sharedDialogs.cancel,
+                style: 'cancel'
+              }, {
+                text: sharedDialogs.reallyDeleteData,
+                onPress: () => {
+                  this.deleteSymptomEntry()
+                  this.globalBackhandler()
+                }
+              }]
+            )
           }}
         />
         {this.renderContent()}