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Code Issues Releases Activity

Handle mobile back button

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This commit is contained in:
Laurent Cozic 2017-07-10 22:00:41 +01:00
parent 729235bf3c
commit e3e470683b
1 changed files with 26 additions and 9 deletions
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35
ReactNativeClient/root.js
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@ -1,11 +1,8 @@
import React, { Component } from 'react';
import { View, Button, TextInput } from 'react-native';
import { connect } from 'react-redux'
import { Provider } from 'react-redux'
import { BackHandler } from 'react-native';
import { connect, Provider } from 'react-redux'
import { createStore } from 'redux';
import { combineReducers } from 'redux';
import { StackNavigator } from 'react-navigation';
import { addNavigationHelpers } from 'react-navigation';
import { StackNavigator, addNavigationHelpers } from 'react-navigation';
import { shimInit } from 'lib/shim-init-react.js';
import { Log } from 'lib/log.js'
import { Logger } from 'lib/logger.js'
@ -221,7 +218,7 @@ const AppNavigator = StackNavigator({
let initializationState_ = 'waiting';
async function initialize(dispatch) {
async function initialize(dispatch, backButtonHandler) {
if (initializationState_ != 'waiting') return;
shimInit();
@ -292,6 +289,10 @@ async function initialize(dispatch) {
reg.logger().error('Initialization error:', error);
}
BackHandler.addEventListener('hardwareBackPress', () => {
return backButtonHandler();
});
initializationState_ = 'done';
reg.logger().info('Application initialized');
@ -300,7 +301,21 @@ async function initialize(dispatch) {
class AppComponent extends React.Component {
async componentDidMount() {
await initialize(this.props.dispatch);
await initialize(this.props.dispatch, this.backButtonHandler.bind(this));
}
backButtonHandler() {
if (this.props.showSideMenu) {
this.props.dispatch({ type: 'SIDE_MENU_CLOSE' });
return true;
}
if (this.props.historyCanGoBack) {
this.props.dispatch({ type: 'Navigation/BACK' });
return true;
}
return false;
}
sideMenu_change(isOpen) {
@ -335,7 +350,9 @@ defaultState.nav = AppNavigator.router.getStateForAction({
const mapStateToProps = (state) => {
return {
nav: state.nav
nav: state.nav,
historyCanGoBack: state.historyCanGoBack,
showSideMenu: state.showSideMenu,
};
};