NetInfo: Cleaned up code and examples
Reviewed By: andreicoman11 Differential Revision: D2723578 fb-gh-sync-id: b7bb9ce69f24ff5dcf38409de92d57f53da003fa
This commit is contained in:
parent
e2c35dddba
commit
c9d796fc6a
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@ -1,158 +0,0 @@
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/**
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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const React = require('react-native');
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const {
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NetInfo, // requires android.permission.ACCESS_NETWORK_STATE
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Text,
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View
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} = React;
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const TouchableWithoutFeedback = require('TouchableWithoutFeedback');
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const ConnectionSubscription = React.createClass({
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getInitialState() {
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return {
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connectionHistory: [],
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleConnectionChange
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleConnectionChange
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);
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},
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_handleConnectionChange: function(netInfo) {
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var connectionHistory = this.state.connectionHistory.slice();
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connectionHistory.push(netInfo);
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this.setState({
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connectionHistory,
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});
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},
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render() {
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return (
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<Text>{JSON.stringify(this.state.connectionHistory)}</Text>
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);
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}
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});
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const ConnectionCurrent = React.createClass({
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getInitialState() {
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return {
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netInfo: null,
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleConnectionChange
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);
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NetInfo.fetch().done(
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(netInfo) => { this.setState({netInfo}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleConnectionChange
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);
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},
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_handleConnectionChange: function(netInfo) {
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this.setState({
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netInfo,
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});
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},
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render() {
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return (
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<Text>{JSON.stringify(this.state.netInfo)}</Text>
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);
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}
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});
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const IsConnected = React.createClass({
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getInitialState() {
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return {
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isConnected: null,
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};
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},
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componentDidMount: function() {
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NetInfo.isConnected.addEventListener(
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'change',
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this._handleConnectivityChange
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);
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NetInfo.isConnected.fetch().done(
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(isConnected) => { this.setState({isConnected}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.isConnected.removeEventListener(
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'change',
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this._handleConnectivityChange
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);
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},
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_handleConnectivityChange: function(isConnected) {
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this.setState({
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isConnected,
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});
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},
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render() {
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return (
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<Text>{this.state.isConnected ? 'Online' : 'Offline'}</Text>
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);
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}
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});
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const NetInfoExample = React.createClass({
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statics: {
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title: '<NetInfo>',
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description: 'Monitor network status.'
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},
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getInitialState() {
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return {
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isMetered: null,
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};
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},
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render() {
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return (
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<View >
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<Text> Is Connected: <IsConnected /> </Text>
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<Text> Current Connection Type: <ConnectionCurrent /> </Text>
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<Text> Connection History: <ConnectionSubscription /> </Text>
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<TouchableWithoutFeedback onPress={this.isConnectionMetered}>
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<View>
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<Text>Click to see if connection is metered: {this.state.isMetered}</Text>
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</View>
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</TouchableWithoutFeedback>
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</View>
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);
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},
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isConnectionMetered: function() {
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NetInfo.isConnectionMetered((isConnectionMetered) => {
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this.setState({
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isMetered: isConnectionMetered ? 'Is Metered' : 'Is Not Metered',
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});
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});
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}
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});
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module.exports = NetInfoExample;
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@ -1,147 +0,0 @@
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/**
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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var React = require('react-native');
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var {
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NetInfo,
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Text,
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View
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} = React;
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var ReachabilitySubscription = React.createClass({
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getInitialState() {
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return {
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reachabilityHistory: [],
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleReachabilityChange
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleReachabilityChange
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);
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},
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_handleReachabilityChange: function(reachability) {
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var reachabilityHistory = this.state.reachabilityHistory.slice();
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reachabilityHistory.push(reachability);
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this.setState({
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reachabilityHistory,
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});
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},
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render() {
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return (
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<View>
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<Text>{JSON.stringify(this.state.reachabilityHistory)}</Text>
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</View>
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);
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}
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});
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var ReachabilityCurrent = React.createClass({
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getInitialState() {
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return {
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reachability: null,
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleReachabilityChange
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);
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NetInfo.fetch().done(
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(reachability) => { this.setState({reachability}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleReachabilityChange
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);
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},
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_handleReachabilityChange: function(reachability) {
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this.setState({
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reachability,
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});
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},
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render() {
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return (
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<View>
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<Text>{this.state.reachability}</Text>
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</View>
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);
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}
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});
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var IsConnected = React.createClass({
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getInitialState() {
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return {
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isConnected: null,
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};
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},
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componentDidMount: function() {
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NetInfo.isConnected.addEventListener(
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'change',
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this._handleConnectivityChange
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);
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NetInfo.isConnected.fetch().done(
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(isConnected) => { this.setState({isConnected}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.isConnected.removeEventListener(
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'change',
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this._handleConnectivityChange
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);
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},
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_handleConnectivityChange: function(isConnected) {
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this.setState({
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isConnected,
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});
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},
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render() {
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return (
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<View>
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<Text>{this.state.isConnected ? 'Online' : 'Offline'}</Text>
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</View>
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);
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}
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});
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exports.title = 'NetInfo';
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exports.description = 'Monitor network status';
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exports.examples = [
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{
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title: 'NetInfo.isConnected',
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description: 'Asynchronously load and observe connectivity',
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render(): ReactElement { return <IsConnected />; }
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},
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{
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title: 'NetInfo.reachabilityIOS',
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description: 'Asynchronously load and observe iOS reachability',
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render(): ReactElement { return <ReachabilityCurrent />; }
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},
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{
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title: 'NetInfo.reachabilityIOS',
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description: 'Observed updates to iOS reachability',
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render(): ReactElement { return <ReachabilitySubscription />; }
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},
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];
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@ -0,0 +1,182 @@
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/**
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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const React = require('react-native');
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const {
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NetInfo,
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Text,
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View,
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TouchableWithoutFeedback,
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} = React;
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const ConnectionInfoSubscription = React.createClass({
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getInitialState() {
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return {
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connectionInfoHistory: [],
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleConnectionInfoChange
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleConnectionInfoChange
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);
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},
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_handleConnectionInfoChange: function(connectionInfo) {
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const connectionInfoHistory = this.state.connectionInfoHistory.slice();
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connectionInfoHistory.push(connectionInfo);
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this.setState({
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connectionInfoHistory,
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});
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},
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render() {
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return (
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<View>
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<Text>{JSON.stringify(this.state.connectionInfoHistory)}</Text>
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</View>
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);
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}
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});
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const ConnectionInfoCurrent = React.createClass({
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getInitialState() {
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return {
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connectionInfo: null,
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};
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},
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componentDidMount: function() {
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NetInfo.addEventListener(
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'change',
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this._handleConnectionInfoChange
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);
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NetInfo.fetch().done(
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(connectionInfo) => { this.setState({connectionInfo}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.removeEventListener(
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'change',
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this._handleConnectionInfoChange
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);
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},
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_handleConnectionInfoChange: function(connectionInfo) {
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this.setState({
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connectionInfo,
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});
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},
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render() {
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return (
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<View>
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<Text>{this.state.connectionInfo}</Text>
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</View>
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);
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}
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});
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const IsConnected = React.createClass({
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getInitialState() {
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return {
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isConnected: null,
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};
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},
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componentDidMount: function() {
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NetInfo.isConnected.addEventListener(
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'change',
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this._handleConnectivityChange
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);
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NetInfo.isConnected.fetch().done(
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(isConnected) => { this.setState({isConnected}); }
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);
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},
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componentWillUnmount: function() {
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NetInfo.isConnected.removeEventListener(
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'change',
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this._handleConnectivityChange
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);
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},
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_handleConnectivityChange: function(isConnected) {
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this.setState({
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isConnected,
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});
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},
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render() {
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return (
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<View>
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<Text>{this.state.isConnected ? 'Online' : 'Offline'}</Text>
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</View>
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);
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}
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});
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const IsConnectionExpensive = React.createClass({
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getInitialState() {
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return {
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isConnectionExpensive: null,
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};
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},
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_checkIfExpensive() {
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NetInfo.isConnectionExpensive(
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(isConnectionExpensive) => { this.setState({isConnectionExpensive}); }
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);
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},
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render() {
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return (
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<View>
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<TouchableWithoutFeedback onPress={this._checkIfExpensive}>
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<View>
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<Text>Click to see if connection is expensive:
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{this.state.isConnectionExpensive === true ? 'Expensive' :
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this.state.isConnectionExpensive === false ? 'Not expensive'
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: 'Unknown'}
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</Text>
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</View>
|
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</TouchableWithoutFeedback>
|
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</View>
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);
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}
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});
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exports.title = 'NetInfo';
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exports.description = 'Monitor network status';
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exports.examples = [
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{
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title: 'NetInfo.isConnected',
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description: 'Asynchronously load and observe connectivity',
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render(): ReactElement { return <IsConnected />; }
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},
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{
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title: 'NetInfo.update',
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description: 'Asynchronously load and observe connectionInfo',
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render(): ReactElement { return <ConnectionInfoCurrent />; }
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},
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{
|
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title: 'NetInfo.updateHistory',
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description: 'Observed updates to connectionInfo',
|
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render(): ReactElement { return <ConnectionInfoSubscription />; }
|
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},
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{
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platform: 'android',
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title: 'NetInfo.isConnectionExpensive (Android)',
|
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description: 'Asycnronously check isConnectionExpensive',
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render(): ReactElement { return <IsConnectionExpensive />; }
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},
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];
|
|
@ -43,7 +43,7 @@ var APIS = [
|
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require('./IntentAndroidExample.android'),
|
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require('./LayoutEventsExample'),
|
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require('./LayoutExample'),
|
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require('./NetInfoExample.android'),
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require('./NetInfoExample'),
|
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require('./PanResponderExample'),
|
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require('./PointerEventsExample'),
|
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require('./TimerExample'),
|
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|
|
|
@ -68,7 +68,7 @@ var APIS = [
|
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require('./CameraRollExample.ios'),
|
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require('./GeolocationExample'),
|
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require('./LayoutExample'),
|
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require('./NetInfoExample.ios'),
|
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require('./NetInfoExample'),
|
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require('./PanResponderExample'),
|
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require('./PointerEventsExample'),
|
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require('./PushNotificationIOSExample'),
|
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|
|
|
@ -11,13 +11,13 @@
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*/
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'use strict';
|
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|
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var Map = require('Map');
|
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var NativeModules = require('NativeModules');
|
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var Platform = require('Platform');
|
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var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
|
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var RCTNetInfo = NativeModules.NetInfo;
|
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const Map = require('Map');
|
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const NativeModules = require('NativeModules');
|
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const Platform = require('Platform');
|
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const RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
|
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const RCTNetInfo = NativeModules.NetInfo;
|
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|
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var DEVICE_CONNECTIVITY_EVENT = 'networkStatusDidChange';
|
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const DEVICE_CONNECTIVITY_EVENT = 'networkStatusDidChange';
|
||||
|
||||
type ChangeEventName = $Enum<{
|
||||
change: string;
|
||||
|
@ -54,24 +54,20 @@ type ConnectivityStateAndroid = $Enum<{
|
|||
}>;
|
||||
|
||||
|
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var _subscriptions = new Map();
|
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const _subscriptions = new Map();
|
||||
|
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let _isConnected;
|
||||
if (Platform.OS === 'ios') {
|
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var _isConnected = function(
|
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reachability: ReachabilityStateIOS
|
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): bool {
|
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return reachability !== 'none' &&
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reachability !== 'unknown';
|
||||
_isConnected = (reachability: ReachabilityStateIOS): bool => {
|
||||
return reachability !== 'none' && reachability !== 'unknown';
|
||||
};
|
||||
} else if (Platform.OS === 'android') {
|
||||
var _isConnected = function(
|
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connectionType: ConnectivityStateAndroid
|
||||
): bool {
|
||||
_isConnected = (connectionType: ConnectivityStateAndroid) : bool => {
|
||||
return connectionType !== 'NONE' && connectionType !== 'UNKNOWN';
|
||||
};
|
||||
}
|
||||
|
||||
var _isConnectedSubscriptions = new Map();
|
||||
const _isConnectedSubscriptions = new Map();
|
||||
|
||||
/**
|
||||
* NetInfo exposes info about online/offline status
|
||||
|
@ -128,15 +124,15 @@ var _isConnectedSubscriptions = new Map();
|
|||
*
|
||||
* The rest ConnectivityStates are hidden by the Android API, but can be used if necessary.
|
||||
*
|
||||
* ### isConnectionMetered
|
||||
* ### isConnectionExpensive
|
||||
*
|
||||
* Available on Android. Detect if the current active connection is metered or not. A network is
|
||||
* classified as metered when the user is sensitive to heavy data usage on that connection due to
|
||||
* monetary costs, data limitations or battery/performance issues.
|
||||
*
|
||||
* ```
|
||||
* NetInfo.isConnectionMetered((isConnectionMetered) => {
|
||||
* console.log('Connection is ' + (isConnectionMetered ? 'Metered' : 'Not Metered'));
|
||||
* NetInfo.isConnectionExpensive((isConnectionExpensive) => {
|
||||
* console.log('Connection is ' + (isConnectionExpensive ? 'Expensive' : 'Not Expensive'));
|
||||
* });
|
||||
* ```
|
||||
*
|
||||
|
@ -162,12 +158,12 @@ var _isConnectedSubscriptions = new Map();
|
|||
* );
|
||||
* ```
|
||||
*/
|
||||
var NetInfo = {
|
||||
addEventListener: function (
|
||||
const NetInfo = {
|
||||
addEventListener(
|
||||
eventName: ChangeEventName,
|
||||
handler: Function
|
||||
): void {
|
||||
var listener = RCTDeviceEventEmitter.addListener(
|
||||
const listener = RCTDeviceEventEmitter.addListener(
|
||||
DEVICE_CONNECTIVITY_EVENT,
|
||||
(appStateData) => {
|
||||
handler(appStateData.network_info);
|
||||
|
@ -176,11 +172,11 @@ var NetInfo = {
|
|||
_subscriptions.set(handler, listener);
|
||||
},
|
||||
|
||||
removeEventListener: function(
|
||||
removeEventListener(
|
||||
eventName: ChangeEventName,
|
||||
handler: Function
|
||||
): void {
|
||||
var listener = _subscriptions.get(handler);
|
||||
const listener = _subscriptions.get(handler);
|
||||
if (!listener) {
|
||||
return;
|
||||
}
|
||||
|
@ -188,7 +184,7 @@ var NetInfo = {
|
|||
_subscriptions.delete(handler);
|
||||
},
|
||||
|
||||
fetch: function(): Promise {
|
||||
fetch(): Promise {
|
||||
return new Promise((resolve, reject) => {
|
||||
RCTNetInfo.getCurrentConnectivity(
|
||||
function(resp) {
|
||||
|
@ -200,11 +196,11 @@ var NetInfo = {
|
|||
},
|
||||
|
||||
isConnected: {
|
||||
addEventListener: function (
|
||||
addEventListener(
|
||||
eventName: ChangeEventName,
|
||||
handler: Function
|
||||
): void {
|
||||
var listener = (connection) => {
|
||||
const listener = (connection) => {
|
||||
handler(_isConnected(connection));
|
||||
};
|
||||
_isConnectedSubscriptions.set(handler, listener);
|
||||
|
@ -214,11 +210,11 @@ var NetInfo = {
|
|||
);
|
||||
},
|
||||
|
||||
removeEventListener: function(
|
||||
removeEventListener(
|
||||
eventName: ChangeEventName,
|
||||
handler: Function
|
||||
): void {
|
||||
var listener = _isConnectedSubscriptions.get(handler);
|
||||
const listener = _isConnectedSubscriptions.get(handler);
|
||||
NetInfo.removeEventListener(
|
||||
eventName,
|
||||
listener
|
||||
|
@ -226,22 +222,23 @@ var NetInfo = {
|
|||
_isConnectedSubscriptions.delete(handler);
|
||||
},
|
||||
|
||||
fetch: function(): Promise {
|
||||
fetch(): Promise {
|
||||
return NetInfo.fetch().then(
|
||||
(connection) => _isConnected(connection)
|
||||
);
|
||||
},
|
||||
},
|
||||
|
||||
isConnectionMetered: ({}: {} | (callback:Function) => void),
|
||||
};
|
||||
|
||||
isConnectionExpensive(callback: (metered: ?boolean, error: string) => void): void {
|
||||
if (Platform.OS === 'android') {
|
||||
NetInfo.isConnectionMetered = function(callback): void {
|
||||
RCTNetInfo.isConnectionMetered((_isMetered) => {
|
||||
callback(_isMetered);
|
||||
});
|
||||
};
|
||||
} else {
|
||||
// TODO t9296080 consider polyfill and more features later on
|
||||
callback(null, "Unsupported");
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
module.exports = NetInfo;
|
||||
|
|
Loading…
Reference in New Issue