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  1. <!DOCTYPE html>
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  4.     <title>NetworkReachabilityManager Class Reference</title>
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  53.       NetworkReachabilityManager Class Reference
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  290.             </ul>
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  291.           </li>
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  293.             <a class="nav-group-name-link" href="../Protocols.html">Protocols</a>
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  296.                 <a class="nav-group-task-link" href="../Protocols/AlamofireExtended.html">AlamofireExtended</a>
    297. 

  297.               </li>
    298. 

  298.               <li class="nav-group-task">
    299. 

  299.                 <a class="nav-group-task-link" href="../Protocols/CachedResponseHandler.html">CachedResponseHandler</a>
    300. 

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    330. 

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    333. 

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    336. 

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    338. 

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    345. 

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    350. 

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    354. 

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    356. 

  356.                 <a class="nav-group-task-link" href="../Protocols/UploadableConvertible.html">UploadableConvertible</a>
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    365. 

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    367. 

  367.                 <a class="nav-group-task-link" href="../Structs/DataResponse.html">DataResponse</a>
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    370. 

  370.                 <a class="nav-group-task-link" href="../Structs/DownloadResponse.html">DownloadResponse</a>
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  371.               </li>
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    373. 

  373.                 <a class="nav-group-task-link" href="../Structs/Empty.html">Empty</a>
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    376. 

  376.                 <a class="nav-group-task-link" href="../Structs/GoogleXSSIPreprocessor.html">GoogleXSSIPreprocessor</a>
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    382. 

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  385.                 <a class="nav-group-task-link" href="../Structs/HTTPMethod.html">HTTPMethod</a>
    386. 

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    388. 

  388.                 <a class="nav-group-task-link" href="../Structs/JSONEncoding.html">JSONEncoding</a>
    389. 

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    391. 

  391.                 <a class="nav-group-task-link" href="../Structs/PassthroughPreprocessor.html">PassthroughPreprocessor</a>
    392. 

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  394.                 <a class="nav-group-task-link" href="../Structs/Redirector.html">Redirector</a>
    395. 

  395.               </li>
    396. 

  396.               <li class="nav-group-task">
    397. 

  397.                 <a class="nav-group-task-link" href="../Structs/Redirector/Behavior.html">– Behavior</a>
    398. 

  398.               </li>
    399. 

  399.               <li class="nav-group-task">
    400. 

  400.                 <a class="nav-group-task-link" href="../Structs/ResponseCacher.html">ResponseCacher</a>
    401. 

  401.               </li>
    402. 

  402.               <li class="nav-group-task">
    403. 

  403.                 <a class="nav-group-task-link" href="../Structs/ResponseCacher/Behavior.html">– Behavior</a>
    404. 

  404.               </li>
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  405.               <li class="nav-group-task">
    406. 

  406.                 <a class="nav-group-task-link" href="../Structs/URLEncoding.html">URLEncoding</a>
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  408.               <li class="nav-group-task">
    409. 

  409.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/Destination.html">– Destination</a>
    410. 

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    411. 

  411.               <li class="nav-group-task">
    412. 

  412.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/ArrayEncoding.html">– ArrayEncoding</a>
    413. 

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    414. 

  414.               <li class="nav-group-task">
    415. 

  415.                 <a class="nav-group-task-link" href="../Structs/URLEncoding/BoolEncoding.html">– BoolEncoding</a>
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    417. 

  417.             </ul>
    418. 

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    419. 

  419.           <li class="nav-group-name">
    420. 

  420.             <a class="nav-group-name-link" href="../Typealiases.html">Type Aliases</a>
    421. 

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    422. 

  422.               <li class="nav-group-task">
    423. 

  423.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire14AFDataResponsea">AFDataResponse</a>
    424. 

  424.               </li>
    425. 

  425.               <li class="nav-group-task">
    426. 

  426.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire18AFDownloadResponsea">AFDownloadResponse</a>
    427. 

  427.               </li>
    428. 

  428.               <li class="nav-group-task">
    429. 

  429.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire8AFResulta">AFResult</a>
    430. 

  430.               </li>
    431. 

  431.               <li class="nav-group-task">
    432. 

  432.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire12AdaptHandlera">AdaptHandler</a>
    433. 

  433.               </li>
    434. 

  434.               <li class="nav-group-task">
    435. 

  435.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire10Parametersa">Parameters</a>
    436. 

  436.               </li>
    437. 

  437.               <li class="nav-group-task">
    438. 

  438.                 <a class="nav-group-task-link" href="../Typealiases.html#/s:9Alamofire12RetryHandlera">RetryHandler</a>
    439. 

  439.               </li>
    440. 

  440.             </ul>
    441. 

  441.           </li>
    442. 

  442.         </ul>
    443. 

  443.       </nav>
    444. 

  444.       <article class="main-content">
    445. 

  445. 

  446.         <section class="section">
    447. 

  447.           <div class="section-content top-matter">
    448. 

  448.             <h1>NetworkReachabilityManager</h1>
    449. 

  449.               <div class="declaration">
    450. 

  450.                 <div class="language">
    451. 

  451.                   <pre class="highlight swift"><code><span class="kd">open</span> <span class="kd">class</span> <span class="kt">NetworkReachabilityManager</span></code></pre>
    452. 

  452. 

  453.                 </div>
    454. 

  454.               </div>
    455. 

  455.             <p>The <code>NetworkReachabilityManager</code> class listens for reachability changes of hosts and addresses for both cellular and
    456. 

  456. WiFi network interfaces.</p>
    457. 

  457. 

  458. <p>Reachability can be used to determine background information about why a network operation failed, or to retry
    459. 

  459. network requests when a connection is established. It should not be used to prevent a user from initiating a network
    460. 

  460. request, as it&rsquo;s possible that an initial request may be required to establish reachability.</p>
    461. 

  461. 

  462.           </div>
    463. 

  463.         </section>
    464. 

  464. 

  465.         <section class="section">
    466. 

  466.           <div class="section-content">
    467. 

  467.             <div class="task-group">
    468. 

  468.               <ul class="item-container">
    469. 

  469.                 <li class="item">
    470. 

  470.                   <div>
    471. 

  471.                     <code>
    472. 

  472.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC0bC6StatusO"></a>
    473. 

  473.                     <a name="//apple_ref/swift/Enum/NetworkReachabilityStatus" class="dashAnchor"></a>
    474. 

  474.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC0bC6StatusO">NetworkReachabilityStatus</a>
    475. 

  475.                     </code>
    476. 

  476.                   </div>
    477. 

  477.                   <div class="height-container">
    478. 

  478.                     <div class="pointer-container"></div>
    479. 

  479.                     <section class="section">
    480. 

  480.                       <div class="pointer"></div>
    481. 

  481.                       <div class="abstract">
    482. 

  482.                         <p>Defines the various states of network reachability.</p>
    483. 

  483. 

  484.                         <a href="../Classes/NetworkReachabilityManager/NetworkReachabilityStatus.html" class="slightly-smaller">See more</a>
    485. 

  485.                       </div>
    486. 

  486.                       <div class="declaration">
    487. 

  487.                         <h4>Declaration</h4>
    488. 

  488.                         <div class="language">
    489. 

  489.                           <p class="aside-title">Swift</p>
    490. 

  490.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">NetworkReachabilityStatus</span></code></pre>
    491. 

  491. <pre class="highlight swift"><code><span class="kd">extension</span> <span class="kt"><a href="../Classes/NetworkReachabilityManager.html">NetworkReachabilityManager</a></span><span class="o">.</span><span class="kt">NetworkReachabilityStatus</span><span class="p">:</span> <span class="kt">Equatable</span></code></pre>
    492. 

  492. 

  493.                         </div>
    494. 

  494.                       </div>
    495. 

  495.                     </section>
    496. 

  496.                   </div>
    497. 

  497.                 </li>
    498. 

  498.                 <li class="item">
    499. 

  499.                   <div>
    500. 

  500.                     <code>
    501. 

  501.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC8Listenera"></a>
    502. 

  502.                     <a name="//apple_ref/swift/Alias/Listener" class="dashAnchor"></a>
    503. 

  503.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC8Listenera">Listener</a>
    504. 

  504.                     </code>
    505. 

  505.                   </div>
    506. 

  506.                   <div class="height-container">
    507. 

  507.                     <div class="pointer-container"></div>
    508. 

  508.                     <section class="section">
    509. 

  509.                       <div class="pointer"></div>
    510. 

  510.                       <div class="abstract">
    511. 

  511.                         <p>A closure executed when the network reachability status changes. The closure takes a single argument: the
    512. 

  512. network reachability status.</p>
    513. 

  513. 

  514.                       </div>
    515. 

  515.                       <div class="declaration">
    516. 

  516.                         <h4>Declaration</h4>
    517. 

  517.                         <div class="language">
    518. 

  518.                           <p class="aside-title">Swift</p>
    519. 

  519.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">typealias</span> <span class="kt">Listener</span> <span class="o">=</span> <span class="p">(</span><span class="kt"><a href="../Classes/NetworkReachabilityManager/NetworkReachabilityStatus.html">NetworkReachabilityStatus</a></span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Void</span></code></pre>
    520. 

  520. 

  521.                         </div>
    522. 

  522.                       </div>
    523. 

  523.                     </section>
    524. 

  524.                   </div>
    525. 

  525.                 </li>
    526. 

  526.                 <li class="item">
    527. 

  527.                   <div>
    528. 

  528.                     <code>
    529. 

  529.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC7defaultACSgvpZ"></a>
    530. 

  530.                     <a name="//apple_ref/swift/Variable/default" class="dashAnchor"></a>
    531. 

  531.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC7defaultACSgvpZ">default</a>
    532. 

  532.                     </code>
    533. 

  533.                   </div>
    534. 

  534.                   <div class="height-container">
    535. 

  535.                     <div class="pointer-container"></div>
    536. 

  536.                     <section class="section">
    537. 

  537.                       <div class="pointer"></div>
    538. 

  538.                       <div class="abstract">
    539. 

  539.                         <p>Default <code>NetworkReachabilityManager</code> for the zero address and a <code>listenerQueue</code> of <code>.main</code>.</p>
    540. 

  540. 

  541.                       </div>
    542. 

  542.                       <div class="declaration">
    543. 

  543.                         <h4>Declaration</h4>
    544. 

  544.                         <div class="language">
    545. 

  545.                           <p class="aside-title">Swift</p>
    546. 

  546.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">let</span> <span class="err">`</span><span class="k">default</span><span class="err">`</span><span class="p">:</span> <span class="kt">NetworkReachabilityManager</span><span class="p">?</span></code></pre>
    547. 

  547. 

  548.                         </div>
    549. 

  549.                       </div>
    550. 

  550.                     </section>
    551. 

  551.                   </div>
    552. 

  552.                 </li>
    553. 

  553.               </ul>
    554. 

  554.             </div>
    555. 

  555.             <div class="task-group">
    556. 

  556.               <div class="task-name-container">
    557. 

  557.                 <a name="/Properties"></a>
    558. 

  558.                 <a name="//apple_ref/swift/Section/Properties" class="dashAnchor"></a>
    559. 

  559.                 <div class="section-name-container">
    560. 

  560.                   <a class="section-name-link" href="#/Properties"></a>
    561. 

  561.                   <h3 class="section-name"><p>Properties</p>
    562. 

  562. </h3>
    563. 

  563.                 </div>
    564. 

  564.               </div>
    565. 

  565.               <ul class="item-container">
    566. 

  566.                 <li class="item">
    567. 

  567.                   <div>
    568. 

  568.                     <code>
    569. 

  569.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC11isReachableSbvp"></a>
    570. 

  570.                     <a name="//apple_ref/swift/Property/isReachable" class="dashAnchor"></a>
    571. 

  571.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC11isReachableSbvp">isReachable</a>
    572. 

  572.                     </code>
    573. 

  573.                   </div>
    574. 

  574.                   <div class="height-container">
    575. 

  575.                     <div class="pointer-container"></div>
    576. 

  576.                     <section class="section">
    577. 

  577.                       <div class="pointer"></div>
    578. 

  578.                       <div class="abstract">
    579. 

  579.                         <p>Whether the network is currently reachable.</p>
    580. 

  580. 

  581.                       </div>
    582. 

  582.                       <div class="declaration">
    583. 

  583.                         <h4>Declaration</h4>
    584. 

  584.                         <div class="language">
    585. 

  585.                           <p class="aside-title">Swift</p>
    586. 

  586.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="k">var</span> <span class="nv">isReachable</span><span class="p">:</span> <span class="kt">Bool</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
    587. 

  587. 

  588.                         </div>
    589. 

  589.                       </div>
    590. 

  590.                     </section>
    591. 

  591.                   </div>
    592. 

  592.                 </li>
    593. 

  593.                 <li class="item">
    594. 

  594.                   <div>
    595. 

  595.                     <code>
    596. 

  596.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC21isReachableOnCellularSbvp"></a>
    597. 

  597.                     <a name="//apple_ref/swift/Property/isReachableOnCellular" class="dashAnchor"></a>
    598. 

  598.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC21isReachableOnCellularSbvp">isReachableOnCellular</a>
    599. 

  599.                     </code>
    600. 

  600.                   </div>
    601. 

  601.                   <div class="height-container">
    602. 

  602.                     <div class="pointer-container"></div>
    603. 

  603.                     <section class="section">
    604. 

  604.                       <div class="pointer"></div>
    605. 

  605.                       <div class="abstract">
    606. 

  606.                         <p>Whether the network is currently reachable over the cellular interface.</p>
    607. 

  607. <div class="aside aside-note">
    608. 

  608.     <p class="aside-title">Note</p>
    609. 

  609.     Using this property to decide whether to make a high or low bandwidth request is not recommended.
    610. 

  610.     Instead, set the <code>allowsCellularAccess</code> on any <code>URLRequest</code>s being issued.
    611. 

  611. 

  612. </div>
    613. 

  613. 

  614.                       </div>
    615. 

  615.                       <div class="declaration">
    616. 

  616.                         <h4>Declaration</h4>
    617. 

  617.                         <div class="language">
    618. 

  618.                           <p class="aside-title">Swift</p>
    619. 

  619.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="k">var</span> <span class="nv">isReachableOnCellular</span><span class="p">:</span> <span class="kt">Bool</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
    620. 

  620. 

  621.                         </div>
    622. 

  622.                       </div>
    623. 

  623.                     </section>
    624. 

  624.                   </div>
    625. 

  625.                 </li>
    626. 

  626.                 <li class="item">
    627. 

  627.                   <div>
    628. 

  628.                     <code>
    629. 

  629.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC27isReachableOnEthernetOrWiFiSbvp"></a>
    630. 

  630.                     <a name="//apple_ref/swift/Property/isReachableOnEthernetOrWiFi" class="dashAnchor"></a>
    631. 

  631.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC27isReachableOnEthernetOrWiFiSbvp">isReachableOnEthernetOrWiFi</a>
    632. 

  632.                     </code>
    633. 

  633.                   </div>
    634. 

  634.                   <div class="height-container">
    635. 

  635.                     <div class="pointer-container"></div>
    636. 

  636.                     <section class="section">
    637. 

  637.                       <div class="pointer"></div>
    638. 

  638.                       <div class="abstract">
    639. 

  639.                         <p>Whether the network is currently reachable over Ethernet or WiFi interface.</p>
    640. 

  640. 

  641.                       </div>
    642. 

  642.                       <div class="declaration">
    643. 

  643.                         <h4>Declaration</h4>
    644. 

  644.                         <div class="language">
    645. 

  645.                           <p class="aside-title">Swift</p>
    646. 

  646.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="k">var</span> <span class="nv">isReachableOnEthernetOrWiFi</span><span class="p">:</span> <span class="kt">Bool</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
    647. 

  647. 

  648.                         </div>
    649. 

  649.                       </div>
    650. 

  650.                     </section>
    651. 

  651.                   </div>
    652. 

  652.                 </li>
    653. 

  653.                 <li class="item">
    654. 

  654.                   <div>
    655. 

  655.                     <code>
    656. 

  656.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC17reachabilityQueueSo17OS_dispatch_queueCvp"></a>
    657. 

  657.                     <a name="//apple_ref/swift/Property/reachabilityQueue" class="dashAnchor"></a>
    658. 

  658.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC17reachabilityQueueSo17OS_dispatch_queueCvp">reachabilityQueue</a>
    659. 

  659.                     </code>
    660. 

  660.                   </div>
    661. 

  661.                   <div class="height-container">
    662. 

  662.                     <div class="pointer-container"></div>
    663. 

  663.                     <section class="section">
    664. 

  664.                       <div class="pointer"></div>
    665. 

  665.                       <div class="abstract">
    666. 

  666.                         <p><code>DispatchQueue</code> on which reachability will update.</p>
    667. 

  667. 

  668.                       </div>
    669. 

  669.                       <div class="declaration">
    670. 

  670.                         <h4>Declaration</h4>
    671. 

  671.                         <div class="language">
    672. 

  672.                           <p class="aside-title">Swift</p>
    673. 

  673.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">reachabilityQueue</span><span class="p">:</span> <span class="kt">DispatchQueue</span></code></pre>
    674. 

  674. 

  675.                         </div>
    676. 

  676.                       </div>
    677. 

  677.                     </section>
    678. 

  678.                   </div>
    679. 

  679.                 </li>
    680. 

  680.                 <li class="item">
    681. 

  681.                   <div>
    682. 

  682.                     <code>
    683. 

  683.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC5flagsSo09SCNetworkC5FlagsVSgvp"></a>
    684. 

  684.                     <a name="//apple_ref/swift/Property/flags" class="dashAnchor"></a>
    685. 

  685.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC5flagsSo09SCNetworkC5FlagsVSgvp">flags</a>
    686. 

  686.                     </code>
    687. 

  687.                   </div>
    688. 

  688.                   <div class="height-container">
    689. 

  689.                     <div class="pointer-container"></div>
    690. 

  690.                     <section class="section">
    691. 

  691.                       <div class="pointer"></div>
    692. 

  692.                       <div class="abstract">
    693. 

  693.                         <p>Flags of the current reachability type, if any.</p>
    694. 

  694. 

  695.                       </div>
    696. 

  696.                       <div class="declaration">
    697. 

  697.                         <h4>Declaration</h4>
    698. 

  698.                         <div class="language">
    699. 

  699.                           <p class="aside-title">Swift</p>
    700. 

  700.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="k">var</span> <span class="nv">flags</span><span class="p">:</span> <span class="kt">SCNetworkReachabilityFlags</span><span class="p">?</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
    701. 

  701. 

  702.                         </div>
    703. 

  703.                       </div>
    704. 

  704.                     </section>
    705. 

  705.                   </div>
    706. 

  706.                 </li>
    707. 

  707.                 <li class="item">
    708. 

  708.                   <div>
    709. 

  709.                     <code>
    710. 

  710.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC6statusAC0bC6StatusOvp"></a>
    711. 

  711.                     <a name="//apple_ref/swift/Property/status" class="dashAnchor"></a>
    712. 

  712.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC6statusAC0bC6StatusOvp">status</a>
    713. 

  713.                     </code>
    714. 

  714.                   </div>
    715. 

  715.                   <div class="height-container">
    716. 

  716.                     <div class="pointer-container"></div>
    717. 

  717.                     <section class="section">
    718. 

  718.                       <div class="pointer"></div>
    719. 

  719.                       <div class="abstract">
    720. 

  720.                         <p>The current network reachability status.</p>
    721. 

  721. 

  722.                       </div>
    723. 

  723.                       <div class="declaration">
    724. 

  724.                         <h4>Declaration</h4>
    725. 

  725.                         <div class="language">
    726. 

  726.                           <p class="aside-title">Swift</p>
    727. 

  727.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="k">var</span> <span class="nv">status</span><span class="p">:</span> <span class="kt"><a href="../Classes/NetworkReachabilityManager/NetworkReachabilityStatus.html">NetworkReachabilityStatus</a></span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
    728. 

  728. 

  729.                         </div>
    730. 

  730.                       </div>
    731. 

  731.                     </section>
    732. 

  732.                   </div>
    733. 

  733.                 </li>
    734. 

  734.               </ul>
    735. 

  735.             </div>
    736. 

  736.             <div class="task-group">
    737. 

  737.               <div class="task-name-container">
    738. 

  738.                 <a name="/Initialization"></a>
    739. 

  739.                 <a name="//apple_ref/swift/Section/Initialization" class="dashAnchor"></a>
    740. 

  740.                 <div class="section-name-container">
    741. 

  741.                   <a class="section-name-link" href="#/Initialization"></a>
    742. 

  742.                   <h3 class="section-name"><p>Initialization</p>
    743. 

  743. </h3>
    744. 

  744.                 </div>
    745. 

  745.               </div>
    746. 

  746.               <ul class="item-container">
    747. 

  747.                 <li class="item">
    748. 

  748.                   <div>
    749. 

  749.                     <code>
    750. 

  750.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC4hostACSgSS_tcfc"></a>
    751. 

  751.                     <a name="//apple_ref/swift/Method/init(host:)" class="dashAnchor"></a>
    752. 

  752.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC4hostACSgSS_tcfc">init(host:)</a>
    753. 

  753.                     </code>
    754. 

  754.                   </div>
    755. 

  755.                   <div class="height-container">
    756. 

  756.                     <div class="pointer-container"></div>
    757. 

  757.                     <section class="section">
    758. 

  758.                       <div class="pointer"></div>
    759. 

  759.                       <div class="abstract">
    760. 

  760.                         <p>Creates an instance with the specified host.</p>
    761. 

  761. <div class="aside aside-note">
    762. 

  762.     <p class="aside-title">Note</p>
    763. 

  763.     <p>The <code>host</code> value must <em>not</em> contain a scheme, just the hostname.</p>
    764. 

  764. 

  765. </div>
    766. 

  766. 

  767.                       </div>
    768. 

  768.                       <div class="declaration">
    769. 

  769.                         <h4>Declaration</h4>
    770. 

  770.                         <div class="language">
    771. 

  771.                           <p class="aside-title">Swift</p>
    772. 

  772.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="n">convenience</span> <span class="nf">init</span><span class="p">?(</span><span class="nv">host</span><span class="p">:</span> <span class="kt">String</span><span class="p">)</span></code></pre>
    773. 

  773. 

  774.                         </div>
    775. 

  775.                       </div>
    776. 

  776.                       <div>
    777. 

  777.                         <h4>Parameters</h4>
    778. 

  778.                         <table class="graybox">
    779. 

  779.                           <tbody>
    780. 

  780.                             <tr>
    781. 

  781.                               <td>
    782. 

  782.                                 <code>
    783. 

  783.                                 <em>host</em>
    784. 

  784.                                 </code>
    785. 

  785.                               </td>
    786. 

  786.                               <td>
    787. 

  787.                                 <div>
    788. 

  788.                                   <p>Host used to evaluate network reachability. Must <em>not</em> include the scheme (e.g. <code>https</code>).</p>
    789. 

  789.                                 </div>
    790. 

  790.                               </td>
    791. 

  791.                             </tr>
    792. 

  792.                           </tbody>
    793. 

  793.                         </table>
    794. 

  794.                       </div>
    795. 

  795.                     </section>
    796. 

  796.                   </div>
    797. 

  797.                 </li>
    798. 

  798.                 <li class="item">
    799. 

  799.                   <div>
    800. 

  800.                     <code>
    801. 

  801.                     <a name="/s:9Alamofire26NetworkReachabilityManagerCACSgycfc"></a>
    802. 

  802.                     <a name="//apple_ref/swift/Method/init()" class="dashAnchor"></a>
    803. 

  803.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerCACSgycfc">init()</a>
    804. 

  804.                     </code>
    805. 

  805.                   </div>
    806. 

  806.                   <div class="height-container">
    807. 

  807.                     <div class="pointer-container"></div>
    808. 

  808.                     <section class="section">
    809. 

  809.                       <div class="pointer"></div>
    810. 

  810.                       <div class="abstract">
    811. 

  811.                         <p>Creates an instance that monitors the address 0.0.0.0.</p>
    812. 

  812. 

  813. <p>Reachability treats the 0.0.0.0 address as a special token that causes it to monitor the general routing
    814. 

  814. status of the device, both IPv4 and IPv6.</p>
    815. 

  815. 

  816.                       </div>
    817. 

  817.                       <div class="declaration">
    818. 

  818.                         <h4>Declaration</h4>
    819. 

  819.                         <div class="language">
    820. 

  820.                           <p class="aside-title">Swift</p>
    821. 

  821.                           <pre class="highlight swift"><code><span class="kd">public</span> <span class="n">convenience</span> <span class="nf">init</span><span class="p">?()</span></code></pre>
    822. 

  822. 

  823.                         </div>
    824. 

  824.                       </div>
    825. 

  825.                     </section>
    826. 

  826.                   </div>
    827. 

  827.                 </li>
    828. 

  828.               </ul>
    829. 

  829.             </div>
    830. 

  830.             <div class="task-group">
    831. 

  831.               <div class="task-name-container">
    832. 

  832.                 <a name="/Listening"></a>
    833. 

  833.                 <a name="//apple_ref/swift/Section/Listening" class="dashAnchor"></a>
    834. 

  834.                 <div class="section-name-container">
    835. 

  835.                   <a class="section-name-link" href="#/Listening"></a>
    836. 

  836.                   <h3 class="section-name"><p>Listening</p>
    837. 

  837. </h3>
    838. 

  838.                 </div>
    839. 

  839.               </div>
    840. 

  840.               <ul class="item-container">
    841. 

  841.                 <li class="item">
    842. 

  842.                   <div>
    843. 

  843.                     <code>
    844. 

  844.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC14startListening7onQueue0G16UpdatePerformingSbSo17OS_dispatch_queueC_yAC0bC6StatusOctF"></a>
    845. 

  845.                     <a name="//apple_ref/swift/Method/startListening(onQueue:onUpdatePerforming:)" class="dashAnchor"></a>
    846. 

  846.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC14startListening7onQueue0G16UpdatePerformingSbSo17OS_dispatch_queueC_yAC0bC6StatusOctF">startListening(onQueue:onUpdatePerforming:)</a>
    847. 

  847.                     </code>
    848. 

  848.                   </div>
    849. 

  849.                   <div class="height-container">
    850. 

  850.                     <div class="pointer-container"></div>
    851. 

  851.                     <section class="section">
    852. 

  852.                       <div class="pointer"></div>
    853. 

  853.                       <div class="abstract">
    854. 

  854.                         <p>Starts listening for changes in network reachability status.</p>
    855. 

  855. <div class="aside aside-note">
    856. 

  856.     <p class="aside-title">Note</p>
    857. 

  857.     <p>Stops and removes any existing listener.</p>
    858. 

  858. 

  859. </div>
    860. 

  860. 

  861.                       </div>
    862. 

  862.                       <div class="declaration">
    863. 

  863.                         <h4>Declaration</h4>
    864. 

  864.                         <div class="language">
    865. 

  865.                           <p class="aside-title">Swift</p>
    866. 

  866.                           <pre class="highlight swift"><code><span class="kd">@discardableResult</span>
    867. 

  867. <span class="kd">open</span> <span class="kd">func</span> <span class="nf">startListening</span><span class="p">(</span><span class="n">onQueue</span> <span class="nv">queue</span><span class="p">:</span> <span class="kt">DispatchQueue</span> <span class="o">=</span> <span class="o">.</span><span class="n">main</span><span class="p">,</span>
    868. 

  868.                          <span class="n">onUpdatePerforming</span> <span class="nv">listener</span><span class="p">:</span> <span class="kd">@escaping</span> <span class="kt"><a href="../Classes/NetworkReachabilityManager.html#/s:9Alamofire26NetworkReachabilityManagerC8Listenera">Listener</a></span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Bool</span></code></pre>
    869. 

  869. 

  870.                         </div>
    871. 

  871.                       </div>
    872. 

  872.                       <div>
    873. 

  873.                         <h4>Parameters</h4>
    874. 

  874.                         <table class="graybox">
    875. 

  875.                           <tbody>
    876. 

  876.                             <tr>
    877. 

  877.                               <td>
    878. 

  878.                                 <code>
    879. 

  879.                                 <em>queue</em>
    880. 

  880.                                 </code>
    881. 

  881.                               </td>
    882. 

  882.                               <td>
    883. 

  883.                                 <div>
    884. 

  884.                                   <p><code>DispatchQueue</code> on which to call the <code>listener</code> closure. <code>.main</code> by default.</p>
    885. 

  885.                                 </div>
    886. 

  886.                               </td>
    887. 

  887.                             </tr>
    888. 

  888.                             <tr>
    889. 

  889.                               <td>
    890. 

  890.                                 <code>
    891. 

  891.                                 <em>listener</em>
    892. 

  892.                                 </code>
    893. 

  893.                               </td>
    894. 

  894.                               <td>
    895. 

  895.                                 <div>
    896. 

  896.                                   <p><code><a href="../Classes/NetworkReachabilityManager.html#/s:9Alamofire26NetworkReachabilityManagerC8Listenera">Listener</a></code> closure called when reachability changes.</p>
    897. 

  897.                                 </div>
    898. 

  898.                               </td>
    899. 

  899.                             </tr>
    900. 

  900.                           </tbody>
    901. 

  901.                         </table>
    902. 

  902.                       </div>
    903. 

  903.                       <div>
    904. 

  904.                         <h4>Return Value</h4>
    905. 

  905.                         <p><code>true</code> if listening was started successfully, <code>false</code> otherwise.</p>
    906. 

  906.                       </div>
    907. 

  907.                     </section>
    908. 

  908.                   </div>
    909. 

  909.                 </li>
    910. 

  910.                 <li class="item">
    911. 

  911.                   <div>
    912. 

  912.                     <code>
    913. 

  913.                     <a name="/s:9Alamofire26NetworkReachabilityManagerC13stopListeningyyF"></a>
    914. 

  914.                     <a name="//apple_ref/swift/Method/stopListening()" class="dashAnchor"></a>
    915. 

  915.                     <a class="token" href="#/s:9Alamofire26NetworkReachabilityManagerC13stopListeningyyF">stopListening()</a>
    916. 

  916.                     </code>
    917. 

  917.                   </div>
    918. 

  918.                   <div class="height-container">
    919. 

  919.                     <div class="pointer-container"></div>
    920. 

  920.                     <section class="section">
    921. 

  921.                       <div class="pointer"></div>
    922. 

  922.                       <div class="abstract">
    923. 

  923.                         <p>Stops listening for changes in network reachability status.</p>
    924. 

  924. 

  925.                       </div>
    926. 

  926.                       <div class="declaration">
    927. 

  927.                         <h4>Declaration</h4>
    928. 

  928.                         <div class="language">
    929. 

  929.                           <p class="aside-title">Swift</p>
    930. 

  930.                           <pre class="highlight swift"><code><span class="kd">open</span> <span class="kd">func</span> <span class="nf">stopListening</span><span class="p">()</span></code></pre>
    931. 

  931. 

  932.                         </div>
    933. 

  933.                       </div>
    934. 

  934.                     </section>
    935. 

  935.                   </div>
    936. 

  936.                 </li>
    937. 

  937.               </ul>
    938. 

  938.             </div>
    939. 

  939.           </div>
    940. 

  940.         </section>
    941. 

  941. 

  942.       </article>
    943. 

  943.     </div>
    944. 

  944.     <section class="footer">
    945. 

  945.       <p>&copy; 2020 <a class="link" href="http://alamofire.org/" target="_blank" rel="external">Alamofire Software Foundation</a>. All rights reserved. (Last updated: 2020-02-23)</p>
    946. 

  946.       <p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.13.1</a>, a <a class="link" href="https://realm.io" target="_blank" rel="external">Realm</a> project.</p>
    947. 

  947.     </section>
    948. 

  948.   </body>
    949. 

  949. </div>
    950. 

  950. </html>
    951.