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      1 page.title=Determining and Monitoring the Docking State and Type
      2 parent.title=Optimizing Battery Life
      3 parent.link=index.html
      4 
      5 trainingnavtop=true
      6 previous.title= Monitoring the Battery Level and Charging State
      7 previous.link=battery-monitoring.html
      8 next.title= Determining and Monitoring the Connectivity Status
      9 next.link=connectivity-monitoring.html
     10 
     11 @jd:body
     12 
     13 <div id="tb-wrapper"> 
     14 <div id="tb">
     15 
     16 <h2> </h2>
     17 <ol>
     18   <li><a href="#CurrentDockState"> </a></li>
     19   <li><a href="#DockType">  -</a></li>
     20   <li><a href="#MonitorDockState">     -   </a></li>
     21 </ol>
     22 
     23 
     24 <h2> </h2>
     25 <ul>
     26   <li><a href="{@docRoot}guide/components/intents-filters.html">   </a>
     27 </ul>
     28 
     29 </div> 
     30 </div>
     31 
     32 <p>    Android      -: ,      ,  .         -,     -     .</p>
     33 
     34 <p>    -    ,    . ,     ,   ,      -,        .  ,   ,         ,       -     .</p>
     35 
     36 <p>   -       {@link android.content.Intent},         -   .</p>
     37 
     38 
     39 <h2 id="CurrentDockState">     -</h2> 
     40  
     41 <p>     -          {@link android.content.Intent#ACTION_DOCK_EVENT}.    ,  {@link android.content.BroadcastReceiver}  .   {@link android.content.Context#registerReceiver registerReceiver()},  {@code null}     ,     .</p>
     42 
     43 <pre>IntentFilter ifilter = new IntentFilter(Intent.ACTION_DOCK_EVENT);
     44 Intent dockStatus = context.registerReceiver(null, ifilter);</pre>
     45 
     46 <p>      -      {@code EXTRA_DOCK_STATE}:<p>
     47 
     48 <pre>int dockState = battery.getIntExtra(EXTRA_DOCK_STATE, -1);
     49 boolean isDocked = dockState != Intent.EXTRA_DOCK_STATE_UNDOCKED;</pre>
     50 
     51 
     52 <h2 id="DockType">  -</h2> 
     53 
     54 <p>-,    ,      : 
     55 <ul><li>;</li>
     56 <li>;</li>
     57 <li>     ();</li>
     58 <li>     ().</li></ul></p>
     59 
     60 <p> ,         API&nbsp;11, ,     ,   -   ,     ,       :</p>
     61 
     62 <pre>boolean isCar = dockState == EXTRA_DOCK_STATE_CAR;
     63 boolean isDesk = dockState == EXTRA_DOCK_STATE_DESK || 
     64                  dockState == EXTRA_DOCK_STATE_LE_DESK ||
     65                  dockState == EXTRA_DOCK_STATE_HE_DESK;</pre>
     66 
     67 
     68 <h2 id="MonitorDockState">     -   </h2> 
     69 
     70 <p>     -       {@link android.content.Intent#ACTION_DOCK_EVENT}.      -,        ,   .</p>
     71 
     72 <pre>&lt;action android:name="android.intent.action.ACTION_DOCK_EVENT"/></pre>
     73 
     74 <p>   -              ,    .</p>
     75