guide/topics/fundamentals.jd

page.title=
@jd:body

<div id="qv-wrapper">
<div id="qv">
<h2></h2>
<ol>
<li>{@link android.app.Activity}</li>
<li>{@link android.app.Service}</li>
<li>{@link android.content.BroadcastReceiver}</li>
<li>{@link android.content.ContentProvider}</li>
<li>{@link android.content.Intent}</li>
</ol>

<h2></h2>
<ol>
<li><a href="#appcomp"></a>
  <ol>
    <li><a href="#actcomp">: </a></li>
    <li><a href="#endcomp"></a></li>
    <li><a href="#manfile"> </a></li>
    <li><a href="#ifilters"> </a></li>
  </ol></li>
<li><a href="#acttask"></a>
  <ol>
    <li><a href="#afftask"></a></li>
    <li><a href="#lmodes"></a></li>
    <li><a href="#clearstack"></a></li>
    <li><a href="#starttask"></a></li>
  </ol></li>
<li><a href="#procthread"></a>
  <ol>
    <li><a href="#procs"></a></li>
    <li><a href="#threads"></a></li>
    <li><a href="#rpc">  </a></li>
    <li><a href="#tsafe"></a></li>
  </ol></li>
<li><a href="#lcycles"></a>
  <ol>
    <li><a href="#actlife"></a></li>
    <li><a href="#servlife"></a></li>
    <li><a href="#broadlife"> </a></li>
    <li><a href="#proclife"></a></li>
  </ol></li>
</ol>
</div>
</div>

<p>
Android  Java  Java  <a href="{@docRoot}tools/aapt.html"><code>aapt</code> </a> Android Android  {@code .apk}  <i></i>Android  1  {@code .apk} 1 <i></i>
</p>

<p>
 Android :
</p>

<ul>
<li> Linux Android   </li>

<li> Java VM </li>

<li> Linux  ID </li>
</ul>

<p>
2  ID   ID  VM  Linux
</p>


<h2 id="appcomp"></h2>

<p>
Android  1
</p>

<p>
  Java Android   {@code main()} <i></i> 4 :
</p>

<dl>

<dt><b></b></dt>
<dd> 1  <i></i> SMS  {@link android.app.Activity}

<p>
1 SMS
</p>

<p>

</p>

<p>
{@link android.view.View}  Android
</p>

<p>
<code>{@link android.app.Activity#setContentView Activity.setContentView()}</code>   View <i></i><a href="{@docRoot}guide/topics/ui/index.html">User Interface</a>
</p>

<p><dt><b></b></dt>
<dd> <i></i> BGM {@link android.app.Service}

<p>
   1
</p>

<p>

</p>

<p>
   <a href="#procthread"></a>
</p></dd>

<dt><b> </b></dt>
<dd> <i></i>

<p>
 {@link android.content.BroadcastReceiver}
</p>

<p>
  {@link android.app.NotificationManager}
</p></dd>

<dt><b> </b></dt>
<dd> <i></i>  SQLite  {@link android.content.ContentProvider}  {@link android.content.ContentResolver} ContentResolver

<p>
 <a href="{@docRoot}guide/topics/providers/content-providers.html">Content Providers</a>
</p></dd>

</dl>

<p>
Android
</p>


<h3 id="actcomp">: </h3>

<p>
 ContentResolver  3  <i></i> {@link android.content.Intent}  Intent  URI  Intent
</p>

<p>
:
</p>

<ul>

<li>Intent  <code>{@link android.content.Context#startActivity
Context.startActivity()}</code>  <code>{@link
android.app.Activity#startActivityForResult
Activity.startActivityForResult()}</code>  <code>{@link android.app.Activity#getIntent getIntent()}</code> Android  <code>{@link
android.app.Activity#onNewIntent onNewIntent()}</code>

<p>
{@code startActivity()}  {@code startActivityForResult()}  <code>{@link android.app.Activity#onActivityResult
onActivityResult()}</code>  Intent
</p>
</li>

<li><p><code>{@link
android.content.Context#startService Context.startService()}</code>  Intent Android  <code>{@link android.app.Service#onStart
onStart()}</code>  Intent </p>

<p>
 <code>{@link
android.content.Context#bindService Context.bindService()}</code> <code>{@link android.app.Service#onBind onBind()}</code>  Intent  {@code bindService()}   {@code bindService()}
</p>

<p>
<a href="#rpc">  </a>
</p>
</li>

<li><p><code>{@link
android.content.Context#sendBroadcast(Intent) Context.sendBroadcast()}</code><code>{@link android.content.Context#sendOrderedBroadcast(Intent, String)
Context.sendOrderedBroadcast()}</code><code>{@link
android.content.Context#sendStickyBroadcast Context.sendStickyBroadcast()}</code>  Intent Android  <code>{@link
android.content.BroadcastReceiver#onReceive onReceive()}</code>  </p></li>

</ul>

<p>
 <a href="{@docRoot}guide/components/intents-filters.html">Intents and Intent Filters</a>
</p>


<h3 id="endcomp"></h3>

<p>
 ContentResolver
</p>

<p>
 Android :
</p>

<ul>
<li> <code>{@link android.app.Activity#finish finish()}</code>  {@code startActivityForResult()} <code>{@link android.app.Activity#finishActivity finishActivity()}</code> </li>

<li> <code>{@link android.app.Service#stopSelf stopSelf()}</code> <code>{@link android.content.Context#stopService Context.stopService()}</code> </li>
</ul>

<p>
Android <a href="#lcycles"></a>
</p>


<h3 id="manfile"> </h3>

<p>
 Android   Android {@code .apk}
</p>

<p>
 XML  AndroidManifest.xml   Android
</p>

<p>
 Android :
</p>

<pre>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;manifest . . . &gt;
    &lt;application . . . &gt;
        &lt;activity android:name="com.example.project.FreneticActivity"
                  android:icon="@drawable/small_pic.png"
                  android:label="@string/freneticLabel"
                  . . .  &gt;
        &lt;/activity&gt;
        . . .
    &lt;/application&gt;
&lt;/manifest&gt;</pre>

<p>
<code><a href="{@docRoot}guide/topics/manifest/activity-element.html">&lt;activity&gt;</a></code>  {@code name}  {@link android.app.Activity} {@code icon}  {@code label}
</p>

<p>
 <code><a href="{@docRoot}guide/topics/manifest/service-element.html">&lt;service&gt;</a></code>   <code><a href="{@docRoot}guide/topics/manifest/receiver-element.html">&lt;receiver&gt;</a></code>   <code><a href="{@docRoot}guide/topics/manifest/provider-element.html">&lt;provider&gt;</a></code>    {@link android.content.BroadcastReceiver} <code>{@link android.content.Context#registerReceiver Context.registerReceiver()}</code>
</p>

<p>
 <a href="{@docRoot}guide/topics/manifest/manifest-intro.html">The AndroidManifest.xml File</a>
</p>


<h3 id="ifilters"> </h3>

<p>
Intent Android  Intent  <i></i>  1   2  :
</p>

<pre>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;manifest . . . &gt;
    &lt;application . . . &gt;
        &lt;activity android:name="com.example.project.FreneticActivity"
                  android:icon="@drawable/small_pic.png"
                  android:label="@string/freneticLabel"
                  . . .  &gt;
            &lt;intent-filter . . . &gt;
                &lt;action android:name="android.intent.action.MAIN" /&gt;
                &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
            &lt;/intent-filter&gt;
            &lt;intent-filter . . . &gt;
                &lt;action android:name="com.example.project.BOUNCE" /&gt;
                &lt;data android:mimeType="image/jpeg" /&gt;
                &lt;category android:name="android.intent.category.DEFAULT" /&gt;
            &lt;/intent-filter&gt;
        &lt;/activity&gt;
        . . .
    &lt;/application&gt;
&lt;/manifest&gt;</pre>

<p>
 1 {@code android.intent.action.MAIN}{@code android.intent.category.LAUNCHER}
</p>

<p>
2
</p>

<p>
  1
</p>

<p>
   {@link android.content.IntentFilter}
</p>

<p>
 <a href="{@docRoot}guide/components/intents-filters.html">Intents and Intent Filters</a>
</p>


<h2 id="acttask"></h2>

<p>
 Intent  {@code startActivity()}   []
</p>

<p>
  Android  <i></i> 1   1  [[]] 1
</p>

<p>
 Activity
</p>

<p>

</p>

<p>
1   4  3  []  <i></i>  1  4  [] 1   1
</p>

<p>
 Intent   <code><a href="{@docRoot}guide/topics/manifest/activity-element.html">&lt;activity&gt;</a></code>
</p>

<p>
 Intent :

<p style="margin-left: 2em">{@code FLAG_ACTIVITY_NEW_TASK} <br/>{@code FLAG_ACTIVITY_CLEAR_TOP} <br/>{@code FLAG_ACTIVITY_RESET_TASK_IF_NEEDED} <br/>{@code FLAG_ACTIVITY_SINGLE_TOP}</p>

<p>
 {@code &lt;activity&gt;} :

<p style="margin-left: 2em">{@code taskAffinity} <br/>{@code launchMode} <br/>{@code allowTaskReparenting} <br/>{@code clearTaskOnLaunch} <br/>{@code alwaysRetainTaskState} <br/>{@code finishOnTaskLaunch}</p>

<p>

</p>


<h3 id="afftask"></h3>

<p>
<i></i>{@code &lt;activity&gt;}  {@code taskAffinity}  2 1  Intent  {@code FLAG_ACTIVITY_NEW_TASK}  1  {@code allowTaskReparenting}  "{@code true}"
</p>

<dl>
<dt><code>{@link android.content.Intent#FLAG_ACTIVITY_NEW_TASK}</code> </dt>
<dd> {@code startActivity()} {@code startActivity()}  Intent  {@code FLAG_ACTIVITY_NEW_TASK} </dd>

<dt><code><a
href="{@docRoot}guide/topics/manifest/activity-element.html#reparent">allowTaskReparenting</a></code> </dt>
<dd>{@code allowTaskReparenting}  "{@code true}" </dd>
</dl>

<p>
 1  {@code .apk}
</p>


<h3 id="lmodes"></h3>

<p>
<code><a href="{@docRoot}guide/topics/manifest/activity-element.html#lmode">launchMode</a></code>  {@code &lt;activity&gt;}  4 :
</p>

<p style="margin-left: 2em">"{@code standard}" <br>"{@code singleTop}"<br>"{@code singleTask}"<br>"{@code singleInstance}"</p>

<p>
 4 :
</p>

<ul>

<li><b></b>"{@code standard}"  "{@code singleTop}"  <code>{@link android.content.Context#startActivity startActivity()}</code> Intent  <code>{@link android.content.Intent#FLAG_ACTIVITY_NEW_TASK}</code> <a href="#afftask"></a>

<p>
"{@code singleTask}"  "{@code singleInstance}"
</p>

<li><p><b></b>"{@code standard}"  "{@code singleTop}"
</p>

<p>
"{@code singleTask}"  "{@code singleInstance}"  1
</p>

<li><p><b></b>"{@code singleInstance}"  {@code FLAG_ACTIVITY_NEW_TASK} "{@code singleInstance}"  "{@code singleTask}" </p>

<p>
 3 "{@code singleTask}"  "{@code standard}"  "{@code singleTop}"
</p></li>

<li><b></b> "{@code standard}"  1 "{@code singleTop}"

<p>
   A  BCD  A-B-C-D  D  D D  "{@code standard}"  A-B-C-D-D D  "{@code singleTop}"  D  A-B-C-D
</p>

<p>
  B B  "{@code standard}"  "{@code singleTop}" B  B  A-B-C-D-B
</p>

<p>
"{@code singleTask}"  "{@code singleInstance}" "{@code singleInstance}" "{@code singleTask}"
</p>
</li>

</ul>

<p>
<code>{@link android.app.Activity#onNewIntent onNewIntent()}</code>  Intent   <code>{@link android.app.Activity#getIntent getIntent()}</code>
</p>

<p>
 [[]]  1 1 [[]]
</p>

<p>
<code><a href="{@docRoot}guide/topics/manifest/activity-element.html">&lt;activity&gt;</a></code>
</p>


<h3 id="clearstack"></h3>

<p>

</p>

<p>
:
</p>

<dl>
<dt><code><a
href="{@docRoot}guide/topics/manifest/activity-element.html#always">alwaysRetainTaskState</a></code> </dt>
<dd>  "{@code true}" </dd>

<dt><code><a
href="{@docRoot}guide/topics/manifest/activity-element.html#clear">clearTaskOnLaunch</a></code> </dt>
<dd>  "{@code true}" {@code alwaysRetainTaskState} </dd>

<dt><code><a
href="{@docRoot}guide/topics/manifest/activity-element.html#finish">finishOnTaskLaunch</a></code> </dt>
<dd> {@code clearTaskOnLaunch}   "{@code true}" </dd>
</dl>

<p>
Intent  <code>{@link
android.content.Intent#FLAG_ACTIVITY_CLEAR_TOP FLAG_ACTIVITY_CLEAR_TOP}</code>  "{@code standard}"  "{@code standard}"
</p>

<p>
{@code FLAG_ACTIVITY_CLEAR_TOP}  {@code FLAG_ACTIVITY_NEW_TASK}
</p>


<h3 id="starttask"></h3>

<p>
  "{@code android.intent.action.MAIN}" "{@code android.intent.category.LAUNCHER}"  <a href="#ifilters"> </a>
</p>

<p>
 2  {@code MAIN}  {@code LAUNCHER} "{@code singleTask}"  "{@code singleInstance}" "{@code singleTask}"  []
</p>

<p>
{@code FLAG_ACTIVITY_NEW_TASK}  [] {@code startActivity()}  {@code FLAG_ACTIVITY_NEW_TASK}
</p>

<p>
{@code &lt;activity&gt;}  {@code finishOnTaskLaunch}  "{@code true}" <a href="#clearstack"></a>
</p>


<h2 id="procthread"></h2>

<p>
Android   Linux
</p>

<p>

</p>


<h3 id="procs"></h3>

<p>
 {@code &lt;activity&gt;}{@code &lt;service&gt;}{@code &lt;receiver&gt;} {@code &lt;provider&gt;} {@code process}  Linux  ID {@code &lt;application&gt;}  {@code process}
</p>

<p>
  1  <a href="#lcycles"> </a> <code>{@link android.view.View#onKeyDown View.onKeyDown()}</code>  <a href="#threads"></a>
</p>

<p>
Android
</p>

<p>
Android <a href="#lcycles"></a>
</p>


<h3 id="threads"></h3>

<p>

</p>

<p>
 Java {@link java.lang.Thread} Android   {@link android.os.Looper} {@link android.os.Handler}  {@link android.os.HandlerThread}
</p>


<h3 id="rpc">  </h3>

<p>
Android (RPC) RPC Android RPC  RPC
</p>

<p>
RPC
</p>

<p>
IDL RPC <code><a href="{@docRoot}guide/components/aidl.html">aidl</a></code> RPC  Java  2 :
</p>

<p style="margin-left: 2em">
<img src="{@docRoot}images/binder_rpc.png" alt="RPC "  />
</p>

<p>
IDL    {@link android.os.IBinder} {@link android.os.Binder} IPCIDL  RPC ...
</p>

<p>
	 {@code aidl}  RPC  {@code aidl}
</p>

<p>
:
</p>

<ul>
<li> <code>{@link android.content.ServiceConnection#onServiceConnected
onServiceConnected()}</code> <code>{@link android.content.ServiceConnection#onServiceDisconnected
onServiceDisconnected()}</code>  <code>{@link android.content.Context#bindService bindService()}</code>
</li>

<li>
 <code>{@link android.app.Service#onBind onBind()}</code> {@code bindService()}
</li>

<li>Android  {@code onServiceConnected()} IBinder
</li>
</ul>

<p>
RPC <a href="{@docRoot}guide/components/aidl.html">Designing a Remote Interface Using AIDL</a> {@link android.os.IBinder IBinder}
</p>


<h3 id="tsafe"></h3>

<p>

</p>

<p>
 RPC IBinder  IBinder  IBinder  {@code onBind()}  {@code onBind()}  RPC    IBinder IBinder
</p>

<p>
  ContentResolver  ContentProvider  ContentProvider <code>{@link android.content.ContentProvider#query query()}</code><code>{@link android.content.ContentProvider#insert insert()}</code><code>{@link android.content.ContentProvider#delete delete()}</code><code>{@link android.content.ContentProvider#update update()}</code> <code>{@link android.content.ContentProvider#getType getType()}</code>
</p>


<h2 id="lcycles"></h2>

<p>

</p>


<h3 id="actlife"></h3>

<p> 3 :</p>

<ul>
<li>  <em></em><em></em></li>

<li><p><em></em> </p></li>

<li><p><em></em></p></li>
</ul>

<p>
 {@link android.app.Activity#finish finish()}
</p>

<p>
 protected :
</p>

<p style="margin-left: 2em">{@code void onCreate(Bundle <i>savedInstanceState</i>)} <br/>{@code void onStart()} <br/>{@code void onRestart()} <br/>{@code void onResume()} <br/>{@code void onPause()} <br/>{@code void onStop()} <br/>{@code void onDestroy()}</p>

<p>
 <code>{@link android.app.Activity#onCreate onCreate()}</code>  <code>{@link android.app.Activity#onPause onPause()}</code>
</p>

<div class="sidebox-wrapper">
<div class="sidebox">
<h2></h2>
<p>
   :
</p>

<pre>protected void onPause() {
    super.onPause();
    . . .
}</pre>
</div>
</div>


<p>
 7  3 :
</p>

<ul>
<li><b></b><code>{@link android.app.Activity#onCreate onCreate()}</code>  <code>{@link android.app.Activity#onDestroy}</code> {@code onCreate()} {@code onDestroy()} {@code onCreate()} {@code onDestroy()} </li>

<li><p><b></b><code>{@link android.app.Activity#onStart onStart()}</code>  <code>{@link android.app.Activity#onStop onStop()}</code>  2 {@code onStart()}  {@link android.content.BroadcastReceiver}  UI  {@code onStop()} {@code onStart()}  {@code onStop()} </p></li>

<li><p><b> </b><code>{@link android.app.Activity#onResume onResume()}</code>  <code>{@link android.app.Activity#onPause onPause()}</code>   {@code onPause()}  {@code onResume()} </p></li>
</ul>

<p>

<p>

<p style="margin-left: 2em"><img src="{@docRoot}images/activity_lifecycle.png"
alt="Android  "  /></p>

<p>
:
</p>

<table border="2" width="85%" frame="hsides" rules="rows">
<colgroup align="left" span="3"></colgroup>
<colgroup align="left"></colgroup>
<colgroup align="center"></colgroup>
<colgroup align="center"></colgroup>

<thead>
<tr><th colspan="3"></th> <th></th> <th></th> <th></th></tr>
</thead>

<tbody>
<tr>
  <td colspan="3" align="left"><code>{@link android.app.Activity#onCreate onCreate()}</code></td>
  <td>       Bundle <a href="#actstate"></a>
      <p> {@code onStart()} </p></td>
  <td align="center"></td>
      <td align="center">{@code onStart()}</td>
</tr>

<tr>
   <td rowspan="5" style="border-left: none; border-right: none;">&nbsp;&nbsp;&nbsp;&nbsp;</td>
   <td colspan="2" align="left"><code>{@link android.app.Activity#onRestart
onRestart()}</code></td>
   <td>
       <p> {@code onStart()} </p></td>
   <td align="center"></td>
   <td align="center">{@code onStart()}</td>
</tr>

<tr>
   <td colspan="2" align="left"><code>{@link android.app.Activity#onStart onStart()}</code></td>
   <td>
       <p> {@code onResume()}  {@code onStop()} </p></td>
    <td align="center"></td>
    <td align="center">{@code onResume()} <br/><br/>{@code onStop()}</td>
</tr>

<tr>
   <td rowspan="2" style="border-left: none;">&nbsp;&nbsp;&nbsp;&nbsp;</td>
   <td align="left"><code>{@link android.app.Activity#onResume onResume()}</code></td>
   <td>
       <p> {@code onPause()} </p></td>
   <td align="center"></td>
   <td align="center">{@code onPause()}</td>
</tr>

<tr>
   <td align="left"><code>{@link android.app.Activity#onPause onPause()}</code></td>
   <td> CPU
       <p> {@code onResume()}  {@code onStop()} </td>
   <td align="center"><strong style="color:#800000"></strong></td>
   <td align="center">{@code onResume()} <br/><br/>{@code onStop()}</td>
</tr>

<tr>
   <td colspan="2" align="left"><code>{@link android.app.Activity#onStop onStop()}</code></td>
   <td>
       <p> {@code onRestart()}  {@code onDestroy()} </p></td>
   <td align="center"><strong style="color:#800000"></strong></td>
   <td align="center">{@code onRestart()} <br/><br/>{@code onDestroy()}</td>
</tr>

<tr>
   <td colspan="3" align="left"><code>{@link android.app.Activity#onDestroy
onDestroy()}</code></td>
   <td><code>{@link android.app.Activity#finish
       finish()}</code>  2 <code>{@link
       android.app.Activity#isFinishing isFinishing()}</code> </td>
   <td align="center"><strong style="color:#800000"></strong></td>
   <td align="center"><em></em></td>
</tr>
</tbody>
</table>

<p>
<b></b><em></em>{@code onPause()}{@code onStop()} {@code onDestroy()}  3 1  {@code onPause()} {@code onStop()}  {@code onDestroy()}  {@code onPause()}
</p>

<p>
<b></b> {@code onPause()}  {@code onResume()}  {@code onPause()}
</p>

<p>
<a href="#proclife"></a>
</p>


<h4 id="actstate"></h4>

<p>

</p>

<p>
 <code>{@link android.app.Activity#onSaveInstanceState
onSaveInstanceState()}</code>  {@code onPause()} / {@link android.os.Bundle} Bundle  {@code onCreate()} {@code onStart()}  <code>{@link
android.app.Activity#onRestoreInstanceState onRestoreInstanceState()}</code>
</p>

<p>
{@code onSaveInstanceState()}  {@code onRestoreInstanceState()}  {@code onPause()}  {@code onSaveInstanceState()}  [[]]
</p>

<p>
{@code onSaveInstanceState()}  {@code onPause()}
</p>


<h4 id="coordact"></h4>

<p>

</p>

<p>
 2 :
</p>

<ol>
<li> {@code onPause()} </li>

<li> {@code onCreate()}{@code onStart()} {@code onResume()} </li>

<li> {@code onStop()} </li>
</ol>


<h3 id="servlife"></h3>

<p>
 2 :
</p>

<ul>
<li><code>{@link android.content.Context#startService Context.startService()}</code> <code>{@link android.content.Context#stopService Context.stopService()}</code>  <code>{@link android.app.Service#stopSelf() Service.stopSelf()}</code>  <code>{@link android.app.Service#stopSelfResult Service.stopSelfResult()}</code>  {@code startService()} {@code stopService()} </li>

<li><p> Service <code>{@link android.content.Context#bindService Context.bindService()}</code> <code>{@link android.content.Context#unbindService Context.unbindService()}</code>  {@code bindService()}
</p></li>
</ul>

<p>
 2 {@code startService()}  Intent  {@code startService()}  {@code bindService()} {@code stopService()}
</p>

<p>
 protected  public  3 :
</p>

<p style="margin-left: 2em">{@code void onCreate()} <br/>{@code void onStart(Intent <i>intent</i>)} <br/>{@code void onDestroy()}</p>

<p>
 2 :
</p>

<ul>
<li><b></b><code>{@link android.app.Service#onCreate onCreate()}</code> <code>{@link android.app.Service#onDestroy}</code>  {@code onCreate()} {@code onDestroy()} {@code onCreate()} {@code onDestroy()} </li>

<li><p><b> </b><code>{@link android.app.Service#onStart onStart()}</code> {@code startService()}  Intent  Intent </p>

<p>
 {@code onStop()}
</p></li>
</ul>

<p>
{@code onCreate()}  {@code onDestroy()}  <code>{@link android.content.Context#startService Context.startService()}</code>  <code>{@link android.content.Context#bindService Context.bindService()}</code> {@code onStart()}  {@code startService()}
</p>

<p>
 :
</p>

<p style="margin-left: 2em">{@code IBinder onBind(Intent <i>intent</i>)} <br/>{@code boolean onUnbind(Intent <i>intent</i>)} <br/>{@code void onRebind(Intent <i>intent</i>)}</p>

<p>
<code>{@link android.app.Service#onBind onBind()}</code>  {@code bindService()}  Intent <code>{@link android.app.Service#onUnbind onUnbind()}</code>  {@code unbindService()}  Intent  {@code onBind()} {@code onUnbind()}  <code>{@link android.app.Service#onRebind onRebind()}</code>
</p>

<p>
 {@code startService()} {@code bindService()}  {@code onBind()} {@code onUnbind()}
</p>

<p style="margin-left: 2em"><img src="{@docRoot}images/service_lifecycle.png"
alt=" "  /></p>


<h3 id="broadlife"> </h3>

<p>
   1 :
</p>

<p style="margin-left: 2em">{@code void onReceive(Context <i>curContext</i>, Intent <i>broadcastMsg</i>)}</p>

<p>
 <code>{@link android.content.BroadcastReceiver#onReceive onReceive()}</code>  Intent  {@code onReceive()}
</p>

<p>

</p>

<p>
   {@code onReceive()}  {@code onReceive()}
</p>

<p>

</p>


<h3 id="proclife"></h3>

<p>Android Android  2  3  5 :
</p>

<ol>

<li><b> </b> :

<ul>
<li>Activity  <code>{@link android.app.Activity#onResume
onResume()}</code> </li>

<li><p></p></li>

<li><p> <code>{@link android.app.Service#onCreate
onCreate()}</code><code>{@link android.app.Service#onStart onStart()}</code> <code>{@link android.app.Service#onDestroy onDestroy()}</code> {@link android.app.Service} </p></li>

<li><p><code>{@link android.content.BroadcastReceiver#onReceive
onReceive()}</code>  {@link android.content.BroadcastReceiver} </p></li>
</ul>

<p>

</p></li>

<li><p><b></b> :</p>

<ul>
<li> <code>{@link android.app.Activity#onPause onPause()}</code>  </li>

<li><p></p></li>
</ul>

<p>

</p></li>

<li><p><b> </b><code>{@link android.content.Context#startService startService()}</code>  2   MP3
</p></li>

<li><p><b> </b>Activity  <code>{@link android.app.Activity#onStop onStop()}</code>     LRUleast recently used
</p></li>

<li><p><b></b>    </p></li>

</ol>

<p>

</p>

<p>
 A   B  A  B  A  B
</p>

<p>
  Web  <a href="#broadlife"> </a>
</p>