guide/components/fundamentals.jd

page.title=
@jd:body

<div id="qv-wrapper">
<div id="qv">

<h2></h2>
<ol>
<li><a href="#Components"></a>
  <ol>
    <li><a href="#ActivatingComponents"></a></li>
  </ol>
</li>
<li><a href="#Manifest"></a>
  <ol>
    <li><a href="#DeclaringComponents"></a></li>
    <li><a href="#DeclaringRequirements"></a></li>
  </ol>
</li>
<li><a href="#Resources"></a></li>
</ol>
</div>
</div>

<p>Android  Java Android SDK  &mdash;  &mdash;  APK (
 <i>Android </i> {@code .apk} )
APK  Android  Android
</p>

<p>Android  </p>

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

<li> Linux  ID ( ID)
 ID
 </li>

<li> (VM)
</li>

<li> Linux Android

</li>
</ul>

<p>Android <em></em>


</p>

<p>
</p>

<ul>
  <li> Linux  ID
 ID  Linux  VM ()

</li>
  <li> ( (SD ))

</li>
</ul>

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


<h2 id="Components"></h2>

<p> Android   &mdash;


</p>

<p> 4
</p>

<p> 4 </p>

<dl>

<dt><b>Activity</b></dt>

<dd> <i>Activity</i>  Activity Activity Activity

 Activity  Activity

 Activity ()
 Activity


<p>Activity  {@link android.app.Activity}  <a href="{@docRoot}guide/components/activities.html">Activity</a>

</p>
</dd>


<dt><b></b></dt>

<dd> <i></i>

 Activity

 ( Activity)  Activity


<p> {@link android.app.Service} <a href="{@docRoot}guide/components/services.html"></a>

</p>
</dd>


<dt><b></b></dt>

<dd> <i></i> SQLite

 ()
Android
 ( {@link
android.provider.ContactsContract.Data})


<p>
<a href="{@docRoot}resources/samples/NotePad/index.html">Note Pad</a>
</p>

<p> {@link android.content.ContentProvider}  API

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


<dt><b></b></dt>

<dd> <i></i>
 &mdash;  &mdash;


<a href="{@docRoot}guide/topics/ui/notifiers/notifications.html"></a>


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

</dl>


<p>Android
 () Activity

 Activity


 Activity
</p>

<p> ()
 Activity Activity Android  ( {@code main()} )


</p>

<p> ()  Android

<em></em>

</p>


<h3 id="ActivatingComponents"></h3>

<p>4  3  &mdash; Activity &mdash; <em></em> ()


</p>

<p> {@link android.content.Intent} <em></em> &mdash;

</p>

<p> Activity  () URI ()

 Activity
 Activity  Activity {@link android.content.Intent}  ( &mdash;  URI )


</p>

<p> ()

</p>

<p> {@link android.content.ContentResolver}
 {@link
android.content.ContentResolver}

 ()
</p>

<p></p>
<ul>
  <li> {@link android.content.Intent}  {@link android.content.Context#startActivity
startActivity()}  {@link android.app.Activity#startActivityForResult startActivityForResult()}( Activity )  Activity ( Activity)

</li>
  <li> {@link android.content.Intent}  {@link android.content.Context#startService
startService()} ()
 {@link android.content.Intent}
{@link android.content.Context#bindService bindService()} </li>
  <li> {@link android.content.Intent}
{@link android.content.Context#sendBroadcast(Intent) sendBroadcast()}{@link
android.content.Context#sendOrderedBroadcast(Intent, String) sendOrderedBroadcast()}  {@link
android.content.Context#sendStickyBroadcast sendStickyBroadcast()} </li>
  <li> {@link android.content.ContentResolver} {@link
android.content.ContentProvider#query query()} </li>
</ul>

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

<a href="{@docRoot}guide/components/activities.html">Activity</a><a href="{@docRoot}guide/components/services.html"></a>{@link
android.content.BroadcastReceiver} <a href="{@docRoot}guide/topics/providers/content-providers.html"></a></p>


<h2 id="Manifest"></h2>

<p>Android  {@code AndroidManifest.xml}  ()


</p>

<p>
</p>
<ul>
  <li>
</li>
  <li> API <a href="{@docRoot}guide/topics/manifest/uses-sdk-element.html#ApiLevels">API </a>
</li>
  <li>
</li>
  <li> API  ( Android API ) <a href="http://code.google.com/android/add-ons/google-apis/maps-overview.html">Google </a>

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


<h3 id="DeclaringComponents"></h3>

<p> Activity
 </p>

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

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

</p>

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

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

<p> Activity
 (
{@link android.content.BroadcastReceiver} ) {@link android.content.Context#registerReceiver registerReceiver()}


</p>

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


<h3 id="DeclaringComponentCapabilities"></h3>

<p><a href="#ActivatingComponents"></a>
{@link android.content.Intent}  Activity ()
<em></em>
 ()


</p>

<p>
<i></i>
</p>

<p> Activity  Activity  Activity

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

<p> Activity  ()
</p>
<pre>
&lt;manifest ... >
    ...
    &lt;application ... &gt;
        &lt;activity android:name="com.example.project.ComposeEmailActivity">
            &lt;intent-filter>
                &lt;action android:name="android.intent.action.SEND" />
                &lt;data android:type="*/*" />
                &lt;category android:name="android.intent.category.DEFAULT" />
            &lt;/intent-filter>
        &lt;/activity>
    &lt;/application&gt;
&lt;/manifest>
</pre>

<p> {@link
android.content.Intent#ACTION_SEND}  {@link android.app.Activity#startActivity
startActivity()} Activity
</p>

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


<h3 id="DeclaringRequirements"></h3>

<p> Android


 Google Play

</p>

<p> Android 2.1 (<a href="{@docRoot}guide/topics/manifest/uses-sdk-element.html#ApiLevels">API </a> 7)  API
</p>

<pre>
&lt;manifest ... >
    &lt;uses-feature android:name="android.hardware.camera.any"
                  android:required="true" />
    &lt;uses-sdk android:minSdkVersion="7" android:targetSdkVersion="19" />
    ...
&lt;/manifest>
</pre>

<p><em></em> Android 2.1<em></em> Google Play
</p>

<p><em></em>
 <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html#required">{@code required}</a> {@code "false"}

</p>

<p><a href="{@docRoot}guide/practices/compatibility.html"></a>

</p>


<h2 id="Resources"></h2>

<p>Android  &mdash;  XML  Activity


 &mdash;  &mdash;  ()


</p>

<p> Android SDK  ID XML

 {@code
logo.png}  ( {@code res/drawable/} )SDK  {@code R.drawable.logo}  ID

</p>

<p>

 XML
<em></em> ( {@code res/values-fr/})Android  UI


</p>

<p>Android <em></em>

 Activity  ()

 () ()


</p>

<p><a href="{@docRoot}guide/topics/resources/providing-resources.html"></a>
</p>


<div class="next-docs">
<div class="col-6">
  <h2 class="norule"></h2>
  <dl>
    <dt><a href="{@docRoot}guide/components/intents-filters.html"></a>
    </dt>
    <dd> {@link android.content.Intent} API  ( Activity )

</dd>
    <dt><a href="{@docRoot}guide/components/activities.html">Activity</a></dt>
    <dd> {@link android.app.Activity}
</dd>
    <dt><a href="{@docRoot}guide/topics/resources/providing-resources.html"></a></dt>
    <dd> Android


    </dd>
  </dl>
</div>
<div class="col-6">
  <h2 class="norule"></h2>
  <dl>
    <dt><a href="{@docRoot}guide/practices/compatibility.html"></a></dt>
    <dd> Android

</dd>
    <dt><a href="{@docRoot}guide/topics/security/permissions.html"></a></dt>
    <dd> Android  API
</dd>
  </dl>
</div>
</div>