topics/ui/multi-window.jd

page.title=
page.metaDescription=Android N       .
page.keywords="multi-window", "android N", "split screen", "free-form"

@jd:body

<div id="tb-wrapper">
  <div id="tb">
    <h2>  </h2>
      <ol>
        <li><a href="#overview"></a></li>
        <li><a href="#lifecycle">   </a></li>
        <li><a href="#configuring">
 </a></li>
        <li><a href="#running">    </a></li>
        <li><a href="#testing">    </a></li>
      </ol>
    <h2> </h2>
      <ol>
        <li><a class="external-link" href="https://github.com/googlesamples/android-MultiWindowPlayground">
   </a></li>
        <li><a class="external-link" href="https://medium.com/google-developers/5-tips-for-preparing-for-multi-window-in-android-n-7bed803dda64">Android N     5 </a></li>
      </ol>
  </div>
</div>

<p>
  Android N
.      <em> </em>
     . TV
<em>PIP(Picture-In-Picture)</em>
     .
</p>

<p>
  N Preview SDK   ,
     .  ,
     .
      ,
.
</p>

<h2 id="overview"></h2>

<p>
  Android N       .  ,

 .
.
</p>

<ul>
  <li>Android N
 .        ,
    .
    .
  </li>

  <li>Android N  Nexus Player,
<a href="picture-in-picture.html">PIP </a>   ,

  .
  </li>

  <li>
   ,          .    ,

.
  </li>
</ul>

<img src="{@docRoot}images/android-7.0/mw-splitscreen.png" alt="" width="650" srcset="{@docRoot}images/android-7.0/mw-splitscreen.png 1x,
    {@docRoot}images/android-7.0/mw-splitscreen_2x.png 2x," id="img-split-screen" />
<p class="img-caption">
  <strong> 1.</strong>        .
</p>

<p>
          .
</p>

<ul>
  <li> <a href="{@docRoot}guide/components/recents.html">Overview
</a>     ,

     .
  </li>

  <li> Overview   ,
    Overview  ,
       .
  </li>
</ul>

<p>

    <a href="{@docRoot}guide/topics/ui/drag-drop.html">  </a>
 . (,
     .)
</p>

<h2 id="lifecycle">   </h2>

<p>
     <a href="{@docRoot}training/basics/activity-lifecycle/index.html">
 </a>  .
</p>

<p>
    ,
  .   <em></em> .
         .

      .       ,

.
</p>

<p class="note">
  <strong>:</strong>
   .
   .  ,
      .  ,
  {@link android.app.Activity#onPause onPause()}
   <em></em>  .
   , {@link android.app.Activity#onStop
  onStop()}   , {@link android.app.Activity#onStart
  onStart()}   .
</p>

<p>

, <a href="{@docRoot}guide/topics/resources/runtime-changes.html">  </a>  ,
.
       .
  ,   -

     (
     ). <a href="{@docRoot}guide/topics/resources/runtime-changes.html">  </a>
,     ,

.
</p>

<p>

,
 <a href="{@docRoot}guide/topics/resources/runtime-changes.html"> </a> .         ,  {@link
  android.R.attr#windowBackground windowBackground}
<code>windowBackgroundFallback</code>
     .
</p>

<h2 id="configuring">    </h2>

<p>
   Android N   ,
        .
 .

  .  ,
<code>android:resizeableActivity</code> true  ,
   .
</p>

<p class="note">
  <strong>:</strong> Android N    SDK
     ,
    .
  .
    <em></em>.
        ,
   .
</p>

<h4 id="resizeableActivity">android:resizeableActivity</h4>
<p>
   <code>&lt;activity&gt;</code>
<code>&lt;application&gt;</code>
  .
</p>

<pre>
android:resizeableActivity=["true" | "false"]
</pre>

<p>
    true ,
   .   false ,
.   false
     ,
.
</p>

<p>
   Android N
 ,    true .
</p>

<h4 id="supportsPictureInPicture">android:supportsPictureInPicture</h4>

<p>
     <code>&lt;activity&gt;</code>
 PIP    . <code>android:resizeableActivity</code> false
.
</p>

<pre>
android:supportsPictureInPicture=["true" | "false"]
</pre>

<h3 id="layout"> </h3>

<p>
  Android N <code>&lt;layout&gt;</code>

  .
</p>

<dl>
  <dt>
    <code>android:defaultWidth</code>
  </dt>

  <dd>
          .
  </dd>

  <dt>
    <code>android:defaultHeight</code>
  </dt>

  <dd>
          .
  </dd>

  <dt>
    <code>android:gravity</code>
  </dt>

  <dd>
          .
{@link android.view.Gravity}  .
  </dd>

  <dt>
    <code>android:minimalHeight</code>, <code>android:minimalWidth</code>
  </dt>

  <dd>

         .
     ,
     .
  </dd>
</dl>

<p>
   ,

  .
</p>

<pre>
&lt;activity android:name=".MyActivity"&gt;
    &lt;layout android:defaultHeight="500dp"
          android:defaultWidth="600dp"
          android:gravity="top|end"
          android:minimalHeight="450dp"
          android:minimalWidth="300dp" /&gt;
&lt;/activity&gt;
</pre>

<h2 id="running">    </h2>

<p>
  Android N
 .
</p>

<h3 id="disabled-features">    </h3>

<p>

,
      .    .

<ul>
  <li> <a href="{@docRoot}training/system-ui/index.html"> UI</a>
   .  ,
      .
  </li>

  <li> <code><a href=
  "{@docRoot}guide/topics/manifest/activity-element.html#screen"
  >android:screenOrientation</a></code>   .
  </li>
</ul>

<h3 id="change-notification">     </h3>

<p>
           {@link android.app.Activity}
  .
<a href="{@docRoot}preview/setup-sdk.html#docs-dl">N Preview SDK
</a> .
</p>

<dl>
  <dt>
    <code>Activity.isInMultiWindowMode()</code>
  </dt>

  <dd>
            .
  </dd>

  <dt>
    <code>Activity.isInPictureInPictureMode()</code>
  </dt>

  <dd>
     PIP      .

    <p class="note">
      <strong>:</strong> PIP
 . <code>myActivity.isInPictureInPictureMode()</code>
true  <code>myActivity.isInMultiWindowMode()</code>
 true .
    </p>
  </dd>

  <dt>
    <code>Activity.onMultiWindowModeChanged()</code>
  </dt>

  <dd>

       .
   true   ,
   false  .
  </dd>

  <dt>
    <code>Activity.onPictureInPictureModeChanged()</code>
  </dt>

  <dd>
      PIP
       .   PIP
 true   ,  PIP
 false  .
  </dd>
</dl>

<p>
      {@link android.app.Fragment}
(: <code>Fragment.isInMultiWindowMode()</code>).
</p>

<h3 id="entering-pip">PIP  </h3>

<p>
   PIP  ,
<code>Activity.enterPictureInPictureMode()</code> .  PIP
  .
<a href="picture-in-picture.html">PIP</a>  .
</p>

<h3 id="launch">     </h3>

<p>
     ,
       .
,
<code>Intent.FLAG_ACTIVITY_LAUNCH_TO_ADJACENT</code> .
   .
</p>

<ul>
  <li>     ,
       ,
 .
 ,    .
  </li>

  <li>    ,     .
  </li>
</ul>

<p>
          ,
<code>ActivityOptions.setLaunchBounds()</code>
  .      ,
 .
</p>

<p class="note">
  <strong>:</strong>      ,
    ,
.        ,
     .
</p>

<h3 id="dnd">   </h3>

<p>

         <a href="{@docRoot}guide/topics/ui/drag-drop.html">  </a>
 . (,
  .)  ,
    .
</p>

<p>
  N Preview SDK        <a href="{@docRoot}reference/android/view/package-summary.html"><code>android.view</code></a>
 .
, <a href="{@docRoot}preview/setup-sdk.html#docs-dl">N Preview
SDK </a> .
</p>

<dl>
  <dt>
    <code>android.view.DropPermissions</code>
  </dt>

  <dd>

  .
  </dd>

  <dt>
    <code>View.startDragAndDrop()</code>
  </dt>

  <dd>
    {@link android.view.View#startDrag View.startDrag()}  .      ,
<code>View.DRAG_FLAG_GLOBAL</code>
.   URI
  ,
<code>View.DRAG_FLAG_GLOBAL_URI_READ</code>
<code>View.DRAG_FLAG_GLOBAL_URI_WRITE</code>  .
  </dd>

  <dt>
    <code>View.cancelDragAndDrop()</code>
  </dt>

  <dd>
         .
    .
  </dd>

  <dt>
    <code>View.updateDragShadow()</code>
  </dt>

  <dd>
           .
    .
  </dd>

  <dt>
    <code>Activity.requestDropPermissions()</code>
  </dt>

  <dd>
    {@link android.view.DragEvent}  {@link
android.content.ClipData}   URI  .
  </dd>
</dl>

<h2 id="testing">    </h2>

<p>
   Android N   ,
Android N
  ,        .
</p>

<h3 id="configuring">  </h3>

<p>
   Android N ,
 .
</p>

<h3 id="test-non-n"> N Preview SDK   </h3>

<p>
   N Preview SDK
      ,
     .
</p>

<p>
       , Android N
     ,
  .
 .
</p>

<p>
      ,
  .
.
</p>

<h3 id="test-mw">    </h3>

<p>
  N Preview SDK
 ,
  .
</p>

<ul>
  <li>     , Overview
   .    .
  </li>

  <li>     ,
 .     , Overview

    .
  </li>

  <li>       .
        ,
UI   .
  </li>

  <li>    ,
 .
 .
  </li>

  <li>      .  ,
    UI
   .
  </li>
</ul>

<h4 id="test-checklist">  </h4>

<p>
       ,
  .    ,
     .
</p>

<ul>
  <li>    .
  </li>

  <li>    ,
     .  ,     ,

.
  </li>

  <li>  ,
  .
  .    ,
,
.
  </li>

  <li>       .
 .
  <a href="{@docRoot}tools/debugging/debugging-memory.html">RAM
</a> .
  </li>

  <li>
,     .     ,
UI      .
  </li>
</ul>

<h3 id="test-disabled-mw">    </h3>

<p>
  <code>android:resizableActivity="false"</code>
    , Android N
  ,
   .
.
</p>