media/docs/doc/reference/com/google/android/exoplayer2/scheduler/Scheduler.html
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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2.scheduler</a></div>
<h2 title="Interface Scheduler" class="title">Interface Scheduler</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><code><a href="PlatformScheduler.html" title="class in com.google.android.exoplayer2.scheduler">PlatformScheduler</a></code>, <code><a href="../ext/workmanager/WorkManagerScheduler.html" title="class in com.google.android.exoplayer2.ext.workmanager">WorkManagerScheduler</a></code></dd>
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<pre>public interface <span class="typeNameLabel">Scheduler</span></pre>
<div class="block">Schedules a service to be started in the foreground when some <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a> are met.</div>
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<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cancel()">cancel</a></span>()</code></th>
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<div class="block">Cancels anything that was previously scheduled, or else does nothing.</div>
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<td class="colFirst"><code><a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSupportedRequirements(com.google.android.exoplayer2.scheduler.Requirements)">getSupportedRequirements</a></span>&#8203;(<a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a>&nbsp;requirements)</code></th>
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<div class="block">Checks whether this <a href="Scheduler.html" title="interface in com.google.android.exoplayer2.scheduler"><code>Scheduler</code></a> supports the provided <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a>.</div>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#schedule(com.google.android.exoplayer2.scheduler.Requirements,java.lang.String,java.lang.String)">schedule</a></span>&#8203;(<a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a>&nbsp;requirements,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;servicePackage,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;serviceAction)</code></th>
<td class="colLast">
<div class="block">Schedules a service to be started in the foreground when some <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a> are met.</div>
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<h4>schedule</h4>
<pre class="methodSignature">boolean&nbsp;schedule&#8203;(<a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a>&nbsp;requirements,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;servicePackage,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;serviceAction)</pre>
<div class="block">Schedules a service to be started in the foreground when some <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a> are met.
Anything that was previously scheduled will be canceled.
<p>The service to be started must be declared in the manifest of <code>servicePackage</code> with an
intent filter containing <code>serviceAction</code>. Note that when started with <code>
serviceAction</code>, the service must call <a href="https://developer.android.com/reference/android/app/Service.html#startForeground(int,android.app.Notification)" title="class or interface in android.app" class="externalLink" target="_top"><code>Service.startForeground(int, Notification)</code></a> to
make itself a foreground service, as documented by <a href="https://developer.android.com/reference/android/content/ContextWrapper.html#startForegroundService(android.content.Intent)" title="class or interface in android.content" class="externalLink" target="_top"><code>ContextWrapper.startForegroundService(Intent)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>requirements</code> - The requirements.</dd>
<dd><code>servicePackage</code> - The package name.</dd>
<dd><code>serviceAction</code> - The action with which the service will be started.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether scheduling was successful.</dd>
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<h4>cancel</h4>
<pre class="methodSignature">boolean&nbsp;cancel()</pre>
<div class="block">Cancels anything that was previously scheduled, or else does nothing.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether cancellation was successful.</dd>
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<h4>getSupportedRequirements</h4>
<pre class="methodSignature"><a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a>&nbsp;getSupportedRequirements&#8203;(<a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler">Requirements</a>&nbsp;requirements)</pre>
<div class="block">Checks whether this <a href="Scheduler.html" title="interface in com.google.android.exoplayer2.scheduler"><code>Scheduler</code></a> supports the provided <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a>. If all of the
requirements are supported then the same <a href="Requirements.html" title="class in com.google.android.exoplayer2.scheduler"><code>Requirements</code></a> instance is returned. If not then
a new instance is returned containing the subset of the requirements that are supported.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>requirements</code> - The requirements to check.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The supported requirements.</dd>
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