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| <meta itemprop="name" content="MainThread"> |
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| <h1>MainThread</h1> |
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| <div id="source-link"><a href="https://cs.android.com/search?q=file:androidx/annotation/MainThread.kt+class:androidx.annotation.MainThread&ss=androidx/platform/frameworks/support" class="external">View Source</a></div> |
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| <pre>@<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.annotation/-must-be-documented/index.html">MustBeDocumented</a><br>@<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.annotation/-retention/index.html">Retention</a>(value = AnnotationRetention.BINARY)<br>@<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.annotation/-target/index.html">Target</a>(allowedTargets = [AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER, AnnotationTarget.CONSTRUCTOR, AnnotationTarget.ANNOTATION_CLASS, AnnotationTarget.CLASS, AnnotationTarget.VALUE_PARAMETER])<br>public annotation <a href="/reference/androidx/annotation/MainThread.html">MainThread</a></pre> |
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| <p>Denotes that the annotated method should only be called on the main thread. If the annotated element is a class, then all methods in the class should be called on the main thread.</p> |
| <p>Example:</p> |
| <pre class="prettyprint">@MainThread<br>public void deliverResult(D data) { ... }</pre> |
| <p><b>Note:</b> Ordinarily, an app's main thread is also the UI thread. However, under special circumstances, an app's main thread might not be its UI thread; for more information, see <a href="https://developer.android.com/studio/write/annotations#thread-annotations">Thread annotations</a>.</p> |
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| <th colspan="100%">See also</th> |
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| <td><code><a href="/reference/androidx/annotation/UiThread.html">UiThread</a></code></td> |
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| <h2>Summary</h2> |
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| <div><code><a href="/reference/androidx/annotation/MainThread.html#MainThread()">MainThread</a>()</code></div> |
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| <h2>Public constructors</h2> |
| <div class="api-item"><a name="MainThread--"></a><a name="mainthread"></a> |
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| <h3 id="MainThread()">MainThread</h3> |
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| <pre class="api-signature no-pretty-print">public <a href="/reference/androidx/annotation/MainThread.html#MainThread()">MainThread</a>()</pre> |
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