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| <title>FragmentManager.OnBackStackChangedListener</title> |
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| <h1>FragmentManager.OnBackStackChangedListener</h1> |
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| <p> |
| <pre>interface FragmentManager.OnBackStackChangedListener</pre> |
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| <hr> |
| <p>Interface to watch for changes to the back stack.</p> |
| <h2>Summary</h2> |
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| <th colspan="2"><h3>Public methods</h3></th> |
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| <td><code>abstract void</code></td> |
| <td width="100%"> |
| <div><code><a href="/reference/androidx/fragment/app/FragmentManager.OnBackStackChangedListener.html#onBackStackChanged()">onBackStackChanged</a>()</code></div> |
| <p>Called whenever the contents of the back stack change.</p> |
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| <h2>Public methods</h2> |
| <div><a name="onBackStackChanged--"></a> |
| <h3 class="api-name" id="onBackStackChanged()">onBackStackChanged</h3> |
| <pre class="api-signature no-pretty-print">public abstract void <a href="/reference/androidx/fragment/app/FragmentManager.OnBackStackChangedListener.html#onBackStackChanged()">onBackStackChanged</a>()</pre> |
| <p>Called whenever the contents of the back stack change.</p> |
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