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createState.html 6.1KB

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  24. <li class="self-crumb">createState method</li>
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  26. <div class="self-name">createState</div>
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  33. <h5>PageTouchPoints class</h5>
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  60. <h1>createState method</h1>
  61. <section class="multi-line-signature">
  62. <div>
  63. <ol class="annotation-list">
  64. <li>@override</li>
  65. </ol>
  66. </div>
  67. <span class="returntype">_PageTouchPointsState</span>
  68. <span class="name ">createState</span>
  69. (<wbr>)
  70. </section>
  71. <section class="desc markdown">
  72. <p>Creates the mutable state for this widget at a given location in the tree.</p>
  73. <p>Subclasses should override this method to return a newly created
  74. instance of their associated <code>State</code> subclass:</p>
  75. <pre class="language-dart"><code class="language-dart">@override
  76. _MyState createState() =&gt; _MyState();
  77. </code></pre>
  78. <p>The framework can call this method multiple times over the lifetime of
  79. a <code>StatefulWidget</code>. For example, if the widget is inserted into the tree
  80. in multiple locations, the framework will create a separate <code>State</code> object
  81. for each location. Similarly, if the widget is removed from the tree and
  82. later inserted into the tree again, the framework will call <a href="pages_PageTouchPoints/PageTouchPoints/createState.html">createState</a>
  83. again to create a fresh <code>State</code> object, simplifying the lifecycle of
  84. <code>State</code> objects.</p>
  85. </section>
  86. <section class="summary source-code" id="source">
  87. <h2><span>Implementation</span> </h2>
  88. <pre class="language-dart"><code class="language-dart">@override
  89. _PageTouchPointsState createState() =&gt; new _PageTouchPointsState();</code></pre>
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