140 lines
6.5 KiB
HTML
140 lines
6.5 KiB
HTML
<!DOCTYPE html>
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<head>
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<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable=no">
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<meta name="description" content="API docs for the scrollBy method from the CameraUpdate class, for the Dart programming language.">
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<title>scrollBy method - CameraUpdate class - amap_map library - Dart API</title>
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<div id="overlay-under-drawer"></div>
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<header id="title">
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<button id="sidenav-left-toggle" type="button"> </button>
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<ol class="breadcrumbs gt-separated dark hidden-xs">
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<li><a href="../../index.html">amap_map</a></li>
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<li><a href="../../amap_map/amap_map-library.html">amap_map</a></li>
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<li><a href="../../amap_map/CameraUpdate-class.html">CameraUpdate</a></li>
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<li class="self-crumb">scrollBy method</li>
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</ol>
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<div class="self-name">scrollBy</div>
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</form>
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<ol class="breadcrumbs gt-separated dark hidden-l" id="sidebar-nav">
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<li><a href="../../index.html">amap_map</a></li>
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<li><a href="../../amap_map/amap_map-library.html">amap_map</a></li>
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<li><a href="../../amap_map/CameraUpdate-class.html">CameraUpdate</a></li>
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<li class="self-crumb">scrollBy method</li>
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</ol>
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<h5>CameraUpdate class</h5>
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<ol>
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<li class="section-title inherited">
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<a href="../../amap_map/CameraUpdate-class.html#instance-properties">Properties</a>
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</li>
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<li class="inherited"><a href="https://api.flutter.dev/flutter/dart-core/Object/hashCode.html">hashCode</a></li>
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<li class="inherited"><a href="https://api.flutter.dev/flutter/dart-core/Object/runtimeType.html">runtimeType</a></li>
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<li class="section-title"><a href="../../amap_map/CameraUpdate-class.html#instance-methods">Methods</a></li>
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<li class="inherited"><a href="https://api.flutter.dev/flutter/dart-core/Object/noSuchMethod.html">noSuchMethod</a></li>
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<li><a href="../../amap_map/CameraUpdate/toJson.html">toJson</a></li>
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<li class="inherited"><a href="https://api.flutter.dev/flutter/dart-core/Object/toString.html">toString</a></li>
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<li class="section-title inherited"><a href="../../amap_map/CameraUpdate-class.html#operators">Operators</a></li>
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<li class="inherited"><a href="https://api.flutter.dev/flutter/dart-core/Object/operator_equals.html">operator ==</a></li>
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<li class="section-title"><a href="../../amap_map/CameraUpdate-class.html#static-methods">Static methods</a></li>
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<li><a href="../../amap_map/CameraUpdate/newCameraPosition.html">newCameraPosition</a></li>
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<li><a href="../../amap_map/CameraUpdate/newLatLng.html">newLatLng</a></li>
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<li><a href="../../amap_map/CameraUpdate/newLatLngBounds.html">newLatLngBounds</a></li>
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<li><a href="../../amap_map/CameraUpdate/newLatLngZoom.html">newLatLngZoom</a></li>
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<li><a href="../../amap_map/CameraUpdate/scrollBy.html">scrollBy</a></li>
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<li><a href="../../amap_map/CameraUpdate/zoomIn.html">zoomIn</a></li>
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<li><a href="../../amap_map/CameraUpdate/zoomOut.html">zoomOut</a></li>
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<li><a href="../../amap_map/CameraUpdate/zoomTo.html">zoomTo</a></li>
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</ol>
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</div><!--/.sidebar-offcanvas-->
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<div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content">
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<div><h1><span class="kind-method">scrollBy</span> method </h1></div>
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<section class="multi-line-signature">
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<span class="returntype"><a href="../../amap_map/CameraUpdate-class.html">CameraUpdate</a></span>
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<span class="name ">scrollBy</span>
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(<wbr><ol class="parameter-list"><li><span class="parameter" id="scrollBy-param-dx"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/double-class.html">double</a></span> <span class="parameter-name">dx</span>, </span></li>
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<li><span class="parameter" id="scrollBy-param-dy"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/double-class.html">double</a></span> <span class="parameter-name">dy</span></span></li>
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</ol>)
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</section>
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<section class="desc markdown">
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<p>按照指定到像素点<code>dx</code>和<code>dy</code>移动地图中心点</p>
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<p><code>dx</code>是水平移动的像素数。正值代表可视区域向右移动，负值代表可视区域向左移动</p>
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<p><code>dy</code>是垂直移动的像素数。正值代表可视区域向下移动，负值代表可视区域向上移动</p>
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<p>返回包含x，y方向上移动像素数的cameraUpdate对象。</p>
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</section>
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<section class="summary source-code" id="source">
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<h2><span>Implementation</span></h2>
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<pre class="language-dart"><code class="language-dart">static CameraUpdate scrollBy(double dx, double dy) {
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return CameraUpdate._(
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<dynamic>['scrollBy', dx, dy],
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);
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}</code></pre>
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</section>
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</div> <!-- /.main-content -->
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<footer>
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<span class="no-break">
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amap_map
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1.1.0
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