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POHow to define Android GraphView in the layout file?
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  1. POHow to define Android GraphView in the layout file?
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    copied!<p><a href="http://www.jjoe64.com/p/graphview-library.html" rel="nofollow">GraphView</a> library for Android has a GraphView class, which is a View for creating graphs. This abstract class extends LinearLayout, so you can include a graph in layout by nesting LinearLayouts, like this:</p> <p>xml layout:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/mainLayout"&gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Hello World!" /&gt; &lt;LinearLayout android:id="@+id/subLayout" android:layout_width="wrap_content" android:layout_height="wrap_content" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>MainActivity.java:</p> <pre><code>public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); GraphViewData[] data = new GraphViewData[num]; double v = 0; for (int i = 0; i &lt; 10; i++) { v += 0.1; data[i] = new GraphViewData(i, Math.sin(v)); } GraphViewSeries seriesSin = new GraphViewSeries("Sinus", null, data); GraphView graphView = new LineGraphView(this, "DemoGraphView"); graphView.addSeries(seriesSin); graphView.setViewPort(2, 10); LinearLayout layout = (LinearLayout) findViewById(R.id.subLayout); layout.addView(graphView); } } </code></pre> <p>I nest LinearLayouts now but maybe there is a better way to include a graph in the layout file, eg. just like you place TextView or Button views?</p>
 

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