2019獨角獸企業(yè)重金招聘Python工程師標準>>>

activity_main.xml

<LinearLayout?xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="fill_parent"android:layout_height="fill_parent"android:orientation="vertical"><Buttonandroid:id="@+id/head"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="測試用頂部"?/><LinearLayoutandroid:id="@+id/chart"android:layout_width="fill_parent"android:layout_height="wrap_content"android:layout_weight="1"android:orientation="horizontal"?/><LinearLayoutandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:orientation="horizontal"?><Buttonandroid:id="@+id/new_series"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="new_series"?/></LinearLayout></LinearLayout>

activity_main.xml(經(jīng)過測試 發(fā)現(xiàn)不需要 只有在圖表生成Intent跳轉(zhuǎn)新頁面的時候才需要添加這個 addView不需要 )

?<activity?android:name="org.achartengine.GraphicalActivity"?/>

MainActivity.java

package?com.example.chartdemo_31_3;import?java.util.Random;import?org.achartengine.ChartFactory; import?org.achartengine.chart.PointStyle; import?org.achartengine.model.XYMultipleSeriesDataset; import?org.achartengine.model.XYSeries; import?org.achartengine.renderer.XYMultipleSeriesRenderer; import?org.achartengine.renderer.XYSeriesRenderer;import?android.os.Bundle; import?android.app.Activity; import?android.graphics.Color; import?android.view.View; import?android.widget.LinearLayout;public?class?MainActivity?extends?Activity?{@Overrideprotected?void?onCreate(Bundle?savedInstanceState)?{super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//建立渲染器?XYMultipleSeriesRenderer?renderer?=?new?XYMultipleSeriesRenderer();//建立數(shù)據(jù)集XYMultipleSeriesDataset?dataset?=?new?XYMultipleSeriesDataset();//構(gòu)建數(shù)據(jù)Random?random?=?new?Random();for?(int?i?=?0;?i?<?2;?i++)//2條線{XYSeries?series?=?new?XYSeries("Test"+(i+1));//設置Title//填充數(shù)據(jù)?for?(int?j?=?0;?j?<?10;?j++){series.add(j,?20+random.nextInt()%100);//填加xy值}//把需要繪制的點放進dataset數(shù)據(jù)集中dataset.addSeries(series);}//對點的繪制進行設置XYSeriesRenderer?xySeriesRenderer?=?new?XYSeriesRenderer();//1設置顏色xySeriesRenderer.setColor(Color.GRAY);//2點的樣式xySeriesRenderer.setPointStyle(PointStyle.SQUARE);//3,?將要繪制的點添加到坐標繪制中renderer.addSeriesRenderer(xySeriesRenderer);xySeriesRenderer?=?new?XYSeriesRenderer();xySeriesRenderer.setColor(Color.BLUE);xySeriesRenderer.setPointStyle(PointStyle.CIRCLE);renderer.addSeriesRenderer(xySeriesRenderer);//????????renderer.setPanEnabled(false);//是否允許拖動//????????Intent?intent?=?ChartFactory.getLineChartIntent(this,?dataset,?renderer); //????????startActivity(intent);View?view?=?ChartFactory.getLineChartView(this,?dataset,?renderer);LinearLayout?linearLayout?=?(LinearLayout)?findViewById(R.id.chart);linearLayout.addView(view);}}

轉(zhuǎn)載于:https://my.oschina.net/mutouzhang/blog/214726

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