容桂微信网站建设,做外汇模拟的网站,做搬家网站推广在那好,花蝴蝶在线观看免费版高清最近做室内定位需要绘出加速度传感器输出的三个方向的加速度曲线#xff0c;找到了开源https://github.com/jjoe64/GraphView-Demos#xff0c;省去了要重新学MatLab **。
在http://www.android-graphview.org/download--getting-started.html下载.jar包。
1、GraphView的使…最近做室内定位需要绘出加速度传感器输出的三个方向的加速度曲线找到了开源https://github.com/jjoe64/GraphView-Demos省去了要重新学MatLab **。
在http://www.android-graphview.org/download--getting-started.html下载.jar包。
1、GraphView的使用和普通View的使用相同。在Layout中 com.jjoe64.graphview.GraphViewandroid:layout_widthmatch_parentandroid:layout_height200dipandroid:idid/graph /2、支持三种图表Line和Bar、Point。span stylewhite-space:pre /spanGraphView graph (GraphView) findViewById(R.id.graph);LineGraphSeriesDataPoint series new LineGraphSeriesDataPoint(new DataPoint[] {new DataPoint(0, 1),new DataPoint(1, 5),new DataPoint(2, 3),new DataPoint(3, 2),new DataPoint(4, 6)});
span stylewhite-space:pre /spangraph.addSeries(series);GraphView graph (GraphView) rootView.findViewById(R.id.graph);BarGraphSeriesDataPoint series new BarGraphSeriesDataPoint(new DataPoint[] {new DataPoint(0, -2),new DataPoint(1, 5),new DataPoint(2, 3),new DataPoint(3, 2),new DataPoint(4, 6)});series.setSpacing(30);graph.addSeries(series);span stylewhite-space:pre /spanPointsGraphSeriesDataPoint series3 new PointsGraphSeriesDataPoint(new DataPoint[] {new DataPoint(0, 0),new DataPoint(1, 3),new DataPoint(2, 1),new DataPoint(3, 0),new DataPoint(4, 4)});graph.addSeries(series3);series3.setShape(PointsGraphSeries.Shape.TRIANGLE);//设置点的形状series3.setColor(Color.YELLOW);也可以在XML中使用但通过.jar包的不支持此功能。 com.jjoe64.graphview.helper.GraphViewXMLandroid:layout_widthmatch_parentandroid:layout_height100dipapp:seriesData05;25;30;42app:seriesTypelineapp:seriesColor#ee0000 /3、设置各种属性设置每条曲线的标注 span stylewhite-space:pre /spangraph.getLegendRenderer().setVisible(true);graph.getLegendRenderer().setAlign(LegendRenderer.LegendAlign.TOP);//右上角对每条线注释graph.getLegendRenderer().setTextColor(Color.WHITE);//标注字的颜色series.setTitle(foo);series1.setTitle(bar);设置轴的数据显示格式span stylewhite-space:pre /span//设置轴分割数字格式NumberFormat nf NumberFormat.getInstance();nf.setMinimumFractionDigits(1);//小数位数nf.setMinimumIntegerDigits(2);//整数部分位数graph.getGridLabelRenderer().setLabelFormatter(new DefaultLabelFormatter(nf, nf));自定义画笔span stylewhite-space:pre /span//自定义画笔Paint paint new Paint();paint.setStyle(Paint.Style.STROKE);paint.setStrokeWidth(10);paint.setPathEffect(new DashPathEffect(new float[]{8, 5}, 0));series1.setCustomPaint(paint);点击事件span stylewhite-space:pre /span//线条点击事件series.setOnDataPointTapListener(new OnDataPointTapListener() {Overridepublic void onTap(Series series, DataPointInterface dataPoint) {Toast.makeText(MainActivity.this, Series1: On Data Point clicked: dataPoint, Toast.LENGTH_SHORT).show();}});设置表格分割线颜色graph.getGridLabelRenderer().setGridColor(Color.WHITE);//表格颜色实例展示自定义轴标签 graph.getGridLabelRenderer().setLabelFormatter(new DefaultLabelFormatter() {Overridepublic String formatLabel(double value, boolean isValueX) {if (isValueX) {// show normal x valuesreturn super.formatLabel(value, isValueX);} else {// show currency for y valuesreturn super.formatLabel(value, isValueX) *;}}});X轴设置为时间// generate DatesCalendar calendar Calendar.getInstance();Date d1 calendar.getTime();calendar.add(Calendar.DATE, 1);Date d2 calendar.getTime();calendar.add(Calendar.DATE, 1);Date d3 calendar.getTime();GraphView graph (GraphView) rootView.findViewById(R.id.graph);// you can directly pass Date objects to DataPoint-Constructor// this will convert the Date to double via Date#getTime()LineGraphSeriesDataPoint series new LineGraphSeriesDataPoint(new DataPoint[] {new DataPoint(d1, 1),new DataPoint(d2, 5),new DataPoint(d3, 3)});graph.addSeries(series);// set date label formattergraph.getGridLabelRenderer().setLabelFormatter(new DateAsXAxisLabelFormatter(getActivity()));graph.getGridLabelRenderer().setNumHorizontalLabels(3); // only 4 because of the space// set manual x bounds to have nice stepsgraph.getViewport().setMinX(d1.getTime());graph.getViewport().setMaxX(d3.getTime());graph.getViewport().setXAxisBoundsManual(true);// as we use dates as labels, the human rounding to nice readable numbers// is not nessecarygraph.getGridLabelRenderer().setHumanRounding(false);设置X、Y轴 Bounds // set manual X boundsgraph.getViewport().setXAxisBoundsManual(true);graph.getViewport().setMinX(0.5);graph.getViewport().setMaxX(3.5);// set manual Y boundsgraph.getViewport().setYAxisBoundsManual(true);graph.getViewport().setMinY(3.5);graph.getViewport().setMaxY(8);设置图表可以缩放 // enable scalinggraph.getViewport().setScalable(true);设置Y轴可以Auto图表可以横向滑动// enable scrollinggraph.getViewport().setScrollable(true);这只左右两个Y轴// set second scalegraph.getSecondScale().addSeries(series2);// the y bounds are always manual for second scalegraph.getSecondScale().setMinY(0);graph.getSecondScale().setMaxY(100);series2.setColor(Color.RED);graph.getGridLabelRenderer().setVerticalLabelsSecondScaleColor(Color.RED);// legendseries.setTitle(foo);series2.setTitle(bar);graph.getLegendRenderer().setVisible(true);graph.getLegendRenderer().setAlign(LegendRenderer.LegendAlign.TOP);graph.getViewport().setBackgroundColor(Color.GRAY);使用 staticLables: // use static labels for horizontal and vertical labelsStaticLabelsFormatter staticLabelsFormatter new StaticLabelsFormatter(graph);staticLabelsFormatter.setHorizontalLabels(new String[] {old, middle, new});staticLabelsFormatter.setVerticalLabels(new String[] {low, middle, high});graph.getGridLabelRenderer().setLabelFormatter(staticLabelsFormatter);设置轴Lables // titlesgraph.setTitle(Chart Title);graph.getGridLabelRenderer().setVerticalAxisTitle(Vertical Axis);graph.getGridLabelRenderer().setHorizontalAxisTitle(Horizontal Axis);标签、背景色、字体、字大小、颜色....Styling // styling grid/labelsgraph.getGridLabelRenderer().setGridColor(Color.RED);graph.getGridLabelRenderer().setHighlightZeroLines(false);graph.getGridLabelRenderer().setHorizontalLabelsColor(Color.GREEN);//水平轴字体颜色graph.getGridLabelRenderer().setVerticalLabelsColor(Color.RED);//垂直轴字颜色graph.getGridLabelRenderer().setVerticalLabelsAlign(Paint.Align.LEFT);graph.getGridLabelRenderer().setLabelVerticalWidth(150);graph.getGridLabelRenderer().setTextSize(40);//字大小graph.getGridLabelRenderer().setGridStyle(GridLabelRenderer.GridStyle.HORIZONTAL);//表格样式水平线graph.getGridLabelRenderer().reloadStyles();graph.getGridLabelRenderer().setHorizontalLabelsAngle(120);//水平轴标签倾斜角// styling viewportgraph.getViewport().setBackgroundColor(Color.argb(255, 222, 222, 222));//图表背景色graph.getViewport().setDrawBorder(true);graph.getViewport().setBorderColor(Color.BLUE);// styling seriesseries.setTitle(Random Curve 1);series.setColor(Color.GREEN);series.setDrawDataPoints(true);series.setDataPointsRadius(10);series.setThickness(8);series2.setTitle(Random Curve 2);series2.setDrawBackground(true);series2.setBackgroundColor(Color.argb(100, 255, 255, 0));Paint paint new Paint();paint.setStyle(Paint.Style.STROKE);paint.setStrokeWidth(10);paint.setPathEffect(new DashPathEffect(new float[]{8, 5}, 0));series2.setCustomPaint(paint);// styling legend 注释每条线代表什么graph.getLegendRenderer().setVisible(true);graph.getLegendRenderer().setTextSize(25);graph.getLegendRenderer().setBackgroundColor(Color.argb(150, 50, 0, 0));graph.getLegendRenderer().setTextColor(Color.WHITE);//graph.getLegendRenderer().setAlign(LegendRenderer.LegendAlign.TOP);//graph.getLegendRenderer().setMargin(30);graph.getLegendRenderer().setFixedPosition(150, 0);
