WilliamChart是基于Views的Android图表类库，帮助开发者在Android应用中实现折线图、柱状图和堆叠柱状图。数值发生变化时图表也会以动画的效果发生变化。
At the moment it provides:
LineChartView
BarChartView
StackBarChartView
使用说明：
创建一个新的chart需要继承自ChartView的坐标轴，同时实现一些必要的方法。我觉的这些方法足以让你绘制出任何你想要的效果。
xml文件
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<com.db.chart.view.ChartView
android:layout_width="match_parent"
android:layout_height="dp"
...
chart:chart_shadowDx="dp"
chart:chart_shadowDy="dp"
chart:chart_shadowRadius="dp"
chart:chart_shadowColor="color"
chart:chart_fontSize="dp"
chart:chart_typeface="typeface"
chart:chart_axisBorderSpacing="dp"
chart:chart_axisThickness="dp"
chart:chart_axisTopSpacing="dp"
chart:chart_axisColor="color"
chart:chart_axisX="boolean"
chart:chart_label="boolean"
chart:chart_labelColor="color"
/>
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// Customize labels chart.setLabels(NONE/OUTSIDE/INSIDE)
chart.setLabelColor(color)
chart.setFontSize(integer)
chart.setTypeface(typeface)
// Define grid
chart.setGrid(paint)
chart.setHorizontalGrid(paint)
chart.setVerticalGrid(paint)
// Show threshold line
chart.setThresholdLine(float, paint)
chart.setMaxAxisValue(integer, integer)
chart.setStep(integer)
chart.setTopSpacing(dimen)
chart.setBorderSpacing(dimen)
chart.setAxisX(boolean)
chart.show()
// Update values of a given set
chart.updateValues(int, array)
// Notify chart about updated values
chart.notifyDataUpdate()
// Tooltip support
chart.showTooltip(view)
chart.dismissTooltip(view)
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LineChart（跟上面相同的部分用省略号）
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<com.db.chart.LineChartView
.../> |
java代码：
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LineChartView chartView= new LineChartView()
LineSet lineSet = new LineSet()
lineSet.addPoint(new Point(string, float)
// Style dotslineSet.setDots(boolean)
lineSet.setDotsColor(color)lineSet.setDotsRadius(dimen)lineSet.setDotsStrokeThickness(dimen)lineSet.setDotsStrokeColor(color)// Style linelineSet.setLineThickness(dimen)lineSet.setLineColor(color)// Style background filllineSet.setFill(boolean)
lineSet.setFillColor(color)// Style typelineSet.setDashed(boolean)
lineSet.setSmooth(boolean)
chartView.addData(lineSet) |
BarChart & StackBarChart
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<com.db.chart.BarChartView
...chart:chart_barSpacing="dp"
chart:chart_setSpacing="dp"
/> |
java代码
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BarChartView chartView = new BarcChartView()
barChart.setBarSpacing(dimen)barChart.setSetSpacing(dimen)barChart.setBarBackground(boolean)
barChart.setBarBackgroundColor(color)barChart.setRoundCorners(dimen)BarSet barSet = new BarSet()
Bar bar = new Bar(string, float)
bar.setColor(color)barSet.addBar(bar)chartView.addData(barSet) |
Listener的设置
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chart.setOnEntryClickListener(new OnEntryClickListener(){
@Override
public void onClick(int setIndex, int entryIndex, Rect entryRect) {
//Do things
}
});
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动画
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Animation anim = new Animation()
anim.setDuration(integer)anim.setEasing(easingFunction)anim.setEndAction(runnable)// Animation overlap between entriesanim.setOverlap(float)
// Animation starting pointanim.setStartPoint(float, float)
// Include alpha transitionanim.setAlpha(int)
// Starts animationchart.animate(animation) |
项目描述：Android library to create charts. — 查看更多内容...
| 问题列表： | ||
| #69 | Set Dots missing | 由 douglasd3 2015-08-19 |
| #61 | Not showing anything at all | 由 Ph1b 2015-08-16 |
| #50 | Can I set YAxis Label to right? | 由 xu6148152 2015-06-07 |
| #29 | Support CandleStickChart view | 由 Archinamon 2015-01-14 |
| #28 | Consider support for pie charts | 由 tuliohmendes 2015-07-29 |