RangerZhou

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MPAndroidChart 用法

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MPAndroidChart使用-散点图、雷达图、饼图等……

ScatterChart

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private void setScatterProperties() {
    xAxis = scatterChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setLabelRotationAngle(90);
    xAxis.setGranularityEnabled(true);
    xAxis.setGranularity(1f);
    xAxis.setAxisMinimum(0f);
    xAxis.setAxisMaximum(86400f); // 89400 为24小时的秒数
    scatterChart.setVisibleXRange(0, 35);
    xAxis.setLabelCount(35); // 左右分布是15，上下分布是35
    Log.d(TAG, "getLableCount: " + xAxis.getLabelCount());
    //xAxis.setDrawGridLines(false); // 是否绘制竖向网格线
    //xAxis.setValueFormatter(new XAxisValueFormatter(minTime));

    YAxis axisLeft = scatterChart.getAxisLeft();
    YAxis axisRight = scatterChart.getAxisRight();
    axisRight.setEnabled(false);
    axisLeft.setGranularityEnabled(true);
    axisLeft.setGranularity(1);
    axisLeft.setAxisMinimum(0);
    axisLeft.setAxisMaximum(eventIndexKeys.length);
    scatterChart.setVisibleYRange(0, 8, YAxis.AxisDependency.LEFT);
    axisLeft.setLabelCount(8);// Y 轴总共标签数（含原点），和setVisibleYRange 可保证 Y 轴不缩放
    axisLeft.setValueFormatter(new YAxisValueFormatter(eventIndexKeys));

    /*Legend legend = scatterChart.getLegend();
    legend.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    legend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
    legend.setForm(Legend.LegendForm.CIRCLE);*/
    scatterChart.getLegend().setEnabled(false); // 不显示图例

    scatterChart.setExtraBottomOffset(10);
    //scatterChart.setVisibleYRangeMinimum(7, YAxis.AxisDependency.LEFT); // 值为标签个数即可
    //scatterChart.setVisibleXRangeMinimum(5);
    //scatterChart.setVisibleXRangeMaximum(10);
    //scatterChart.setNoDataText("NO DATA !!!");
    //scatterChart.setViewPortOffsets(1, 1, 1, 1);
    //scatterChart.setScaleXEnabled(false);
    //scatterChart.setVisibleYRange(0, 7, YAxis.AxisDependency.LEFT);
    //scatterChart.setVisibleXRange(10, 30);
    //scatterChart.setFitsSystemWindows(true);

    scatterChartDescription = scatterChart.getDescription();

}

RadarChart

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BubbleChart

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private void setBubbleProperties() {
    bubbleChart.setDrawBorders(false); // 图标周围边界一圈黑线
    bubbleChart.setDrawGridBackground(false); // 是否设置网格背景，如设置，默认为灰色
    bubbleChart.setGridBackgroundColor(Color.GRAY); // 网格背景颜色
    //bubbleChart.animateXY(2500, 1500); // 设置XY轴动画效果
    //bubbleChart.setVisibleXRangeMinimum(10); // 无需滚动即可查看 X 轴上不小于 10 的范围
    //bubbleChart.setVisibleYRangeMinimum(20, YAxis.AxisDependency.LEFT);
    //bubbleChart.setExtraOffsets(-5, 2, 2, 2); // 设置整个左边上下左右的偏移量（图各方向的边界和手机显示边界的距离），类似于 padding
    //bubbleChart.setVisibleYRangeMinimum(10, YAxis.AxisDependency.LEFT);
    bubbleChart.setTouchEnabled(true);
    bubbleChart.setDragEnabled(true);
    //bubbleChart.setVisibleXRange(0, 10);
    Legend legend = bubbleChart.getLegend();
    legend.setForm(Legend.LegendForm.CIRCLE);
    legend.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    legend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);

    XAxis xAxis = bubbleChart.getXAxis();
    xAxis.setGranularity(1); // 放大时轴的最小间隔
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM); // 设置 X 轴位置
    xAxis.setAxisMinimum(0); // 设置 X 轴最小值
    //xAxis.setAxisMaximum(100);
    //xAxis.setLabelCount(15); // 设置 X 轴标签个数，最大值为25
    Log.d(TAG, "labelCount: " + xAxis.getLabelCount());
    //xAxis.setLabelRotationAngle(90);

    YAxis axisLeft = bubbleChart.getAxisLeft();
    YAxis axisRight = bubbleChart.getAxisRight();
    axisRight.setEnabled(false); // 禁用右边 Y 轴
    axisLeft.setGranularity(1); // 放大时 Y 轴的最小间隔
    //axisLeft.setAxisMinimum(0f); // 设置 Y 轴最小值
    axisLeft.setLabelCount(10); // 设置左边 Y 轴标签个数


    Description description = bubbleChart.getDescription();
    description.setText("实时行为气泡图");
    description.setTextColor(Color.RED);
    Log.d(TAG, "position: " + description.getPosition() + ", width: " + bubbleChart.getWidth() + ", height: " + bubbleChart.getHeight());

}
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