Java LineChart.getXAxis方法代码示例

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
private void chartStyling(LineChart chart) {
    chart.setTouchEnabled(false);
    chart.setDescription("");
    chart.setAutoScaleMinMaxEnabled(false);
    chart.setNoDataTextColor(SettingsActivity.ThemePreferenceFragment.isLight(getContext()) ? Color.BLACK : Color.WHITE);
    YAxis axisRight = chart.getAxisRight();
    axisRight.setEnabled(false);
    chart.getLegend().setEnabled(false);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        chart.setNestedScrollingEnabled(false);
    }

    XAxis xAxis = chart.getXAxis();
    chartXAxisStyling(xAxis);
    YAxis yAxis = chart.getAxisLeft();
    chartYAxisStyling(yAxis);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart_noseekbar);

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setBackgroundColor(Color.WHITE);
    mChart.setGridBackgroundColor(mFillColor);
    mChart.setDrawGridBackground(true);

    mChart.setDrawBorders(true);

    // no description text
    mChart.getDescription().setEnabled(false);

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(false);

    Legend l = mChart.getLegend();
    l.setEnabled(false);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setEnabled(false);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setAxisMaximum(900f);
    leftAxis.setAxisMinimum(-250f);
    leftAxis.setDrawAxisLine(false);
    leftAxis.setDrawZeroLine(false);
    leftAxis.setDrawGridLines(false);

    mChart.getAxisRight().setEnabled(false);

    // add data
    setData(100, 60);

    mChart.invalidate();
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void styleGraph(LineChart lineChart) {
	lineChart.setDescription("");
	lineChart.getLegend().setEnabled(false);

	XAxis xAxis = lineChart.getXAxis();
	xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);

	lineChart.getAxisRight().setEnabled(false);
	YAxis yAxis = lineChart.getAxisLeft();
	yAxis.setValueFormatter(new ValueFormatter() {
		@Override
		public String getFormattedValue(float v) {
			return yLabelsFormat.format(v) + " " + (char) 0x00B0 + "C";
		}
	});
	yAxis.setStartAtZero(false);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_draw_chart);

    mChart = (LineChart) findViewById(R.id.chart1);

    // listener for selecting and drawing
    mChart.setOnChartValueSelectedListener(this);
    mChart.setOnDrawListener(this);

    // if disabled, drawn datasets with the finger will not be automatically
    // finished
    // mChart.setAutoFinish(true);
    mChart.setDrawGridBackground(false);

    // add dummy-data to the chart
    initWithDummyData();

    Typeface tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    XAxis xl = mChart.getXAxis();
    xl.setTypeface(tf);
    xl.setAvoidFirstLastClipping(true);

    YAxis yl = mChart.getAxisLeft();
    yl.setTypeface(tf);

    mChart.getLegend().setEnabled(false);

    // mChart.setYRange(-40f, 40f, true);
    // call this to reset the changed y-range
    // mChart.resetYRange(true);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Set the line chart pattern
 * @param lineChart chart
 * @param chartData pie chart data
 * @param month data
 * @param typeface Typeface font
 */
public static void setLineChart(Context context, LineChart lineChart, ChartData<?> chartData,
                                final String[] month, Typeface typeface) {
    // apply styling
    lineChart.getDescription().setEnabled(false);
    lineChart.setDrawGridBackground(false);
    // create a custom MarkerView (extend MarkerView) and specify the layout to use for it
    SalaryMarker marker = new SalaryMarker(context, R.layout.marker_salary_detail);
    marker.setChartView(lineChart); // For bounds control
    lineChart.setMarker(marker);
    //fix crash com.github.mikephil.charting.charts.Chart.drawMarkers(Chart.java:731)
    lineChart.setDrawMarkers(false);

    XAxis xAxis = lineChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setTypeface(typeface);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(true);
    xAxis.setValueFormatter(new LineChartValueFormatter(month));
    xAxis.setLabelCount(month.length / 2, true);//xAxis label count

    YAxis leftAxis = lineChart.getAxisLeft();
    leftAxis.setTypeface(typeface);
    leftAxis.setLabelCount(9, false);
    leftAxis.setAxisMinimum(0f);
    YAxis rightAxis = lineChart.getAxisRight();
    rightAxis.setTypeface(typeface);
    rightAxis.setDrawGridLines(false);
    rightAxis.setAxisMinimum(0f);
    Legend l = lineChart.getLegend();
    l.setWordWrapEnabled(true);
    l.setTypeface(typeface);
    l.setFormSize(14f);
    l.setTextSize(9f);
    lineChart.setData((LineData) chartData);
    lineChart.animateX(DURATION_SHORT);

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private static void formatXAxisLabels(final LineChart view, final List<SingleValue> items) {
    final XAxis xAxis = view.getXAxis();
    xAxis.setValueFormatter((value, axis) -> {
        int index = (int) value;
        if (index >= items.size()) {
            return "";
        }
        return mDateFormatter.format(items.get(index).getDate());
    });
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initHeartRateChart(LineChart mChart) {
    mChart.setViewPortOffsets(0, 0, 0, 0);
    mChart.setBackgroundColor(getResources().getColor(R.color.gold_pressed));
    mChart.setDescription("Heart Rate");
    mChart.setTouchEnabled(true);
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setPinchZoom(false);
    mChart.setDrawGridBackground(false);
    mChart.setMaxHighlightDistance(300);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    xAxis.setTextSize(11f);
    xAxis.setTextColor(Color.WHITE);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);

    YAxis y = mChart.getAxisLeft();
    y.setTypeface(BandApplication.INSTANCE.getTfLight());
    y.setLabelCount(6, false);
    y.setTextColor(Color.RED);
    y.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    y.setDrawGridLines(false);
    y.setAxisLineColor(Color.WHITE);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    y.setLabelCount(6, false);
    y.setTextColor(Color.RED);
    y.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    y.setDrawGridLines(false);
    y.setAxisLineColor(Color.WHITE);

    mChart.getLegend().setEnabled(false);
    mChart.animateXY(2000, 2000);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Formats a line chart in a standardized manner
 * @param c App context
 * @param chart LineChart to format
 * @param listener Listener to attach to chart
 * @param xLabels Labels to use for the x-axis
 * @param valueFormatter True if large value formatter should be used
 * @param skip Number of values to skip
 * @param legend True if show legend, false if hide legend
 * @return Formatted linechart
 */
public static LineChart getFormattedLineChart(Context c, LineChart chart, OnChartValueSelectedListener listener, List<String> xLabels, boolean valueFormatter, int skip, boolean legend) {
    Legend cLegend = chart.getLegend();
    cLegend.setEnabled(legend);

    XAxis xAxis = chart.getXAxis();
    xAxis.setGranularity(skip);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setValueFormatter(new XAxisLabelFormatter(xLabels));

    YAxis yAxisRight = chart.getAxisRight();
    yAxisRight.setEnabled(false);

    YAxis yAxisLeft = chart.getAxisLeft();
    if (valueFormatter) {
        yAxisLeft.setValueFormatter(new LargeNumberAxisFormatter(c));
    }

    if (SettingsActivity.getTheme(c) == SettingsActivity.THEME_NOIR) {
        int textColorNoir = ContextCompat.getColor(c, R.color.colorPrimaryTextNoir);
        cLegend.setTextColor(textColorNoir);
        xAxis.setTextColor(textColorNoir);
        yAxisLeft.setTextColor(textColorNoir);
    }

    chart.setDoubleTapToZoomEnabled(false);
    chart.setDescription(EMPTY_CHART_DESCRIPTION);
    chart.setDragEnabled(true);
    chart.setScaleYEnabled(false);
    chart.setDrawGridBackground(false);
    chart.setOnChartValueSelectedListener(listener);

    return chart;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Configure styles of weather charts.
 *
 * @param entries   chart data.
 * @param formatter value formatter.
 * @param minVal    min value to show.
 * @param maxVal    max value to show.
 * @return chart formatted.
 */
private LineDataSet configureWeatherChart(
        LineChart chart, int chartName, int colorLineTempChart, int colorFillTempChart,
        List<Entry> entries, IAxisValueFormatter formatter, double minVal, double maxVal) {
    LineDataSet lineDataSet = new LineDataSet(entries, getString(chartName));
    lineDataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    lineDataSet.setDrawValues(false);
    lineDataSet.setValueTextSize(10f);
    lineDataSet.setDrawCircles(false);
    lineDataSet.setLineWidth(1.8f);
    lineDataSet.setColor(ContextCompat.getColor(getContext(), colorLineTempChart));
    lineDataSet.setLineWidth(2f);
    lineDataSet.setDrawFilled(true);
    lineDataSet.setFillColor(ContextCompat.getColor(getContext(), colorFillTempChart));
    lineDataSet.setFillAlpha(255);
    // General setup
    chart.setDrawGridBackground(false);
    chart.setDrawBorders(false);
    chart.setViewPortOffsets(0, 0, 0, 0);
    chart.getDescription().setEnabled(false);
    chart.getLegend().setEnabled(false);
    chart.setTouchEnabled(false);
    // X axis setup
    XAxis xAxis = chart.getXAxis();
    xAxis.setEnabled(false);
    xAxis.setAxisMinimum(0);
    xAxis.setAxisMaximum(lastTimestamp);
    // Y axis setup
    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setEnabled(false);
    leftAxis.setAxisMaximum((float) (maxVal));
    leftAxis.setAxisMinimum((float) (minVal));
    YAxis rightAxis = chart.getAxisRight();
    rightAxis.setAxisMaximum((float) (maxVal));
    rightAxis.setAxisMinimum((float) (minVal));
    rightAxis.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    rightAxis.setValueFormatter(formatter);
    return lineDataSet;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Setup chart (axis, grid, etc.).
 *
 * @param lineChart      chart to setup.
 * @param data           chart with the data.
 * @param firstTimestamp seconds timestamp of the first record (used as initial reference).
 */
private void setupChart(LineChart lineChart, LineData data, long firstTimestamp) {
    // General setup
    lineChart.setDrawGridBackground(false);
    lineChart.setDrawBorders(false);
    lineChart.setViewPortOffsets(50, 0, 50, 50);
    lineChart.getDescription().setEnabled(false);
    lineChart.getLegend().setEnabled(false);
    lineChart.setTouchEnabled(false);
    lineChart.setNoDataText(context.getString(R.string.no_flight_act_data_available));
    // X axis setup
    IAxisValueFormatter xAxisFormatter = new HourAxisValueFormatter(firstTimestamp);
    XAxis xAxis = lineChart.getXAxis();
    xAxis.setValueFormatter(xAxisFormatter);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setCenterAxisLabels(false);
    xAxis.setTextColor(ContextCompat.getColor(context, R.color.colorIcons));
    // Y axis setup
    YAxis yAxis = lineChart.getAxisLeft();
    yAxis.setAxisMaximum(40);
    yAxis.setAxisMinimum(0);
    yAxis.setDrawLabels(false);
    yAxis.setDrawAxisLine(false);
    yAxis.setDrawGridLines(true);
    lineChart.getAxisRight().setEnabled(false);
    // Add data
    lineChart.setData(data);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initLine() {
    LineChart lineChart = getLineChart();
    if(lineChart == null) {
        return;
    }
    lineChart.setDescription("");

    lineChart.setDrawGridBackground(false);

    // enable scaling and dragging

    Legend l = lineChart.getLegend();
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setTextColor(Color.WHITE);

    YAxis yl = lineChart.getAxisLeft();
    yl.setTextColor(Color.WHITE);
    yl.setGridColor(Color.WHITE);
    lineChart.getAxisRight().setEnabled(false);

    XAxis xl = lineChart.getXAxis();
    xl.setDrawGridLines(false);
    xl.setTextColor(Color.WHITE);
    xl.setGridColor(Color.WHITE);
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setDrawAxisLine(true);
    xl.setLabelRotationAngle(-90);
    xl.setDrawLabels(true);
    xl.setLabelsToSkip(0);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    View V = inflater.inflate(R.layout.tide_fragment, container, false);

    // Setup the tide chart
    LineChart tideChart = (LineChart) V.findViewById(R.id.tide_chart);
    tideChart.setDrawBorders(false);
    tideChart.setDescription("");
    tideChart.setPinchZoom(false);
    tideChart.setDoubleTapToZoomEnabled(false);
    tideChart.setDrawMarkerViews(false);
    tideChart.setTouchEnabled(false);
    tideChart.setViewPortOffsets(0f, 0f, 0f, 0f);

    // X Axis
    XAxis xAxis = tideChart.getXAxis();
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);
    xAxis.setDrawLabels(false);

    // Y Axis
    YAxis leftYAxis = tideChart.getAxisLeft();
    YAxis rightYAxis = tideChart.getAxisRight();
    leftYAxis.setDrawGridLines(false);
    rightYAxis.setDrawGridLines(false);
    leftYAxis.setDrawAxisLine(false);
    rightYAxis.setDrawAxisLine(false);
    leftYAxis.setDrawLabels(false);
    rightYAxis.setDrawLabels(false);
    leftYAxis.setDrawZeroLine(false);
    rightYAxis.setDrawZeroLine(false);

    // Legend
    tideChart.getLegend().setEnabled(false);

    return V;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * 初始化图表
 *
 * @param chart 原始图表
 * @return 初始化后的图表
 */
public static LineChart initChart(LineChart chart) {
    // 不显示数据描述
    chart.getDescription().setEnabled(false);
    // 没有数据的时候，显示“暂无数据”
    chart.setNoDataText("暂无数据");
    // 不显示表格颜色
    chart.setDrawGridBackground(false);
    // 不可以缩放
    chart.setScaleEnabled(false);
    // 不显示y轴右边的值
    chart.getAxisRight().setEnabled(false);
    // 不显示图例
    Legend legend = chart.getLegend();
    legend.setEnabled(false);
    // 向左偏移15dp，抵消y轴向右偏移的30dp
    chart.setExtraLeftOffset(-15);

    XAxis xAxis = chart.getXAxis();
    // 不显示x轴
    xAxis.setDrawAxisLine(false);
    // 设置x轴数据的位置
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setTextColor(Color.WHITE);
    xAxis.setTextSize(12);
    xAxis.setGridColor(Color.parseColor("#30FFFFFF"));
    // 设置x轴数据偏移量
    xAxis.setYOffset(-12);

    YAxis yAxis = chart.getAxisLeft();
    // 不显示y轴
    yAxis.setDrawAxisLine(false);
    // 设置y轴数据的位置
    yAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
    // 不从y轴发出横向直线
    yAxis.setDrawGridLines(false);
    yAxis.setTextColor(Color.WHITE);
    yAxis.setTextSize(12);
    // 设置y轴数据偏移量
    yAxis.setXOffset(30);
    yAxis.setYOffset(-3);
    yAxis.setAxisMinimum(0);

    //Matrix matrix = new Matrix();
    // x轴缩放1.5倍
    //matrix.postScale(1.5f, 1f);
    // 在图表动画显示之前进行缩放
    //chart.getViewPortHandler().refresh(matrix, chart, false);
    // x轴执行动画
    //chart.animateX(2000);
    chart.invalidate();
    return chart;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_realtime_linechart);

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);

    // enable description text
    mChart.getDescription().setEnabled(true);

    // enable touch gestures
    mChart.setTouchEnabled(true);

    // enable scaling and dragging
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setDrawGridBackground(false);

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(true);

    // set an alternative background color
    mChart.setBackgroundColor(Color.LTGRAY);

    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);

    // add empty data
    mChart.setData(data);

    // get the legend (only possible after setting data)
    Legend l = mChart.getLegend();

    // modify the legend ...
    l.setForm(LegendForm.LINE);
    l.setTypeface(mTfLight);
    l.setTextColor(Color.WHITE);

    XAxis xl = mChart.getXAxis();
    xl.setTypeface(mTfLight);
    xl.setTextColor(Color.WHITE);
    xl.setDrawGridLines(false);
    xl.setAvoidFirstLastClipping(true);
    xl.setEnabled(true);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(mTfLight);
    leftAxis.setTextColor(Color.WHITE);
    leftAxis.setAxisMaximum(100f);
    leftAxis.setAxisMinimum(0f);
    leftAxis.setDrawGridLines(true);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setEnabled(false);

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart_time);

    tvX = (TextView) findViewById(R.id.tvXMax);
    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarX.setProgress(100);
    tvX.setText("100");

    mSeekBarX.setOnSeekBarChangeListener(this);

    mChart = (LineChart) findViewById(R.id.chart1);

    // no description text
    mChart.getDescription().setEnabled(false);

    // enable touch gestures
    mChart.setTouchEnabled(true);

    mChart.setDragDecelerationFrictionCoef(0.9f);

    // enable scaling and dragging
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setDrawGridBackground(false);
    mChart.setHighlightPerDragEnabled(true);

    // set an alternative background color
    mChart.setBackgroundColor(Color.WHITE);
    mChart.setViewPortOffsets(0f, 0f, 0f, 0f);

    // add data
    setData(100, 30);
    mChart.invalidate();

    // get the legend (only possible after setting data)
    Legend l = mChart.getLegend();
    l.setEnabled(false);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.TOP_INSIDE);
    xAxis.setTypeface(mTfLight);
    xAxis.setTextSize(10f);
    xAxis.setTextColor(Color.WHITE);
    xAxis.setDrawAxisLine(false);
    xAxis.setDrawGridLines(true);
    xAxis.setTextColor(Color.rgb(255, 192, 56));
    xAxis.setCenterAxisLabels(true);
    xAxis.setGranularity(1f); // one hour
    xAxis.setValueFormatter(new IAxisValueFormatter() {

        private SimpleDateFormat mFormat = new SimpleDateFormat("dd MMM HH:mm");

        @Override
        public String getFormattedValue(float value, AxisBase axis) {

            long millis = TimeUnit.HOURS.toMillis((long) value);
            return mFormat.format(new Date(millis));
        }
    });

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    leftAxis.setTypeface(mTfLight);
    leftAxis.setTextColor(ColorTemplate.getHoloBlue());
    leftAxis.setDrawGridLines(true);
    leftAxis.setGranularityEnabled(true);
    leftAxis.setAxisMinimum(0f);
    leftAxis.setAxisMaximum(170f);
    leftAxis.setYOffset(-9f);
    leftAxis.setTextColor(Color.rgb(255, 192, 56));

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setEnabled(false);
}