Java LineChart.setData方法代码示例

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.setOnChartValueSelectedListener(this);
        mChart.setDrawGridBackground(false);
        mChart.getDescription().setEnabled(false);

        // add an empty data object
        mChart.setData(new LineData());
//        mChart.getXAxis().setDrawLabels(false);
//        mChart.getXAxis().setDrawGridLines(false);

        mChart.invalidate();
    }
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private LineDataSet prepareInitData(@NonNull LineChart chart, @NonNull List<Entry> entries) {
    final LineDataSet set = new LineDataSet(entries, "Accuracy");

    set.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    set.setAxisDependency(YAxis.AxisDependency.LEFT);
    set.setLineWidth(2F);
    set.setDrawCircleHole(false);
    set.setDrawCircles(false);
    set.setHighlightEnabled(false);
    set.setDrawFilled(true);

    final LineData group = new LineData(set);
    group.setDrawValues(false);

    chart.setData(group);

    return set;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@BindingAdapter({"bind:items"})
public static void populateDiagram(LineChart view, List<SingleValue> items) {

    if (null == items || items.size() == 0) {
        return;
    }
    List<Entry> entries = new ArrayList<>();
    for (int i = 0; i < items.size(); i++) {
        final SingleValue item = items.get(i);
        final Entry entry = new Entry(i, (float) item.getValue(), item);
        entries.add(entry);
    }
    LineDataSet dataSet = new LineDataSet(entries, view.getContext().getString(R.string.currency_value));
    LineData lineData = new LineData(dataSet);

    formatXAxisLabels(view, items);
    view.setData(lineData);
    view.invalidate();
}
 

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.setOnChartValueSelectedListener(this);
        mChart.setDrawGridBackground(false);
        mChart.setDescription("");
        
        // add an empty data object
        mChart.setData(new LineData());
//        mChart.getXAxis().setDrawLabels(false);
//        mChart.getXAxis().setDrawGridLines(false);

        mChart.invalidate();
    }
 

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
/**
 * 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
@Override
public void enter(int view) {
    super.enter(view);
    lchScope = (LineChart) findViewById(R.id.scope_chart);
    lchScope.setDrawGridBackground(false);
    //lchScope.setNoDataTextDescription("Select a Value in the ObjectBrowser to start the Scope");

    mData = new LineData();
    mData.setValueTextColor(Color.GREEN);

    // add empty data
    if (mObject1 != null) lchScope.setData(mData);

    txtScopeLastValue = (TextView) findViewById(R.id.txtScopeLastValue);
    txtScopeObjectName = (TextView) findViewById(R.id.txtScopeObjectName);

    mObject1 = ScopeHelper.object1;
    mField1 = ScopeHelper.field1;
    mElement1 = ScopeHelper.element1;

    mObject2 = ScopeHelper.object2;
    mField2 = ScopeHelper.field2;
    mElement2 = ScopeHelper.element2;

    if (mObject1 != null) {
        setScopeMetric(mObject1, mField1, mElement1);
        //lchScope.setDescription(mObject1 + "/" + mField1 + "/" + mElement1);
    }

    if (mObject2 != null) {
        setScopeMetric(mObject2, mField2, mElement2);
        //lchScope.setDescription(mObject1 + "/" + mField1 + "/" + mElement1);
    }

    txtScopeObjectName.setText(mObject1);
    relTime = System.currentTimeMillis();

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void setupGraphic(LineChart chart, List<Entry> entries, float axisMinimum, IAxisValueFormatter formatter) {
    LineDataSet dataSet = new LineDataSet(entries, Constants.EMPTY_STRING);
    dataSet.setDrawCircles(false);
    dataSet.setDrawCircleHole(false);
    dataSet.setLineWidth(ResourcesHelper.getDimensionPixelSize(this, R.dimen.half_dp));
    dataSet.setFillColor(getResources().getColor(R.color.colorPrimary));
    dataSet.setDrawFilled(true);
    dataSet.setFillAlpha(Constants.Chart.ALPHA_FILL);
    dataSet.setMode(LineDataSet.Mode.CUBIC_BEZIER);
    dataSet.setColor(getResources().getColor(R.color.colorPrimary));
    dataSet.setDrawValues(false);

    LineData lineData = new LineData(dataSet);

    chart.getDescription().setEnabled(false);
    chart.setTouchEnabled(false);
    chart.getLegend().setEnabled(false);
    chart.getAxisRight().setEnabled(false);

    chart.getXAxis().setDrawLabels(false);
    chart.getXAxis().setDrawGridLines(false);

    chart.getAxisLeft().removeAllLimitLines();
    chart.getAxisLeft().setTextColor(getResources().getColor(R.color.gray));
    chart.getAxisLeft().setAxisMinimum(axisMinimum);
    chart.getAxisLeft().setTextSize(Constants.Chart.LABEL_SIZE);
    chart.getAxisLeft().setValueFormatter(formatter);

    chart.animateX(Constants.Chart.ANIMATION_DURATION, Easing.EasingOption.EaseInSine);

    chart.setData(lineData);
    chart.invalidate();
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
protected void setupAltitudeChart(){
    TextView textAltitude = new TextView(this);
    textAltitude.setText("Altitude:");
    textAltitude.setTextColor(getResources().getColor(R.color.hike_blue_grey));
    mAltitudeChartContainer.addView(textAltitude);

    if(mCoordinatesList!=null) {
        int listSize = mCoordinatesList.size();
        if (listSize > 0) {
            mAltitudeChart = new LineChart(this);
            List<Entry> entries = new ArrayList<>(listSize);

            for (int i = 0; i < listSize; i++) {
                entries.add(new Entry((float) mCoordinatesList.get(i).getAltitude(), i));
            }
            LineDataSet altitudePoints = new LineDataSet(entries, "Altitude during Hike");

            mAltitudeChart.setData(new LineData(Collections.nCopies(listSize, ""), altitudePoints));
            mAltitudeChart.setDescription("");
            mAltitudeChart.animateX(3500);
            mAltitudeChart.getAxisLeft().setEnabled(false);
            mAltitudeChart.setTouchEnabled(false);
            mAltitudeChart.setLayoutParams(new LinearLayout.LayoutParams(
                    ViewGroup.LayoutParams.MATCH_PARENT,
                    ViewGroup.LayoutParams.MATCH_PARENT));
            mAltitudeChart.setMinimumHeight(ALTITUDE_CHART_HEIGHT);
            mAltitudeChartContainer.addView(mAltitudeChart);
            mAltitudeChartContainer.setMinimumHeight(ALTITUDE_CHART_HEIGHT);

            return;
        }
    }

    //Else...
    TextView noAltitude = new TextView(this);
    noAltitude.setText("No Altitude Height to Show");
    mAltitudeChartContainer.addView(noAltitude);

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
protected void setupInstPaceChart(){
    TextView textInstPace = new TextView(this);
    textInstPace.setText("Pace:");
    textInstPace.setTextColor(getResources().getColor(R.color.hike_blue_grey));
    mInstPaceChartContainer.addView(textInstPace);

    if(mCoordinatesList!=null) {
        int listSize = mCoordinatesList.size();
        if (listSize > 0) {
            mInstPaceChart = new LineChart(this);
            List<Entry> entries = new ArrayList<>(listSize);

            for (int i = 0; i < listSize; i++) {
                //TODO change logic to get the instant pace instead of altidude
                entries.add(new Entry((float) mCoordinatesList.get(i).getAltitude(), i));
            }
            LineDataSet altitudePoints = new LineDataSet(entries, "Pace during Hike");

            mInstPaceChart.setData(new LineData(Collections.nCopies(listSize, ""), altitudePoints));
            mInstPaceChart.setDescription("");
            mInstPaceChart.animateX(3500);
            mInstPaceChart.getAxisLeft().setEnabled(false);
            mInstPaceChart.setTouchEnabled(false);

            mInstPaceChart.setLayoutParams(new LinearLayout.LayoutParams(
                    ViewGroup.LayoutParams.MATCH_PARENT,
                    ViewGroup.LayoutParams.MATCH_PARENT));
            mInstPaceChart.setMinimumHeight(INST_PACE_CHART_HEIGHT);
            mInstPaceChartContainer.addView(mInstPaceChart);
            mInstPaceChartContainer.setMinimumHeight(INST_PACE_CHART_HEIGHT);

            return;
        }

        //Else...
        TextView noInstaPace = new TextView(this);
        noInstaPace.setText("No Pace to Show");
        mAltitudeChartContainer.addView(noInstaPace);
    }
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
public void setupGraph(String courseID,int index,View v) {
    LineChart l = (LineChart) v.findViewById(R.id.linechart);
    l.setStartAtZero(false);
    l.setDescription("");
    l.setDrawYValues(false);
    ArrayList<DataPoint> grades = new DataManager(getActivity()).getCourseDatapoints(courseID);
    if (grades != null && grades.size() > 0 ) {
        LineData dataSet = constructDataSet(grades, Constants.COLORS[index % Constants.COLORS.length]);
        l.setData(dataSet);
    }
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void setupChart(LineChart chart, LineData data, int color) {

        ((LineDataSet) data.getDataSetByIndex(0)).setCircleColorHole(color);

        // no description text
        chart.getDescription().setEnabled(false);
        
        // mChart.setDrawHorizontalGrid(false);
        //
        // enable / disable grid background
        chart.setDrawGridBackground(false);
//        chart.getRenderer().getGridPaint().setGridColor(Color.WHITE & 0x70FFFFFF);

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

        // enable scaling and dragging
        chart.setDragEnabled(true);
        chart.setScaleEnabled(true);

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

        chart.setBackgroundColor(color);
        
        // set custom chart offsets (automatic offset calculation is hereby disabled)
        chart.setViewPortOffsets(10, 0, 10, 0);

        // add data
        chart.setData(data);

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

        chart.getAxisLeft().setEnabled(false);
        chart.getAxisLeft().setSpaceTop(40);
        chart.getAxisLeft().setSpaceBottom(40);
        chart.getAxisRight().setEnabled(false);

        chart.getXAxis().setEnabled(false);

        // animate calls invalidate()...
        chart.animateX(2500);
    }
 

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
private void setupChart(LineChart chart, LineData data, int color) {
    ((LineDataSet) data.getDataSetByIndex(0)).setCircleColorHole(color);
    chart.getDescription().setEnabled(false);
    chart.setDrawGridBackground(false);
    chart.setTouchEnabled(false);
    chart.setDragEnabled(false);
    chart.setScaleEnabled(true);
    chart.setPinchZoom(false);
    chart.setBackgroundColor(color);
    chart.setViewPortOffsets(0, 23, 0, 0);
    chart.setData(data);
    Legend l = chart.getLegend();
    l.setEnabled(false);

    chart.getAxisLeft().setEnabled(true);
    chart.getAxisLeft().setDrawGridLines(false);
    chart.getAxisLeft().setDrawAxisLine(false);
    chart.getAxisLeft().setSpaceTop(10);
    chart.getAxisLeft().setSpaceBottom(30);
    chart.getAxisLeft().setAxisLineColor(0xFFFFFF);
    chart.getAxisLeft().setTextColor(0xFFFFFF);
    chart.getAxisLeft().setDrawTopYLabelEntry(true);
    chart.getAxisLeft().setLabelCount(10);

    chart.getXAxis().setEnabled(true);
    chart.getXAxis().setDrawGridLines(false);
    chart.getXAxis().setDrawAxisLine(false);
    chart.getXAxis().setAxisLineColor(0xFFFFFF);
    chart.getXAxis().setTextColor(0xFFFFFF);

    Typeface tf = Typeface.DEFAULT;

    // X Axis
    XAxis xAxis = chart.getXAxis();
    xAxis.setTypeface(tf);
    xAxis.removeAllLimitLines();

    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM_INSIDE);

    xAxis.setTextColor(Color.argb(150, 255, 255, 255));

    if (displayType == 1 || displayType == 2) // Week and Month
        xAxis.setValueFormatter(new WeekXFormatter());
    else if (displayType == 0) //  Day
        xAxis.setValueFormatter(new HourXFormatter());
    else
        xAxis.setValueFormatter(new YearXFormatter()); // Year

    // Y Axis
    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.removeAllLimitLines();
    leftAxis.setTypeface(tf);
    leftAxis.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    leftAxis.setTextColor(Color.argb(150, 255, 255, 255));
    leftAxis.setValueFormatter(new DontShowNegativeFormatter(displayInUsd));
    chart.getAxisRight().setEnabled(false); // Deactivates horizontal lines

    chart.animateX(1300);
    chart.notifyDataSetChanged();
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Used to display the value from the measure list into the chart
 * @param measures The list of the measure we want to display
 * @param labelName The label we want to display for each value under the graph
 */
private void setChart1Value(List<Measure> measures, String labelName,String dateFormat, CustomRules rule) {


    chart=(LineChart) view.findViewById(R.id.chart_measure);
    if (measures.size()==0)
        return;
    //data for the entry
    List<Entry> dataEntries=new ArrayList<>();

    //get the data based on measure
    for (int k=0;k<measures.size();k++)
    {   //add the entry
        dataEntries.add(new Entry(k,measures.get(k).getValue1().floatValue()));
        //enter the fix value related to the rule
    }
    //add label instead of number in the axis
    chart.notifyDataSetChanged();

    //sort otherwise we will trigger an error
    Collections.sort(dataEntries, new EntryXComparator());
    //add the entry to a data set (data that belong together), it's a line
    LineDataSet dataSet=new LineDataSet(dataEntries,labelName);
    dataSet.setColor(Color.BLUE);
    dataSet.setValueTextColor(Color.BLACK);
    //create a data set for each line

    LineData lineData=new LineData(dataSet);
    chart.setData(lineData);
    //refresh view
    IAxisValueFormatter formatter =new XaxValueFormater(measures,dateFormat);
    //set the gape between value in x axis
    XAxis xAxis = chart.getXAxis();
    xAxis.setGranularity(1f); // minimum axis-step (interval) is 1
    //set the label instead of numner
    xAxis.setValueFormatter(formatter);
    dataSet.setMode(LineDataSet.Mode.CUBIC_BEZIER);


    dataSet.setDrawFilled(true);
    dataSet.setFillColor(Color.BLUE);
    //draw the limite of the allowed value
    setLimites(rule);
    chart.getDescription().setEnabled(false);
    chart.invalidate();

}