Java LineChart.setDragEnabled方法代码示例

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Initialize the non-data aspects of the line chart
 */
private void initChart(){

    //Initial line Chart for visualization of statistic
    lineChart = (LineChart) findViewById(R.id.LineChart);
    lineChart.setDragEnabled(true);
    lineChart.setScaleEnabled(false);
    lineChart.getAxisRight().setEnabled(false);
    lineChart.getDescription().setEnabled(false);

    YAxis leftAxis = lineChart.getAxisLeft();
    leftAxis.removeAllLimitLines();
    leftAxis.setAxisMaximum(100f);
    leftAxis.setAxisMinimum(0.0f);
    leftAxis.enableGridDashedLine(10f, 10f, 0f);
    leftAxis.setDrawLimitLinesBehindData(true);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initInValidGoNoGoGameLineChart(Activity activity, View view) {
    inValidGoNoGoGamesLineChart = (LineChart) view.findViewById(R.id.line_chart_invalid_gonogogames);
    inValidGoNoGoGamesLineChart.setDescription("");
    String noData = activity.getResources().getString(R.string.no_failures_to_display);
    inValidGoNoGoGamesLineChart.setNoDataText(noData);
    inValidGoNoGoGamesLineChart.setTouchEnabled(false);
    inValidGoNoGoGamesLineChart.setDragEnabled(true);
    inValidGoNoGoGamesLineChart.setScaleEnabled(true);
    inValidGoNoGoGamesLineChart.setPinchZoom(true);
    inValidGoNoGoGamesLineChart.setBackgroundColor(Color.WHITE);
    inValidGoNoGoGamesLineChart.setDrawGridBackground(false);

    YAxis leftAxis = inValidGoNoGoGamesLineChart.getAxisLeft();
    leftAxis.setAxisMinValue(0);

    YAxis righAxis = inValidGoNoGoGamesLineChart.getAxisRight();
    if (righAxis != null)
        righAxis.setEnabled(false);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
public View buildView(Context context, ViewGroup viewGroup, FragmentManager fragmentManager) {
    this.fragmentManager = fragmentManager;
    LineChart chart = new LineChart(context);
    chart.setDescription(getDescription(context));
    chart.setHighlightEnabled(true);
    chart.setTouchEnabled(true);
    chart.setDragDecelerationFrictionCoef(0.9f);
    chart.setDragEnabled(true);
    chart.setScaleEnabled(true);
    chart.setDrawGridBackground(false);
    chart.setHighlightPerDragEnabled(true);
    chart.setPinchZoom(true);
    chart.animateX(2500);
    chart.animateY(2500);
    viewGroup.addView(chart);
    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_performance_linechart);

    mTvCount = (TextView) findViewById(R.id.tvValueCount);
    mSeekBarValues = (SeekBar) findViewById(R.id.seekbarValues);
    mTvCount.setText("500");

    mSeekBarValues.setProgress(500);
    
    mSeekBarValues.setOnSeekBarChangeListener(this);

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

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

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

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

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(false);
          
    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getAxisRight().setEnabled(false);
    mChart.getXAxis().setDrawGridLines(true);
    mChart.getXAxis().setDrawAxisLine(false);

    // dont forget to refresh the drawing
    mChart.invalidate();
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void prepareChart(@NonNull LineChart chart) {
    chart.getDescription().setEnabled(false);
    chart.setTouchEnabled(false);
    chart.setDragEnabled(false);
    chart.setScaleEnabled(false);
    chart.setHighlightPerDragEnabled(false);
    chart.setPinchZoom(false);
    chart.setDrawGridBackground(true);
    chart.getLegend().setEnabled(false);
    chart.getAxisRight().setEnabled(false);
    chart.getAxisLeft().setEnabled(false);
    chart.getXAxis().setEnabled(false);
    chart.setViewPortOffsets(0, 0, 0, 0);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initChart(@NonNull LineChart chart) {
    chart.getDescription().setEnabled(false);
    chart.setTouchEnabled(false);
    chart.setDragEnabled(false);
    chart.setScaleEnabled(false);
    chart.setHighlightPerDragEnabled(false);
    chart.setPinchZoom(false);
    chart.setDrawGridBackground(false);
    chart.getLegend().setEnabled(false);
    chart.getAxisRight().setEnabled(false);
    chart.getXAxis().setEnabled(false);
    chart.getAxisLeft().setEnabled(false);
    chart.getXAxis().setEnabled(false);
    chart.setViewPortOffsets(0, 0, 0, 0);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initTemperatureChart(LineChart mChart) {
//        mChart.setOnChartValueSelectedListener(this);
        mChart.setDescription("Skin Temperature");
        mChart.setNoDataTextDescription("You need to provide data for the chart.");
        mChart.setTouchEnabled(true);
        mChart.setDragDecelerationFrictionCoef(0.9f);
        mChart.setDragEnabled(true);
        mChart.setScaleEnabled(true);
        mChart.setDrawGridBackground(false);
        mChart.setHighlightPerDragEnabled(true);
        mChart.setPinchZoom(true);
        mChart.setBackgroundColor(getResources().getColor(R.color.blue_light_pressed));
        mChart.animateX(2500);

        Legend l = mChart.getLegend();
        l.setForm(Legend.LegendForm.LINE);
        l.setTypeface(BandApplication.INSTANCE.getTfLight());
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);

        mChart.getXAxis().setEnabled(false);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        leftAxis.setTextColor(Color.RED);
        leftAxis.setDrawGridLines(true);
        leftAxis.setGranularityEnabled(true);

        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        rightAxis.setTextColor(Color.RED);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
        rightAxis.setGranularityEnabled(false);
    }
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void initResistanceChart(LineChart mChart) {
    //        mChart.setOnChartValueSelectedListener(this);
    mChart.setDescription("Skin Resistance");
    mChart.setNoDataTextDescription("You need to provide data for the chart.");
    mChart.setTouchEnabled(true);
    mChart.setDragDecelerationFrictionCoef(0.9f);
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setDrawGridBackground(false);
    mChart.setHighlightPerDragEnabled(true);
    mChart.setPinchZoom(true);
    mChart.setBackgroundColor(getResources().getColor(R.color.green_pressed));
    mChart.animateX(2500);

    Legend l = mChart.getLegend();
    l.setForm(Legend.LegendForm.LINE);
    l.setTypeface(BandApplication.INSTANCE.getTfLight());
    l.setTextSize(11f);
    l.setTextColor(Color.WHITE);
    l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);

    mChart.getXAxis().setEnabled(false);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    leftAxis.setTextColor(Color.RED);
    leftAxis.setDrawGridLines(true);
    leftAxis.setGranularityEnabled(true);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    rightAxis.setTextColor(Color.RED);
    rightAxis.setDrawGridLines(false);
    rightAxis.setDrawZeroLine(false);
    rightAxis.setGranularityEnabled(false);
}
 

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
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_performance_linechart);

    mTvCount = (TextView) findViewById(R.id.tvValueCount);
    mSeekBarValues = (SeekBar) findViewById(R.id.seekbarValues);
    mTvCount.setText("500");

    mSeekBarValues.setProgress(500);
    
    mSeekBarValues.setOnSeekBarChangeListener(this);

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

    // no description text
    mChart.setDescription("");
    mChart.setNoDataTextDescription("You need to provide data for the chart.");

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

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

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(false);
          
    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getAxisRight().setEnabled(false);
    mChart.getXAxis().setDrawGridLines(true);
    mChart.getXAxis().setDrawAxisLine(false);

    // dont forget to refresh the drawing
    mChart.invalidate();
}
 

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) {
    super.onCreateView(inflater, container, savedInstanceState);
    View rootView = inflater.inflate(R.layout.fragment_analysis, container, false);
    chart = (LineChart) rootView.findViewById(R.id.chart);
    chart.setDragEnabled(true);
    chart.setScaleXEnabled(true);
    chart.setScaleYEnabled(false);
    chart.setPinchZoom(true);
    chart.setHighlightEnabled(true);
    chart.setHighlightIndicatorEnabled(true);
    chart.animateXY(3000, 3000);
    return rootView;
}
 

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
@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);
}
 

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);

    tvX = (TextView) findViewById(R.id.tvXMax);
    tvY = (TextView) findViewById(R.id.tvYMax);

    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);

    mSeekBarX.setProgress(45);
    mSeekBarY.setProgress(100);

    mSeekBarY.setOnSeekBarChangeListener(this);
    mSeekBarX.setOnSeekBarChangeListener(this);

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);
    mChart.setDrawGridBackground(false);
    
    // no description text
    mChart.getDescription().setEnabled(false);

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

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

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

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

    // create a custom MarkerView (extend MarkerView) and specify the layout
    // to use for it
    MyMarkerView mv = new MyMarkerView(this, R.layout.custom_marker_view);
    mv.setChartView(mChart); // For bounds control
    mChart.setMarker(mv); // Set the marker to the chart
    
    XAxis xl = mChart.getXAxis();
    xl.setAvoidFirstLastClipping(true);
    xl.setAxisMinimum(0f);
    
    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setInverted(true);
    leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)
    
    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setEnabled(false);

    // add data
    setData(25, 50);

    // // restrain the maximum scale-out factor
    // mChart.setScaleMinima(3f, 3f);
    //
    // // center the view to a specific position inside the chart
    // mChart.centerViewPort(10, 50);

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

    // modify the legend ...
    l.setForm(LegendForm.LINE);

    // dont forget to refresh the drawing
    mChart.invalidate();
}