Java Legend.setEnabled方法代碼示例

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
/**
 * Create a legend based on a dummy chart.  The legend
 * is used by all charts and is positioned
 * across the top of the screen.
 * @param data - CombinedData used to generate the legend
 */
private void prepareLegend(final CombinedData data){
  //The dummy chart is never shown, but it's legend is.
  final CombinedChart dummyChart = (CombinedChart) mRoot.findViewById(R.id.legend);
  dummyChart.getPaint(Chart.PAINT_DESCRIPTION).setTextAlign(Paint.Align.CENTER);
  dummyChart.getXAxis().setEnabled(false);
  dummyChart.getAxisRight().setEnabled(false);
  dummyChart.getAxisLeft().setEnabled(false);
  final Description description = new Description();
  description.setText("");
  description.setTextSize(10f);
  dummyChart.setDescription(description);
  dummyChart.setBackgroundColor(Color.WHITE);
  dummyChart.setDrawGridBackground(false);
  dummyChart.setData(data);

  final Legend l = dummyChart.getLegend();
  l.setEnabled(true);
  // The positioning of the legend effectively
  // hides the dummy chart from view.
  l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER);
  l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
  dummyChart.invalidate();
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
private void customizePieChart() {
    pieChart.setUsePercentValues(true);
    pieChart.setDescription(" ");

    pieChart.setDrawHoleEnabled(true);
    pieChart.setHoleColor(Color.TRANSPARENT);
    pieChart.setHoleRadius(15);
    pieChart.setTransparentCircleRadius(20);

    pieChart.setRotationAngle(0);
    pieChart.setRotationEnabled(true);
    pieChart.animateY(2000);

    pieChart.setCenterTextSize(12);
    pieChart.setCenterTextColor(ContextCompat.getColor(getContext(), R.color.colorGraphite));
    pieChart.setDrawSliceText(false);

    Legend l = pieChart.getLegend();
    l.setEnabled(false);
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
@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.components.Legend; //導入方法依賴的package包/類
private void setData(int count, float range) {

        ArrayList<Entry> yVals = new ArrayList<Entry>();

        for (int i = 0; i < count; i++) {
            float mult = (range + 1);
            float val = (float) (Math.random() * mult) + 3;// + (float)
                                                           // ((mult *
                                                           // 0.1) / 10);
            yVals.add(new Entry(i * 0.001f, val));
        }

        // create a dataset and give it a type
        LineDataSet set1 = new LineDataSet(yVals, "DataSet 1");
        
        set1.setColor(Color.BLACK);
        set1.setLineWidth(0.5f);
        set1.setDrawValues(false);
        set1.setDrawCircles(false);
        set1.setMode(LineDataSet.Mode.LINEAR);
        set1.setDrawFilled(false);

        // create a data object with the datasets
        LineData data = new LineData(set1);

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

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
private void initBatteryChart() {
    mBatteryChart = findViewById(R.id.batteryPieChart);
    // configure pie chart
    mBatteryChart.setUsePercentValues(true);
    mBatteryChart.setDescription(new Description());
    // enable hole and configure
    mBatteryChart.setDrawHoleEnabled(true);
    Legend legend = mBatteryChart.getLegend();
    legend.setEnabled(false);
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
private void configChart(Station station, PieChart mChart) {
    mChart.setDescription("");
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

    mChart.setCenterText(getString(R.string.base_state));

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColorTransparent(true);

    mChart.setUsePercentValues(false);

    mChart.setTransparentCircleColor(Color.WHITE);
    mChart.setTransparentCircleAlpha(110);

    mChart.setHoleRadius(58f);
    mChart.setTransparentCircleRadius(61f);

    mChart.setDrawCenterText(true);

    mChart.setTouchEnabled(false);
    mChart.setRotationEnabled(false);
    mChart.setRotationAngle(0);

    setData(mChart, station);

    mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    // mChart.spin(2000, 0, 360);

    Legend l = mChart.getLegend();
    l.setEnabled(false);
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setXEntrySpace(7f);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
/**
 * Set the pie pattern
 * @param pieChart chart
 * @param chartData pie chart data
 * @param title chart title
 * @param tf Typeface font
 */
public static void setPieChart(PieChart pieChart, ChartData<?> chartData,
                               SpannableString title, Typeface tf) {
    chartData.setValueFormatter(new PercentFormatter());
    chartData.setValueTextSize(11f);
    chartData.setValueTextColor(Color.BLACK);
    chartData.setValueTypeface(tf);

    pieChart.setUsePercentValues(true);
    pieChart.getDescription().setEnabled(false);
    pieChart.setExtraOffsets(5, 10, 5, 5);
    pieChart.setDragDecelerationFrictionCoef(0.95f);
    pieChart.setCenterTextTypeface(tf);
    pieChart.setCenterText(title);
    pieChart.setExtraOffsets(20.f, 0.f, 20.f, 0.f);
    pieChart.setDrawHoleEnabled(true);
    pieChart.setHoleColor(Color.WHITE);
    pieChart.setTransparentCircleColor(Color.WHITE);
    pieChart.setTransparentCircleAlpha(110);
    pieChart.setHoleRadius(58f);
    pieChart.setTransparentCircleRadius(61f);
    pieChart.setDrawCenterText(true);
    pieChart.setRotationAngle(0);
    pieChart.setRotationEnabled(true);// enable rotation of the chart by touch
    pieChart.setHighlightPerTapEnabled(true);
    pieChart.setEntryLabelTextSize(10f);

    Legend l = pieChart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
    l.setOrientation(Legend.LegendOrientation.VERTICAL);
    l.setDrawInside(false);
    l.setEnabled(false);

    pieChart.setData((PieData) chartData);
    pieChart.animateY(DURATION_MEDIUM, Easing.EasingOption.EaseInOutQuad);
    pieChart.highlightValues(null);// undo all highlights
    pieChart.invalidate();

}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
/**
 * 初始化LineChart
 */
private void initLineChart() {
    //設置支持觸控
    mBarChart.setTouchEnabled(true); // 設置是否可以觸摸
    mBarChart.setDragEnabled(false);// 是否可以拖拽
    mBarChart.setScaleEnabled(false);// 是否可以縮放
    mBarChart.setBackgroundColor(Color.WHITE);//背景顏色
    mBarChart.setDrawGridBackground(false);  //網格
    mBarChart.setDrawBarShadow(false);//背景陰影
    mBarChart.setHighlightFullBarEnabled(false);//設置高光
    mBarChart.setDrawBorders(false);//顯示邊界
    mBarChart.getXAxis().setDrawGridLines(false);//是否顯示豎直標尺線
    mBarChart.getAxisLeft().setDrawGridLines(false);//是否顯示橫直標尺線
    mBarChart.getAxisRight().setEnabled(false);//是否顯示最右側豎線
    mBarChart.setDescription(null);

    //設置動畫效果
    mBarChart.animateY(1000, Easing.EasingOption.Linear);
    mBarChart.animateX(1000, Easing.EasingOption.Linear);

    //折線圖例 標簽 設置
    Legend legend = mBarChart.getLegend();
    legend.setForm(Legend.LegendForm.LINE);
    legend.setTextSize(11f);
    //顯示位置
    legend.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
    legend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
    legend.setOrientation(Legend.LegendOrientation.HORIZONTAL);
    legend.setDrawInside(false);
    legend.setEnabled(false);

    //XY軸的設置
    //X軸設置顯示位置在底部
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setGranularity(1f);
    //保證Y軸從0開始，不然會上移一點
    leftAxis.setAxisMinimum(0f);
    rightAxis.setAxisMinimum(0f);
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
private void setData(int count, float range) {

        ArrayList<String> xVals = new ArrayList<String>();
        for (int i = 0; i < count; i++) {
            xVals.add((i) + "");
        }

        ArrayList<Entry> yVals = new ArrayList<Entry>();

        for (int i = 0; i < count; i++) {
            float mult = (range + 1);
            float val = (float) (Math.random() * mult) + 3;// + (float)
                                                           // ((mult *
                                                           // 0.1) / 10);
            yVals.add(new Entry(val, i));
        }

        // create a dataset and give it a type
        LineDataSet set1 = new LineDataSet(yVals, "DataSet 1");
        
        set1.setColor(Color.BLACK);
        set1.setLineWidth(0.5f);
        set1.setDrawValues(false);
        set1.setDrawCircles(false);
        set1.setDrawCubic(false);
        set1.setDrawFilled(false);

        // create a data object with the datasets
        LineData data = new LineData(xVals, set1);

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

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
private void initializeChart() {
    chart.setUsePercentValues(true);
    chart.getDescription().setEnabled(false);
    chart.setDragDecelerationFrictionCoef(0.95f);
    chart.setCenterText(generateCenterSpannableText());
    chart.setExtraOffsets(15.f, 15.f, 15.f, 15.f);
    chart.setDrawHoleEnabled(true);
    chart.setHoleColor(Color.WHITE);
    chart.setTransparentCircleColor(Color.WHITE);
    chart.setTransparentCircleAlpha(110);
    chart.setHoleRadius(58f);
    chart.setTransparentCircleRadius(61f);
    chart.setDrawCenterText(true);
    chart.setRotationAngle(0);
    // enable rotation of the chart by touch
    chart.setRotationEnabled(true);
    chart.setHighlightPerTapEnabled(true);

    // add a selection listener
    chart.setOnChartValueSelectedListener(this);

    Legend l = chart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
    l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
    l.setDrawInside(false);
    l.setEnabled(true);
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
/**
 * Formats a pie chart in a standardized way
 * @param c Context
 * @param p Pie chart
 * @param shouldShowLegend
 * @return the PieChart, whose data must be set and invalidated
 */
public static PieChart getFormattedPieChart(Context c, PieChart p, boolean shouldShowLegend) {
    Legend cLegend = p.getLegend();
    if (shouldShowLegend) {
        cLegend.setEnabled(true);
        cLegend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.CENTER);
        cLegend.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
        cLegend.setOrientation(Legend.LegendOrientation.HORIZONTAL);
        cLegend.setDrawInside(false);
        cLegend.setForm(Legend.LegendForm.CIRCLE);
        cLegend.setTextSize(15);
        cLegend.setWordWrapEnabled(true);
    } else {
        cLegend.setEnabled(false);
    }

    p.setDrawEntryLabels(false);
    p.setDescription(EMPTY_CHART_DESCRIPTION);
    p.setHoleRadius(60f);
    p.setTransparentCircleRadius(65f);
    p.setCenterTextSize(20);

    if (SettingsActivity.getTheme(c) == SettingsActivity.THEME_NOIR) {
        int colorPrimaryNoir = ContextCompat.getColor(c, R.color.colorPrimaryNoir);
        int colorPrimaryTextNoir = ContextCompat.getColor(c, R.color.colorPrimaryTextNoir);

        p.setHoleColor(colorPrimaryNoir);
        p.setTransparentCircleColor(colorPrimaryNoir);
        p.setCenterTextColor(colorPrimaryTextNoir);
        cLegend.setTextColor(colorPrimaryTextNoir);
    }

    p.setRotationEnabled(false);

    p.setOnChartValueSelectedListener(new PieChartListener(p));
    return p;
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
/**
 * 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.components.Legend; //導入方法依賴的package包/類
/**
 * 初始化圖表
 *
 * @param chart 原始圖表
 * @return 初始化後的圖表
 */
public static LineChart initChart(LineChart chart) {
    // 不顯示數據描述
    chart.getDescription().setEnabled(false);
    // 沒有數據的時候，顯示“暫無數據”
    chart.setNoDataText("暫無數據");
    // 不顯示表格顏色
    chart.setDrawGridBackground(false);
    // 不可以縮放
    chart.setScaleEnabled(false);
    // 不顯示y軸右邊的值
    chart.getAxisRight().setEnabled(false);
    // 不顯示圖例
    Legend legend = chart.getLegend();
    legend.setEnabled(false);
    // 向左偏移15dp，抵消y軸向右偏移的30dp
    chart.setExtraLeftOffset(-15);

    XAxis xAxis = chart.getXAxis();
    // 不顯示x軸
    xAxis.setDrawAxisLine(false);
    // 設置x軸數據的位置
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setTextColor(Color.WHITE);
    xAxis.setTextSize(12);
    xAxis.setGridColor(Color.parseColor("#30FFFFFF"));
    // 設置x軸數據偏移量
    xAxis.setYOffset(-12);

    YAxis yAxis = chart.getAxisLeft();
    // 不顯示y軸
    yAxis.setDrawAxisLine(false);
    // 設置y軸數據的位置
    yAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
    // 不從y軸發出橫向直線
    yAxis.setDrawGridLines(false);
    yAxis.setTextColor(Color.WHITE);
    yAxis.setTextSize(12);
    // 設置y軸數據偏移量
    yAxis.setXOffset(30);
    yAxis.setYOffset(-3);
    yAxis.setAxisMinimum(0);

    //Matrix matrix = new Matrix();
    // x軸縮放1.5倍
    //matrix.postScale(1.5f, 1f);
    // 在圖表動畫顯示之前進行縮放
    //chart.getViewPortHandler().refresh(matrix, chart, false);
    // x軸執行動畫
    //chart.animateX(2000);
    chart.invalidate();
    return chart;
}
 

import com.github.mikephil.charting.components.Legend; //導入方法依賴的package包/類
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.components.Legend; //導入方法依賴的package包/類
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_piechart);

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

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

    mSeekBarY.setProgress(10);

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

    mChart = (PieChart) findViewById(R.id.chart1);
    mChart.setUsePercentValues(true);
    mChart.getDescription().setEnabled(false);
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

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

    mChart.setCenterTextTypeface(Typeface.createFromAsset(getAssets(), "OpenSans-Light.ttf"));
    mChart.setCenterText(generateCenterSpannableText());

    mChart.setExtraOffsets(20.f, 0.f, 20.f, 0.f);

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColor(Color.WHITE);

    mChart.setTransparentCircleColor(Color.WHITE);
    mChart.setTransparentCircleAlpha(110);

    mChart.setHoleRadius(58f);
    mChart.setTransparentCircleRadius(61f);

    mChart.setDrawCenterText(true);

    mChart.setRotationAngle(0);
    // enable rotation of the chart by touch
    mChart.setRotationEnabled(true);
    mChart.setHighlightPerTapEnabled(true);

    // mChart.setUnit(" €");
    // mChart.setDrawUnitsInChart(true);

    // add a selection listener
    mChart.setOnChartValueSelectedListener(this);

    setData(4, 100);

    mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    // mChart.spin(2000, 0, 360);

    Legend l = mChart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
    l.setOrientation(Legend.LegendOrientation.VERTICAL);
    l.setDrawInside(false);
    l.setEnabled(false);
}