Java BarChart.setFitBars方法代碼示例

import com.github.mikephil.charting.charts.BarChart; //導入方法依賴的package包/類
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.timevis_layout);

    barchart = (BarChart) findViewById(R.id.barchart);

    Intent intent = getIntent();
    String ot = intent.getExtras().getString("ot");
    String pt = intent.getExtras().getString("pt");
    String lt = intent.getExtras().getString("lt");
    String pert = intent.getExtras().getString("pert");


    Float otf = Float.valueOf(ot);
    Float ptf = Float.valueOf(pt);
    Float ltf = Float.valueOf(lt);
    Float pertf = Float.valueOf(pert);


    List<BarEntry> entries = new ArrayList<>();
    entries.add(new BarEntry(0f, otf.floatValue()));
    entries.add(new BarEntry(1f, ptf.floatValue()));
    entries.add(new BarEntry(2f, ltf.floatValue()));
    entries.add(new BarEntry(3f, pertf.floatValue()));


    BarDataSet set = new BarDataSet(entries, "Time Visualization");
    BarData data = new BarData(set);
    data.setBarWidth(0.9f); // set custom bar width
    barchart.setData(data);
    barchart.setFitBars(true); // make the x-axis fit exactly all bars
    barchart.invalidate();


}
 

import com.github.mikephil.charting.charts.BarChart; //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_scrollview);

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

    mChart.getDescription().setEnabled(false);

    // scaling can now only be done on x- and y-axis separately
    mChart.setPinchZoom(false);

    mChart.setDrawBarShadow(false);
    mChart.setDrawGridBackground(false);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setDrawGridLines(false);

    mChart.getAxisLeft().setDrawGridLines(false);
    
    mChart.getLegend().setEnabled(false);

    setData(10);
    mChart.setFitBars(true);
}
 

import com.github.mikephil.charting.charts.BarChart; //導入方法依賴的package包/類
/**
 * Set the horizontal bar pattern
 * @param barChart chart
 * @param chartData horizontal bar chart data
 * @param jobs string array of job titles
 * @param typeface Typeface font
 */
public static void setHorizontalBarChart(BarChart barChart, final ChartData<?> chartData,
                                         final String[] jobs, Typeface typeface) {
    barChart.setDrawGridBackground(false);
    XAxis xAxis = barChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    //xAxis.setLabelCount(chartData.getEntryCount());
    xAxis.setLabelCount(jobs.length);
    xAxis.setTypeface(typeface);
    xAxis.setDrawAxisLine(true);
    xAxis.setDrawGridLines(false);
    xAxis.setGranularity(1f);

    YAxis leftAxis = barChart.getAxisLeft();
    leftAxis.setTypeface(typeface);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinimum(0f);
    leftAxis.setGranularity(1f);
    leftAxis.setDrawAxisLine(true);
    leftAxis.setDrawGridLines(true);
    YAxis axisRight = barChart.getAxisRight();
    axisRight.setTypeface(typeface);
    axisRight.setDrawAxisLine(true);
    axisRight.setDrawGridLines(false);
    axisRight.setGranularity(1f);
    axisRight.setAxisMinimum(0f);

    final Legend legend = barChart.getLegend();
    legend.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
    legend.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
    legend.setOrientation(Legend.LegendOrientation.HORIZONTAL);
    legend.setDrawInside(false);
    legend.setFormSize(8f);
    legend.setXEntrySpace(4f);
    barChart.setData((BarData) chartData);
    barChart.setFitBars(true);
    barChart.animateY(DURATION_LONG);
    xAxis.setValueFormatter(new HorizontalBarValueFormatter(jobs));
}
 

import com.github.mikephil.charting.charts.BarChart; //導入方法依賴的package包/類
/**
 * Set the vertical bar  pattern
 * @param barChart chart
 * @param chartData pie chart data
 * @param typeface Typeface font
 */
public static void setVerticalBarChart(Context context, BarChart barChart, ChartData<?> chartData,
                                        Typeface typeface) {
    // create a custom MarkerView (extend MarkerView) and specify the layout to use for it
    ExperienceMarker marker = new ExperienceMarker(context, R.layout.marker_exp_age);
    marker.setChartView(barChart); // For bounds control
    barChart.setMarker(marker);
    //fix crash com.github.mikephil.charting.charts.Chart.drawMarkers(Chart.java:731)
    barChart.setDrawMarkers(false);

    barChart.getDescription().setEnabled(false);
    barChart.setDrawGridBackground(false);
    barChart.setDrawBarShadow(false);
    XAxis xAxis = barChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    //Sets the number of labels for the x-axis (display all the x-axis values)
   // xAxis.setLabelCount(chartData.getEntryCount());
    xAxis.setTypeface(typeface);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(true);
    YAxis leftAxis = barChart.getAxisLeft();
    leftAxis.setTypeface(typeface);
    leftAxis.setSpaceTop(20f);
    leftAxis.setAxisMinimum(0f);

    YAxis rightAxis = barChart.getAxisRight();
    rightAxis.setTypeface(typeface);
    rightAxis.setSpaceTop(20f);
    rightAxis.setAxisMinimum(0f);
    chartData.setValueTypeface(typeface);
    barChart.setData((BarData) chartData);
    barChart.setFitBars(true);
    barChart.animateY(DURATION_SHORT);
}
 

import com.github.mikephil.charting.charts.BarChart; //導入方法依賴的package包/類
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.suite_fragment, container, false);

    mChart = (BarChart) v.findViewById(R.id.chart);
    mChart.setNoDataText(null);
    mChart.setNoDataTextColor(0xFF000000);
    mChart.setFitBars(true);

    return v;
}
 

import com.github.mikephil.charting.charts.BarChart; //導入方法依賴的package包/類
public HistogramChart(Context context, AttributeSet attrs) {
    super(context, attrs);
    inflate(getContext(), R.layout.histogram, this);

    barChart = (BarChart) findViewById(R.id.bar_chart);
    findViewById(R.id.button_close_bar_chart).setOnClickListener(this);

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HistogramChart);
    final String descString;
    final int numDataSets;
    final float binWidth;
    try {
        descString = a.getString(R.styleable.HistogramChart_description);
        numDataSets = a.getInteger(R.styleable.HistogramChart_numDataSets, 1);
        binWidth = a.getFloat(R.styleable.HistogramChart_binWidth, 5f);
    } finally {
        a.recycle();
    }

    ArrayList<IBarDataSet> dataSets = new ArrayList<>(numDataSets);
    for (int i = 0; i < numDataSets; i++) {
        final BarDataSet dataSet = new BarDataSet(new ArrayList<BarEntry>(), "");
        dataSet.setColor(ColorTemplate.MATERIAL_COLORS[i]);
        dataSets.add(dataSet);
    }

    BarData barData = new BarData(dataSets);
    barData.setBarWidth((1f - GROUP_SPACE)/numDataSets);
    barChart.setData(barData);
    histogramData = new HistogramData(numDataSets, binWidth);
    groupBars(barData);
    final Description desc = new Description();
    desc.setText(descString);
    desc.setTextSize(12f);
    barChart.setDescription(desc);

    XAxis xAxis = barChart.getXAxis();
    xAxis.setGranularityEnabled(true);
    xAxis.setGranularity(1);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setValueFormatter(new IAxisValueFormatter() {
        DecimalFormat df = new DecimalFormat("#.##");

        @Override
        public String getFormattedValue(float value, AxisBase axis) {
            return df.format(histogramData.getDisplayValue(value));
        }
    });

    barChart.setFitBars(true);
    barChart.invalidate();
}