Java Code Examples for com.github.mikephil.charting.components.YAxis#setSpaceTop()

private void setupYAxis()
{
    int valuesSelectedItemPos = cache.getValuesSpinner().getSelectedItemPosition();
    YAxis leftAxis = this.chart.getAxisLeft();
    leftAxis.setLabelCount(10, false);
    leftAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setSpaceTop(20f);
    leftAxis.setAxisMinValue(0f);
    leftAxis.setValueFormatter(new PFAYAxisLabels(context, valuesSelectedItemPos, cache.getNumberScale()));

    if ( valuesSelectedItemPos == StatisticsQuery.QUANTITY )
    {
        leftAxis.setGranularity(1f); // interval 1
    }

    YAxis rightAxis = this.chart.getAxisRight();
    rightAxis.setEnabled(false);
}
 

private void initChart() {
    barChart.setDrawBarShadow(false);
    barChart.setDrawValueAboveBar(true);
    barChart.getDescription().setEnabled(false);
    barChart.setPinchZoom(false);
    barChart.setMaxVisibleValueCount(60);
    barChart.getLegend().setEnabled(false);
    barChart.setDrawGridBackground(false);
    barChart.getAxisRight().setEnabled(false);
    barChart.setScaleYEnabled(false);

    dayAxisValueFormatter = new DayAxisValueFormatter();
    XAxis xAxis = barChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setLabelRotationAngle(270);
    xAxis.setDrawGridLines(false);
    xAxis.setGranularity(1f);
    xAxis.setTextColor(getOutlayTheme().secondaryTextColor);
    xAxis.setValueFormatter(dayAxisValueFormatter);


    YAxis leftAxis = barChart.getAxisLeft();
    leftAxis.setValueFormatter(new AmountValueFormatter());
    leftAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setTextColor(getOutlayTheme().secondaryTextColor);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinimum(0f);
}
 

@Override
        public View getView(int position, View convertView, ViewGroup parent) {

            BarData data = getItem(position);

            ViewHolder holder = null;

            if (convertView == null) {

                holder = new ViewHolder();

                convertView = LayoutInflater.from(getContext()).inflate(
                        R.layout.list_item_barchart, null);
                holder.chart = (BarChart) convertView.findViewById(R.id.chart);

                convertView.setTag(holder);

            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            // apply styling
            data.setValueTypeface(mTf);
            data.setValueTextColor(Color.BLACK);
            holder.chart.setDescription("");
            holder.chart.setDrawGridBackground(false);

            XAxis xAxis = holder.chart.getXAxis();
            xAxis.setPosition(XAxisPosition.BOTTOM);
            xAxis.setTypeface(mTf);
            xAxis.setDrawGridLines(false);
            
            YAxis leftAxis = holder.chart.getAxisLeft();
            leftAxis.setTypeface(mTf);
            leftAxis.setLabelCount(5, false);
            leftAxis.setSpaceTop(15f);
            
            YAxis rightAxis = holder.chart.getAxisRight();
            rightAxis.setTypeface(mTf);
            rightAxis.setLabelCount(5, false);
            rightAxis.setSpaceTop(15f);

            // set data
            holder.chart.setData(data);
            
            // do not forget to refresh the chart
//            holder.chart.invalidate();
            holder.chart.animateY(700, Easing.EasingOption.EaseInCubic);

            return convertView;
        }
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    if(view == null) {
        // Inflate the layout for this fragment
        view = inflater.inflate(R.layout.fragment_measurement_spectrum, container, false);
        BarChart sChart = (BarChart) view.findViewById(R.id.spectrumChart);
        sChart.setDrawBarShadow(false);
        sChart.setDescription("");
        sChart.getLegend().setEnabled(false);
        sChart.setTouchEnabled(false);
        sChart.setPinchZoom(false);
        sChart.setDrawGridBackground(false);
        sChart.setMaxVisibleValueCount(0);
        sChart.setHorizontalScrollBarEnabled(false);
        sChart.setVerticalScrollBarEnabled(false);
        sChart.setNoDataTextDescription(getText(R.string.no_data_text_description).toString());
        // XAxis parameters:
        XAxis xls = sChart.getXAxis();
        xls.setPosition(XAxis.XAxisPosition.BOTTOM);
        xls.setDrawAxisLine(true);
        xls.setDrawGridLines(false);
        xls.setDrawLabels(true);
        xls.setTextColor(Color.WHITE);
        xls.setAvoidFirstLastClipping(false);
        // YAxis parameters (left): main axis for dB values representation
        YAxis yls = sChart.getAxisLeft();
        yls.setDrawAxisLine(true);
        yls.setDrawGridLines(true);
        yls.setAxisMaxValue(100.f);
        yls.setAxisMinValue(0f);
        yls.setTextColor(Color.WHITE);
        yls.setGridColor(Color.WHITE);
        yls.setSpaceBottom(0);
        yls.setSpaceTop(0);
        yls.setValueFormatter(new SPLValueFormatter());
        // YAxis parameters (right): no axis, hide all
        YAxis yrs = sChart.getAxisRight();
        yrs.setEnabled(false);
    }
    return view;
}
 

private void initializeViews() {
    titleTextView = (TextView) findViewById(R.id.view_chart_line_title);
    titleTextView.setText(titleText);
    titleTextView.setTextColor(titleTextColor);
    titleTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX, titleTextSize);
    titleTextView.setTypeface(Typeface.create(titleTextTypeface, Typeface.NORMAL));

    expand = (ImageView) findViewById(R.id.view_chart_line_expand);
    if (expandTintColor != 0) {
        Drawable drawable = expand.getDrawable();
        drawable = DrawableCompat.wrap(drawable);
        DrawableCompat.setTint(drawable, expandTintColor);
        expand.setImageDrawable(drawable);
    }

    chart = (LineChart) findViewById(R.id.view_chart_line);
    chart.getLegend().setEnabled(false);
    chart.setDescription("");
    chart.setDrawBorders(false);
    chart.setDrawGridBackground(false);
    chart.setPinchZoom(false);
    chart.setTouchEnabled(true);
    chart.setDragEnabled(true);
    chart.setExtraLeftOffset(0);
    chart.setExtraBottomOffset(8);
    chart.setExtraTopOffset(0);

    XAxis xAxis = chart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setDrawAxisLine(false);
    xAxis.setDrawGridLines(false);
    xAxis.setLabelsToSkip(0);
    xAxis.setXOffset(16);
    xAxis.setTextSize(chartXAxisTextSize);
    xAxis.setTextColor(chartXAxisTextColor);
    xAxis.setTypeface(Typeface.create(chartXAxisTextTypeface, Typeface.NORMAL));

    YAxis yAxisLeft = chart.getAxisLeft();
    yAxisLeft.setDrawAxisLine(false);
    yAxisLeft.setDrawGridLines(false);
    yAxisLeft.setDrawZeroLine(false);
    yAxisLeft.setDrawLabels(true);
    yAxisLeft.setShowOnlyMinMax(true);
    yAxisLeft.setXOffset(16);
    yAxisLeft.setTextSize(chartYAxisTextSize);
    yAxisLeft.setTextColor(chartYAxisTextColor);
    yAxisLeft.setTypeface(Typeface.create(chartYAxisTextTypeface, Typeface.NORMAL));

    YAxis yAxisRight = chart.getAxisRight();
    yAxisRight.setDrawAxisLine(false);
    yAxisRight.setDrawGridLines(false);
    yAxisRight.setDrawZeroLine(false);
    yAxisRight.setDrawLabels(false);
    yAxisRight.setSpaceTop(0);
}
 

protected void setYAxisConfig(YAxis axis, ReadableMap propMap) {
    if (BridgeUtils.validate(propMap, ReadableType.Number, "axisMaxValue")) {
        axis.setAxisMaxValue((float) propMap.getDouble("axisMaxValue"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "axisMinValue")) {
        axis.setAxisMinValue((float) propMap.getDouble("axisMinValue"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "inverted")) {
        axis.setInverted(propMap.getBoolean("inverted"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "spaceTop")) {
        axis.setSpaceTop((float) propMap.getDouble("spaceTop"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "spaceBottom")) {
        axis.setSpaceBottom((float) propMap.getDouble("spaceBottom"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "showOnlyMinMax")) {
        axis.setShowOnlyMinMax(propMap.getBoolean("showOnlyMinMax"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "labelCount")) {
        boolean labelCountForce = false;
        if (BridgeUtils.validate(propMap, ReadableType.Boolean, "labelCountForce")) {
            labelCountForce = propMap.getBoolean("labelCountForce");
        }
        axis.setLabelCount(propMap.getInt("labelCount"), labelCountForce);
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "position")) {
        axis.setPosition(YAxis.YAxisLabelPosition.valueOf(propMap.getString("position")));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "granularity")) {
        axis.setGranularity((float) propMap.getDouble("granularity"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "granularityEnabled")) {
        axis.setGranularityEnabled(propMap.getBoolean("granularityEnabled"));
    }


    // formatting
    if (BridgeUtils.validate(propMap, ReadableType.String, "valueFormatter")) {
        String valueFormatter = propMap.getString("valueFormatter");

        if ("largeValue".equals(valueFormatter)) {
            axis.setValueFormatter(new LargeValueFormatter());
        } else if ("percent".equals(valueFormatter)) {
            axis.setValueFormatter(new PercentFormatter());
        } else {
            axis.setValueFormatter(new CustomFormatter(valueFormatter));
        }
    }

    // TODO docs says the remaining config needs to be applied before setting data. Test it
    // zero line
    if (BridgeUtils.validate(propMap, ReadableType.Map, "zeroLine")) {
        ReadableMap zeroLineConfig = propMap.getMap("zeroLine");

        if (BridgeUtils.validate(zeroLineConfig, ReadableType.Boolean, "enabled")) {
            axis.setDrawZeroLine(zeroLineConfig.getBoolean("enabled"));
        }
        if (BridgeUtils.validate(zeroLineConfig, ReadableType.Number, "lineWidth")) {
            axis.setZeroLineWidth((float) zeroLineConfig.getDouble("lineWidth"));
        }
        if (BridgeUtils.validate(zeroLineConfig, ReadableType.String, "lineColor")) {
            axis.setZeroLineColor(Color.parseColor(zeroLineConfig.getString("lineColor")));
        }
    }
}
 

@Override
    public View getView(int position, View convertView, Context c) {

        ViewHolder holder = null;

        if (convertView == null) {

            holder = new ViewHolder();

            convertView = LayoutInflater.from(c).inflate(
                    R.layout.list_item_barchart, null);
            holder.chart = (BarChart) convertView.findViewById(R.id.chart);

            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        // apply styling
        holder.chart.setDescription("");
        holder.chart.setDrawGridBackground(false);
        holder.chart.setDrawBarShadow(false);

        XAxis xAxis = holder.chart.getXAxis();
        xAxis.setPosition(XAxisPosition.BOTTOM);
        xAxis.setTypeface(mTf);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(true);
        
        YAxis leftAxis = holder.chart.getAxisLeft();
        leftAxis.setTypeface(mTf);
        leftAxis.setLabelCount(5, false);
        leftAxis.setSpaceTop(20f);
        leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)
       
        YAxis rightAxis = holder.chart.getAxisRight();
        rightAxis.setTypeface(mTf);
        rightAxis.setLabelCount(5, false);
        rightAxis.setSpaceTop(20f);
        rightAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

        mChartData.setValueTypeface(mTf);
        
        // set data
        holder.chart.setData((BarData) mChartData);
        
        // do not forget to refresh the chart
//        holder.chart.invalidate();
        holder.chart.animateY(700);

        return convertView;
    }
 

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

    mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");
    mChart = (BarChart) findViewById(R.id.chart1);
    mChart.setBackgroundColor(Color.WHITE);
    mChart.setExtraTopOffset(-30f);
    mChart.setExtraBottomOffset(10f);
    mChart.setExtraLeftOffset(70f);
    mChart.setExtraRightOffset(70f);

    mChart.setDrawBarShadow(false);
    mChart.setDrawValueAboveBar(true);

    mChart.setDescription("");

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

    mChart.setDrawGridBackground(false);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setTypeface(mTf);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);
    xAxis.setSpaceBetweenLabels(2);
    xAxis.setTextColor(Color.LTGRAY);
    xAxis.setTextSize(13f);

    YAxis left = mChart.getAxisLeft();
    left.setDrawLabels(false);
    left.setStartAtZero(false);
    left.setSpaceTop(25f);
    left.setSpaceBottom(25f);
    left.setDrawAxisLine(false);
    left.setDrawGridLines(false);
    left.setDrawZeroLine(true); // draw a zero line
    left.setZeroLineColor(Color.GRAY);
    left.setZeroLineWidth(0.7f);
    mChart.getAxisRight().setEnabled(false);
    mChart.getLegend().setEnabled(false);

    // THIS IS THE ORIGINAL DATA YOU WANT TO PLOT
    List<Data> data = new ArrayList<>();
    data.add(new Data(0, -224.1f, "12-29"));
    data.add(new Data(1, 238.5f, "12-30"));
    data.add(new Data(2, 1280.1f, "12-31"));
    data.add(new Data(3, -442.3f, "01-01"));
    data.add(new Data(4, -2280.1f, "01-02"));

    setData(data);
}
 

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

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

    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarX.setOnSeekBarChangeListener(this);

    mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
    mSeekBarY.setOnSeekBarChangeListener(this);

    mChart = (BubbleChart) findViewById(R.id.chart1);
    mChart.setDescription("");

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

    mChart.setOnChartValueSelectedListener(this);

    mChart.setDrawGridBackground(false);

    mChart.setTouchEnabled(true);

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

    mChart.setMaxVisibleValueCount(200);
    mChart.setPinchZoom(true);

    mSeekBarX.setProgress(5);
    mSeekBarY.setProgress(50);

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setTypeface(tf);

    YAxis yl = mChart.getAxisLeft();
    yl.setTypeface(tf);
    yl.setSpaceTop(30f);
    yl.setSpaceBottom(30f);
    yl.setDrawZeroLine(false);
    
    mChart.getAxisRight().setEnabled(false);

    XAxis xl = mChart.getXAxis();
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setTypeface(tf);
}
 

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

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

        mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
        mSeekBarX.setOnSeekBarChangeListener(this);

        mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
        mSeekBarY.setOnSeekBarChangeListener(this);

        mChart = (BarChart) findViewById(R.id.chart1);
        mChart.setOnChartValueSelectedListener(this);
        mChart.setDescription("");

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

        mChart.setDrawBarShadow(false);

        mChart.setDrawGridBackground(false);

        // create a custom MarkerView (extend MarkerView) and specify the layout
        // to use for it
        MyMarkerView mv = new MyMarkerView(this, R.layout.custom_marker_view);

        // define an offset to change the original position of the marker
        // (optional)
        // mv.setOffsets(-mv.getMeasuredWidth() / 2, -mv.getMeasuredHeight());

        // set the marker to the chart
        mChart.setMarkerView(mv);

        mSeekBarX.setProgress(10);
        mSeekBarY.setProgress(100);

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

        Legend l = mChart.getLegend();
        l.setPosition(LegendPosition.RIGHT_OF_CHART_INSIDE);
        l.setTypeface(tf);
        l.setYOffset(0f);
        l.setYEntrySpace(0f);
        l.setTextSize(8f);

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

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(tf);
        leftAxis.setValueFormatter(new LargeValueFormatter());
        leftAxis.setDrawGridLines(false);
        leftAxis.setSpaceTop(30f);
        leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

        mChart.getAxisRight().setEnabled(false);
    }
 

@SuppressLint("InflateParams")
    @Override
    public View getView(int position, View convertView, Context c) {

        ViewHolder holder;

        if (convertView == null) {

            holder = new ViewHolder();

            convertView = LayoutInflater.from(c).inflate(
                    R.layout.stats_item_barchart, null);
            holder.chart = convertView.findViewById(R.id.chart);

            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        // apply styling
        holder.chart.getDescription().setEnabled(false);
        holder.chart.setDrawGridBackground(false);
        holder.chart.setDrawBarShadow(false);

        XAxis xAxis = holder.chart.getXAxis();
        xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(true);

        YAxis leftAxis = holder.chart.getAxisLeft();
        leftAxis.setLabelCount(5, false);
        leftAxis.setSpaceTop(20f);
        leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

        YAxis rightAxis = holder.chart.getAxisRight();
        rightAxis.setLabelCount(5, false);
        rightAxis.setSpaceTop(20f);
        rightAxis.setAxisMinimum(0f); // this replac

        // set data
        holder.chart.setData((BarData) mChartData);
        holder.chart.setFitBars(true);

        // do not forget to refresh the chart
//        holder.chart.invalidate();
        holder.chart.animateY(700);

        return convertView;
    }
 

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

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

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

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

    mChart.setDrawBarShadow(false);
    mChart.setDrawValueAboveBar(true);

    mChart.setDescription("");

    // if more than 60 entries are displayed in the chart, no values will be
    // drawn
    mChart.setMaxVisibleValueCount(60);

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

    mChart.setDrawGridBackground(false);
    // mChart.setDrawYLabels(false);

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

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setTypeface(mTf);
    xAxis.setDrawGridLines(false);
    xAxis.setSpaceBetweenLabels(2);

    YAxisValueFormatter custom = new MyYAxisValueFormatter();

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(mTf);
    leftAxis.setLabelCount(8, false);
    leftAxis.setValueFormatter(custom);
    leftAxis.setPosition(YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(mTf);
    rightAxis.setLabelCount(8, false);
    rightAxis.setValueFormatter(custom);
    rightAxis.setSpaceTop(15f);
    rightAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.BELOW_CHART_LEFT);
    l.setForm(LegendForm.SQUARE);
    l.setFormSize(9f);
    l.setTextSize(11f);
    l.setXEntrySpace(4f);
    // l.setExtra(ColorTemplate.VORDIPLOM_COLORS, new String[] { "abc",
    // "def", "ghj", "ikl", "mno" });
    // l.setCustom(ColorTemplate.VORDIPLOM_COLORS, new String[] { "abc",
    // "def", "ghj", "ikl", "mno" });

    setData(12, 50);

    // setting data
    mSeekBarY.setProgress(50);
    mSeekBarX.setProgress(12);

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

    // mChart.setDrawLegend(false);
}
 

@Override
    protected void initData() {
        ivBack.setVisibility(View.VISIBLE);
        ivSetting.setVisibility(View.GONE);
        tvTitle.setText("柱状图");

        //初始化字体库
        mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");
        //图表的描述
        barChart.setDescription("三星note7爆炸事件关注度");
        //设置网格背景
        barChart.setDrawGridBackground(false);
        //是否设置阴影的显示
        barChart.setDrawBarShadow(false);

        //获取x轴
        XAxis xAxis = barChart.getXAxis();
        //设置x轴的显示位置
        xAxis.setPosition(XAxis.XAxisPosition.TOP);
        //设置x轴的字体
        xAxis.setTypeface(mTf);
        //是否绘制x轴网格线
        xAxis.setDrawGridLines(false);
        //是否绘制x轴轴线
        xAxis.setDrawAxisLine(true);

        //获取y轴
        YAxis leftAxis = barChart.getAxisLeft();
        //设置y轴的字体
        leftAxis.setTypeface(mTf);
        //参数1：设置显示的区间的个数。参数2：是否均匀分布。fasle:均匀显示区间的端点值。
        leftAxis.setLabelCount(5, false);
        //设置最高的柱状图距离顶端的距离
        leftAxis.setSpaceTop(50f);

        YAxis rightAxis = barChart.getAxisRight();
        rightAxis.setEnabled(false);//是否显示右边的y轴

        BarData mChartData = generateDataBar();
        mChartData.setValueTypeface(mTf);

        // set data
        barChart.setData(mChartData);

        // do not forget to refresh the chart
//        barChart.invalidate();
        barChart.animateY(700);
    }
 

protected void initBottomChart(AppCombinedChart chart) {
        chart.setScaleEnabled(true);
        chart.setDrawBorders(false);
        chart.setBorderWidth(1);
        chart.setDragEnabled(true);
        chart.setScaleYEnabled(false);
        chart.setAutoScaleMinMaxEnabled(true);
        chart.setDragDecelerationEnabled(false);
        chart.setHighlightPerDragEnabled(false);
        Legend lineChartLegend = chart.getLegend();
        lineChartLegend.setEnabled(false);


        XAxis xAxisVolume = chart.getXAxis();
        xAxisVolume.setDrawLabels(true);
        xAxisVolume.setDrawAxisLine(false);
        xAxisVolume.setDrawGridLines(false);
        xAxisVolume.setTextColor(mAxisColor);
        xAxisVolume.setPosition(XAxis.XAxisPosition.BOTTOM);
        xAxisVolume.setLabelCount(3, true);
        xAxisVolume.setAvoidFirstLastClipping(true);
        xAxisVolume.setAxisMinimum(-0.5f);

        xAxisVolume.setValueFormatter(new IAxisValueFormatter() {
            @Override
            public String getFormattedValue(float value, AxisBase axis) {
                if (mData.isEmpty()) {
                    return "";
                }
                if (value < 0) {
                    value = 0;
                }
                if (value < mData.size()) {
                    return DateUtils.formatDate(mData.get((int) value).getDate(), mDateFormat);
                }
                return "";
            }
        });

        YAxis axisLeftVolume = chart.getAxisLeft();
        axisLeftVolume.setDrawLabels(true);
        axisLeftVolume.setDrawGridLines(false);
        axisLeftVolume.setLabelCount(3, true);
        axisLeftVolume.setDrawAxisLine(false);
        axisLeftVolume.setTextColor(mAxisColor);
        axisLeftVolume.setSpaceTop(10);
        axisLeftVolume.setSpaceBottom(0);
        axisLeftVolume.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
        /*axisLeftVolume.setValueFormatter(new IAxisValueFormatter() {
            @Override
            public String getFormattedValue(float value, AxisBase axis) {
                String s;
                if (value > 10000) {
                    s = (int) (value / 10000) + "w";
                } else if (value > 1000) {
                    s = (int) (value / 1000) + "k";
                } else {
                    s = (int) value + "";
                }
                return String.format(Locale.getDefault(), "%1$5s", s);
            }
        });
*/
        Transformer leftYTransformer = chart.getRendererLeftYAxis().getTransformer();
        ColorContentYAxisRenderer leftColorContentYAxisRenderer = new ColorContentYAxisRenderer(chart.getViewPortHandler(), chart.getAxisLeft(), leftYTransformer);
        leftColorContentYAxisRenderer.setLabelInContent(true);
        leftColorContentYAxisRenderer.setUseDefaultLabelXOffset(false);
        chart.setRendererLeftYAxis(leftColorContentYAxisRenderer);

        //右边y
        YAxis axisRightVolume = chart.getAxisRight();
        axisRightVolume.setDrawLabels(false);
        axisRightVolume.setDrawGridLines(false);
        axisRightVolume.setDrawAxisLine(false);

    }
 

@SuppressLint("InflateParams")
    @Override
    public View getView(int position, View convertView, Context c) {

        ViewHolder holder;

        if (convertView == null) {

            holder = new ViewHolder();

            convertView = LayoutInflater.from(c).inflate(
                    R.layout.list_item_barchart, null);
            holder.chart = convertView.findViewById(R.id.chart);

            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        // apply styling
        holder.chart.getDescription().setEnabled(false);
        holder.chart.setDrawGridBackground(false);
        holder.chart.setDrawBarShadow(false);

        XAxis xAxis = holder.chart.getXAxis();
        xAxis.setPosition(XAxisPosition.BOTTOM);
        xAxis.setTypeface(mTf);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(true);

        YAxis leftAxis = holder.chart.getAxisLeft();
        leftAxis.setTypeface(mTf);
        leftAxis.setLabelCount(5, false);
        leftAxis.setSpaceTop(20f);
        leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

        YAxis rightAxis = holder.chart.getAxisRight();
        rightAxis.setTypeface(mTf);
        rightAxis.setLabelCount(5, false);
        rightAxis.setSpaceTop(20f);
        rightAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

        mChartData.setValueTypeface(mTf);

        // set data
        holder.chart.setData((BarData) mChartData);
        holder.chart.setFitBars(true);

        // do not forget to refresh the chart
//        holder.chart.invalidate();
        holder.chart.animateY(700);

        return convertView;
    }
 

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

    setTitle("BarChartPositiveNegative");

    chart = findViewById(R.id.chart1);
    chart.setBackgroundColor(Color.WHITE);
    chart.setExtraTopOffset(-30f);
    chart.setExtraBottomOffset(10f);
    chart.setExtraLeftOffset(70f);
    chart.setExtraRightOffset(70f);

    chart.setDrawBarShadow(false);
    chart.setDrawValueAboveBar(true);

    chart.getDescription().setEnabled(false);

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

    chart.setDrawGridBackground(false);

    XAxis xAxis = chart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setTypeface(tfRegular);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);
    xAxis.setTextColor(Color.LTGRAY);
    xAxis.setTextSize(13f);
    xAxis.setLabelCount(5);
    xAxis.setCenterAxisLabels(true);
    xAxis.setGranularity(1f);

    YAxis left = chart.getAxisLeft();
    left.setDrawLabels(false);
    left.setSpaceTop(25f);
    left.setSpaceBottom(25f);
    left.setDrawAxisLine(false);
    left.setDrawGridLines(false);
    left.setDrawZeroLine(true); // draw a zero line
    left.setZeroLineColor(Color.GRAY);
    left.setZeroLineWidth(0.7f);
    chart.getAxisRight().setEnabled(false);
    chart.getLegend().setEnabled(false);

    // THIS IS THE ORIGINAL DATA YOU WANT TO PLOT
    final List<Data> data = new ArrayList<>();
    data.add(new Data(0f, -224.1f, "12-29"));
    data.add(new Data(1f, 238.5f, "12-30"));
    data.add(new Data(2f, 1280.1f, "12-31"));
    data.add(new Data(3f, -442.3f, "01-01"));
    data.add(new Data(4f, -2280.1f, "01-02"));

    xAxis.setValueFormatter(new ValueFormatter() {
        @Override
        public String getFormattedValue(float value) {
            return data.get(Math.min(Math.max((int) value, 0), data.size()-1)).xAxisValue;
        }
    });

    setData(data);
}
 

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

    setTitle("BubbleChartActivity");

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

    seekBarX = findViewById(R.id.seekBar1);
    seekBarX.setOnSeekBarChangeListener(this);

    seekBarY = findViewById(R.id.seekBar2);
    seekBarY.setOnSeekBarChangeListener(this);

    chart = findViewById(R.id.chart1);
    chart.getDescription().setEnabled(false);

    chart.setOnChartValueSelectedListener(this);

    chart.setDrawGridBackground(false);

    chart.setTouchEnabled(true);

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

    chart.setMaxVisibleValueCount(200);
    chart.setPinchZoom(true);

    seekBarX.setProgress(10);
    seekBarY.setProgress(50);

    Legend l = chart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
    l.setOrientation(Legend.LegendOrientation.VERTICAL);
    l.setDrawInside(false);
    l.setTypeface(tfLight);

    YAxis yl = chart.getAxisLeft();
    yl.setTypeface(tfLight);
    yl.setSpaceTop(30f);
    yl.setSpaceBottom(30f);
    yl.setDrawZeroLine(false);

    chart.getAxisRight().setEnabled(false);

    XAxis xl = chart.getXAxis();
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setTypeface(tfLight);
}
 

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

        setTitle("BarChartActivityMultiDataset");

        tvX = findViewById(R.id.tvXMax);
        tvX.setTextSize(10);
        tvY = findViewById(R.id.tvYMax);

        seekBarX = findViewById(R.id.seekBar1);
        seekBarX.setMax(50);
        seekBarX.setOnSeekBarChangeListener(this);

        seekBarY = findViewById(R.id.seekBar2);
        seekBarY.setOnSeekBarChangeListener(this);

        chart = findViewById(R.id.chart1);
        chart.setOnChartValueSelectedListener(this);
        chart.getDescription().setEnabled(false);

//        chart.setDrawBorders(true);

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

        chart.setDrawBarShadow(false);

        chart.setDrawGridBackground(false);

        // 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(chart); // For bounds control
        chart.setMarker(mv); // Set the marker to the chart

        seekBarX.setProgress(10);
        seekBarY.setProgress(100);

        Legend l = chart.getLegend();
        l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
        l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
        l.setOrientation(Legend.LegendOrientation.VERTICAL);
        l.setDrawInside(true);
        l.setTypeface(tfLight);
        l.setYOffset(0f);
        l.setXOffset(10f);
        l.setYEntrySpace(0f);
        l.setTextSize(8f);

        XAxis xAxis = chart.getXAxis();
        xAxis.setTypeface(tfLight);
        xAxis.setGranularity(1f);
        xAxis.setCenterAxisLabels(true);
        xAxis.setValueFormatter(new ValueFormatter() {
            @Override
            public String getFormattedValue(float value) {
                return String.valueOf((int) value);
            }
        });

        YAxis leftAxis = chart.getAxisLeft();
        leftAxis.setTypeface(tfLight);
        leftAxis.setValueFormatter(new LargeValueFormatter());
        leftAxis.setDrawGridLines(false);
        leftAxis.setSpaceTop(35f);
        leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

        chart.getAxisRight().setEnabled(false);
    }
 

@SuppressLint("InflateParams")
        @NonNull
        @Override
        public View getView(int position, View convertView, @NonNull ViewGroup parent) {

            BarData data = getItem(position);

            ViewHolder holder;

            if (convertView == null) {

                holder = new ViewHolder();

                convertView = LayoutInflater.from(getContext()).inflate(
                        R.layout.list_item_barchart, null);
                holder.chart = convertView.findViewById(R.id.chart);

                convertView.setTag(holder);

            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            // apply styling
            if (data != null) {
                data.setValueTypeface(tfLight);
                data.setValueTextColor(Color.BLACK);
            }
            holder.chart.getDescription().setEnabled(false);
            holder.chart.setDrawGridBackground(false);

            XAxis xAxis = holder.chart.getXAxis();
            xAxis.setPosition(XAxisPosition.BOTTOM);
            xAxis.setTypeface(tfLight);
            xAxis.setDrawGridLines(false);

            YAxis leftAxis = holder.chart.getAxisLeft();
            leftAxis.setTypeface(tfLight);
            leftAxis.setLabelCount(5, false);
            leftAxis.setSpaceTop(15f);

            YAxis rightAxis = holder.chart.getAxisRight();
            rightAxis.setTypeface(tfLight);
            rightAxis.setLabelCount(5, false);
            rightAxis.setSpaceTop(15f);

            // set data
            holder.chart.setData(data);
            holder.chart.setFitBars(true);

            // do not forget to refresh the chart
//            holder.chart.invalidate();
            holder.chart.animateY(700);

            return convertView;
        }
 

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

    setTitle("BarChartActivity");

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

    seekBarX = findViewById(R.id.seekBar1);
    seekBarY = findViewById(R.id.seekBar2);

    seekBarY.setOnSeekBarChangeListener(this);
    seekBarX.setOnSeekBarChangeListener(this);

    chart = findViewById(R.id.chart1);
    chart.setOnChartValueSelectedListener(this);

    chart.setDrawBarShadow(false);
    chart.setDrawValueAboveBar(true);

    chart.getDescription().setEnabled(false);

    // if more than 60 entries are displayed in the chart, no values will be
    // drawn
    chart.setMaxVisibleValueCount(60);

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

    chart.setDrawGridBackground(false);
    // chart.setDrawYLabels(false);

    ValueFormatter xAxisFormatter = new DayAxisValueFormatter(chart);

    XAxis xAxis = chart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setTypeface(tfLight);
    xAxis.setDrawGridLines(false);
    xAxis.setGranularity(1f); // only intervals of 1 day
    xAxis.setLabelCount(7);
    xAxis.setValueFormatter(xAxisFormatter);

    ValueFormatter custom = new MyValueFormatter("$");

    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setTypeface(tfLight);
    leftAxis.setLabelCount(8, false);
    leftAxis.setValueFormatter(custom);
    leftAxis.setPosition(YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

    YAxis rightAxis = chart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(tfLight);
    rightAxis.setLabelCount(8, false);
    rightAxis.setValueFormatter(custom);
    rightAxis.setSpaceTop(15f);
    rightAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

    Legend l = chart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
    l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
    l.setDrawInside(false);
    l.setForm(LegendForm.SQUARE);
    l.setFormSize(9f);
    l.setTextSize(11f);
    l.setXEntrySpace(4f);

    XYMarkerView mv = new XYMarkerView(this, xAxisFormatter);
    mv.setChartView(chart); // For bounds control
    chart.setMarker(mv); // Set the marker to the chart

    // setting data
    seekBarY.setProgress(50);
    seekBarX.setProgress(12);

    // chart.setDrawLegend(false);
}