Java Code Examples for com.github.mikephil.charting.components.Legend#setForm()

void setupGraph(JSONArray currencyRateTrends) {
    if (currencyRateTrends == null || currencyRateTrends.length() == 0) {
        graph.setVisibility(View.GONE);
        chart_duration_spinner.setVisibility(View.INVISIBLE);
    } else {
        graph.setVisibility(View.VISIBLE);
        chart_duration_spinner.setVisibility(View.VISIBLE);
        graph.getXAxis().setEnabled(false);
        graph.getAxisLeft().setEnabled(false);
        graph.getAxisRight().setEnabled(false);
        graph.getDescription().setText("");
        setGraphData(currencyRateTrends);
        graph.animateX(1000);
        Legend l = graph.getLegend();
        l.setForm(Legend.LegendForm.LINE);
    }
}
 

private void addDataSet() {
    Log.d(TAG, "addDataSet started");
    ArrayList<PieEntry> yEntrys = new ArrayList<>();
    ArrayList<String> xEntrys = new ArrayList<>();

    for(int i = 0; i < yData.length; i++){
        yEntrys.add(new PieEntry(yData[i] , i));
    }

    for(int i = 1; i < xData.length; i++){
        xEntrys.add(xData[i]);
    }

    //create the data set
    PieDataSet pieDataSet = new PieDataSet(yEntrys, "Төлөвлөгөөний үзүүлэлтлл");
    pieDataSet.setSliceSpace(2);
    pieDataSet.setValueTextSize(12);

    //add colors to dataset
    ArrayList<Integer> colors = new ArrayList<>();
    colors.add(Color.GRAY);
    colors.add(Color.BLUE);
    colors.add(Color.RED);
    colors.add(Color.GREEN);
    colors.add(Color.CYAN);
    colors.add(Color.YELLOW);
    colors.add(Color.MAGENTA);

    pieDataSet.setColors(colors);

    //add legend to chart
    Legend legend = pieChart.getLegend();
    legend.setForm(Legend.LegendForm.CIRCLE);
    legend.setPosition(Legend.LegendPosition.LEFT_OF_CHART);

    //create pie data object
    PieData pieData = new PieData(pieDataSet);
    pieChart.setData(pieData);
    pieChart.invalidate();
}
 

/**
 * By calling setData initializes the rest of the view
 * @param data the chart data
 */
@Override
public void setData(LineData data) {
    super.setData(data);
    setOnChartValueSelectedListener(this);
    setDescription("");
    setNoDataTextDescription("No chart data");
    setTouchEnabled(true);
    setScaleEnabled(true);
    setDragEnabled(true);
    setDrawGridBackground(true);
    setPinchZoom(true);

    Legend legend = getLegend();
    legend.setForm(Legend.LegendForm.CIRCLE);
    legend.setWordWrapEnabled(true);

    XAxis xAxis = getXAxis();
    xAxis.setAvoidFirstLastClipping(true);
    xAxis.setPosition(XAxis.XAxisPosition.TOP);

    YAxis yAxisLeft = getAxisLeft();
    yAxisLeft.setAxisMinValue(0);

    YAxis yAxisRight = getAxisRight();
    yAxisRight.setEnabled(false);
}
 

@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);
}
 

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

    setTitle("BarChartActivitySinus");

    data = FileUtils.loadBarEntriesFromAssets(getAssets(), "othersine.txt");

    tvX = findViewById(R.id.tvValueCount);

    seekBarX = findViewById(R.id.seekbarValues);

    chart = findViewById(R.id.chart1);

    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);

    // draw shadows for each bar that show the maximum value
    // chart.setDrawBarShadow(true);

    // chart.setDrawXLabels(false);

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

    XAxis xAxis = chart.getXAxis();
    xAxis.setEnabled(false);

    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setTypeface(tfLight);
    leftAxis.setLabelCount(6, false);
    leftAxis.setAxisMinimum(-2.5f);
    leftAxis.setAxisMaximum(2.5f);
    leftAxis.setGranularityEnabled(true);
    leftAxis.setGranularity(0.1f);

    YAxis rightAxis = chart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(tfLight);
    rightAxis.setLabelCount(6, false);
    rightAxis.setAxisMinimum(-2.5f);
    rightAxis.setAxisMaximum(2.5f);
    rightAxis.setGranularity(0.1f);

    seekBarX.setOnSeekBarChangeListener(this);
    seekBarX.setProgress(150); // set data

    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);

    chart.animateXY(1500, 1500);
}
 

@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);

    setTitle("RealtimeLineChartActivity");

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

    // enable description text
    chart.getDescription().setEnabled(true);

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

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

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

    // set an alternative background color
    chart.setBackgroundColor(Color.LTGRAY);

    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);

    // add empty data
    chart.setData(data);

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

    // modify the legend ...
    l.setForm(LegendForm.LINE);
    l.setTypeface(tfLight);
    l.setTextColor(Color.WHITE);

    XAxis xl = chart.getXAxis();
    xl.setTypeface(tfLight);
    xl.setTextColor(Color.WHITE);
    xl.setDrawGridLines(false);
    xl.setAvoidFirstLastClipping(true);
    xl.setEnabled(true);

    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setTypeface(tfLight);
    leftAxis.setTextColor(Color.WHITE);
    leftAxis.setAxisMaximum(100f);
    leftAxis.setAxisMinimum(0f);
    leftAxis.setDrawGridLines(true);

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

}
 

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

        setTitle("LineChartActivity2");

        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.setOnChartValueSelectedListener(this);

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

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

        chart.setDragDecelerationFrictionCoef(0.9f);

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

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

        // set an alternative background color
        chart.setBackgroundColor(Color.LTGRAY);

        // add data
        seekBarX.setProgress(20);
        seekBarY.setProgress(30);

        chart.animateX(1500);

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

        // modify the legend ...
        l.setForm(LegendForm.LINE);
        l.setTypeface(tfLight);
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
        l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
        l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
        l.setDrawInside(false);
//        l.setYOffset(11f);

        XAxis xAxis = chart.getXAxis();
        xAxis.setTypeface(tfLight);
        xAxis.setTextSize(11f);
        xAxis.setTextColor(Color.WHITE);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(false);

        YAxis leftAxis = chart.getAxisLeft();
        leftAxis.setTypeface(tfLight);
        leftAxis.setTextColor(ColorTemplate.getHoloBlue());
        leftAxis.setAxisMaximum(200f);
        leftAxis.setAxisMinimum(0f);
        leftAxis.setDrawGridLines(true);
        leftAxis.setGranularityEnabled(true);

        YAxis rightAxis = chart.getAxisRight();
        rightAxis.setTypeface(tfLight);
        rightAxis.setTextColor(Color.RED);
        rightAxis.setAxisMaximum(900);
        rightAxis.setAxisMinimum(-200);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
        rightAxis.setGranularityEnabled(false);
    }
 

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

    setTitle("InvertedLineChartActivity");

    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.setDrawGridBackground(false);

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

    // 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(true);

    // set an alternative background color
    // chart.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(chart); // For bounds control
    chart.setMarker(mv); // Set the marker to the chart

    XAxis xl = chart.getXAxis();
    xl.setAvoidFirstLastClipping(true);
    xl.setAxisMinimum(0f);

    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setInverted(true);
    leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

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

    // add data
    seekBarX.setProgress(25);
    seekBarY.setProgress(50);

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

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

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

    // don't forget to refresh the drawing
    chart.invalidate();
}
 

/**
 * 显示图表
 *
 * @param context    上下文
 * @param lineChart  图表对象
 * @param yDataList  数据
 * @param title      图表标题（如：XXX趋势图）
 * @param curveLable 曲线图例名称（如：--用电量/时间）
 * @param unitName   坐标点击弹出提示框中数字单位（如：KWH）
 */
public static void showChart(Context context, LineChart lineChart,
                             List<Entry> yDataList, String title, String curveLable, String unitName) {
    // 设置数据
    lineChart.setData(setLineData(context, yDataList, curveLable));
    // 描述的显示和隐藏
    lineChart.getDescription().setEnabled(false);
    // 是否在折线图上添加边框
    lineChart.setDrawBorders(true);
    // 如果没有数据的时候，会显示这个，类似文本框的placeholder
    lineChart.setNoDataText(context.getString(R.string.no_data_chart));
    // 是否显示表格颜色
    lineChart.setDrawGridBackground(false);
    // 禁止绘制图表边框的线
    lineChart.setDrawBorders(false);
    // 表格的的颜色，在这里是是给颜色设置一个透明度
    // lineChart.setGridBackgroundColor(Color.WHITE & 0x70FFFFFF);
    // 设置是否启动触摸响应
    lineChart.setTouchEnabled(false);
    // 是否可以拖拽
    lineChart.setDragEnabled(false);
    // 是否可以缩放
    lineChart.setScaleEnabled(false);
    // 如果禁用，可以在x和y轴上分别进行缩放
    lineChart.setPinchZoom(false);
    // lineChart.setMarkerView(mv);
    // 设置背景色
    // lineChart.setBackgroundColor(getResources().getColor(R.color.bg_white));
    // 图例对象
    Legend mLegend = lineChart.getLegend();
    // mLegend.setPosition(LegendPosition.BELOW_CHART_CENTER);
    // 图例样式 (CIRCLE圆形；LINE线性；SQUARE是方块）
    mLegend.setForm(LegendForm.SQUARE);
    // 图例大小
    mLegend.setFormSize(8f);
    // 图例上的字体颜色
    mLegend.setTextColor(context.getApplicationContext().getResources().getColor(R.color.theme_color));
    mLegend.setTextSize(12f);
    // 图例字体
    // mLegend.setTypeface(mTf);
    // 图例的显示和隐藏
    mLegend.setEnabled(false);
    // 隐藏右侧Y轴（只在左侧的Y轴显示刻度）
    lineChart.getAxisRight().setEnabled(false);
    // 隐藏左侧Y轴（只在左侧的Y轴显示刻度）
    lineChart.getAxisLeft().setEnabled(false);
    XAxis xAxis = lineChart.getXAxis();
    // 显示X轴上的刻度值
    xAxis.setDrawLabels(false);
    // 设置X轴的数据显示在报表的下方
    xAxis.setPosition(XAxisPosition.BOTTOM);
    // 轴线
    xAxis.setDrawAxisLine(false);
    // 设置不从X轴发出纵向直线
    xAxis.setDrawGridLines(false);
    // 执行的动画,x轴（动画持续时间）
    lineChart.animateX(1500);
    lineChart.notifyDataSetChanged();
}
 

@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 onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_barchart_sinus);
    
    mSinusData = FileUtils.loadBarEntriesFromAssets(getAssets(),"othersine.txt");

    tvX = (TextView) findViewById(R.id.tvValueCount);

    mSeekBarX = (SeekBar) findViewById(R.id.seekbarValues);

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

    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);

    // draw shadows for each bar that show the maximum value
    // mChart.setDrawBarShadow(true);

    // mChart.setDrawXLabels(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.setEnabled(false);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(mTf);
    leftAxis.setLabelCount(6, false);
    leftAxis.setAxisMinValue(-2.5f);
    leftAxis.setAxisMaxValue(2.5f);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(mTf);
    rightAxis.setLabelCount(6, false);
    rightAxis.setAxisMinValue(-2.5f);
    rightAxis.setAxisMaxValue(2.5f);

    mSeekBarX.setOnSeekBarChangeListener(this);
    mSeekBarX.setProgress(150); // set data

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.BELOW_CHART_LEFT);
    l.setForm(LegendForm.SQUARE);
    l.setFormSize(9f);
    l.setTextSize(11f);
    l.setXEntrySpace(4f);

    mChart.animateXY(2000, 2000);
}
 

@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);

    // 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);
    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);

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

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

    // modify the legend ...
    // l.setPosition(LegendPosition.LEFT_OF_CHART);
    l.setForm(LegendForm.LINE);
    l.setTypeface(tf);
    l.setTextColor(Color.WHITE);

    XAxis xl = mChart.getXAxis();
    xl.setTypeface(tf);
    xl.setTextColor(Color.WHITE);
    xl.setDrawGridLines(false);
    xl.setAvoidFirstLastClipping(true);
    xl.setSpaceBetweenLabels(5);
    xl.setEnabled(true);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(tf);
    leftAxis.setTextColor(Color.WHITE);
    leftAxis.setAxisMaxValue(100f);
    leftAxis.setAxisMinValue(0f);
    leftAxis.setDrawGridLines(true);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setEnabled(false);

}
 

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

        // 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);

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

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

        // add data
        setData(20, 30);

        mChart.animateX(2500);

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

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

        // modify the legend ...
        // l.setPosition(LegendPosition.LEFT_OF_CHART);
        l.setForm(LegendForm.LINE);
        l.setTypeface(tf);
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setPosition(LegendPosition.BELOW_CHART_LEFT);
//        l.setYOffset(11f);

        XAxis xAxis = mChart.getXAxis();
        xAxis.setTypeface(tf);
        xAxis.setTextSize(12f);
        xAxis.setTextColor(Color.WHITE);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(false);
        xAxis.setSpaceBetweenLabels(1);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(tf);
        leftAxis.setTextColor(ColorTemplate.getHoloBlue());
        leftAxis.setAxisMaxValue(200f);
        leftAxis.setAxisMinValue(0f);
        leftAxis.setDrawGridLines(true);
        
        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setTypeface(tf);
        rightAxis.setTextColor(Color.RED);
        rightAxis.setAxisMaxValue(900);
        rightAxis.setAxisMinValue(-200);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
    }
 

@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.setDescription("");

    // 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);

    // set the marker to the chart
    mChart.setMarkerView(mv);
    
    XAxis xl = mChart.getXAxis();
    xl.setAvoidFirstLastClipping(true);
    
    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setInverted(true);
    leftAxis.setAxisMinValue(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.setPosition(LegendPosition.LEFT_OF_CHART);
    l.setForm(LegendForm.LINE);

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

/**
 * More details about legend customization: https://github.com/PhilJay/MPAndroidChart/wiki/Legend
 */
@ReactProp(name = "legend")
public void setLegend(T chart, ReadableMap propMap) {
    Legend legend = chart.getLegend();

    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "enabled")) {
        legend.setEnabled(propMap.getBoolean("enabled"));
    }

    // Styling
    if (BridgeUtils.validate(propMap, ReadableType.String, "textColor")) {
        legend.setTextColor(Color.parseColor(propMap.getString("textColor")));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "textSize")) {
        legend.setTextSize((float) propMap.getDouble("textSize"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "fontFamily") ||
            BridgeUtils.validate(propMap, ReadableType.Number, "fontStyle")) {
        legend.setTypeface(BridgeUtils.parseTypeface(chart.getContext(), propMap, "fontStyle", "fontFamily"));
    }

    // Wrapping / clipping avoidance
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "wordWrapEnabled")) {
        legend.setWordWrapEnabled(propMap.getBoolean("wordWrapEnabled"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "maxSizePercent")) {
        legend.setMaxSizePercent((float) propMap.getDouble("maxSizePercent"));
    }

    // Customizing
    if (BridgeUtils.validate(propMap, ReadableType.String, "position")) {
        legend.setPosition(LegendPosition.valueOf(propMap.getString("position").toUpperCase()));
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "form")) {
        legend.setForm(LegendForm.valueOf(propMap.getString("form").toUpperCase()));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "formSize")) {
        legend.setFormSize((float) propMap.getDouble("formSize"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "xEntrySpace")) {
        legend.setXEntrySpace((float) propMap.getDouble("xEntrySpace"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "yEntrySpace")) {
        legend.setYEntrySpace((float) propMap.getDouble("yEntrySpace"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "formToTextSpace")) {
        legend.setFormToTextSpace((float) propMap.getDouble("formToTextSpace"));
    }

    // Custom labels & colors
    if (BridgeUtils.validate(propMap, ReadableType.Map, "custom")) {
        ReadableMap customMap = propMap.getMap("custom");
        if (BridgeUtils.validate(customMap, ReadableType.Array, "colors") &&
                BridgeUtils.validate(customMap, ReadableType.Array, "labels")) {

            ReadableArray colorsArray = customMap.getArray("colors");
            ReadableArray labelsArray = customMap.getArray("labels");

            if (colorsArray.size() == labelsArray.size()) {
                // TODO null label should start a group
                // TODO -2 color should avoid drawing a form
                String[] labels = BridgeUtils.convertToStringArray(labelsArray);
                String[] colors = BridgeUtils.convertToStringArray(colorsArray);

                int[] colorsParsed = new int[colors.length];
                for (int i = 0; i < colors.length; i++) {
                    colorsParsed[i] = Color.parseColor(colors[i]);
                }

                legend.setCustom(colorsParsed, labels);
            }
        }
    }

    // TODO resetCustom function
    // TODO extra

    chart.invalidate();     // TODO is this necessary? Looks like enabled is not refreshing without it
}