Java LineChart.setOnChartValueSelectedListener方法代码示例

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_linechart_noseekbar);

        mChart = (LineChart) findViewById(R.id.chart1);
        mChart.setOnChartValueSelectedListener(this);
        mChart.setDrawGridBackground(false);
        mChart.getDescription().setEnabled(false);

        // add an empty data object
        mChart.setData(new LineData());
//        mChart.getXAxis().setDrawLabels(false);
//        mChart.getXAxis().setDrawGridLines(false);

        mChart.invalidate();
    }
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
private void addDragListenerMarkerMaker(LineChart speedChart) {
    speedChart.setOnChartValueSelectedListener(new OnChartValueSelectedListener() {
        @Override
        public void onValueSelected(Entry entry, Highlight h) {
            Long entryX = (long) entry.getX();
            if (timeLocationMap.containsKey(entryX)) {
                clearAllMarkersFromMap();
                LatLng latLng = timeLocationMap.get(entryX);
                mapMarkers.add(googleMap.addMarker(new MarkerOptions().position(latLng)));
            }
        }

        @Override
        public void onNothingSelected() {
            clearAllMarkersFromMap();
        }
    });
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_linechart_noseekbar);

        mChart = (LineChart) findViewById(R.id.chart1);
        mChart.setOnChartValueSelectedListener(this);
        mChart.setDrawGridBackground(false);
        mChart.setDescription("");
        
        // add an empty data object
        mChart.setData(new LineData());
//        mChart.getXAxis().setDrawLabels(false);
//        mChart.getXAxis().setDrawGridLines(false);

        mChart.invalidate();
    }
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,	Bundle savedInstanceState) {
	Log.v(TAG, "onCreateView() chart fragment");
	
	// Load the layout of this fragment
	View rootView = inflater.inflate(R.layout.fragment_chart, container, false);

	createDataSets();
	
	mChart = (LineChart) rootView.findViewById(R.id.chart1);
	mChart.setOnChartValueSelectedListener(this);
	mChart.setDrawYValues(false);
	mChart.setDrawGridBackground(false);
	mChart.setDescription("Battery and CPU usage chart");
	mChart.setYRange(0, 100, false);
	mChart.setDrawLegend(true);

	initChart();

	mChart.invalidate(); // invalidates the whole view

	return rootView;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_draw_chart);

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

    // listener for selecting and drawing
    mChart.setOnChartValueSelectedListener(this);
    mChart.setOnDrawListener(this);

    // if disabled, drawn datasets with the finger will not be automatically
    // finished
    // mChart.setAutoFinish(true);
    mChart.setDrawGridBackground(false);

    // add dummy-data to the chart
    initWithDummyData();

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

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

    YAxis yl = mChart.getAxisLeft();
    yl.setTypeface(tf);

    mChart.getLegend().setEnabled(false);

    // mChart.setYRange(-40f, 40f, true);
    // call this to reset the changed y-range
    // mChart.resetYRange(true);
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
/**
 * Formats a line chart in a standardized manner
 * @param c App context
 * @param chart LineChart to format
 * @param listener Listener to attach to chart
 * @param xLabels Labels to use for the x-axis
 * @param valueFormatter True if large value formatter should be used
 * @param skip Number of values to skip
 * @param legend True if show legend, false if hide legend
 * @return Formatted linechart
 */
public static LineChart getFormattedLineChart(Context c, LineChart chart, OnChartValueSelectedListener listener, List<String> xLabels, boolean valueFormatter, int skip, boolean legend) {
    Legend cLegend = chart.getLegend();
    cLegend.setEnabled(legend);

    XAxis xAxis = chart.getXAxis();
    xAxis.setGranularity(skip);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setValueFormatter(new XAxisLabelFormatter(xLabels));

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

    YAxis yAxisLeft = chart.getAxisLeft();
    if (valueFormatter) {
        yAxisLeft.setValueFormatter(new LargeNumberAxisFormatter(c));
    }

    if (SettingsActivity.getTheme(c) == SettingsActivity.THEME_NOIR) {
        int textColorNoir = ContextCompat.getColor(c, R.color.colorPrimaryTextNoir);
        cLegend.setTextColor(textColorNoir);
        xAxis.setTextColor(textColorNoir);
        yAxisLeft.setTextColor(textColorNoir);
    }

    chart.setDoubleTapToZoomEnabled(false);
    chart.setDescription(EMPTY_CHART_DESCRIPTION);
    chart.setDragEnabled(true);
    chart.setScaleYEnabled(false);
    chart.setDrawGridBackground(false);
    chart.setOnChartValueSelectedListener(listener);

    return chart;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_realtime_linechart);

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

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

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

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

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

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

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

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

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

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

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

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

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

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart);

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

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

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

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

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

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

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

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

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

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

    // add data
    setData(25, 50);

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

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

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

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

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart);

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

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

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

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);
    
    mChart.setDrawGridBackground(false);
    mChart.getDescription().setEnabled(false);
    mChart.setDrawBorders(false);

    mChart.getAxisLeft().setEnabled(false);
    mChart.getAxisRight().setDrawAxisLine(false);
    mChart.getAxisRight().setDrawGridLines(false);
    mChart.getXAxis().setDrawAxisLine(false);
    mChart.getXAxis().setDrawGridLines(false);

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

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

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

    mSeekBarX.setProgress(20);
    mSeekBarY.setProgress(100);

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

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_voice_db_record_db, container, false);

    mDBTextView = (TextView) view.findViewById(R.id.record_db_fragment_db_tv);

    mDurationTimeView = (TextView) view.findViewById(R.id.record_db_fragment_duration_tv);

    mAverageTextView = (TextView) view.findViewById(R.id.record_db_fragment_average_tv);

    mMaxTextView = (TextView) view.findViewById(R.id.record_db_fragment_max_tv);

    mBtn = (Button) view.findViewById(R.id.record_db_fragment_switch_btn);
    mBtn.setOnClickListener(this);

    mLineChart = (LineChart) view.findViewById(R.id.record_db_fragment_info_lc);
    mLineChart.setOnChartValueSelectedListener(this);
    // 设置表描述为不可见
    mLineChart.getDescription().setEnabled(false);
    // 设置表描述可见，颜色值以及显示的文本
    // mLineChart.getDescription().setEnabled(true);
    // mLineChart.getDescription().setText(getString(R.string.db));
    // mLineChart.getDescription().setTextColor(Color.WHITE);
    // enable touch gestures
    mLineChart.setTouchEnabled(true);
    // enable scaling and dragging
    mLineChart.setDragEnabled(true);
    mLineChart.setScaleEnabled(true);
    mLineChart.setDrawGridBackground(false);
    // if disabled, scaling can be done on x- and y-axis separately
    mLineChart.setPinchZoom(true);
    // set an alternative background color
    mLineChart.setBackgroundColor(Color.parseColor("#6A1B9A") );
    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);

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

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

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

    // 获得图表的x轴
    XAxis xAxis = mLineChart.getXAxis();
    // 设置x轴的文本颜色为白色
    xAxis.setTextColor(Color.WHITE);
    // 不设置纵向的网格线，即与x轴垂直的线
    xAxis.setDrawGridLines(false);
    // 避免图表剪辑的边缘是屏幕
    xAxis.setAvoidFirstLastClipping(true);
    // 设置x轴可见
    xAxis.setEnabled(true);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);

    YAxis leftYAxis = mLineChart.getAxisLeft();
    leftYAxis.setTextColor(Color.WHITE);
    leftYAxis.setAxisMaximum(100f);
    leftYAxis.setAxisMinimum(0f);
    leftYAxis.setDrawGridLines(true);
    // 获取右y轴并将其设置为可见
    YAxis rightYAxis  = mLineChart.getAxisRight();
    rightYAxis.setEnabled(true);
    rightYAxis.setDrawGridLines(false);
    // 设置与背景颜色相同使文本不可见
    rightYAxis.setTextColor(Color.parseColor("#6A1B9A"));

    addEntry(UserInfo.getInt(getContext(),"AverageDb"));
    return view;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_store_db_record, container, false);
    mDBTextView = (TextView) view.findViewById(R.id.store_record_db_fragment_db_tv);

    mDurationTimeView = (TextView) view.findViewById(R.id.store_record_db_fragment_duration_tv);

    mAverageTextView = (TextView) view.findViewById(R.id.store_record_db_fragment_average_tv);

    mMaxTextView = (TextView) view.findViewById(R.id.store_record_db_fragment_max_tv);

    mBtn = (Button) view.findViewById(R.id.store_record_db_fragment_switch_btn);
    mBtn.setOnClickListener(this);

    mLineChart = (LineChart) view.findViewById(R.id.store_record_db_fragment_info_lc);
    mLineChart.setOnChartValueSelectedListener(this);
    // 设置表描述为不可见
    mLineChart.getDescription().setEnabled(false);
    // 设置表描述可见，颜色值以及显示的文本
    // mLineChart.getDescription().setEnabled(true);
    // mLineChart.getDescription().setText(getString(R.string.db));
    // mLineChart.getDescription().setTextColor(Color.WHITE);
    // enable touch gestures
    mLineChart.setTouchEnabled(true);
    // enable scaling and dragging
    mLineChart.setDragEnabled(true);
    mLineChart.setScaleEnabled(true);
    mLineChart.setDrawGridBackground(false);
    // if disabled, scaling can be done on x- and y-axis separately
    mLineChart.setPinchZoom(true);
    // set an alternative background color
    mLineChart.setBackgroundColor(Color.parseColor("#6A1B9A"));
    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);

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

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

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

    // 获得图表的x轴
    XAxis xAxis = mLineChart.getXAxis();
    // 设置x轴的文本颜色为白色
    xAxis.setTextColor(Color.WHITE);
    // 不设置纵向的网格线，即与x轴垂直的线
    xAxis.setDrawGridLines(false);
    // 避免图表剪辑的边缘是屏幕
    xAxis.setAvoidFirstLastClipping(true);
    // 设置x轴可见
    xAxis.setEnabled(true);
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);

    YAxis leftYAxis = mLineChart.getAxisLeft();
    leftYAxis.setTextColor(Color.WHITE);
    leftYAxis.setAxisMaximum(100f);
    leftYAxis.setAxisMinimum(0f);
    leftYAxis.setDrawGridLines(true);
    // 获取右y轴并将其设置为可见
    YAxis rightYAxis = mLineChart.getAxisRight();
    rightYAxis.setEnabled(true);
    rightYAxis.setDrawGridLines(false);
    // 设置与背景颜色相同使文本不可见
    rightYAxis.setTextColor(Color.parseColor("#6A1B9A"));

    addEntry(UserInfo.getInt(getContext(), "AverageDb"));
    return view;
}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_realtime_linechart);

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

    // 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);

}
 

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart);

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

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

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

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

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

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart);

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

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

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

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);
    
    mChart.setDrawGridBackground(false);
    mChart.setDescription("");
    mChart.setDrawBorders(false);

    mChart.getAxisLeft().setDrawAxisLine(false);
    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getAxisRight().setDrawAxisLine(false);
    mChart.getAxisRight().setDrawGridLines(false);
    mChart.getXAxis().setDrawAxisLine(false);
    mChart.getXAxis().setDrawGridLines(false);

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

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

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

    mSeekBarX.setProgress(20);
    mSeekBarY.setProgress(100);

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

import com.github.mikephil.charting.charts.LineChart; //导入方法依赖的package包/类
public void SetupChart() {
    lineChart = (LineChart) myLayout.findViewById(R.id.chart);
    lineChart.setDescription("");
    lineChart.setDrawBorders(false);
    lineChart.setNoDataTextDescription("You need to provide data for the chart.");
    lineChart.setDrawGridBackground(false);
    lineChart.setOnChartValueSelectedListener(this);
    lineChart.setTouchEnabled(true);
    lineChart.setDragEnabled(false);
    lineChart.setPinchZoom(false);
    lineChart.setScaleXEnabled(true);
    lineChart.setScaleYEnabled(true);
    lineChart.invalidate();
    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);
    // add empty data
    lineChart.setData(data);
    // get the legend (only possible after setting data)
    Legend l = lineChart.getLegend();
    l.setEnabled(false);
    // x axis setup
    XAxis xl = lineChart.getXAxis();
    xl.setTextColor(Color.WHITE);
    xl.setDrawGridLines(false);
    xl.setAvoidFirstLastClipping(false);
    xl.setSpaceBetweenLabels(3);
    xl.setEnabled(true);
    xl.setDrawAxisLine(false);
    xl.removeAllLimitLines();
    //right y axis setup
    YAxis rightAxis = lineChart.getAxisRight();
    rightAxis.setEnabled(false);
    //left y axis setup
    YAxis leftAxis = lineChart.getAxisLeft();
    leftAxis.setTextColor(Color.WHITE);
    leftAxis.setLabelCount(6, true);
    leftAxis.setAxisMaxValue(400f);
    leftAxis.setAxisMinValue(0f);
    leftAxis.setDrawGridLines(false);
    leftAxis.setStartAtZero(false);
    leftAxis.setEnabled(true);
    leftAxis.setDrawAxisLine(false);
    leftAxis.setDrawZeroLine(false);
    leftAxis.setGranularityEnabled(false);
    //define min max line
    LimitLine max = new LimitLine(150f);
    max.enableDashedLine(10f, 10f, 0f);
    LimitLine min = new LimitLine(50f);
    min.enableDashedLine(10f, 10f, 0f);
    // reset all limit lines to avoid overlapping lines
    leftAxis.removeAllLimitLines();
    //add min max line
    leftAxis.addLimitLine(max);
    leftAxis.addLimitLine(min);

    lineChart.invalidate();
}