Java Code Examples for com.github.mikephil.charting.charts.LineChart#setOnChartValueSelectedListener()

The following examples show how to use com.github.mikephil.charting.charts.LineChart#setOnChartValueSelectedListener() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: RideDetailActivity.java From android-ponewheel with MIT License

6 votes

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();
        }
    });
}

Example 2

Source File: DynamicalAddingActivity.java From Stayfit with Apache License 2.0

6 votes

@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();
    }

Example 3

Source File: DrawChartActivity.java From Stayfit with Apache License 2.0

5 votes

@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);
}

Example 4

Source File: RealtimeLineChartActivity.java From Stayfit with Apache License 2.0

4 votes

@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);

}

Example 5

Source File: LineChartActivity2.java From Stayfit with Apache License 2.0

4 votes

@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);
    }

Example 6

Source File: InvertedLineChartActivity.java From Stayfit with Apache License 2.0

4 votes

@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();
}

Example 7

Source File: MultiLineChartActivity.java From Stayfit with Apache License 2.0

4 votes

@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);
}