Examples with LineData com.github.mikephil.charting.data.LineData used on opensource projects

Example 31 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class LineChartActivity1 method setData.

private void setData(int count, float range) {
    ArrayList<Entry> values = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float val = (float) (Math.random() * range) + 3;
        values.add(new Entry(i, val, getResources().getDrawable(R.drawable.star)));
    }
    LineDataSet set1;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set1.setValues(values);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(values, "DataSet 1");
        set1.setDrawIcons(false);
        // set the line to be drawn like this "- - - - - -"
        set1.enableDashedLine(10f, 5f, 0f);
        set1.enableDashedHighlightLine(10f, 5f, 0f);
        set1.setColor(Color.BLACK);
        set1.setCircleColor(Color.BLACK);
        set1.setLineWidth(1f);
        set1.setCircleRadius(3f);
        set1.setDrawCircleHole(false);
        set1.setValueTextSize(9f);
        set1.setDrawFilled(true);
        set1.setFormLineWidth(1f);
        set1.setFormLineDashEffect(new DashPathEffect(new float[] { 10f, 5f }, 0f));
        set1.setFormSize(15.f);
        if (Utils.getSDKInt() >= 18) {
            // fill drawable only supported on api level 18 and above
            Drawable drawable = ContextCompat.getDrawable(this, R.drawable.fade_red);
            set1.setFillDrawable(drawable);
        } else {
            set1.setFillColor(Color.BLACK);
        }
        ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
        // add the datasets
        dataSets.add(set1);
        // create a data object with the datasets
        LineData data = new LineData(dataSets);
        // set data
        mChart.setData(data);
    }
}

Example 32 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class LineChartActivity2 method setData.

private void setData(int count, float range) {
    ArrayList<Entry> yVals1 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float mult = range / 2f;
        float val = (float) (Math.random() * mult) + 50;
        yVals1.add(new Entry(i, val));
    }
    ArrayList<Entry> yVals2 = new ArrayList<Entry>();
    for (int i = 0; i < count - 1; i++) {
        float mult = range;
        float val = (float) (Math.random() * mult) + 450;
        yVals2.add(new Entry(i, val));
    //            if(i == 10) {
    //                yVals2.add(new Entry(i, val + 50));
    //            }
    }
    ArrayList<Entry> yVals3 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float mult = range;
        float val = (float) (Math.random() * mult) + 500;
        yVals3.add(new Entry(i, val));
    }
    LineDataSet set1, set2, set3;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set2 = (LineDataSet) mChart.getData().getDataSetByIndex(1);
        set3 = (LineDataSet) mChart.getData().getDataSetByIndex(2);
        set1.setValues(yVals1);
        set2.setValues(yVals2);
        set3.setValues(yVals3);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(yVals1, "DataSet 1");
        set1.setAxisDependency(AxisDependency.LEFT);
        set1.setColor(ColorTemplate.getHoloBlue());
        set1.setCircleColor(Color.WHITE);
        set1.setLineWidth(2f);
        set1.setCircleRadius(3f);
        set1.setFillAlpha(65);
        set1.setFillColor(ColorTemplate.getHoloBlue());
        set1.setHighLightColor(Color.rgb(244, 117, 117));
        set1.setDrawCircleHole(false);
        //set1.setFillFormatter(new MyFillFormatter(0f));
        //set1.setDrawHorizontalHighlightIndicator(false);
        //set1.setVisible(false);
        //set1.setCircleHoleColor(Color.WHITE);
        // create a dataset and give it a type
        set2 = new LineDataSet(yVals2, "DataSet 2");
        set2.setAxisDependency(AxisDependency.RIGHT);
        set2.setColor(Color.RED);
        set2.setCircleColor(Color.WHITE);
        set2.setLineWidth(2f);
        set2.setCircleRadius(3f);
        set2.setFillAlpha(65);
        set2.setFillColor(Color.RED);
        set2.setDrawCircleHole(false);
        set2.setHighLightColor(Color.rgb(244, 117, 117));
        //set2.setFillFormatter(new MyFillFormatter(900f));
        set3 = new LineDataSet(yVals3, "DataSet 3");
        set3.setAxisDependency(AxisDependency.RIGHT);
        set3.setColor(Color.YELLOW);
        set3.setCircleColor(Color.WHITE);
        set3.setLineWidth(2f);
        set3.setCircleRadius(3f);
        set3.setFillAlpha(65);
        set3.setFillColor(ColorTemplate.colorWithAlpha(Color.YELLOW, 200));
        set3.setDrawCircleHole(false);
        set3.setHighLightColor(Color.rgb(244, 117, 117));
        // create a data object with the datasets
        LineData data = new LineData(set1, set2, set3);
        data.setValueTextColor(Color.WHITE);
        data.setValueTextSize(9f);
        // set data
        mChart.setData(data);
    }
}

Example 33 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class LineChartRenderer method drawHighlighted.

@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {
    LineData lineData = mChart.getLineData();
    for (Highlight high : indices) {
        ILineDataSet set = lineData.getDataSetByIndex(high.getDataSetIndex());
        if (set == null || !set.isHighlightEnabled())
            continue;
        Entry e = set.getEntryForXValue(high.getX(), high.getY());
        if (!isInBoundsX(e, set))
            continue;
        MPPointD pix = mChart.getTransformer(set.getAxisDependency()).getPixelForValues(e.getX(), e.getY() * mAnimator.getPhaseY());
        high.setDraw((float) pix.x, (float) pix.y);
        // draw the lines
        drawHighlightLines(c, (float) pix.x, (float) pix.y, set);
    }
}

Example 34 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class LineChartRenderer method drawData.

@Override
public void drawData(Canvas c) {
    int width = (int) mViewPortHandler.getChartWidth();
    int height = (int) mViewPortHandler.getChartHeight();
    if (mDrawBitmap == null || (mDrawBitmap.get().getWidth() != width) || (mDrawBitmap.get().getHeight() != height)) {
        if (width > 0 && height > 0) {
            mDrawBitmap = new WeakReference<Bitmap>(Bitmap.createBitmap(width, height, mBitmapConfig));
            mBitmapCanvas = new Canvas(mDrawBitmap.get());
        } else
            return;
    }
    mDrawBitmap.get().eraseColor(Color.TRANSPARENT);
    LineData lineData = mChart.getLineData();
    for (ILineDataSet set : lineData.getDataSets()) {
        if (set.isVisible())
            drawDataSet(c, set);
    }
    c.drawBitmap(mDrawBitmap.get(), 0, 0, mRenderPaint);
}

Example 35 with LineData

use of com.github.mikephil.charting.data.LineData in project Weather by Sparker0i.

the class GraphsFragment method loadSnowChart.

public void loadSnowChart() {
    snowChart.setDrawGridBackground(false);
    snowChart.setBackgroundColor(Color.BLACK);
    snowChart.setTouchEnabled(true);
    snowChart.setDragEnabled(true);
    snowChart.setMaxHighlightDistance(300);
    snowChart.setPinchZoom(true);
    snowChart.setPadding(2, 2, 2, 2);
    snowChart.getLegend().setEnabled(true);
    snowChart.getLegend().setTextColor(Color.WHITE);
    YAxis yAxisRight = snowChart.getAxisRight();
    yAxisRight.setDrawGridLines(false);
    yAxisRight.setDrawAxisLine(false);
    yAxisRight.setDrawLabels(false);
    yAxisRight.setTextColor(Color.WHITE);
    yAxisRight.enableAxisLineDashedLine(2f, 4f, 2f);
    YAxis yAxisLeft = snowChart.getAxisLeft();
    yAxisLeft.setTextColor(Color.WHITE);
    XAxis x = snowChart.getXAxis();
    x.setEnabled(true);
    x.setPosition(XAxis.XAxisPosition.BOTTOM);
    x.setDrawGridLines(false);
    x.setTextColor(Color.parseColor("#FFFFFF"));
    x.setValueFormatter(new XFormatter(dates));
    LineDataSet set;
    if (snowChart.getData() != null) {
        snowChart.getData().removeDataSet(snowChart.getData().getDataSetByIndex(snowChart.getData().getDataSetCount() - 1));
        snowChart.getLegend().setTextColor(Color.parseColor("#FFFFFF"));
    }
    set = new LineDataSet(snowEntries, getString(R.string.g_snow));
    set.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    set.setCubicIntensity(0.2f);
    set.setDrawCircles(false);
    set.setLineWidth(2f);
    set.setDrawValues(false);
    set.setValueTextSize(10f);
    set.setColor(Color.YELLOW);
    set.setHighlightEnabled(false);
    set.setValueFormatter(mValueFormatter);
    LineData data = new LineData(set);
    snowChart.setData(data);
    snowChart.invalidate();
}