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+/*
+ * Copyright 2012 AndroidPlot.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.androidplot.demos;
+
+
+import android.app.Activity;
+import android.graphics.*;
+import android.os.Bundle;
+import com.androidplot.xy.SimpleXYSeries;
+import com.androidplot.xy.XYSeries;
+import com.androidplot.xy.*;
+
+import java.text.DecimalFormat;
+import java.text.FieldPosition;
+import java.text.Format;
+import java.text.ParsePosition;
+import java.util.Arrays;
+
+public class StepChartExampleActivity extends Activity
+{
+
+ private XYPlot mySimpleXYPlot;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState)
+ {
+
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.step_chart_example);
+
+ // initialize our XYPlot reference:
+ mySimpleXYPlot = (XYPlot) findViewById(R.id.stepChartExamplePlot);
+
+ // y-vals to plot:
+ Number[] series1Numbers = {1, 2, 3, 4, 2, 3, 4, 2, 2, 2, 3, 4, 2, 3, 2, 2};
+ // create our series from our array of nums:
+ XYSeries series2 = new SimpleXYSeries(
+ Arrays.asList(series1Numbers),
+ SimpleXYSeries.ArrayFormat.Y_VALS_ONLY,
+ "Thread #1");
+
+ //mySimpleXYPlot.getLayoutManager().remove(mySimpleXYPlot.getLegendWidget());
+
+
+ mySimpleXYPlot.getGraphWidget().getGridBackgroundPaint().setColor(Color.WHITE);
+ mySimpleXYPlot.getGraphWidget().getDomainGridLinePaint().setColor(Color.BLACK);
+ mySimpleXYPlot.getGraphWidget().getDomainGridLinePaint().setPathEffect(new DashPathEffect(new float[]{1, 1}, 1));
+ mySimpleXYPlot.getGraphWidget().getRangeGridLinePaint().setColor(Color.BLACK);
+ mySimpleXYPlot.getGraphWidget().getRangeGridLinePaint().setPathEffect(new DashPathEffect(new float[]{1, 1}, 1));
+ mySimpleXYPlot.getGraphWidget().getDomainOriginLinePaint().setColor(Color.BLACK);
+ mySimpleXYPlot.getGraphWidget().getRangeOriginLinePaint().setColor(Color.BLACK);
+ mySimpleXYPlot.getGraphWidget().setMarginRight(5);
+
+ // Create a formatter to use for drawing a series using LineAndPointRenderer:
+ LineAndPointFormatter series1Format = new LineAndPointFormatter(
+ Color.rgb(0, 100, 0), // line color
+ Color.rgb(0, 100, 0), // point color
+ Color.rgb(100, 200, 0), null); // fill color
+
+
+ // setup our line fill paint to be a slightly transparent gradient:
+ Paint lineFill = new Paint();
+ lineFill.setAlpha(200);
+ lineFill.setShader(new LinearGradient(0, 0, 0, 250, Color.WHITE, Color.BLUE, Shader.TileMode.MIRROR));
+
+ StepFormatter stepFormatter = new StepFormatter(Color.rgb(0, 0,0), Color.BLUE);
+ stepFormatter.getLinePaint().setStrokeWidth(1);
+
+ stepFormatter.getLinePaint().setAntiAlias(false);
+ stepFormatter.setFillPaint(lineFill);
+ mySimpleXYPlot.addSeries(series2, stepFormatter);
+
+ // adjust the domain/range ticks to make more sense; label per tick for range and label per 5 ticks domain:
+ mySimpleXYPlot.setRangeStep(XYStepMode.INCREMENT_BY_VAL, 1);
+ mySimpleXYPlot.setDomainStep(XYStepMode.INCREMENT_BY_VAL, 1);
+ mySimpleXYPlot.setTicksPerRangeLabel(1);
+ mySimpleXYPlot.setTicksPerDomainLabel(5);
+
+ // customize our domain/range labels
+ //mySimpleXYPlot.setDomainLabel("Time (Secs)");
+ //mySimpleXYPlot.setRangeLabel("Server State");
+
+ //mySimpleXYPlot.getGraphWidget().getGridLinePaint().setAlpha(0);
+
+
+
+ // get rid of decimal points in our domain labels:
+ mySimpleXYPlot.setDomainValueFormat(new DecimalFormat("0"));
+
+ // create a custom formatter to draw our state names as range tick labels:
+ mySimpleXYPlot.setRangeValueFormat(new Format() {
+ @Override
+ public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
+ Number num = (Number) obj;
+ switch(num.intValue()) {
+ case 1:
+ toAppendTo.append("Init");
+ break;
+ case 2:
+ toAppendTo.append("Idle");
+ break;
+ case 3:
+ toAppendTo.append("Recv");
+ break;
+ case 4:
+ toAppendTo.append("Send");
+ break;
+ default:
+ toAppendTo.append("Unknown");
+ break;
+ }
+ return toAppendTo;
+ }
+
+ @Override
+ public Object parseObject(String source, ParsePosition pos) {
+ return null;
+ }
+ });
+
+ // by default, AndroidPlot displays developer guides to aid in laying out your plot.
+ // To get rid of them call disableAllMarkup():
+ //mySimpleXYPlot.disableAllMarkup();
+
+ }
+}