MPAndroidChart开源图表库的使用介绍之饼状图、折线图和柱状图

importjava.util.ArrayList; importcom.github.mikephil.charting.charts.PieChart; importcom.github.mikephil.charting.components.Legend; importcom.github.mikephil.charting.components.Legend.LegendPosition; importcom.github.mikephil.charting.data.Entry; importcom.github.mikephil.charting.data.PieData; importcom.github.mikephil.charting.data.PieDataSet; import android.support.v7.app.ActionBarActivity; importandroid.graphics.Color; importandroid.os.Bundle; importandroid.util.DisplayMetrics; public class MainActivity extends ActionBarActivity { privatePieChartmChart; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mChart = (PieChart) findViewById(R.id.spread_pie_chart); PieDatamPieData = getPieData(4, 100); showChart(mChart, mPieData); } private void showChart(PieChartpieChart, PieDatapieData) { pieChart.setHoleColorTransparent(true); pieChart.setHoleRadius(60f); //半径pieChart.setTransparentCircleRadius(64f); // 半透明圈//pieChart.setHoleRadius(0) //实心圆pieChart.setDescription("测试饼状图"); // mChart.setDrawYValues(true); pieChart.setDrawCenterText(true); //饼状图中间可以添加文字pieChart.setDrawHoleEnabled(true); pieChart.setRotationAngle(90); // 初始旋转角度// draws the corresponding description value into the slice // mChart.setDrawXValues(true); // enable rotation of the chart by touch pieChart.setRotationEnabled(true); // 可以手动旋转// display percentage values pieChart.setUsePercentValues(true); //显示成百分比// mChart.setUnit(" ); // mChart.setDrawUnitsInChart(true); // add a selection listener // mChart.setOnChartValueSelectedListener(this); // mChart.setTouchEnabled(false); // mChart.setOnAnimationListener(this); pieChart.setCenterText("Quarterly Revenue"); //饼状图中间的文字//设置数据pieChart.setData(pieData); // undo all highlights // pieChart.highlightValues(null); // pieChart.invalidate(); Legend mLegend = pieChart.getLegend(); //设置比例图mLegend.setPosition(LegendPosition.RIGHT_OF_CHART); //最右边显示// mLegend.setForm(LegendForm.LINE); //设置比例图的形状，默认是方形mLegend.setXEntrySpace(7f); mLegend.setYEntrySpace(5f); pieChart.animateXY(1000, 1000); //设置动画// mChart.spin(2000, 0, 360); } /** * * @param count 分成几部分* @param range */ privatePieDatagetPieData(int count, float range) { ArrayList<String>xValues = new ArrayList<String>(); //xVals用来表示每个饼块上的内容for (inti = 0; i< count; i++) { xValues.add("Quarterly" + (i + 1)); //饼块上显示成Quarterly1, Quarterly2, Quarterly3, Quarterly4 } ArrayList<Entry>yValues = new ArrayList<Entry>(); //yVals用来表示封装每个饼块的实际数据// 饼图数据/** * 将一个饼形图分成四部分，四部分的数值比例为14:14:34:38 * 所以 14代表的百分比就是14% */ float quarterly1 = 14; float quarterly2 = 14; float quarterly3 = 34; float quarterly4 = 38; yValues.add(new Entry(quarterly1, 0)); yValues.add(new Entry(quarterly2, 1)); yValues.add(new Entry(quarterly3, 2)); yValues.add(new Entry(quarterly4, 3)); //y轴的集合PieDataSetpieDataSet = new PieDataSet(yValues, "Quarterly Revenue 2014"/*显示在比例图上*/); pieDataSet.setSliceSpace(0f); //设置个饼状图之间的距离ArrayList<Integer> colors = new ArrayList<Integer>(); // 饼图颜色colors.add(Color.rgb(205, 205, 205)); colors.add(Color.rgb(114, 188, 223)); colors.add(Color.rgb(255, 123, 124)); colors.add(Color.rgb(57, 135, 200)); pieDataSet.setColors(colors); DisplayMetrics metrics = getResources().getDisplayMetrics(); floatpx = 5 * (metrics.densityDpi / 160f); pieDataSet.setSelectionShift(px); // 选中态多出的长度PieDatapieData = new PieData(xValues, pieDataSet); returnpieData; } }

packagecom.example.mpandroidlinechart; importjava.util.ArrayList; importcom.github.mikephil.charting.charts.LineChart; importcom.github.mikephil.charting.components.Legend; importcom.github.mikephil.charting.components.Legend.LegendForm; importcom.github.mikephil.charting.data.Entry; importcom.github.mikephil.charting.data.LineData; importcom.github.mikephil.charting.data.LineDataSet; import android.support.v7.app.ActionBarActivity; importandroid.graphics.Color; importandroid.os.Bundle; public class MainActivity extends ActionBarActivity { privateLineChartmLineChart; // private Typeface mTf; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mLineChart = (LineChart) findViewById(R.id.spread_line_chart); // mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Bold.ttf"); LineDatamLineData = getLineData(36, 100); showChart(mLineChart, mLineData, Color.rgb(114, 188, 223)); } // 设置显示的样式private void showChart(LineChartlineChart, LineDatalineData, int color) { lineChart.setDrawBorders(false); //是否在折线图上添加边框// no description text lineChart.setDescription("");// 数据描述// 如果没有数据的时候，会显示这个，类似listview的emtpyviewlineChart.setNoDataTextDescription("You need to provide data for the chart."); // enable / disable grid background lineChart.setDrawGridBackground(false); // 是否显示表格颜色lineChart.setGridBackgroundColor(Color.WHITE& 0x70FFFFFF); // 表格的的颜色，在这里是是给颜色设置一个透明度// enable touch gestures lineChart.setTouchEnabled(true); // 设置是否可以触摸// enable scaling and dragging lineChart.setDragEnabled(true);// 是否可以拖拽lineChart.setScaleEnabled(true);// 是否可以缩放// if disabled, scaling can be done on x- and y-axis separately lineChart.setPinchZoom(false);// lineChart.setBackgroundColor(color);// 设置背景// add data lineChart.setData(lineData); // 设置数据// get the legend (only possible after setting data) Legend mLegend = lineChart.getLegend(); // 设置比例图标示，就是那个一组y的value的// modify the legend ...// mLegend.setPosition(LegendPosition.LEFT_OF_CHART); mLegend.setForm(LegendForm.CIRCLE);// 样式mLegend.setFormSize(6f);// 字体mLegend.setTextColor(Color.WHITE);// 颜色// mLegend.setTypeface(mTf);// 字体lineChart.animateX(2500); // 立即执行的动画,x轴} /** * 生成一个数据* @param count 表示图表中有多少个坐标点* @param range 用来生成range以内的随机数* @return */ privateLineDatagetLineData(int count, float range) { ArrayList<String>xValues = new ArrayList<String>(); for (inti = 0; i< count; i++) { // x轴显示的数据，这里默认使用数字下标显示xValues.add("" + i); } // y轴的数据ArrayList<Entry>yValues = new ArrayList<Entry>(); for (inti = 0; i< count; i++) { float value = (float) (Math.random() * range) + 3; yValues.add(new Entry(value, i)); } // create a dataset and give it a type // y轴的数据集合LineDataSetlineDataSet = new LineDataSet(yValues, "测试折线图" /*显示在比例图上*/); // mLineDataSet.setFillAlpha(110); // mLineDataSet.setFillColor(Color.RED); //用y轴的集合来设置参数lineDataSet.setLineWidth(1.75f); // 线宽lineDataSet.setCircleSize(3f);// 显示的圆形大小lineDataSet.setColor(Color.WHITE);// 显示颜色lineDataSet.setCircleColor(Color.WHITE);// 圆形的颜色lineDataSet.setHighLightColor(Color.WHITE); // 高亮的线的颜色ArrayList<LineDataSet>lineDataSets = new ArrayList<LineDataSet>(); lineDataSets.add(lineDataSet); // add the datasets // create a data object with the datasets LineDatalineData = new LineData(xValues, lineDataSets); returnlineData; } }

packagecom.jackie.mpandoidbarchart;importjava.util.ArrayList;importcom.github.mikephil.charting.charts.BarChart;importcom.github.mikephil.charting.charts.LineChart;importcom.github.mikephil.charting.components.Legend;importcom.github.mikephil.charting.components.Legend.LegendForm;importcom.github.mikephil.charting.components.XAxis;importcom.github.mikephil.charting.components.XAxis.XAxisPosition;importcom.github.mikephil.charting.data.BarData;importcom.github.mikephil.charting.data.BarDataSet;importcom.github.mikephil.charting.data.BarEntry;import android.support.v7.app.ActionBarActivity;importandroid.graphics.Color;importandroid.os.Bundle;public class MainActivity extends ActionBarActivity {privateBarChartmBarChart;privateBarDatamBarData;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mBarChart = (BarChart) findViewById(R.id.spread_bar_chart);mBarData = getBarData(4, 100);showBarChart(mBarChart, mBarData);}private void showBarChart(BarChartbarChart, BarDatabarData) {barChart.setDrawBorders(false); ////是否在折线图上添加边框barChart.setDescription("");// 数据描述// 如果没有数据的时候，会显示这个，类似ListView的EmptyViewbarChart.setNoDataTextDescription("You need to provide data for the chart."); barChart.setDrawGridBackground(false); // 是否显示表格颜色barChart.setGridBackgroundColor(Color.WHITE& 0x70FFFFFF); // 表格的的颜色，在这里是是给颜色设置一个透明度barChart.setTouchEnabled(true); // 设置是否可以触摸barChart.setDragEnabled(true);// 是否可以拖拽barChart.setScaleEnabled(true);// 是否可以缩放barChart.setPinchZoom(false);// // barChart.setBackgroundColor();// 设置背景barChart.setDrawBarShadow(true);barChart.setData(barData); // 设置数据Legend mLegend = barChart.getLegend(); // 设置比例图标示mLegend.setForm(LegendForm.CIRCLE);// 样式mLegend.setFormSize(6f);// 字体mLegend.setTextColor(Color.BLACK);// 颜色// X轴设定// XAxisxAxis = barChart.getXAxis();// xAxis.setPosition(XAxisPosition.BOTTOM);barChart.animateX(2500); // 立即执行的动画,x轴 }privateBarDatagetBarData(int count, float range) {ArrayList<String>xValues = new ArrayList<String>();for (inti = 0; i< count; i++) {xValues.add("第" + (i + 1) + "季度");}ArrayList<BarEntry>yValues = new ArrayList<BarEntry>();for (inti = 0; i< count; i++) { float value = (float) (Math.random() * range/*100以内的随机数*/) + 3;yValues.add(new BarEntry(value, i)); }// y轴的数据集合BarDataSetbarDataSet = new BarDataSet(yValues, "测试饼状图"); barDataSet.setColor(Color.rgb(114, 188, 223));ArrayList<BarDataSet>barDataSets = new ArrayList<BarDataSet>(); barDataSets.add(barDataSet); // add the datasets BarDatabarData = new BarData(xValues, barDataSets);returnbarData;}}packagecom.jackie.mpandoidbarchart;importjava.util.ArrayList;importcom.github.mikephil.charting.charts.BarChart;importcom.github.mikephil.charting.charts.LineChart;importcom.github.mikephil.charting.components.Legend;importcom.github.mikephil.charting.components.Legend.LegendForm;importcom.github.mikephil.charting.components.XAxis;importcom.github.mikephil.charting.components.XAxis.XAxisPosition;importcom.github.mikephil.charting.data.BarData;importcom.github.mikephil.charting.data.BarDataSet;importcom.github.mikephil.charting.data.BarEntry;import android.support.v7.app.ActionBarActivity;importandroid.graphics.Color;importandroid.os.Bundle;public class MainActivity extends ActionBarActivity {privateBarChartmBarChart;privateBarDatamBarData;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mBarChart = (BarChart) findViewById(R.id.spread_bar_chart);mBarData = getBarData(4, 100);showBarChart(mBarChart, mBarData);}private void showBarChart(BarChartbarChart, BarDatabarData) {barChart.setDrawBorders(false); ////是否在折线图上添加边框barChart.setDescription("");// 数据描述// 如果没有数据的时候，会显示这个，类似ListView的EmptyViewbarChart.setNoDataTextDescription("You need to provide data for the chart."); barChart.setDrawGridBackground(false); // 是否显示表格颜色barChart.setGridBackgroundColor(Color.WHITE& 0x70FFFFFF); // 表格的的颜色，在这里是是给颜色设置一个透明度barChart.setTouchEnabled(true); // 设置是否可以触摸barChart.setDragEnabled(true);// 是否可以拖拽barChart.setScaleEnabled(true);// 是否可以缩放barChart.setPinchZoom(false);// // barChart.setBackgroundColor();// 设置背景barChart.setDrawBarShadow(true);barChart.setData(barData); // 设置数据Legend mLegend = barChart.getLegend(); // 设置比例图标示mLegend.setForm(LegendForm.CIRCLE);// 样式mLegend.setFormSize(6f);// 字体mLegend.setTextColor(Color.BLACK);// 颜色// X轴设定// XAxisxAxis = barChart.getXAxis();// xAxis.setPosition(XAxisPosition.BOTTOM);barChart.animateX(2500); // 立即执行的动画,x轴 }privateBarDatagetBarData(int count, float range) {ArrayList<String>xValues = new ArrayList<String>();for (inti = 0; i< count; i++) {xValues.add("第" + (i + 1) + "季度");}ArrayList<BarEntry>yValues = new ArrayList<BarEntry>();for (inti = 0; i< count; i++) { float value = (float) (Math.random() * range/*100以内的随机数*/) + 3;yValues.add(new BarEntry(value, i)); }// y轴的数据集合BarDataSetbarDataSet = new BarDataSet(yValues, "测试饼状图"); barDataSet.setColor(Color.rgb(114, 188, 223));ArrayList<BarDataSet>barDataSets = new ArrayList<BarDataSet>(); barDataSets.add(barDataSet); // add the datasets BarDatabarData = new BarData(xValues, barDataSets);returnbarData;}}