hellocharts 柱状图实例
巫马松
<a target=_blank href="https://github.com/lecho/hellocharts-android">https://github.com/lecho/hellocharts-android</a>
<pre name="code" class="java">package com.hankang.sport.fragment;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class AccountingMonthFragment extends Fragment
{
private ColumnChartView columnchart;
private static final int DEFAULT_DATA = 0;
private static final int SUBCOLUMNS_DATA = 1;
private static final int STACKED_DATA = 2;
private static final int NEGATIVE_SUBCOLUMNS_DATA = 3;
private static final int NEGATIVE_STACKED_DATA = 4;
private int dataType = STACKED_DATA;
private boolean hasAxes = true;
private boolean hasAxesNames = true;
private boolean hasLabels = true;
private boolean hasLabelForSelected = false;
private ColumnChartData data;
@Override
public View onCreateView(LayoutInflater inflater, @Nullable
ViewGroup container, @Nullable
Bundle savedInstanceState)
{
View view=inflater.inflate(R.layout.accounting_week_layout, container, false);
initView(view);
return view;
}
/**
*
*/
public void initView(View view){
columnchart=(ColumnChartView)view.findViewById(R.id.columnchart);
generateData();
}
@Override
public void onDestroy()
{
super.onDestroy();
}
/**
*
*/
private void generateData() {
switch (dataType) {
case DEFAULT_DATA:
generateDefaultData();
break;
case SUBCOLUMNS_DATA:
generateSubcolumnsData();
break;
case STACKED_DATA:
generateStackedData();
break;
case NEGATIVE_SUBCOLUMNS_DATA:
generateNegativeSubcolumnsData();
break;
case NEGATIVE_STACKED_DATA:
generateNegativeStackedData();
break;
default:
generateDefaultData();
break;
}
}
/**
* 生成统计数据
*/
private void generateAccountingData(){
}
private void generateDefaultData() {
int numSubcolumns = 1;
int numColumns = 8;
// Column can have many subcolumns, here by default I use 1 subcolumn in each of 8 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
columnchart.setColumnChartData(data);
}
/**
* Generates columns with subcolumns, columns have larger separation than subcolumns.
*/
private void generateSubcolumnsData() {
int numSubcolumns = 4;
int numColumns = 4;
// Column can have many subcolumns, here I use 4 subcolumn in each of 8 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
columnchart.setColumnChartData(data);
}
/**
* Generates columns with stacked subcolumns.
*/
private void generateStackedData() {
int numSubcolumns = 4;
int numColumns = 8;
// Column can have many stacked subcolumns, here I use 4 stacke subcolumn in each of 4 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
values.add(new SubcolumnValue((float) Math.random() * 20f + 5, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
// Set stacked flag.
data.setStacked(true);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
columnchart.setColumnChartData(data);
}
private void generateNegativeSubcolumnsData() {
int numSubcolumns = 4;
int numColumns = 4;
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
int sign = getSign();
values.add(new SubcolumnValue((float) Math.random() * 50f * sign + 5 * sign, ChartUtils.pickColor
()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
columnchart.setColumnChartData(data);
}
private int getSign() {
int[] sign = new int[]{-1, 1};
return sign[Math.round((float) Math.random())];
}
private void generateNegativeStackedData() {
int numSubcolumns = 4;
int numColumns = 8;
// Column can have many stacked subcolumns, here I use 4 stacke subcolumn in each of 4 columns.
List<Column> columns = new ArrayList<Column>();
List<SubcolumnValue> values;
for (int i = 0; i < numColumns; ++i) {
values = new ArrayList<SubcolumnValue>();
for (int j = 0; j < numSubcolumns; ++j) {
int sign = getSign();
values.add(new SubcolumnValue((float) Math.random() * 20f * sign + 5 * sign, ChartUtils.pickColor()));
}
Column column = new Column(values);
column.setHasLabels(hasLabels);
column.setHasLabelsOnlyForSelected(hasLabelForSelected);
columns.add(column);
}
data = new ColumnChartData(columns);
// Set stacked flag.
data.setStacked(true);
if (hasAxes) {
Axis axisX = new Axis();
Axis axisY = new Axis().setHasLines(true);
if (hasAxesNames) {
axisX.setName("Axis X");
axisY.setName("Axis Y");
}
data.setAxisXBottom(axisX);
data.setAxisYLeft(axisY);
} else {
data.setAxisXBottom(null);
data.setAxisYLeft(null);
}
columnchart.setColumnChartData(data);
}
}
</pre><pre name="code" class="java">
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