谁会MPAndroidChart 我的饼图出了问题
我的饼图可以显示 但是点击的时候 有些点击不到 有些点击了以后其他饼块会成白色？求解
感谢大神~ 没有币了 见谅
这是代码
package com.chase.cn.demon;
import android.app.Activity;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Color;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.widget.TextView;
import com.github.mikephil.charting.charts.PieChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.PieData;
import com.github.mikephil.charting.data.PieDataSet;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
* Created by Chase on 2016/11/18.
*/
public class Check_Income extends Activity {
private PieChart mChart;
private TextView Income_Detail;
//数据库
private MySQLiteOpenHelper mSqlHelper;
private SQLiteDatabase mDataBase;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.check_income);
mChart = (PieChart) findViewById(R.id.piechart);
Income_Detail = (TextView) findViewById(R.id.check_income_text);
PieData mPieData = getPieData();
showChart(mChart, mPieData);
}
//初始化饼状图的数据和设置 顺便监听点击事件 显示TextView的明细
private void showChart(PieChart mChart, PieData mPieData) {
mChart.setTransparentCircleColor(Color.WHITE);
mChart.setHoleRadius(60f); //半径
mChart.setTransparentCircleRadius(64f); // 半透明圈
//pieChart.setHoleRadius(0) //实心圆
mChart.setDescription("收入情况");//设置描述
mChart.setDrawCenterText(true); //饼状图中间可以添加文字
mChart.setDrawHoleEnabled(true);
mChart.setRotationAngle(90); // 初始旋转角度
// draws the corresponding description value into the slice
mChart.setDrawSlicesUnderHole(true);
mChart.setRotationEnabled(true); // 可以手动旋转
mChart.setUsePercentValues(true); //显示成百分比
mChart.setCenterText("点击查看收入情况"); //饼状图中间的文字
//点击饼块的监听
mChart.setOnChartValueSelectedListener(new OnChartValueSelectedListener() {
@Override
public void onValueSelected(Entry entry, int i, Highlight highlight) {
Log.i("value", "clicked" + entry.getVal());//得到百分值
String value = ""+ entry.getVal();
Income_Detail.setText(value);
}
@Override
public void onNothingSelected() {
}
});
//设置数据
mChart.setData(mPieData);
// undo all highlights
// pieChart.highlightValues(null);
mChart.invalidate();
//比例图为下面标识的方块
Legend mLegend = mChart.getLegend(); //设置比例图
//设置比例块左上显示，设置换行
mLegend.setPosition(Legend.LegendPosition.ABOVE_CHART_LEFT);
mLegend.setWordWrapEnabled(true);
mLegend.setDirection(Legend.LegendDirection.LEFT_TO_RIGHT);
mLegend.setForm(Legend.LegendForm.CIRCLE); //设置比例图的形状，默认是方形
//设置距离饼图的距离
mLegend.setXEntrySpace(7f);
mLegend.setYEntrySpace(5f);
mLegend.setFormSize(12f);//比例图字体大小
mChart.animateXY(2000, 2000); //设置动画
// mChart.spin(2000, 0, 360);
}
/**
* count 分成几部分
* range
*/
private PieData getPieData() {
ArrayList<String> xValues = new ArrayList<String>(); //xVals用来表示每个饼块上的内容
ArrayList<Entry> yValues = new ArrayList<Entry>(); //yVals用来表示封装每个饼块的实际数据
int cursor_income = 0;//X指标数，用于Cursor中的计数统计，问题在于cursor遍历时对于同种类型需要合并
double Fee = 0, resultIncome = 0;
mSqlHelper = new MySQLiteOpenHelper(this, "finance.db", null, 1);
mDataBase = mSqlHelper.getReadableDatabase();
Cursor cursor = mDataBase.rawQuery("select Fee,Budget,Type from finance", null);
//设置标志，以防止多次添加同一个类型，标志的数量
boolean type1 = false, type2 = false, type3 = false, type4 = false, type5 = false, type6 = false
, type7 = false, type8 = false, type9 = false, type10 = false;
//同种类型的钱数求和的总数，收入共有10种类型，和array中type2有关。
double Fee1 = 0, Fee2 = 0, Fee3 = 0, Fee4 = 0, Fee5 = 0, Fee6 = 0, Fee7 = 0, Fee8 = 0
, Fee9 = 0, Fee10 = 0;
float sumQuarterly = 0;
//使用一个map来存储同种类型的 收入之和 后面的+=Fee 也用在后面的Y轴设置时for循环，弥补for循环不能动态读取变量
Map<String,Double> fee_type = new HashMap<String,Double>();
if (cursor.getCount() > 0) {
while (cursor.moveToNext()) {
//移动到指定记录
Fee = cursor.getDouble(cursor.getColumnIndex("Fee"));
String budget = cursor.getString(cursor.getColumnIndex("Budget"));
String type = cursor.getString(cursor.getColumnIndex("Type"));
if (budget.equals("收入")) {
if (type.equals("一般")) {
Fee1 += Fee;
fee_type.put("a1",Fee1);
if (!type1) {
xValues.add(type);
cursor_income++;
type1 = true;
}
} else if (type.equals("报销")) {
Fee2 += Fee;
fee_type.put("a2",Fee2);
if (!type2) {
xValues.add(type);
cursor_income++;
type2 = true;
}
}else if (type.equals("工资")) {
Fee3 += Fee;
fee_type.put("a3",Fee3);
if (!type3) {
xValues.add(type);
cursor_income++;
type3 = true;
}
}else if (type.equals("零花钱")) {
Fee4 += Fee;
fee_type.put("a4",Fee4);
if (!type4) {
xValues.add(type);
cursor_income++;
type4 = true;
}
}else if (type.equals("兼职")) {
Fee5 += Fee;
fee_type.put("a5",Fee5);
if (!type5) {
xValues.add(type);
cursor_income++;
type5 = true;
}
}else if (type.equals("红包")) {
Fee6 += Fee;
fee_type.put("a6",Fee6);
if (!type6) {
xValues.add(type);
cursor_income++;
type6 = true;
}
}else if (type.equals("生活费")) {
Fee7 += Fee;
fee_type.put("a7",Fee7);
if (!type7) {
xValues.add(type);
cursor_income++;
type7 = true;
}
}else if (type.equals("奖金")) {
Fee8 += Fee;
fee_type.put("a8",Fee8);
if (!type8) {
xValues.add(type);
cursor_income++;
type8 = true;
}
}else if (type.equals("投资")) {
Fee9 += Fee;
fee_type.put("a9",Fee9);
if (!type9) {
xValues.add(type);
cursor_income++;
type9 = true;
}
}else if (type.equals("其他")) {
Fee10 += Fee;
fee_type.put("a10",Fee10);
if (!type10) {
xValues.add(type);
cursor_income++;
type10 = true;
}
}
//统计总数收入
resultIncome += Fee;
}
}
}
Log.d("info3", "resultincome " + resultIncome);
Log.d("info3", "resultincome " + cursor_income);
for (int i =1;i<=10;i++){
if (fee_type.get(("a"+i))!=null){
Log.d("info2","== "+ fee_type.get("a"+i));
float quarterly = ((float) (fee_type.get(("a"+i)) / resultIncome))*100;
sumQuarterly += quarterly;
Log.d("info5","== "+ quarterly);
Log.d("info5","== "+ sumQuarterly);
yValues.add(new Entry(quarterly, i));
}
}
// 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%
*/
//y轴的集合
PieDataSet pieDataSet = new PieDataSet(yValues, "收入类型"/*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
for (int i = 0; i < cursor_income; i++) {
int r, g, b;
r = (int) (Math.random() * 255);
g = (int) (Math.random() * 255);
b = (int) (Math.random() * 255);
colors.add(Color.rgb(r, g, b));
}
pieDataSet.setColors(colors);
pieDataSet.isHighlightEnabled();
DisplayMetrics metrics = getResources().getDisplayMetrics();
float px = 5 * (metrics.densityDpi / 160f);
pieDataSet.setSelectionShift(px); // 选中态多出的长度
PieData pieData = new PieData(xValues, pieDataSet);
return pieData;
}
}
我也遇到了这个问题 怎么办