Android 사용자 정의 막대 비교 통계 도

본 논문 의 사례 는 안 드 로 이 드 사용자 정의 선형 대비 통계 도의 구체 적 인 코드 를 공유 하여 여러분 께 참고 하 시기 바 랍 니 다.구체 적 인 내용 은 다음 과 같 습 니 다.
1.테스트 캡 처

2.실현 방법

package com.xtravel.widget;
 
import java.util.Timer;
import java.util.TimerTask;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
 
/**
 * @name                 
 * @Descripation <br>
 *        1、         （  float[] ）            。<br>
 *        2、      ：  、  、       、    、   、  、   、  、    。<br>
 *        3、  Y                float[]    ，                。<br>
 *        4、           ：    ，     ，        。<br>
 * @author Freedoman
 * @date 2014-9-17
 * @version 1.0
 */
public class DataCenterCustomBarChart extends View {
 
 //       、    、  
 private final int FRAME_X = 20;
 private final int FRAME_Y = 20;
 private final int FRAME_WIDTH = 1000;
 private final int FRAME_HEIGHT = 350;
 private final int FRAME_CENTER_X = FRAME_WIDTH / 2 + FRAME_X;
 private final int FRAME_CENTER_Y = FRAME_HEIGHT / 2 + FRAME_Y;
 
 //          
 private final int ORIGIN_X = FRAME_X + 100;
 private final int ORIGIN_Y = FRAME_Y + FRAME_HEIGHT - 100;
 
 // XY     
 private final int XAXIS_X = FRAME_X + FRAME_WIDTH - 200;
 private final int XAXIS_Y = ORIGIN_Y;
 private final int YAXIS_X = ORIGIN_X;
 private final int YAXIS_Y = FRAME_Y + 50;
 
 // XY    
 private int countX;
 private int countY;
 
 // XY    、       
 private float intervalX;
 private float intervalY;
 private float intervalPress;
 
 //     
 private String nameX;
 private String nameY;
 
 //     
 private String chartTitle;
 
 //     
 private int[] data1;
 private int[] data2;
 
 private int currentPosition;
 
 /**
 *       
 * 
 * @param context
 * @param chartTitle
 *         
 * @param nameXAxis
 *      X   
 * @param nameYAxis
 *      Y   
 * @param countY
 *      Y     
 * @param thisYearWeekPerson
 *          
 * @param lastYearWeekPerson
 *          
 */
 public DataCenterCustomBarChart(Context context, String chartTitle,
  String nameXAxis, String nameYAxis, int countY,
  int[] thisYearWeekPerson, int[] lastYearWeekPerson) {
 super(context);
 this.chartTitle = chartTitle;
 
 // x                 ,y           
 this.countX = thisYearWeekPerson.length > lastYearWeekPerson.length ? thisYearWeekPerson.length
  : lastYearWeekPerson.length;
 this.countY = countY;
 
 this.nameX = nameXAxis;
 this.nameY = nameYAxis;
 this.data1 = thisYearWeekPerson;
 this.data2 = lastYearWeekPerson;
 
 //   XY     =   /   
 this.intervalX = (XAXIS_X - ORIGIN_X) / countX;
 this.intervalY = (ORIGIN_Y - YAXIS_Y) / countY;
 
 //           =        /    
 float max1 = findMaxData(thisYearWeekPerson);
 float max2 = findMaxData(lastYearWeekPerson);
 this.intervalPress = (max1 > max2 ? max1 : max2) / countY;
 // startDrawDynomicBar();
 }
 
 /**
 *       
 */
 public void freshDynomicBar() {
 final Timer timer = new Timer();
 TimerTask timerTask = new TimerTask() {
  @Override
  public void run() {
  currentPosition++;
  postInvalidate();
  if (currentPosition == countX) {
   timer.cancel();
  }
  }
 };
 timer.schedule(timerTask, 100, 800);
 }
 
 /**
 *     
 */
 @SuppressLint("DrawAllocation")
 public void onDraw(Canvas canvas) {
 super.onDraw(canvas);
 canvas.drawColor(Color.WHITE);
 
 Paint paint = new Paint();
 initAXIS(canvas, paint, chartTitle);
 drawDynamicBar1(canvas, paint, data1);
 drawDynamicBar2(canvas, paint, data2);
 }
 
 /**
 *          <br>
 *   、   、    、   、   、  、    
 * 
 * @param canvas
 */
 private void initAXIS(Canvas canvas, Paint paint, String chartTitle) {
 
 //    
 paint.setColor(Color.GRAY);
 paint.setStyle(Paint.Style.STROKE);
 paint.setStrokeWidth(6);
 canvas.drawRect(FRAME_X, FRAME_Y, FRAME_WIDTH, FRAME_HEIGHT, paint);
 
 //     
 paint.setColor(Color.BLACK);
 paint.setStyle(Paint.Style.STROKE);
 paint.setStrokeWidth(5);
 // X      
 canvas.drawLine(ORIGIN_X, ORIGIN_Y, XAXIS_X, XAXIS_Y, paint);
 canvas.drawLine(XAXIS_X, XAXIS_Y, XAXIS_X - 10, XAXIS_Y - 10, paint);
 canvas.drawLine(XAXIS_X, XAXIS_Y, XAXIS_X - 10, XAXIS_Y + 10, paint);
 // Y      
 canvas.drawLine(ORIGIN_X, ORIGIN_Y, YAXIS_X, YAXIS_Y, paint);
 canvas.drawLine(YAXIS_X, YAXIS_Y, YAXIS_X - 10, YAXIS_Y + 10, paint);
 canvas.drawLine(YAXIS_X, YAXIS_Y, YAXIS_X + 10, YAXIS_Y + 10, paint);
 
 //     (2014      )
 paint.setColor(Color.BLACK);
 paint.setStyle(Paint.Style.FILL);
 paint.setTextSize(20);//       
 paint.setStrokeWidth(2);
 canvas.drawText(chartTitle, FRAME_CENTER_X - 100, FRAME_Y + 30, paint);
 
 //       20*20  (  、  )
 paint.setColor(Color.CYAN);
 canvas.drawRect(FRAME_WIDTH - 100, FRAME_CENTER_Y - 30,
  FRAME_WIDTH - 70, FRAME_CENTER_Y, paint);
 canvas.drawText("  ", FRAME_WIDTH - 60, FRAME_CENTER_Y, paint);
 
 paint.setColor(Color.MAGENTA);
 canvas.drawRect(FRAME_WIDTH - 100, FRAME_CENTER_Y, FRAME_WIDTH - 70,
  FRAME_CENTER_Y + 30, paint);
 canvas.drawText("  ", FRAME_WIDTH - 60, FRAME_CENTER_Y + 30, paint);
 
 //     
 paint.setColor(Color.GRAY);
 paint.setStyle(Paint.Style.STROKE);
 paint.setStrokeWidth(2);
 
 //   ( x      )
 for (int i = 0; i <= countY; i++) {
  canvas.drawLine(ORIGIN_X, ORIGIN_Y - i * intervalY, XAXIS_X,
   ORIGIN_Y - i * intervalY, paint);
 }
 
 //   ( y      )
 for (int i = 0; i <= countX; i++) {
  canvas.drawLine(ORIGIN_X + i * intervalX, ORIGIN_Y, ORIGIN_X + i
   * intervalX, YAXIS_Y, paint);
 }
 
 // X    ( X   1、2、3...),   
 paint.setColor(Color.BLUE);
 paint.setStyle(Paint.Style.FILL);
 paint.setStrokeWidth(2);
 paint.setTextSize(30);
 for (int i = 0; i <= countX; i++) {
  canvas.drawText("" + i, ORIGIN_X + i * intervalX, ORIGIN_Y + 50,
   paint);
 }
 
 paint.setTextSize(20);
 // Y    ( Y   ，       )   
 for (int i = 1; i <= countY; i++) {
  canvas.drawText("" + (int) (i * intervalPress), ORIGIN_X - 80,
   ORIGIN_Y - i * intervalY + 5, paint);
 }
 
 paint.setTextSize(20);
 canvas.drawText("(" + nameX + ")", XAXIS_X + 40, XAXIS_Y + 50, paint);
 canvas.drawText("(" + nameY + ")", YAXIS_X - 30, YAXIS_Y - 20, paint);
 }
 
 /**
 *   data1      <br>
 */
 @SuppressLint("ResourceAsColor")
 private void drawDynamicBar1(Canvas canvas, Paint paint, int[] data) {
 float curRectX_data1 = ORIGIN_X + intervalX - 30;
 float curRectY_data1;
 for (int i = 1; i < currentPosition; i++, curRectX_data1 += intervalX) {
  //   data1     
  paint.setColor(Color.CYAN);
  curRectY_data1 = data[i - 1] / intervalPress * intervalY;
  canvas.drawRect(curRectX_data1, ORIGIN_Y - curRectY_data1,
   curRectX_data1 + 30, ORIGIN_Y, paint);
 }
 }
 
 /**
 *   data2     
 */
 @SuppressLint("ResourceAsColor")
 private void drawDynamicBar2(Canvas canvas, Paint paint, int[] data) {
 float curRectX_data2 = ORIGIN_X + intervalX;
 float curRectY_data2;
 for (int i = 1; i < currentPosition; i++, curRectX_data2 += intervalX) {
  //   data2     
  paint.setColor(Color.MAGENTA);
  curRectY_data2 = data[i - 1] / intervalPress * intervalY;
  canvas.drawRect(curRectX_data2, ORIGIN_Y - curRectY_data2,
   curRectX_data2 + 30, ORIGIN_Y, paint);
 }
 }
 
 /**
 *         
 * 
 * @param data
 * @return float
 */
 private int findMaxData(int[] data) {
 int max = data[0];
 for (int i = 1; i < data.length; i++) {
  if (data[i] > max) {
  max = data[i];
  }
 }
 return max;
 }
 
 /**
 *                
 * 
 * @return float       
 */
 public float getGrowthRate() {
 float sumYear = 0, sumLastYear = 0;
 for (int i = 0; i < data1.length; i++) {
  sumYear += data1[i];
  sumLastYear += data2[i];
 }
 return (sumYear - sumLastYear) / sumLastYear * 100;
 }
 
 /**
 *        
 * 
 * @return int   
 */
 public int getSumWeek() {
 int sum = 0;
 for (int i = 0; i < data1.length; i++) {
  sum += data1[i];
 }
 return sum;
 }
 
 /**
 *             
 * 
 * @return int
 */
 public int getAverageWeek() {
 return getSumWeek() / data1.length;
 }
}

이상 이 바로 본 고의 모든 내용 입 니 다.여러분 의 학습 에 도움 이 되 고 저 희 를 많이 응원 해 주 셨 으 면 좋 겠 습 니 다.