K线图和分时图
16lz
2021-01-26
代码仓库用～
package com.cxzapp.stamp.ui;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.PointF;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import com.chengxuanzhang.lib.util.StringUtil;import com.cxzapp.stamp.modules.user.UserModels;import java.text.DecimalFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.List;/** * Created by softrice on 15/10/18. */public class OnTimeChartView extends View { /** * color */ int chartBgColor = 0xFF272727;//图标背景色 int upTextColor = Color.RED;//上升时text的颜色 int defaultTextColor = Color.WHITE;//默认字体颜色 int downTextColor = Color.GREEN;//下降的时候text的颜色 int bordColor = 0xFF333333;//图标边框颜色 int charDivideLineColor = 0xFF333333;//图表分割线颜色 int charBaseDivideLineColor = 0xFF432925;//开盘价分割线颜色 int pathLineColor = 0xFFBFBFBF;//折线的颜色 int hintLineColor = 0xFFFF423D;//点击时 提示线的颜色 /** * size */ int viewHeight;//view 的高度 int viewPadding = 10;//图表边距 int textSize = 12;//字体大小 单位sp int chartHeight;//图表高度 int leftTextLenght;//左边数字的长度 int rightTextLenght;//右边数字的长度 int textHigh;//text高度 int chartWidth;//图表的宽度 //chart 的上下左右 int top; int left; int right; int bottom; /** * paint */ Paint textPaint; Paint linePaint; /** * touch 部分 */ float currentX;//当前点击的x float currentY;//当前点击的y long downTime;//手指点击下的时间 毫秒 int intervalTime = 300;//时间间隔 单位 毫秒 点击抬起时间小于该值触发点击事件 TouchListener touchListener; /** * data */ List stampChartList; double maxValue = 2999.01; double minValue = 1320.89; double openValue; List xTitle; final int YValueNum = 3;//从开盘价开始 往上 和 往下 的刻度数目 /** * time */ Calendar c = Calendar.getInstance(); int startTime; int endTime; int afternoonTime; public OnTimeChartView(Context context) { super(context); init(); } public OnTimeChartView(Context context, AttributeSet attrs) { super(context, attrs); init(); } public OnTimeChartView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); init(); } private void init() { setBackgroundColor(chartBgColor); //获取今天的涨跌图 早上9：30 晚上15：00 c.set(Calendar.HOUR_OF_DAY, 9); c.set(Calendar.MINUTE, 30); c.set(Calendar.SECOND, 0); startTime = (int) (c.getTime().getTime() / 1000); c.set(Calendar.HOUR_OF_DAY, 15); c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); endTime = (int) (c.getTime().getTime() / 1000); c.set(Calendar.HOUR_OF_DAY, 13); c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); afternoonTime = (int) (c.getTime().getTime() / 1000); textPaint = new Paint(); linePaint = new Paint(); textPaint.setAntiAlias(true); linePaint.setAntiAlias(true); textPaint.setTextSize(sp2px(textSize)); leftTextLenght = (int) (textPaint.measureText("88888.88") + 0.5); rightTextLenght = (int) (textPaint.measureText("-10.00") + 0.5); textHigh = getTextHight(textPaint); chartHeight = 13 * textHigh; viewHeight = chartHeight + 2 * textHigh + 2 * viewPadding; xTitle = new ArrayList<>(); xTitle.add("09:30"); xTitle.add("10:30"); xTitle.add("11:30/13:00"); xTitle.add("14:00"); xTitle.add("15:00"); } private int getTextHight(Paint paint) { Paint.FontMetrics fontMetrics = paint.getFontMetrics(); return (int) (fontMetrics.bottom - fontMetrics.top + 0.5f); } /** * 长度只能match * 高度只可wrap 和 match */ @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); int specMode = MeasureSpec.getMode(heightMeasureSpec); setMeasuredDimension(widthMeasureSpec, viewHeight); chartWidth = getWidth() - 2 * viewPadding - leftTextLenght - rightTextLenght; top = textHigh + viewPadding; left = viewPadding + leftTextLenght; right = viewPadding + leftTextLenght + chartWidth; bottom = textHigh + viewPadding + chartHeight; } @Override protected void onDraw(Canvas canvas) { // super.onDraw(canvas); drawY(canvas); drawX(canvas); drawBorder(canvas); drawPathLine(canvas); drawHint(canvas); } private void drawHint(Canvas canvas) { if (currentX == -1 || currentY == -1 || stampChartList == null || stampChartList.size() == 0) return; if (!(currentX <= right && currentX >= left && currentY >= top && currentY <= bottom)) return; DecimalFormat df = new DecimalFormat("0.00"); linePaint.setStrokeWidth(1); linePaint.setColor(hintLineColor); textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.CENTER); int position = getDataNum(); if (position != -1) { UserModels.StampChart chart = stampChartList.get(position); canvas.drawLine(currentX, top, currentX, bottom, linePaint); int y = getPriceY(chart.CurPrice); canvas.drawLine(left, y, right, y, linePaint); canvas.drawText(StringUtil.formatDate(chart.update_time, "HH:mm"), currentX, viewHeight - viewPadding - textHigh, textPaint); if (chart.CurPrice >= openValue) textPaint.setColor(upTextColor); else textPaint.setColor(downTextColor); textPaint.setTextAlign(Paint.Align.LEFT); canvas.drawText(df.format(chart.CurPrice), viewPadding, y + getTextBottom(textPaint), textPaint); double valuePercent = (chart.CurPrice - openValue) / openValue * 100; canvas.drawText(df.format(valuePercent), getWidth() - viewPadding - rightTextLenght, y + getTextBottom(textPaint), textPaint); canvas.drawText(df.format(chart.CurPrice), viewPadding, y + getTextBottom(textPaint), textPaint); } } private int getDataNum() { for (int i = 0; i < stampChartList.size(); i++) { UserModels.StampChart chart = stampChartList.get(i); if (chart.CurPrice == 0) continue; if (Math.abs(getTimeX(chart.update_time) - currentX) <= 1) { return i; } } return -1; } private void drawPathLine(Canvas canvas) { if (stampChartList == null || stampChartList.size() == 0) return; linePaint.setStrokeWidth(1); linePaint.setColor(pathLineColor); linePaint.setAntiAlias(true); PointF oldF = new PointF(getTimeX(stampChartList.get(0).update_time), getPriceY((float) openValue)); for (int i = 0; i < stampChartList.size(); i++) { UserModels.StampChart tmp = stampChartList.get(i); if (tmp.CurPrice < 0.1) continue; int x = (int) getTimeX(tmp.update_time); int y = (int) getPriceY(tmp.CurPrice); canvas.drawLine(oldF.x, oldF.y, x, y, linePaint); oldF.set(x, y); } } private int getPriceY(float curPrice) { return (int) ((maxValue - curPrice) * 1.0 / (maxValue - minValue) * chartHeight + viewPadding + textHigh); } private int getTimeX(int update_time) { if (update_time > afternoonTime) { return (int) ((update_time - afternoonTime + 2 * 60 * 60) * 1.0 / (4 * 60 * 60) * (chartWidth) + viewPadding + leftTextLenght); } else { return (int) ((update_time - startTime) * 1.0 / (4 * 60 * 60) * (chartWidth) + viewPadding + leftTextLenght); } } private void drawBorder(Canvas canvas) { linePaint.setStrokeWidth(1); linePaint.setColor(bordColor); canvas.drawLine(left, top, right, top, linePaint); canvas.drawLine(left, bottom, right, bottom, linePaint); canvas.drawLine(left, top, left, bottom, linePaint); canvas.drawLine(right, top, right, bottom, linePaint);// linePaint.setColor(charBaseDivideLineColor);// canvas.drawLine(left, (top + bottom) / 2, right, (top + bottom) / 2, linePaint); linePaint.setColor(charDivideLineColor); int y = chartHeight / YValueNum / 2; for (int i = 1; i < YValueNum; i++) { canvas.drawLine(left, (top + bottom) / 2 + y * i, right, (top + bottom) / 2 + y * i, linePaint); canvas.drawLine(left, (top + bottom) / 2 - y * i, right, (top + bottom) / 2 - y * i, linePaint); } int x = chartWidth / (xTitle.size() - 1); for (int i = 1; i < xTitle.size() - 1; i++) { canvas.drawLine(left + i * x, top, left + i * x, bottom, linePaint); } linePaint.setColor(charBaseDivideLineColor); linePaint.setStrokeWidth(2); canvas.drawLine(left, (top + bottom) / 2, right, (top + bottom) / 2, linePaint); } private void drawY(Canvas canvas) { double mid = (maxValue + minValue) / 2; textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.LEFT); DecimalFormat df = new DecimalFormat("0.00"); canvas.drawText(df.format(mid) + "", viewPadding, viewHeight / 2 + getTextBottom(textPaint), textPaint); canvas.drawText("0.00", getWidth() - viewPadding - rightTextLenght, viewHeight / 2 + getTextBottom(textPaint), textPaint); textPaint.setColor(upTextColor); textPaint.setTextAlign(Paint.Align.LEFT); for (int i = 1; i <= YValueNum; i++) { double value = mid + (maxValue - mid) * i / YValueNum; double valuePercent = (value - openValue) / openValue * 100; canvas.drawText(df.format(value) + "", viewPadding, viewHeight / 2 - textHigh * 2 * i + getTextBottom(textPaint), textPaint); canvas.drawText(df.format(valuePercent), getWidth() - viewPadding - rightTextLenght, viewHeight / 2 - textHigh * 2 * i + getTextBottom(textPaint), textPaint); } textPaint.setTextAlign(Paint.Align.LEFT); textPaint.setColor(downTextColor); for (int i = 1; i <= YValueNum; i++) { double value = mid - (mid - minValue) * i / YValueNum; double valuePercent = (value - openValue) / openValue * 100; canvas.drawText(df.format(value) + "", viewPadding, viewHeight / 2 + textHigh * 2 * i + getTextBottom(textPaint), textPaint); canvas.drawText(df.format(valuePercent), getWidth() - viewPadding - rightTextLenght, viewHeight / 2 + textHigh * 2 * i + getTextBottom(textPaint), textPaint); } } private int getTextBottom(Paint textPaint) { Paint.FontMetrics fontMetrics = textPaint.getFontMetrics(); return (int) fontMetrics.bottom; } private int getTextTop(Paint textPaint) { Paint.FontMetrics fontMetrics = textPaint.getFontMetrics(); return (int) fontMetrics.top; } private void drawX(Canvas canvas) { DecimalFormat df = new DecimalFormat("0.00"); textPaint.setTextAlign(Paint.Align.CENTER); textPaint.setColor(defaultTextColor); for (int i = 0; i < xTitle.size(); i++) { canvas.drawText(xTitle.get(i), viewPadding + leftTextLenght + chartWidth / 4 * i, viewHeight - viewPadding, textPaint); } textPaint.setTextAlign(Paint.Align.LEFT); if (stampChartList != null && stampChartList.size() > 0) { double value = stampChartList.get(stampChartList.size() - 1).CurPrice; canvas.drawText("最新" + df.format(value), viewPadding + leftTextLenght, viewPadding - getTextTop(textPaint), textPaint); int len = (int) textPaint.measureText("最新" + "19488.67"); double dis = value - openValue; double disPercent = dis / openValue * 100; if (value < openValue) { textPaint.setColor(downTextColor); canvas.drawText(" ↓" + df.format(dis) + "(" + df.format(disPercent) + "%)", viewPadding + leftTextLenght + len, viewPadding - getTextTop(textPaint), textPaint); } else { textPaint.setColor(upTextColor); canvas.drawText(" ↑" + df.format(dis) + "(" + df.format(disPercent) + "%)", viewPadding + leftTextLenght + len, viewPadding - getTextTop(textPaint), textPaint); } } else { canvas.drawText("最新-- --(--)", viewPadding + leftTextLenght, viewPadding - getTextTop(textPaint), textPaint); } textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.RIGHT); canvas.drawText("涨跌幅(%)", getWidth() - rightTextLenght - viewPadding, viewPadding - getTextTop(textPaint), textPaint); } public void setStampChartList(List stampChartList) { this.stampChartList = stampChartList; openValue = 0; maxValue = Double.MIN_VALUE; minValue = Double.MAX_VALUE; if (stampChartList != null) { for (int i = 0; i < stampChartList.size(); i++) { double curPrice = stampChartList.get(i).CurPrice; if (curPrice == 0) continue; if (openValue == 0) openValue = curPrice; maxValue = maxValue > curPrice ? maxValue : curPrice; minValue = minValue < curPrice ? minValue : curPrice; } } else { return; } double dis = Math.max(maxValue - openValue, openValue - minValue); dis += 5; maxValue = openValue + dis; minValue = openValue - dis; this.postInvalidate(); } @Override public boolean dispatchTouchEvent(MotionEvent event) { super.dispatchTouchEvent(event); Calendar c = Calendar.getInstance(); switch (event.getAction()) { case MotionEvent.ACTION_UP: currentX = -1; currentY = -1; break; case MotionEvent.ACTION_MOVE: float x = event.getX(); float y = event.getY(); if (judgeDownOrUp(x, y)) { currentX = -1; currentY = -1; getParent().requestDisallowInterceptTouchEvent(false); } else { getParent().requestDisallowInterceptTouchEvent(true); currentX = event.getX(); currentY = event.getY(); } break; case MotionEvent.ACTION_DOWN: downTime = c.getTimeInMillis() ; currentX = event.getX(); currentY = event.getY(); break; } return true; } @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_UP: Calendar c = Calendar.getInstance(); long upTime = c.getTimeInMillis(); if (upTime - downTime <= intervalTime) { if (touchListener != null) { touchListener.click(); } } else { getParent().requestDisallowInterceptTouchEvent(false); } currentX = -1; currentY = -1; break; } postInvalidate(); return super.onTouchEvent(event); } private boolean judgeDownOrUp(float x, float y) { if (Math.abs(currentX - x) + 10 < Math.abs(currentY - y)) { return true; } else { return false; } } public int sp2px(float spValue) { final float fontScale = getContext().getResources().getDisplayMetrics().scaledDensity; return (int) (spValue * fontScale + 0.5f); } public void setTouchListener(TouchListener touchListener) { this.touchListener = touchListener; } public void setMaxValue(double maxValue) { this.maxValue = maxValue; } public void setMinValue(double minValue) { this.minValue = minValue; } public interface TouchListener { void click(); }} package com.cxzapp.stamp.ui;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Rect;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import com.chengxuanzhang.lib.util.StringUtil;import com.cxzapp.stamp.modules.user.UserModels;import java.text.DecimalFormat;import java.util.Calendar;import java.util.List;/** * Created by softrice on 15/10/19. */public class CandleSticksChartView extends View { /** * 回调接口 */ public interface TouchListener { void click(); } /** * color */ int MA5Color = Color.WHITE; int MA10Color = 0xFFD57123; int Ma20Color = 0xFFCB37CA; int chartBgColor = 0xFF272727;//图标背景色 int upTextColor = Color.RED;//上升时text的颜色 int defaultTextColor = Color.WHITE;//默认字体颜色 int downTextColor = Color.GREEN;//下降的时候text的颜色 int bordColor = 0xFF333333;//图标边框颜色 int charDivideLineColor = 0xFF333333;//图表分割线颜色 int hintLineColor = 0xFFFF423D;// /** * size */ int viewHeight;//view 的高度 int viewPadding = 10;//图表边距 int textSize = 12;//字体大小 单位sp int chartHeight;//图表高度 int leftTextLenght;//左边数字的长度 int textHigh;//text高度 int chartWidth;//图表的宽度 int defaultStickWidth = 20; int stickWidth = defaultStickWidth;// 蜡烛宽度 int hintBorderWidth;//详情框宽度 int hintBorderLeftTextWidth;//详情框左边蚊子宽度 int hintBorderPadding = 10; //chart 的上下左右 int top; int left; int right; int bottom; /** * paint */ Paint textPaint; Paint linePaint; /** * touch 部分 */ float currentX;//当前点击的x float currentY;//当前点击的y long downTime;//手指点击下的时间 int intervalTime = 300;//时间间隔 单位 毫秒 点击抬起时间小于该值触发点击事件 TouchListener touchListener; /** * data */ List stampInfoList; double maxValue = 2000; double minValue = 1000; final int YValueNum = 7;//Y轴的刻度个数 int XValueNum = 5;//X轴刻度个数 int XDay = 10; double MA5 = -1, MA10 = -1, MA20 = -1; /** * time */ Calendar c = Calendar.getInstance(); int startTime; int endTime; DecimalFormat df; public CandleSticksChartView(Context context) { super(context); init(); } public CandleSticksChartView(Context context, AttributeSet attrs) { super(context, attrs); init(); } public CandleSticksChartView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); init(); } private void init() { df = new DecimalFormat("0.00"); setBackgroundColor(chartBgColor); textPaint = new Paint(); linePaint = new Paint(); textPaint.setAntiAlias(true); linePaint.setAntiAlias(true); textPaint.setTextSize(sp2px(textSize)); leftTextLenght = (int) (textPaint.measureText("88888.88") + 0.5); textHigh = getTextHight(textPaint); chartHeight = 13 * textHigh; viewHeight = chartHeight + 2 * textHigh + 2 * viewPadding; hintBorderLeftTextWidth = (int) (textPaint.measureText("日期: ") + 0.5); hintBorderWidth = (int) (textPaint.measureText("日期:20150518") + 0.5); } @Override public boolean dispatchTouchEvent(MotionEvent event) { super.dispatchTouchEvent(event); Calendar c = Calendar.getInstance(); switch (event.getAction()) { case MotionEvent.ACTION_UP: currentX = -1; currentY = -1; break; case MotionEvent.ACTION_MOVE: float x = event.getX(); float y = event.getY(); if (judgeDownOrUp(x, y)) { currentX = -1; currentY = -1; getParent().requestDisallowInterceptTouchEvent(false); } else { getParent().requestDisallowInterceptTouchEvent(true); currentX = event.getX(); currentY = event.getY(); } break; case MotionEvent.ACTION_DOWN: downTime = c.getTimeInMillis(); currentX = event.getX(); currentY = event.getY(); break; } return true; } @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_UP: Calendar c = Calendar.getInstance(); long upTime = c.getTimeInMillis(); if (upTime - downTime <= intervalTime) { if (touchListener != null) { touchListener.click(); } } else { getParent().requestDisallowInterceptTouchEvent(false); } currentX = -1; currentY = -1; break; } postInvalidate(); return super.onTouchEvent(event); } @Override protected void onDraw(Canvas canvas) { drawMA(canvas); drawY(canvas); drawX(canvas); drawBorder(canvas); drawCandleSticks(canvas); drawHint(canvas); } private void drawY(Canvas canvas) { textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.LEFT); double disY = (float) ((maxValue - minValue) / (YValueNum - 1)); for (int i = 0; i < YValueNum; i++) { double value = disY * i + minValue; canvas.drawText(df.format(value), viewPadding, (float) ((maxValue - value) / (maxValue - minValue) * chartHeight + viewPadding + textHigh + getTextBottom(textPaint)), textPaint); } } private void drawX(Canvas canvas) { if (stampInfoList == null || stampInfoList.size() == 0) return; textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.RIGHT); for (int i = 0; i <= XValueNum; i++) { int time = startTime + i * XDay * 24 * 60 * 60; canvas.drawText(StringUtil.formatDate(time, "MMdd"), left + chartWidth / (XValueNum - 1) * i, viewHeight - viewPadding, textPaint); } int len5 = (int) textPaint.measureText("MA5:88888.88"); textPaint.setColor(MA5Color); textPaint.setTextAlign(Paint.Align.LEFT); if (MA5 == -1) canvas.drawText("MA5:--", left, viewPadding - getTextTop(textPaint), textPaint); else canvas.drawText("MA5:" + df.format(MA5), left, viewPadding - getTextTop(textPaint), textPaint); int len10 = (int) textPaint.measureText("MA10:88888.88"); textPaint.setColor(MA10Color); if (MA10 == -1) canvas.drawText("MA10:--", left + len5, viewPadding - getTextTop(textPaint), textPaint); else canvas.drawText("MA10:" + df.format(MA10), left + len5, viewPadding - getTextTop(textPaint), textPaint); textPaint.setColor(Ma20Color); if (MA20 == -1) canvas.drawText("MA20:--", left + len5 + len10, viewPadding - getTextTop(textPaint), textPaint); else canvas.drawText("MA20:" + df.format(MA20), left + len5 + len10, viewPadding - getTextTop(textPaint), textPaint); } private void drawBorder(Canvas canvas) { linePaint.setStrokeWidth(1); linePaint.setColor(bordColor); canvas.drawLine(left, top, right, top, linePaint); canvas.drawLine(left, bottom, right, bottom, linePaint); canvas.drawLine(left, top, left, bottom, linePaint); canvas.drawLine(right, top, right, bottom, linePaint); linePaint.setColor(charDivideLineColor); double disY = (maxValue - minValue) / (YValueNum - 1); for (int i = 1; i <= YValueNum - 1; i++) { double value = disY * i + minValue; int y = (int) (viewPadding + textHigh + (maxValue - value) / (maxValue - minValue) * chartHeight); canvas.drawLine(left, y, right, y, linePaint); } double disX = chartWidth * 1.0 / (XValueNum - 1); for (int i = 1; i < XValueNum - 1; i++) { int x = (int) (i * disX + left); canvas.drawLine(x, top, x, bottom, linePaint); } } private void drawCandleSticks(Canvas canvas) { if (stampInfoList == null || stampInfoList.size() == 0) return; int disX = getTimeX(stampInfoList.get(0).update_time + 24 * 60 * 60) - getTimeX(stampInfoList.get(0).update_time); if (disX < defaultStickWidth) { stickWidth = disX; } else { stickWidth = defaultStickWidth; } for (int i = 0; i < stampInfoList.size(); i++) { int high, low, open, close; int centerX; UserModels.StampInfo info = stampInfoList.get(i); high = getPriceY(info.HighPrice); low = getPriceY(info.LowPrice); open = getPriceY(info.OpenPrice); close = getPriceY(info.YesterBalancePrice); centerX = getTimeX(info.update_time); Rect rect = new Rect(); disX = 20; if (info.OpenPrice < info.YesterBalancePrice) { linePaint.setColor(upTextColor); rect.set(centerX - disX / 2, close, centerX + disX / 2, open); canvas.drawRect(rect, linePaint); } else { linePaint.setColor(downTextColor); rect.set(centerX - disX / 2, open, centerX + disX / 2, close); canvas.drawRect(rect, linePaint); } linePaint.setStrokeWidth(1); canvas.drawLine(centerX, high, centerX, low, linePaint); } } private void drawMA(Canvas canvas) { if (stampInfoList == null || stampInfoList.size() == 0) return; if (stampInfoList.size() < 5) return; //MA5 MA5 = 0; linePaint.setColor(MA5Color); linePaint.setStrokeWidth(2); linePaint.setTextAlign(Paint.Align.LEFT); double ave = 0; for (int i = 0; i < 5; i++) { UserModels.StampInfo info = stampInfoList.get(i); ave += info.YesterBalancePrice; } ave /= 5; int oldx, oldy; oldy = getPriceY((float) ave); oldx = getTimeX(stampInfoList.get(4).update_time); for (int i = 5; i < stampInfoList.size(); i++) { ave = 0; for (int j = 0; j < 5; j++) { UserModels.StampInfo info = stampInfoList.get(i - j); ave += info.YesterBalancePrice; } ave /= 5; MA5 += ave; int y = getPriceY((float) ave); int x = getTimeX(stampInfoList.get(i).update_time); canvas.drawLine(oldx, oldy, x, y, linePaint); oldx = x; oldy = y; } MA5 /= stampInfoList.size() - 4; //MA10 if (stampInfoList.size() < 10) return; MA10 = 0; linePaint.setColor(MA10Color); ave = 0; for (int i = 0; i < 10; i++) { UserModels.StampInfo info = stampInfoList.get(i); ave += info.YesterBalancePrice; } ave /= 10; oldy = getPriceY((float) ave); oldx = getTimeX(stampInfoList.get(9).update_time); for (int i = 10; i < stampInfoList.size(); i++) { ave = 0; for (int j = 0; j < 10; j++) { UserModels.StampInfo info = stampInfoList.get(i - j); ave += info.YesterBalancePrice; } ave /= 10; MA10 += ave; int y = getPriceY((float) ave); int x = getTimeX(stampInfoList.get(i).update_time); canvas.drawLine(oldx, oldy, x, y, linePaint); oldx = x; oldy = y; } MA10 /= stampInfoList.size() - 9; //MA20 if (stampInfoList.size() < 20) return; MA20 = 0; linePaint.setColor(MA10Color); ave = 0; for (int i = 0; i < 20; i++) { UserModels.StampInfo info = stampInfoList.get(i); ave += info.YesterBalancePrice; } ave /= 20; oldy = getPriceY((float) ave); oldx = getTimeX(stampInfoList.get(19).update_time); for (int i = 20; i < stampInfoList.size(); i++) { ave = 0; for (int j = 0; j < 20; j++) { UserModels.StampInfo info = stampInfoList.get(i - j); ave += info.YesterBalancePrice; } ave /= 20; MA20 += ave; int y = getPriceY((float) ave); int x = getTimeX(stampInfoList.get(i).update_time); canvas.drawLine(oldx, oldy, x, y, linePaint); oldx = x; oldy = y; } MA20 /= stampInfoList.size() - 19; } private void drawHint(Canvas canvas) { if (currentX == -1 || currentY == -1 || stampInfoList == null || stampInfoList.size() == 0) return; if (!(currentX <= right && currentX >= left && currentY >= top && currentY <= bottom)) return; linePaint.setStrokeWidth(1); linePaint.setColor(hintLineColor); textPaint.setColor(defaultTextColor); textPaint.setTextAlign(Paint.Align.CENTER); int position = getDataNum(); if (position != -1) { UserModels.StampInfo info = stampInfoList.get(position); canvas.drawLine(getTimeX(info.update_time), top, getTimeX(info.update_time), bottom, linePaint); drawHintDetail(canvas, position); } } private void drawHintDetail(Canvas canvas, int position) { // 绘制点击线条及详情区域 UserModels.StampInfo info = stampInfoList.get(position); linePaint.setColor(Color.BLACK); linePaint.setAlpha(150); int borderLeft, borderRight, borderTop, borderBottom; if (getTimeX(info.update_time) > left + chartWidth * 1.0 / 2) { borderLeft = left; borderRight = left + hintBorderWidth + 2 * hintBorderPadding; borderTop = top; borderBottom = top + textHigh * 5 + 2 * hintBorderPadding; } else { borderLeft = right - (hintBorderWidth + 2 * hintBorderPadding); borderRight = right; borderTop = top; borderBottom = top + textHigh * 5 + 2 * hintBorderPadding; } canvas.drawRect(borderLeft, borderTop, borderRight, borderBottom, linePaint); textPaint.setTextAlign(Paint.Align.LEFT); try { canvas.drawText("日期: " + StringUtil.formatDate(info.update_time, "yyyyMMdd"), borderLeft + hintBorderPadding, borderTop + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("开盘: ", borderLeft + hintBorderPadding, borderTop + textHigh * 1.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("收盘: ", borderLeft + hintBorderPadding, borderTop + textHigh * 2.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("最高: ", borderLeft + hintBorderPadding, borderTop + textHigh * 3.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("最低: ", borderLeft + hintBorderPadding, borderTop + textHigh * 4.0f + hintBorderPadding - getTextTop(textPaint), textPaint); if (info.OpenPrice < info.YesterBalancePrice) { textPaint.setColor(upTextColor); } else { textPaint.setColor(downTextColor); } canvas.drawText(df.format(info.OpenPrice), borderLeft + hintBorderPadding + hintBorderLeftTextWidth, borderTop + textHigh * 1.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText(df.format(info.YesterBalancePrice), borderLeft + hintBorderPadding + hintBorderLeftTextWidth, borderTop + textHigh * 2.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText(df.format(info.HighPrice), borderLeft + hintBorderPadding + hintBorderLeftTextWidth, borderTop + textHigh * 3.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText(df.format(info.LowPrice), borderLeft + hintBorderPadding + hintBorderLeftTextWidth, borderTop + textHigh * 4.0f + hintBorderPadding - getTextTop(textPaint), textPaint); } catch (Exception e) { canvas.drawText("日期: -- --", borderLeft + hintBorderPadding, borderTop + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("开盘: -- --", borderLeft + hintBorderPadding, borderTop + textHigh * 1.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("收盘: -- --", borderLeft + hintBorderPadding, borderTop + textHigh * 2.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("最高: -- --", borderLeft + hintBorderPadding, borderTop + textHigh * 3.0f + hintBorderPadding - getTextTop(textPaint), textPaint); canvas.drawText("最低: -- --", borderLeft + hintBorderPadding, borderTop + textHigh * 4.0f + hintBorderPadding - getTextTop(textPaint), textPaint); } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); setMeasuredDimension(widthMeasureSpec, viewHeight); chartWidth = getWidth() - 2 * viewPadding - leftTextLenght; top = textHigh + viewPadding; left = viewPadding + leftTextLenght; right = getWidth() - viewPadding; bottom = textHigh + viewPadding + chartHeight; } private boolean judgeDownOrUp(float x, float y) { if (Math.abs(currentX - x) + 10 < Math.abs(currentY - y)) { return true; } else { return false; } } private int getTextBottom(Paint textPaint) { Paint.FontMetrics fontMetrics = textPaint.getFontMetrics(); return (int) fontMetrics.bottom; } private int getTextTop(Paint textPaint) { Paint.FontMetrics fontMetrics = textPaint.getFontMetrics(); return (int) fontMetrics.top; } private int getPriceY(float curPrice) { return (int) ((maxValue - curPrice) * 1.0 / (maxValue - minValue) * chartHeight + viewPadding + textHigh); } private int getTimeX(int update_time) { return (int) ((update_time - startTime) * 1.0 / (endTime - startTime) * chartWidth + leftTextLenght + viewPadding); } public void setTouchListener(TouchListener touchListener) { this.touchListener = touchListener; } public int sp2px(float spValue) { final float fontScale = getContext().getResources().getDisplayMetrics().scaledDensity; return (int) (spValue * fontScale + 0.5f); } private int getDataNum() { for (int i = 0; i < stampInfoList.size(); i++) { UserModels.StampInfo info = stampInfoList.get(i); if (Math.abs(getTimeX(info.update_time) - currentX) < stickWidth) { return i; } } return -1; } private int getTextHight(Paint paint) { Paint.FontMetrics fontMetrics = paint.getFontMetrics(); return (int) (fontMetrics.bottom - fontMetrics.top + 0.5f); } public void setStampInfoList(List stampInfoList) { this.stampInfoList = stampInfoList; if (stampInfoList == null || stampInfoList.size() == 0) return; maxValue = Float.MIN_VALUE; minValue = Float.MAX_VALUE; for (int i = 0; i < stampInfoList.size(); i++) { UserModels.StampInfo info = stampInfoList.get(i); maxValue = maxValue > info.HighPrice ? maxValue : info.HighPrice; minValue = minValue < info.LowPrice ? minValue : info.LowPrice; minValue = minValue < info.YesterBalancePrice ? minValue : info.YesterBalancePrice; minValue = minValue < info.OpenPrice ? minValue : info.OpenPrice; maxValue = maxValue > info.OpenPrice ? maxValue : info.OpenPrice; maxValue = maxValue > info.YesterBalancePrice ? maxValue : info.YesterBalancePrice; } startTime = stampInfoList.get(0).update_time; startTime -= 24 * 60 * 60; endTime = stampInfoList.get(stampInfoList.size() - 1).update_time; if (startTime - endTime < 40 * 24 * 60 * 60) { XValueNum = 5; XDay = 10; } else { XValueNum = (startTime - endTime) / (10 * 24 * 60 * 60) + 2; XDay = 10; } endTime = startTime + (XValueNum - 1) * XDay * 24 * 60 * 60; this.postInvalidate(); }} 更多相关文章
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