android自定义折线图表格控件

package org.canvasaboutbitmap.view; /** *@版权所有者 iamwsbear@gmail.com */ import org.canvasaboutbitmap.R; import android.annotation.SuppressLint; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Style; import android.graphics.Path; import android.graphics.Point; import android.util.AttributeSet; import android.view.View; import java.util.ArrayList; import java.util.List; import java.util.Random; public class CommonChartView extends View { private int bgColor = Color.rgb(Integer.parseInt("4d", 16), Integer.parseInt("af", 16), Integer.parseInt("ea", 16));// 整体的背景色 private int singleColumnFillColor = Color.rgb(Integer.parseInt("e7", 16), Integer.parseInt("e7", 16), Integer.parseInt("e9", 16));// 单数列的背景色 private int doubleColumnFillColor = Color.rgb(Integer.parseInt("4d", 16), Integer.parseInt("af", 16), Integer.parseInt("ea", 16));// 单数行的背景色 private int fillDownColor = Color.rgb(Integer.parseInt("45", 16), Integer.parseInt("64", 16), Integer.parseInt("bf", 16));// 填充下面部分的背景色 private int xyLineColor = Color.rgb(Integer.parseInt("a9", 16), Integer.parseInt("d8", 16), Integer.parseInt("f5", 16));// 表格的线颜色 private int chartLineColor = Color.WHITE;// 绘制趋势线的颜色 private int shadowLineColor = Color.rgb(Integer.parseInt("1a", 16), Integer.parseInt("49", 16), Integer.parseInt("84", 16));// 趋势线阴影的颜色 private String yUnit = "";// Y轴单位 private boolean isDrawY = false;// 是否绘制Y轴 private boolean isDrawX = true;// 是否绘制X轴 private boolean isDrawInsideX = true;// 是否绘制内部的X轴 private boolean isDrawInsedeY = false;// 是否绘制内部的Y轴 private boolean isFillDown = false;// 是否填充点的下面部分 private boolean isFillUp = false;// 是否填充点的上面部分（暂未实现） private boolean isAppendX = true;// X轴是否向左突出一点 private boolean isDemo = true;// 是否demo测试数据 private int ScreenX;// view的宽度 private int ScreenY;// view的高度 private int numberOfX = 6;// 默认X轴放6个值 private int numberOfY = 5;// 默认Y轴放5个值（越多显示的值越精细） private int paddingTop = 30;// 默认上下左右的padding private int paddingLeft = 70;// 默认上下左右的padding private int paddingRight = 30;// 默认上下左右的padding private int paddingDown = 50;// 默认上下左右的padding private int appendXLength = 10;// 向左X轴突出的长度 private float maxNumber = 0;// Y轴最大值 private List<List<Float>> pointList;// 传入的数据 private List<Integer> bitmapList;// 传入的颜色值 private List<Integer> lineColorList; private List<String> titleXList;// 传入的X轴标题 private List<String> titleYList;// 计算得出的Y轴标题 public CommonChartView(Context context) { super(context); demo(); } public CommonChartView(Context context, AttributeSet attr) { super(context, attr); demo(); } private void demo() { if (!isDemo) { return; } pointList = new ArrayList<List<Float>>(); titleXList = new ArrayList<String>(); lineColorList = new ArrayList<Integer>(); lineColorList.add(Color.WHITE); lineColorList.add(Color.GREEN); lineColorList.add(Color.YELLOW); // TODO 测试 for (int i = 0; i < 3; i++) { List<Float> pointInList = new ArrayList<Float>(); for (int j = 0; j < 6; j++) { Random r = new Random(); Float z = r.nextFloat()*100; pointInList.add(z); titleXList.add("12." + (i + 1) + "1"); } pointList.add(pointInList); } } /** * 计算得出View的宽高 * * @param widthMeasureSpec * @param heightMeasureSpec */ @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int measuredHeight = measureHeight(heightMeasureSpec); int measuredWidth = measureWidth(widthMeasureSpec); setMeasuredDimension(measuredWidth, measuredHeight); ScreenX = measuredWidth; ScreenY = measuredHeight; } private int measureHeight(int measureSpec) { int specMode = MeasureSpec.getMode(measureSpec); int specSize = MeasureSpec.getSize(measureSpec); int result = 300; if (specMode == MeasureSpec.AT_MOST) { result = specSize; } else if (specMode == MeasureSpec.EXACTLY) { result = specSize; } return result; } private int measureWidth(int measureSpec) { int specMode = MeasureSpec.getMode(measureSpec); int specSize = MeasureSpec.getSize(measureSpec); int result = 450; if (specMode == MeasureSpec.AT_MOST) { result = specSize; } else if (specMode == MeasureSpec.EXACTLY) { result = specSize; } return result; } /** * 绘画View方法 * * @param canvas */ @SuppressLint("DrawAllocation") @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); maxNumber = 0; List<Point> listX = initNumberOfX();// 计算出X轴平均后的坐标 List<Point> listY = initNumberOfY();// 计算出Y轴平均后的坐标 canvas.drawColor(bgColor);// 背景色 fillColor(listX, canvas);// 根据需求，对每一个框做不同的填充颜色 // 画背景表格 Paint paint = new Paint(); paint.setColor(xyLineColor);// //表格线颜色 if (isDrawX) { int appendX = 0; if (isAppendX) { appendX = appendXLength; } canvas.drawLine(paddingLeft - appendX, paddingTop + listY.get(0).y, listY.get(0).x + paddingLeft, paddingTop + listY.get(0).y, paint); } if (isDrawY) { canvas.drawLine(listX.get(0).x, paddingTop, listX.get(0).x, listX.get(0).y + paddingTop , paint); } if (isDrawInsedeY) {// 绘制纵向的 for (Point point : listX) { if (!isDrawX) { isDrawX = !isDrawX; continue; } canvas.drawLine(point.x, paddingTop, point.x, point.y + paddingTop, paint); } } if (isDrawInsideX) {// 绘制横向的 for (Point point : listY) { if (!isDrawY) { isDrawY = !isDrawY; continue; } int appendX = 0; if (isAppendX) { appendX = appendXLength; } canvas.drawLine(paddingLeft - appendX, paddingTop + point.y, point.x + paddingLeft, paddingTop + point.y, paint); } } setYTitle(listY, canvas);// 画折线图Y的单位，同时计算出最大的Y轴值 List<List<Point>> positionList = countListPosition(listX);// 计算像素位置 drawFill(canvas, positionList);// 填充折线和边框 drawChart(canvas, positionList);// 画折线 drawCicle(canvas, positionList);// 画点 setXTitle(listX, canvas);// 画折线图X的单位 } private void drawFill(Canvas canvas, List<List<Point>> positionList) { if (!isFillDown) { return; } Paint paint = new Paint(); paint.setAntiAlias(true); paint.setColor(fillDownColor); pain