这篇文章主要为大家展示了“Android如何自定义圆角柱状图”，内容简而易懂，条理清晰，希望能够帮助大家解决疑惑，下面让小编带领大家一起研究并学习一下“Android如何自定义圆角柱状图”这篇文章吧。
具体内容如下
需求：
画一个圆角柱状图，显示12个月的数据，Y轴数据动态分割，如果是当前月，就画出当前月图片；点击柱状图变色，并显示虚线弹出当前月信息，滑动时弹框和虚线消失，柱状图刷新到最初。
1.HistogramRound
package com.broker.liming.widget; import android.annotation.TargetApi;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.DashPathEffect;import android.graphics.Paint;import android.graphics.Path;import android.graphics.Rect;import android.os.Build;import android.support.annotation.Nullable;import android.support.v4.content.ContextCompat;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.view.ViewConfiguration; import com.broker.liming.R;import com.broker.liming.bean.ChartData;import com.broker.liming.utils.ArithUtil;import com.broker.liming.utils.LogUtil2; import java.text.DecimalFormat;import java.util.ArrayList;import java.util.List; public class HistogramRound extends ChartYdate { private int[] rect_color; private int rect_text_color;//矩形文字颜色 private int rect_big_text_color;//矩形最大文字颜色 private int rect_text_size;//矩形文字尺寸 private getNumberListener listener; private int selectIndex = -1; private int yHeightSelect=0; private int leftSelector=0; private boolean isScrollow;//true 滑动 false点击 private List<Integer> selectIndexRoles = new ArrayList<>(); private List<Object> objects=new ArrayList<>(); public HistogramRound(Context context) { super(context); } public HistogramRound(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); initStyle(context,attrs); } public HistogramRound(Context context, AttributeSet attrs) { super(context, attrs); initStyle(context,attrs); } private void initStyle(Context context,AttributeSet attrs) { TypedArray types = context.obtainStyledAttributes(attrs, R.styleable.zqxchart_histogram); coordinates_color = types.getColor(R.styleable.zqxchart_histogram_hCoordinatesColor, Color.RED); rect_text_color = types.getColor(R.styleable.zqxchart_histogram_rectTextColor,Color.BLACK); rect_big_text_color=getResources().getColor(R.color.text_yellow); rect_text_size = types.getInteger(R.styleable.zqxchart_histogram_rectTextSize,28); x_text_color = types.getColor(R.styleable.zqxchart_histogram_hxTextColor,Color.BLACK); y_text_color = types.getColor(R.styleable.zqxchart_histogram_hyTextColor,Color.BLACK); x_text_size = types.getInteger(R.styleable.zqxchart_histogram_hxTextSize,30); y_text_size = types.getInteger(R.styleable.zqxchart_histogram_hyTextSize,28); xpCount = types.getInteger(R.styleable.zqxchart_histogram_hxPointCount,12); ypCount = types.getInteger(R.styleable.zqxchart_histogram_hyPointCount,12); rect_color = getResources().getIntArray(R.array.histogram_color); animType = types.getInteger(R.styleable.zqxchart_histogram_hanimType, Anim.ANIM_NONE); types.recycle(); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (xData!=null&&yData!=null){ drawHistogramRound(canvas); } } @TargetApi(Build.VERSION_CODES.LOLLIPOP) private void drawHistogramRound(Canvas canvas) { //如果没有设置x轴数据 if (xData == null){ throw new NullPointerException("x轴数据源不能为空!"); } //如果没有设置y轴数据 if (yData == null){ throw new NullPointerException("y轴数据源不能为空!"); } Paint histogramPaint = new Paint();// histogramPaint.setAntiAlias(true); histogramPaint.setStyle(Paint.Style.FILL); histogramPaint.setStrokeWidth((float) 4.0); histogramPaint.setStrokeCap(Paint.Cap.ROUND); //矩形上具体数据画笔 Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);// tv_mudi.setTextSize(TypedValue.COMPLEX_UNIT_PX,getResources().getDimension(R.dimen.font_13));// textPaint.setTextSize(rect_text_size); Paint mPaintCircle = new Paint(Paint.ANTI_ALIAS_FLAG);// mPaintCircle.setStyle(Paint.Style.ANTI_ALIAS_FLAG);// mPaintCircle.setStrokeWidth(2); mPaintCircle.setColor(Color.parseColor("#ff5932")); mPaintCircle.setPathEffect(new DashPathEffect(new float[]{4, 4}, 0)); mPaintCircle.setAntiAlias(true); textPaint.setTextSize(getResources().getDimension(R.dimen.font_9)); DecimalFormat formater = new DecimalFormat("0.000"); for (int i=0; i<xpCount; i++){ try { histogramPaint.setColor(rect_color == null ? getResources().getColor(R.color.colorPrimary) : rect_color[i]); }catch (ArrayIndexOutOfBoundsException e){ histogramPaint.setColor(getResources().getColor(R.color.colorPrimary)); } int alpha = anims[i].getAlpha(); textPaint.setAlpha(alpha); histogramPaint.setAlpha(alpha); //计算执行动画当前y坐标 float top = anims[i].getCurrentY(); float left = oX+xCoordinates[i]-xSpacing/5; float right = oX+xCoordinates[i]+xSpacing/3; String a = formater.format(yData[i]); String ydata=a.substring(0,a.indexOf(".")); int[] textSize = getTextSize(xData[i],textPaint); float textY = top - textSize[1]/2; LogUtil2.log("yMax-------"+yMax+"--ydata--"+ydata); if (Float.valueOf(ydata)>=yMax){ textPaint.setColor(rect_big_text_color); }else { textPaint.setColor(rect_text_color); } LogUtil2.log("yData--------------->ydataY轴上的数据"+ydata); //画矩形上文字// canvas.drawText(ydata,left+20,textY,textPaint); //计算每条柱状图的宽度// double tempBarWidth = (((int) mXinterval) >> 1) / mCategoryList.size();// mBarPaint.setStrokeWidth((float) tempBarWidth); if (selectIndex==i){ histogramPaint.setColor(ContextCompat.getColor(getContext(), R.color.name_ffa646)); //draw x 坐标 yHeightSelect= (int) top- getPaddingBottom()-xTextSurplus-x_text_size; yHeightSelect= (int) (top); leftSelector= (int) (left+(right-left)/2);// canvas.drawLine(oX,top, oX,top-yHeight,mPaintCircle); Path path = new Path(); path.moveTo(oX, oX+xWidth+40); path.lineTo(oX, oX+xWidth+40);// canvas.drawPath(path, mPaintCircle);// canvas.drawLine(oX,top,oX+xWidth+40,top,mPaintCircle); if (!isScrollow){ listener.getNumber(i, (int) oY, leftSelector,yHeightSelect, (int) oX); } LogUtil2.log("setSelect--画：--getHeight"+getHeight()+"--left--"+left+"--height--"+yHeightSelect+"--top--"+top+"--oy--"+oY); }else { histogramPaint.setColor(ContextCompat.getColor(getContext(), R.color.color_1FA6FB)); } //画每一个矩形 if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){ //画圆角柱只在5.0以上版本适用，以下版本会闪退 canvas.drawRoundRect(left,top,right,oY,30,30,histogramPaint); }else { canvas.drawRect(left,top,right,oY,histogramPaint); } objects.add(histogramPaint); } } public void setPublicRefresh(){ selectIndex=-1; invalidate(); for (int i=0;i<objects.size();i++){ Paint paint= (Paint) objects.get(i); paint.setColor(ContextCompat.getColor(getContext(), R.color.color_1FA6FB)); LogUtil2.log("柱子--"+paint); } }// public void isScrollow(boolean isScrollowt){// this.isScrollow=isScrollowt;// }; @Override public void setChartYdateData(ChartData chartData) { super.setChartYdateData(chartData); HistogramData histogramData = (HistogramData) chartData; this.rect_color = histogramData.getRectColor() != null ? histogramData.getRectColor() : this.rect_color; this.rect_text_size = getFinalValue(this.rect_text_size,histogramData.getRectTextSize()); this.rect_text_color = getFinalValue(this.rect_text_color,histogramData.getRectTextColor()); } @Override public void setOnLongClickListener(@Nullable OnLongClickListener l) { super.setOnLongClickListener(l); LogUtil2.log("onDraw--getX---弹框的长按事件:" + isScrollow); } @Override protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { super.onOverScrolled(scrollX, scrollY, clampedX, clampedY); LogUtil2.log("onDraw--getX---弹框的滑动事件:" + isScrollow); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); LogUtil2.log("onDraw--getX---弹框的滑动改变事件:" + isScrollow); } @Override public boolean onTouchEvent(MotionEvent ev) { int x =0; int y =0; int left = getPaddingLeft()+yTextSurplus; int top = 0; int right = xWidth/ 12+getPaddingLeft()+yTextSurplus; int bottom = yHeight;// int right = getWidth()/ 12;// int bottom = yHeight; switch (ev.getAction()) { case MotionEvent.ACTION_DOWN: x = (int) ev.getX(); y = (int) ev.getY(); LogUtil2.log("setSelect--666down--x" + x + "--left--" + y + "ev--x" + ev.getX() + "ev--y" + ev.getY()); // if (isScrollow) { // } break; case MotionEvent.ACTION_MOVE: isScrollow=true; LogUtil2.log("setSelect--666Move--x" + x + "--left--" + y + "ev--x" + ev.getX() + "ev--y" + ev.getY()); break; case MotionEvent.ACTION_UP: isScrollow=false; x = (int) ev.getX(); y = (int) ev.getY(); LogUtil2.log("setSelect--666UP--x" + x + "--left--" + y + "ev--x" + ev.getX() + "ev--y" + ev.getY()); for (int i = 0; i < 12; i++) { Rect rect = new Rect(left, top, right, bottom); left += xWidth / 12; right += xWidth / 12; if (rect.contains(x, y)) { if (listener != null) { //抬起坐标减去放下坐标绝对值小于20代表点击，否则代表滑动// if (Math.abs(ArithUtil.sub(ev.getX(), x)) <= 20 && Math.abs(ArithUtil.sub(ev.getY(), y)) <= 20) { selectIndex = i; selectIndexRoles.clear(); selectIndexRoles.add(selectIndex); invalidate();// } } } } break; } return true; } public void setListener(getNumberListener listener) { this.listener = listener; } public interface getNumberListener { void getNumber(int number, int x, int y,int HeightSelect,int ox); }}2.ChartYdate
package com.broker.liming.widget; import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.Rect;import android.graphics.RectF;import android.support.v4.content.ContextCompat;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View; import com.broker.liming.R;import com.broker.liming.bean.ChartData;import com.broker.liming.utils.DensityUtil;import com.broker.liming.utils.DoubleUtils;import com.broker.liming.utils.LogUtil2; import java.math.BigDecimal;import java.text.DecimalFormat;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List; public class ChartYdate extends View { protected final int xSurplus = 0;//x轴留余 protected final int ySurplus = 20;//y轴留余 protected final int xTextSurplus = 150;//x轴文字留余 protected final int yTextSurplus = 100;//y轴文字留余 protected float oX;//原点x protected float oY;//原点y protected int xWidth;//x轴宽度 protected int yHeight;//y轴高度 protected int xSpacing;//x轴坐标间距 protected int ySpacing;//y轴坐标间距 protected int xpCount = 7;//x轴坐标点数 protected int ypCount = 7;//y轴坐标点数 protected int[] xCoordinates;//x轴坐标点 protected int[] yCoordinates;//y轴坐标点 protected float yMax = 0f;//y轴最大刻度值 protected String[] xData;//x轴数据 protected float[] yData;//y轴数据 protected int coordinates_color;//坐标系颜色 protected int x_text_size;//x轴文字尺寸 protected int y_text_size;//y轴文字尺寸 protected int x_text_color;//x轴文字颜色 protected int y_text_color;//y轴文字颜色 protected boolean isAnim = true; protected Anim[] anims;//动画数组 protected long interval = 100;//动画执行间隔 protected int animType = -2;//动画 private Paint mTableValuePaint;// private getNumberListener listener;// private int selectIndex = -1;// private List<Integer> selectIndexRoles = new ArrayList<>(); public ChartYdate(Context context) { super(context); } public ChartYdate(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } public ChartYdate(Context context, AttributeSet attrs) { super(context, attrs); } @Override protected void onDraw(Canvas canvas) { LogUtil2.log("yData--------------->onDraw画布"+ypCount); initChartYdateProp(); initCoordinateSystem(canvas); //开始动画 if (isAnim){ initAnims(); post(animator); isAnim = false; } } private void initChartYdateProp() { //x轴宽度 xWidth = getWidth() - getPaddingLeft() - getPaddingRight() - yTextSurplus; //y轴宽度 yHeight = getHeight() - getPaddingTop() - getPaddingBottom() - xTextSurplus; //x轴每个刻度的间距 xSpacing = (xWidth-xSurplus-xWidth%xpCount)/xpCount; //y轴每个刻度的间距 ySpacing = (yHeight-ySurplus-yHeight%ypCount)/ypCount; //坐标系原点x oX = getPaddingLeft()+yTextSurplus; //坐标系原点y 减70为了画出当月图片 oY = getPaddingTop()+yHeight+xTextSurplus/2-70; //x轴各刻度点位置 xCoordinates = new int[xpCount]; //y轴各刻度点位置 yCoordinates = new int[ypCount]; //记录x轴刻度点位置 修改柱形图离坐标原点的距离 for (int i=0; i<xpCount; i++){ xCoordinates[i] = (i+1) * xSpacing- 30; } LogUtil2.log("yData--------------->ypCount记录y轴刻度点位置"+ypCount); //记录y轴刻度点位置 for (int j=0; j<ypCount; j++){ yCoordinates[j] = (j+1) * ySpacing; LogUtil2.log("yData--------------->henghe"+yCoordinates[j]); } LogUtil2.log("yData--------------->yCoordinates记录y轴刻度点位置"+yCoordinates.length); } private void initCoordinateSystem(Canvas canvas){ Paint mainPaint = new Paint(); mainPaint.setColor(coordinates_color); mainPaint.setAntiAlias(true); //draw x 坐标// canvas.drawLine(oX,oY, oX,oY-yHeight,mainPaint); //draw y 坐标// canvas.drawLine(oX,oY,oX+xWidth+40,oY,mainPaint); //刻度值画笔 Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG); textPaint.setColor(getResources().getColor(R.color.transparent)); mTableValuePaint = new Paint(); mTableValuePaint.setStrokeWidth(DensityUtil.dip2px(getContext(), 0.04f)); mTableValuePaint.setStyle(Paint.Style.FILL); mTableValuePaint.setColor(ContextCompat.getColor(getContext(), R.color.text_666666)); mTableValuePaint.setAntiAlias(true); mTableValuePaint.setTextSize(DensityUtil.dip2px(getContext(), 13)); //draw x 刻度 for (int i=0; i<xCoordinates.length; i++){ //更改文字大小// textPaint.setTextSize(x_text_size); textPaint.setTextSize(getResources().getDimension(R.dimen.font_9)); //更改文字颜色 textPaint.setColor(x_text_color); //x轴刻度线// canvas.drawLine(oX+xCoordinates[i],oY,oX+xCoordinates[i],oY-5,mainPaint); //获取x轴文字宽高 if (xData!=null&&xData.length>0){ int[] textSize = getTextSize(xData[i],textPaint); //计算x轴文字x,y坐标偏移量 int textX = textSize[0]/2; int textY = xTextSurplus/2 - textSize[1]/2; //画x轴文字 canvas.drawText(xData[i],oX+xCoordinates[i]-textX,oY+textY,textPaint); String[] strNow = new SimpleDateFormat("yyyy-MM-dd").format(new Date()).toString().split("-"); Integer year = Integer.parseInt(strNow[0]); Integer month = Integer.parseInt(strNow[1]); //画当前月图片 + DensityUtil.dip2px(mContext, 6) if (month == Integer.parseInt(xData[i])) { Bitmap arrow = BitmapFactory.decodeResource(getResources(), R.mipmap.current_month); RectF rectF = new RectF((float) (oX+xCoordinates[i]-textX - DensityUtil.dip2px(getContext(), 10)), (float) (oY+textY+60 - DensityUtil.dip2px(getContext(), 15)), (float) (oX+xCoordinates[i]-textX + DensityUtil.dip2px(getContext(), 20)), (float) (oY+textY+70 - DensityUtil.dip2px(getContext(), 3))); canvas.drawBitmap(arrow, null, rectF, textPaint); } } } if(yMax == 0f){ yMax = getYMax(); } if(getYMax()==0){ yMax=1.0f; } //draw y 刻度 for (int j=0; j<ypCount; j++){ //更改文字大小 textPaint.setTextSize(y_text_size); //y轴刻度线// canvas.drawLine(oX,oY-yCoordinates[j],oX+5,oY-yCoordinates[j],mainPaint); //y轴刻度值 int iYMax = (int)yMax; String datay; if (yMax - iYMax == 0){ datay = (int)(yMax/ypCount*(j+1))+""; }else { datay = new DecimalFormat("0.000").format(yMax/ypCount*(j+1)); } //平均分成4份// Double mMaxDiv = DoubleUtils.getLargerInterger(yMax, 7);// datay= String.valueOf((new BigDecimal((j + 1) * mMaxDiv).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue())); int att=(int) Math.floor(yMax); String mBigst=String.valueOf(att);// String mBigst=String.valueOf(yMax).substring(0, String.valueOf(yMax).indexOf(".")); int maxLength=mBigst.length(); int baseMax= att+1; if (maxLength>=2){ baseMax= Integer.valueOf(mBigst.substring(0, 2))+1; } boolean isBreak=false; int margCount=0; String ii="";//画y轴最大值 String aa="";//间隔 for (int i=baseMax;i<baseMax+100;i++){ for (int a=100;a>0;a--){ if (i%a==0&&i/a<=6&&i/a>=4){ margCount=i/a; ii= String.valueOf(i); aa=String .valueOf(a); isBreak=true; break; } } if (isBreak) break; } for (int y=0;y<maxLength-2;y++){ aa=aa+"0"; ii=ii+"0"; }// double mm=formatTosepara2(Double.valueOf(aa));// int mm+=Integer.parseInt(aa)*j; //String.valueOf(Integer.parseInt(aa)*(j+1)) datay= formatTosepara2(Double.valueOf(Integer.parseInt(aa)*(j+1)));// LogUtil2.log("ydate---+++"+datay+"---"+ii); //获取文字宽高 int[] textSize = getTextSize(datay,textPaint); //计算画文字的坐标偏移量 int textX = yTextSurplus/2 + textSize[0]/2; int textY = textSize[1]/2; //画y轴文字 textPaint.setColor(y_text_color); if (j==0){ canvas.drawText("0",oX-textX,oY,textPaint); } canvas.drawText(datay,oX-textX,oY-yCoordinates[j]+textY,textPaint); } LogUtil2.log("ydate---+++"+yData.toString()); } public String formatTosepara2(double data) { int length = String.valueOf(data).split("\\.")[0].length(); if (length < 4) { return String.format("%.2f", data); } DecimalFormat df = new DecimalFormat("##,###"); return df.format(data); } private void initAnims() { anims = new Anim[xpCount];// switch (animType){// case Anim.ANIM_TRANSLATE:// for (int i=0;i<xpCount;i++){// float dataX = oX+xCoordinates[i];// float dataY = oY-yData[i]/yMax*yCoordinates[yCoordinates.length-1];// Anim anim = new Anim(dataX,dataY,dataX,oY);// anim.setAnimation(new TranslateAnim());// anim.setVelocity(interval*2);// anims[i] = anim;// }// break;// case Anim.ANIM_ALPHA:// for (int i=0;i<xpCount;i++){// float dataX = oX+xCoordinates[i];// float dataY = oY-yData[i]/yMax*yCoordinates[yCoordinates.length-1];// Anim anim = new Anim(dataX,dataY,dataX,dataY);// anim.setAnimation(new AlphaAnim());// anim.setAlpha(0);// anim.setVelocity(interval * 3/2);// anims[i] = anim;// }// break;// default:// for (int i=0;i<xpCount;i++){// float dataX = oX+xCoordinates[i];// float dataY = oY-yData[i]/yMax*yCoordinates[yCoordinates.length-1];// Anim anim = new Anim(dataX,dataY,dataX,dataY);// anim.setAnimation(new TranslateAnim());// anim.setVelocity(interval);// anims[i] = anim;// } for (int i=0;i<xpCount;i++){ float dataX = oX+xCoordinates[i]; LogUtil2.log("yData----------dataX"+oX+xCoordinates[i]); LogUtil2.log("yData----------yData"+yData.length); LogUtil2.log("yData----------xpCount"+xpCount); LogUtil2.log("yData----------yCoordinates"+yCoordinates.length); //平均分成4份 Double mMaxDi = DoubleUtils.getLargerInterger(yMax, 7); //设置Y轴分值 float total=0;// float total= (float) new BigDecimal((7) * mMaxDi).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue(); LogUtil2.log("最大值--"+yMax); int att=(int) Math.floor(yMax); String mBigst=String.valueOf(att);// String mBigst=String.valueOf((int) Math.floor(yMax)); LogUtil2.log("最大值--"+yMax+"---"+mBigst);// String mBigst=String.valueOf(yMax).substring(0, String.valueOf(yMax).indexOf(".")); int maxLength=mBigst.length(); int baseMax= att+1; if (maxLength>=2){ baseMax= Integer.valueOf(mBigst.substring(0, 2))+1; } boolean isBreak=false; String aa="";//间隔值 String ii="";//y轴最大 int margCount=0;//分多少份，动态设置 for (int j=baseMax;j<baseMax+100;j++){ for (int a=100;a>0;a--){ if (j%a==0&&j/a<=6&&j/a>=4){ margCount=j/a; aa=String.valueOf(a); ii=String.valueOf(j); isBreak=true; break; } } if (isBreak) break; } for (int y=0;y<maxLength-2;y++){ aa=aa+"0"; ii=ii+"0";// total= Float.parseFloat(String.valueOf(baseMax)+"0"); } LogUtil2.log("total"+total); total= Float.parseFloat(ii); LogUtil2.log("aa--"+aa+"--total"+total); float dataY = oY-yData[i]/total*yCoordinates[yCoordinates.length-1]; LogUtil2.log("yData----------dataY"+dataY); Anim anim = new Anim(dataX,dataY,dataX,dataY); anim.setAnimation(new TranslateAnim()); anim.setVelocity(interval); anims[i] = anim; LogUtil2.log("yData----------anims"+anims); }// break;// } } protected float getYMax(){ if (yData == null || yData.length == 0){ yData = new float[ypCount]; } float max =0; for (int i=0; i<yData.length; i++){ if (max < yData[i]){ max = yData[i]; } } return max; } protected int[] getTextSize(String str,Paint paint){ //计算文字所在矩形，可以得到宽高 Rect rect = new Rect(); paint.getTextBounds(str, 0, str.length(), rect); int w = rect.width(); int h = rect.height(); return new int[]{w,h}; } public void setChartYdateData(ChartData chartData) { if (chartData == null){ throw new NullPointerException("折线图数据不能为空!"); } this.xData = chartData.getXdata(); this.yData = chartData.getYdata(); this.xpCount = getFinalValue(this.xpCount,chartData.getXpCount()); this.ypCount = getFinalValue(this.ypCount,chartData.getYpCount()); this.coordinates_color = getFinalValue(this.coordinates_color,chartData.getCoordinatesColor()); this.x_text_size = getFinalValue(this.x_text_size,chartData.getxTextSize()); this.y_text_size = getFinalValue(this.y_text_size,chartData.getyTextSize()); this.x_text_color = getFinalValue(this.x_text_color,chartData.getxTextColor()); this.y_text_color = getFinalValue(this.y_text_color,chartData.getyTextColor()); this.interval = getFinalValue((int) this.interval,chartData.getInterval());// this.animType = chartData.getAnimType() != -2 ? chartData.getAnimType()// : this.animType; this.yMax = chartData.getyMax() != 0f ? chartData.getyMax() : this.yMax; } protected int getFinalValue(int old,int news){ old = news != 0 ? news : old; return old; } private Runnable animator = new Runnable() { @Override public void run() { LogUtil2.log("yData----------anims循环"+anims); LogUtil2.log("yData----------anims长多"+anims.length); for(Anim a : anims){ LogUtil2.log("yData----------anims循环2"+a.isOver()); if(!a.isOver()){ a.refresh(); postDelayed(this, interval); invalidate(); return; } } } }; public void update(ChartData chartData){ yMax = 0; setChartYdateData(chartData); isAnim = true; invalidate(); } }3.布局 activity_family_status嵌套在Scrollowview中
<android.support.v4.widget.NestedScrollView android:id="@+id/scrollowview" android:layout_width="match_parent" android:layout_height="wrap_content" android:fillViewport="true" android:layout_marginBottom="@dimen/lay_10" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <com.broker.liming.widget.HistogramRound android:id="@+id/histogramchart" android:layout_width="@dimen/lay_320" android:layout_height="220dp" android:layout_marginLeft="@dimen/lay_12" chart:hCoordinatesColor="@color/text_999999" chart:hxTextColor="@color/color_6a6a6a" chart:hyTextColor="@color/color_1FA6FB" /> <LinearLayout/><android.support.v4.widget.NestedScrollView/>4.运用FamilyStatusActivity
package com.broker.liming.activity; import android.content.Context;import android.content.Intent; import android.support.annotation.RequiresApi;import android.support.v4.widget.NestedScrollView;import android.support.v7.widget.LinearLayoutManager;import com.broker.liming.utils.ArithUtil;import com.broker.liming.utils.BarUtils;import com.broker.liming.utils.GsonUtils;import com.broker.liming.utils.LogUtil2;import com.broker.liming.utils.UIHelper;import com.broker.liming.widget.HistogramData;import com.broker.liming.widget.HistogramRound;import com.broker.liming.widget.TitleBar; import org.json.JSONException; import java.text.DecimalFormat;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Arrays;import java.util.Date;import java.util.List; import butterknife.BindView; import static com.sobot.chat.utils.ScreenUtils.dip2px;import static com.sobot.chat.utils.ScreenUtils.px2dip; public class FamilyStatusActivity extends BaseActivity{ @BindView(R.id.histogramchart) HistogramRound histogramChart; @BindView(R.id.scrollowview) NestedScrollView scrollowview; private FamilyStatusAdapter adapter; private FamilyStatusRateAdapter rateAdapter; private HistogramData histogramData; //柱状图// @BindView(R.id.my_single_chart_view)// SingleView mMySingleChartView; @BindView(R.id.rl_single) RelativeLayout rlSingle; private List<Float> singlelist; private LinearLayout llSingle; private double mMax = 44; private List<FamilyPremiumArrayBean> listData = new ArrayList<>(); private String monthBack; float[] ydata = new float[12]; private String[] xdata= new String[12] ; private String[] xdataShow= new String[12] ;//仅为显示 private boolean isScrollow=true; private boolean isFresh=false; int margCount=0;//共分多少份 private LinearLayout line; private String name; public static void actionStart(Context context, String familyUuid,String names) { Intent intent = new Intent(context, FamilyStatusActivity.class); intent.putExtra("familyUuid", familyUuid); intent.putExtra("name",names); context.startActivity(intent); } @Override protected void initTitleBar() { TitleBar titleBar = (TitleBar) findViewById(R.id.title_bar); assert titleBar != null; titleBar.setLeftBackground(R.mipmap.order_back); titleBar.setTitle(name+"的家庭数据分析"); titleBar.setTitleColor(R.color.text_000000); titleBar.setTitleBarBg(getResources().getColor(R.color.white)); titleBar.setLeftClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finish(); } }); } @Override protected int getContentView() { return R.layout.activity_family_status; } @Override protected boolean initBundle(Bundle bundle) { } @Override public void initData() { super.initData(); } @Override protected void onResume() { super.onResume(); getPieDate(familyUuid); } public void getHomeData() { try { UserBean query = UserBeanDao.query(); requestServerPostForm(false, 100, HttpParams.getFamilyStatus(query, familyUuid)); } catch (JSONException e) { e.printStackTrace(); } } @Override public void initView() { xdata=new String[]{"1","2","3","4","5","6","7","8","9","10","11","12"}; xdataShow=new String[]{"01","02","03","04","05","06","07","08","09","10","11","12"}; initSingle(); scrollowview.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { LogUtil2.log("onDraw--getX---isScrollow" +isScrollow); float x=0; float y=0; switch (event.getAction()) { case MotionEvent.ACTION_DOWN: x = event.getX(); y = event.getY(); LogUtil2.log("onDraw--getX---down" + event.getX() + "---" + y); break; case MotionEvent.ACTION_MOVE: LogUtil2.log("onDraw--getX---move:" + event.getX() + "---");// isFresh=true; //在此刷新柱状图，防止多次刷新，多次重绘 if (isScrollow){ rlSingle.removeView(llSingle); rlSingle.removeView(line); histogramChart.setPublicRefresh();// histogramChart.isScrollow(isFresh); isScrollow=false; } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP:// //允许ScrollView截断点击事件，ScrollView可滑动 LogUtil2.log("onDraw--getX---up" + event.getX() + "mLastWownY:" + event.getY()+"x差值："+Math.abs(ArithUtil.sub(event.getX(), x))+"--y差值："+ Math.abs(ArithUtil.sub(event.getY(), y)) ); //抬起坐标减去放下坐标绝对值小于20代表点击，否则代表滑动 break; } return false; } }); changeStatusBarTextColor(true); BarUtils.setColorNoTranslucent(this, getResources().getColor(R.color.white)); } private void initSingle(){ rlSingle = (RelativeLayout) findViewById(R.id.rl_single); singlelist = new ArrayList<>(); rlSingle.removeView(llSingle); rlSingle.removeView(line); histogramChart.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { LogUtil2.log("onDraw--getX---弹框的长按事件:" + isScrollow); return false; } }); histogramChart.setListener(new HistogramRound.getNumberListener() { @Override public void getNumber(int index, int height, int left,int selectorHeight,int ox) {// rlSingle.removeAllViews(); LogUtil2.log("onDraw--getX---弹框:" + isScrollow); isScrollow=true;// if(!isFresh){ rlSingle.removeView(llSingle); rlSingle.removeView(line); line= (LinearLayout) LayoutInflater.from(FamilyStatusActivity.this).inflate(R.layout.layout_dash_line, null); // TextView view=new TextView(mContext);// view.setBackground(mContext.getResources().getDrawable(R.drawable.shape_dash_line)); RelativeLayout.LayoutParams viewParam=new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);viewParam. topMargin=height-selectorHeight; viewParam.topMargin=selectorHeight-5; viewParam.leftMargin=dip2px(mContext,40); viewParam.rightMargin=dip2px(mContext,30); line.setLayoutParams(viewParam); rlSingle.addView(line); llSingle = (LinearLayout) LayoutInflater.from(FamilyStatusActivity.this).inflate(R.layout.layout_pro_expense, null); LinearLayout ll_back=(LinearLayout)llSingle.findViewById(R.id.ll_back); TextView tvMoney = (TextView) llSingle.findViewById(R.id.tv_month); TextView tv_money=(TextView) llSingle.findViewById(R.id.tv_money); if (singlelist!=null&&singlelist.size()>0){ tv_money.setText(formatTosepara2(singlelist.get(index))+""); }else { tv_money.setText("0"); } String[] strNow = new SimpleDateFormat("yyyy-MM-dd").format(new Date()).toString().split("-"); String year = strNow[0]; tvMoney.setText(year+"-"+xdataShow[index]); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT); LogUtil2.log("setSelect--callback--"+height+"--left---"+left+"---"+selectorHeight+"弹框高--"+dip2px(mContext,60)+"--差值--"+(height-(height-selectorHeight)-dip2px(mContext,60))); LogUtil2.log("----宽-----+++"+params.width); LogUtil2.log("setSelect--转换"+px2dip(mContext,height)+"--left---"+px2dip(mContext,left)+"---"+dip2px(mContext,selectorHeight)); int topmargin=0; int leftmargin=0; LogUtil2.log("setSelect--差距"+px2dip(mContext,height-selectorHeight)); if (index+1>6){ if (height-(height-selectorHeight)-dip2px(mContext,60)-dip2px(mContext,5)>0){ ll_back.setBackground(mContext.getResources().getDrawable(R.mipmap.right_bottom)); topmargin=height-(height-selectorHeight)-dip2px(mContext,60)-dip2px(mContext,5); }else { topmargin= height-(height-selectorHeight)+dip2px(mContext,5); ll_back.setBackground(mContext.getResources().getDrawable(R.mipmap.right_top)); }// leftmargin=left-dip2px(mContext,150)+dip2px(mContext,40); }else { if (height-(height-selectorHeight)-dip2px(mContext,60)-dip2px(mContext,5)>0){ ll_back.setBackground(mContext.getResources().getDrawable(R.mipmap.left_bottom)); topmargin=height-(height-selectorHeight)-dip2px(mContext,60)-dip2px(mContext,5); }else { ll_back.setBackground(mContext.getResources().getDrawable(R.mipmap.left_top)); topmargin=height-(height-selectorHeight)+dip2px(mContext,5); } leftmargin=left; } params.leftMargin = leftmargin; //相当于总布局的上方，需要减去家庭保费和保费距离 params.topMargin=topmargin;// LogUtil2.log("setSelect--callback--"+histogramChart.getHeight()+"---"+selectorHeight+"---left"+ params.topMargin);// if (x - 100 < 0) {// params.leftMargin = 0;// } else if (x - 100 > relativeLayout.getWidth() - llSingle.getMeasuredWidth()) {// params.leftMargin = relativeLayout.getWidth() - llSingle.getMeasuredWidth();// } llSingle.setLayoutParams(params); rlSingle.addView(llSingle);// } } }); } private void changeStatusBarTextColor(boolean isBlack) { if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) { if (isBlack) { getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);//设置状态栏黑色字体 }else { getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);//恢复状态栏白色字体 } } } private void setDate(FamilyYearCheakBean yearCheakBean) { if (yearCheakBean != null) { if (yearCheakBean.familyPremiumTotal != null && !yearCheakBean.familyPremiumTotal.equals("")) { tv_total_money.setText("合计年缴"+formatTosepara(Double.valueOf(String.valueOf(yearCheakBean.familyPremiumTotal))) + "元"); }else { tv_total_money.setText("合计年缴0.00元"); } String[] strNow = new SimpleDateFormat("yyyy-MM-dd").format(new Date()).toString().split("-"); Integer year = Integer.parseInt(strNow[0]); Integer month = Integer.parseInt(strNow[1]); listData = yearCheakBean.familyPremiumArray; List<Double> list = new ArrayList<>(); ArrayList<DotVo> temp = new ArrayList(); for (int i = 0; i < listData.size(); i++) { FamilyPremiumArrayBean bean = listData.get(i); String yearback = bean.MONTH.substring(0, bean.MONTH.indexOf("-")); monthBack = bean.MONTH.substring(bean.MONTH.lastIndexOf("-") + 1);// mXdots[i] = yearback + "年\n" + monthBack + "月"; list.add(Double.valueOf(bean.premium)); double premium = 0; if (bean.premium != null && !bean.premium.equals("")) { premium = Double.valueOf(bean.premium); list.add(Double.valueOf(bean.premium)); singlelist.add(Float.valueOf(bean.premium)); ydata[i]=Float.valueOf(bean.premium); } DotVo tempDotVo = new DotVo(monthBack, premium); temp.add(tempDotVo); } Double[] toBeStored = list.toArray(new Double[list.size()]); mMax = checkMax(toBeStored); } //向下取整 int att=(int) Math.floor(mMax); String mBigst=String.valueOf(att); int maxLength=mBigst.length(); int baseMax= att+1; if (maxLength>=2){ baseMax= Integer.valueOf(mBigst.substring(0, 2))+1; } boolean isBreak=false; for (int i=baseMax;i<baseMax+100;i++){ for (int a=100;a>0;a--){ if (i%a==0&&i/a<=6&&i/a>=4){ margCount=i/a; isBreak=true; break; } } if (isBreak) break; } for (int i=0;i<maxLength-2;i++){ } LogUtil2.log("ydata---设置数据"+ydata.toString()+"--最大分数--"+margCount); histogramData = HistogramData.builder() .setXdata(xdata) .setYdata(ydata) .setYpCount(margCount)// .setAnimType(Anim.ANIM_ALPHA) .build(); histogramChart.setChartYdateData(histogramData); histogramChart.update(histogramData); } public double checkMax(Double[] args) { double max = 0; for (int i = 0; i < args.length; i++) { if (args[i] > max) { max = args[i]; } } return max; } @Override protected void onSuccess(String response, int id) { super.onSuccess(response, id); switch (id){ case 200: yearCheakBean= GsonUtils.toObject(response,FamilyYearCheakBean.class); setDate(yearCheakBean); break; } } public String formatTosepara(double data) { int length = String.valueOf(data).split("\\.")[0].length(); if (length < 4) { return String.format("%.2f", data); } DecimalFormat df = new DecimalFormat("#,####.00"); return df.format(data); } public String formatTosepara2(double data) { int length = String.valueOf(data).split("\\.")[0].length(); if (length < 4) { return String.format("%.2f", data); } DecimalFormat df = new DecimalFormat("##,###"); return df.format(data); } }5.HistogramData
package com.broker.liming.widget; import com.broker.liming.bean.ChartData; public class HistogramData extends ChartData { private int[] rectColor; private int rectTextColor; private int rectTextSize; private HistogramData(Builder builder) { setXdata(builder.xdata); setYdata(builder.ydata); setXpCount(builder.xpCount); setYpCount(builder.ypCount); setCoordinatesColor(builder.coordinatesColor); setxTextSize(builder.xTextSize); setyTextSize(builder.yTextSize); setxTextColor(builder.xTextColor); setyTextColor(builder.yTextColor); setyMax(builder.yMax); setInterval(builder.interval); setAnimType(builder.animType); setRectColor(builder.rectColor); setRectTextColor(builder.rectTextColor); setRectTextSize(builder.rectTextSize); } public static Builder builder() { return new Builder(); } public int[] getRectColor() { return rectColor; } public void setRectColor(int[] rectColor) { this.rectColor = rectColor; } public int getRectTextColor() { return rectTextColor; } public void setRectTextColor(int rectTextColor) { this.rectTextColor = rectTextColor; } public int getRectTextSize() { return rectTextSize; } public void setRectTextSize(int rectTextSize) { this.rectTextSize = rectTextSize; } public static final class Builder{ private int rectTextSize; private int rectTextColor; private int[] rectColor; private int animType; private int interval; private int yMax; private int yTextColor; private int xTextColor; private int yTextSize; private int xTextSize; private int coordinatesColor; private int ypCount; private int xpCount; private float[] ydata; private String[] xdata; private Builder(){} public Builder setRectTextSize(int val) { rectTextSize = val; return this; } public Builder setRectTextColor(int val) { rectTextColor = val; return this; } public Builder setRectColor(int[] val) { rectColor = val; return this; } public Builder setAnimType(int val) { animType = val; return this; } public Builder setInterval(int val) { interval = val; return this; } public Builder setYMax(int val) { yMax = val; return this; } public Builder setYTextColor(int val) { yTextColor = val; return this; } public Builder setXTextColor(int val) { xTextColor = val; return this; } public Builder setYTextSize(int val) { yTextSize = val; return this; } public Builder setXTextSize(int val) { xTextSize = val; return this; } public Builder setCoordinatesColor(int val) { coordinatesColor = val; return this; } public Builder setYpCount(int val) { ypCount = val; return this; } public Builder setXpCount(int val) { xpCount = val; return this; } public Builder setYdata(float[] val) { ydata = val; return this; } public Builder setXdata(String[] val) { xdata = val; return this; } public HistogramData build() { return new HistogramData(this); } }}6.ChartData
package com.broker.liming.bean; public class ChartData { protected String[] xdata; protected float[] ydata; protected int xpCount; protected int ypCount; protected int coordinatesColor; protected int xTextSize; protected int yTextSize; protected int xTextColor; protected int yTextColor; protected int yMax; protected int interval; protected int animType = -2; protected ChartData(){} public String[] getXdata() { return xdata; } public void setXdata(String[] xdata) { this.xdata = xdata; } public float[] getYdata() { return ydata; } public void setYdata(float[] ydata) { this.ydata = ydata; } public int getXpCount() { return xpCount; } public void setXpCount(int xpCount) { this.xpCount = xpCount; } public int getYpCount() { return ypCount; } public void setYpCount(int ypCount) { this.ypCount = ypCount; } public int getCoordinatesColor() { return coordinatesColor; } public void setCoordinatesColor(int coordinatesColor) { this.coordinatesColor = coordinatesColor; } public int getxTextSize() { return xTextSize; } public void setxTextSize(int xTextSize) { this.xTextSize = xTextSize; } public int getyTextSize() { return yTextSize; } public void setyTextSize(int yTextSize) { this.yTextSize = yTextSize; } public int getxTextColor() { return xTextColor; } public void setxTextColor(int xTextColor) { this.xTextColor = xTextColor; } public int getyTextColor() { return yTextColor; } public void setyTextColor(int yTextColor) { this.yTextColor = yTextColor; } public int getyMax() { return yMax; } public void setyMax(int yMax) { this.yMax = yMax; } public int getInterval() { return interval; } public void setInterval(int interval) { this.interval = interval; } public int getAnimType() { return animType; } public void setAnimType(int animType) { this.animType = animType; }}以上是“Android如何自定义圆角柱状图”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注编程网行业资讯频道！
