亲们里面的线段颜色和节点图标都是可以自定义的。
在没给大家分享实例代码之前，先给大家展示下效果图：
main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/rl_parent" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:background="#ffffff" tools:context=".MainActivity" xmlns:app="http://schemas.android.com/apk/res/com.demo.demomutiprogress"> <com.demo.demomutiprogress.MutiProgress android:id="@+id/mp_1" android:layout_width="match_parent" android:layout_height="100dp" app:nodesNum="4" app:currNodeState="1" app:currNodeNO="2" app:nodeRadius="10dp" app:processingLineColor="#7B68EE" app:unprogressingDrawable="@drawable/ic_round_ddd" app:progressingDrawable="@drawable/ic_completed" app:progresFailDrawable="@drawable/ic_error" app:progresSuccDrawable="@drawable/ic_checked"/> <com.demo.demomutiprogress.MutiProgress android:id="@+id/mp_2" android:layout_below="@+id/mp_1" android:layout_marginTop="20dp" android:layout_width="match_parent" android:layout_height="30dp" app:nodesNum="10" app:currNodeState="1" app:currNodeNO="6" app:nodeRadius="6dp" app:processingLineColor="#7B68EE" app:progressingDrawable="@drawable/ic_completed" app:unprogressingDrawable="@drawable/ic_round_ddd" app:progresFailDrawable="@drawable/ic_error" app:progresSuccDrawable="@drawable/ic_checked"/> <com.demo.demomutiprogress.MutiProgress android:id="@+id/mp_3" android:layout_below="@+id/mp_2" android:layout_marginTop="20dp" android:layout_width="match_parent" android:layout_height="50dp" app:nodesNum="15" app:currNodeState="0" app:currNodeNO="10" app:nodeRadius="4dp" app:processingLineColor="#FF00FF" app:progressingDrawable="@drawable/ic_completed" app:unprogressingDrawable="@drawable/ic_round_ddd" app:progresFailDrawable="@drawable/ic_error" app:progresSuccDrawable="@drawable/ic_checked"/> </RelativeLayout>
attrs.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="MutiProgress"> <attr name="nodesNum" format="integer"/> <!-- 节点数量 --> <attr name="nodeRadius" format="dimension"/> <attr name="progressingDrawable" format="reference"></attr> <attr name="unprogressingDrawable" format="reference" /> <!-- 未完成的节点图标 --> <attr name="progresFailDrawable" format="reference" /> <attr name="progresSuccDrawable" format="reference" /> <attr name="processingLineColor" format="color"></attr> <attr name="currNodeNO" format="integer"></attr> <!-- 当前所到达的节点编号 0开始计算--> <attr name="currNodeState" format="integer"></attr> <!-- 当前所到达的节点状态，0：失败 1：成功 --> </declare-styleable> </resources>
MutiProgress.java
package com.demo.demomutiprogress; import java.util.ArrayList; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Point; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.util.AttributeSet; import android.util.Log; import android.view.View; /** * 多节点进度条自定义视图 * @author huqiang * */ public class MutiProgress extends View{ private int nodesNum ; //节点数量 private Drawable progressingDrawable; //进行中的图标 private Drawable unprogressingDrawable; private Drawable progresFailDrawable; //失败的节点 private Drawable progresSuccDrawable; //成功的节点 private int nodeRadius; //节点的半径 private int processingLineColor; //进度条的颜色 // private int progressLineHeight; //进度条的高度 private int currNodeNO; //当前进行到的节点编号。从0开始计算 private int currNodeState; //当前进行到的节点编号所对应的状态 0：失败 1：成功 // private int textSize; //字体大小 Context mContext; int mWidth,mHeight; private Paint mPaint; private Canvas mCanvas; private Bitmap mBitmap; //mCanvas绘制在这上面 private ArrayList<Node> nodes; private int DEFAULT_LINE_COLOR = Color.BLUE; public MutiProgress(Context context) { this(context,null); } public MutiProgress(Context context, AttributeSet attrs) { this(context,attrs,0); } public MutiProgress(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); mContext = context; TypedArray mTypedArray = context.obtainStyledAttributes(attrs,R.styleable.MutiProgress); nodesNum = mTypedArray.getInteger(R.styleable.MutiProgress_nodesNum, 1); //默认一个节点 nodeRadius = mTypedArray.getDimensionPixelSize(R.styleable.MutiProgress_nodeRadius, 10); //节点半径 progressingDrawable = mTypedArray.getDrawable(R.styleable.MutiProgress_progressingDrawable); unprogressingDrawable = mTypedArray.getDrawable(R.styleable.MutiProgress_unprogressingDrawable); progresFailDrawable = mTypedArray.getDrawable(R.styleable.MutiProgress_progresFailDrawable); progresSuccDrawable = mTypedArray.getDrawable(R.styleable.MutiProgress_progresSuccDrawable); processingLineColor = mTypedArray.getColor(R.styleable.MutiProgress_processingLineColor, DEFAULT_LINE_COLOR); currNodeState = mTypedArray.getInt(R.styleable.MutiProgress_currNodeState, 1); currNodeNO = mTypedArray.getInt(R.styleable.MutiProgress_currNodeNO, 1); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); mWidth = getMeasuredWidth(); mHeight = getMeasuredHeight(); mBitmap = Bitmap.createBitmap(mWidth, mHeight, Config.ARGB_8888); mPaint = new Paint(); mPaint.setColor(processingLineColor); mPaint.setAntiAlias(true); mPaint.setStrokeJoin(Paint.Join.ROUND); // 圆角 mPaint.setStrokeCap(Paint.Cap.ROUND); // 圆角 mCanvas = new Canvas(mBitmap); nodes = new ArrayList<MutiProgress.Node>(); float nodeWidth = ((float)mWidth)/(nodesNum-1); for(int i=0;i<nodesNum;i++) { Node node = new Node(); if(i==0) node.mPoint = new Point(((int)nodeWidth*i),mHeight/2-nodeRadius); else if(i==(nodesNum-1)) node.mPoint = new Point(((int)nodeWidth*i)-nodeRadius*2,mHeight/2-nodeRadius); else node.mPoint = new Point(((int)nodeWidth*i)-nodeRadius,mHeight/2-nodeRadius); if(currNodeNO == i) node.type = 1; //当前进度所到达的节点 else node.type = 0; //已完成 nodes.add(node); } } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); DrawProgerss(); Log.v("ondraw", "mBitmap="+mBitmap); if(mBitmap!=null) { canvas.drawBitmap(mBitmap, new Rect(0,0,mBitmap.getWidth(),mBitmap.getHeight()), new Rect(0,0,mBitmap.getWidth(),mBitmap.getHeight()), mPaint); } for(int i=0;i<nodes.size();i++) { Node node = nodes.get(i); Log.v("ondraw", node.mPoint.x +";y="+node.mPoint.y); if(i<currNodeNO) //已完成的进度节点 { progressingDrawable.setBounds(node.mPoint.x, node.mPoint.y , node.mPoint.x + nodeRadius*2,node.mPoint.y + nodeRadius*2); progressingDrawable.draw(canvas); } else if(i==currNodeNO) //当前所到达的进度节点（终点） { if(currNodeState == 1) //判断是成功还是失败 0 :失败 1：成功 { progresSuccDrawable.setBounds(node.mPoint.x, node.mPoint.y , node.mPoint.x + nodeRadius*2,node.mPoint.y + nodeRadius*2); progresSuccDrawable.draw(canvas); } else { progresFailDrawable.setBounds(node.mPoint.x, node.mPoint.y , node.mPoint.x + nodeRadius*2,node.mPoint.y + nodeRadius*2); progresFailDrawable.draw(canvas); } } else //未完成的进度节点 { unprogressingDrawable.setBounds(node.mPoint.x, node.mPoint.y , node.mPoint.x + nodeRadius*2,node.mPoint.y + nodeRadius*2); unprogressingDrawable.draw(canvas); } } } private void DrawProgerss() { //先画背景 Paint bgPaint = new Paint(); bgPaint.setColor(Color.parseColor("#f0f0f0")); mCanvas.drawRect(0, 0, mWidth, mHeight, bgPaint); //先画线段，线段的高度为nodeRadius/2 mPaint.setStrokeWidth(nodeRadius/2); //前半截线段 // mCanvas.drawLine(nodeRadius, mHeight/2, mWidth-nodeRadius, mHeight/2, mPaint); //线段2端去掉nodeRadius mCanvas.drawLine(nodeRadius, mHeight/2, nodes.get(currNodeNO).mPoint.x + nodeRadius, nodes.get(currNodeNO).mPoint.y + nodeRadius, mPaint); //线段2端去掉nodeRadius //后半截线段 mPaint.setColor(Color.parseColor("#dddddd")); mCanvas.drawLine(nodes.get(currNodeNO).mPoint.x +nodeRadius, nodes.get(currNodeNO).mPoint.y + nodeRadius, mWidth-nodeRadius, mHeight/2, mPaint); //线段2端去掉nodeRadius } class Node { Point mPoint; int type; //0:已完成 1:当前到达的进度节点 } }
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以上所述是小编给大家介绍的Android自定义多节点进度条显示的实现代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！