Android自定义带加载动画效果的环状进度条

概述最近闲来无事，自定义了一个环状进度条，话不多说直接上代码：publicclassCircleProgressViewextendsView{

最近闲来无事，自定义了一个环状进度条，话不多说直接上代码 ：

public class CircleProgressVIEw extends VIEw{  private Paint mCirPaint;  private Paint marcPaint;  private Paint mTextPaint;  private float radius=200;  private int textsize=60;  private int progress=68;  private int stokeWIDth=10;  private int circlecolor=color.GRAY;  private int arccolor=color.GREEN;  private int textcolor=color.BLACK;  private int speed=0;  public CircleProgressVIEw(Context context) {    super(context);  }  public CircleProgressVIEw(Context context,AttributeSet attrs,int defStyleAttr) {    super(context,attrs,defStyleAttr);  }  public CircleProgressVIEw(Context context,AttributeSet attrs) {    super(context,attrs);  }  public voID seTradius(float radius){    this.radius=radius;    invalIDate();  }  public voID setTextSize(int textsize){    this.textsize=textsize;    invalIDate();  }  public voID setProgress(int progress){    this.progress=progress;  }  public voID setStokewIDth(int stokeWIDth){    this.stokeWIDth=stokeWIDth;    invalIDate();  }  public voID setcolor(int circlecolor,int arccolor,int textcolor){    this.circlecolor=circlecolor;    this.arccolor=arccolor;    this.textcolor=textcolor;    invalIDate();  }  public voID setSpeed(int speed){    this.speed=speed;  }  private voID init() {    mCirPaint=new Paint();    mCirPaint.setcolor(circlecolor);    mCirPaint.setAntiAlias(true);    mCirPaint.setStyle(Paint.Style.stroke);    mCirPaint.setstrokeWIDth(stokeWIDth);    marcPaint=new Paint();    marcPaint.setcolor(arccolor);    marcPaint.setAntiAlias(true);    marcPaint.setStyle(Paint.Style.stroke);    marcPaint.setstrokeWIDth(stokeWIDth);    mTextPaint=new Paint();    mTextPaint.setcolor(textcolor);    mTextPaint.setTextSize(textsize);    mTextPaint.setAntiAlias(true);  }  @OverrIDe  protected voID onDraw(Canvas canvas) {    super.onDraw(canvas);    init();    float centerX=getWIDth()/2;    float centerY=getHeight()/2;    canvas.drawCircle(centerX,centerY,radius,mCirPaint);    canvas.drawArc(centerX-radius,centerY-radius,centerX+radius,centerY+radius,-90,progress*360/100,false,marcPaint);    canvas.drawText(progress+"%",centerX-(mTextPaint.measureText(progress+"%"))/2,centerY+textsize/2,mTextPaint);  }  @OverrIDe  protected voID onMeasure(int wIDthMeasureSpec,int heightmeasureSpec) {    super.onMeasure(wIDthMeasureSpec,heightmeasureSpec);    if (speed!=0){      startProgress();    }  }  public voID startProgress(){    final int preProgress=progress;    new CountDownTimer(preProgress * speed,speed) {      @OverrIDe      public voID onTick(long l) {        setProgress(preProgress-(int) (l/speed));        invalIDate();      }      @OverrIDe      public voID onFinish() {        setProgress(preProgress);        invalIDate();        this.cancel();      }    }.start();  }}

相关用法：
setProgress(progress);//设置进度
seTradius(300);//设置半径
setStokewIDth(60);//设置环宽
setTextSize(80);//设置文字进度大小
setcolor(color.GRAY,color.RED,color.BLUE);//设置颜色（环的颜色，进度条的颜色，文字进度的字体颜色）
setSpeed(20);//设置动画速度，这里的数值是每次进度加一所用时间，所以数值越小动画速度越快

测试代码：

  mCircleProgressVIEw= (CircleProgressVIEw) findVIEwByID(R.ID.circle_progress);    mCircleProgressVIEw.setProgress(progress);    mCircleProgressVIEw.seTradius(300);    mCircleProgressVIEw.setStokewIDth(60);    mCircleProgressVIEw.setTextSize(80);    mCircleProgressVIEw.setcolor(color.GRAY,color.BLUE);    mCircleProgressVIEw.setSpeed(20);

测试效果

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