[移动开发]apk实现圆弧进度动画

1.新建CircleAnimation.java类：

package com.example.viewpager_test;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.view.View;
import android.widget.RelativeLayout;
import android.os.Handler;

public class CircleAnimation extends RelativeLayout {
    private Context mContext;
    private ShadeView mShadeView;
    private FrontView mFrontView;
    private int mShadeColor = 0xffeeeeee;
    private  int mFrontColor = 0xff00ff00;
    private float mShadeLine = 5;
    private Paint.Style mShadeStyle = Paint.Style.STROKE;
    private RectF mRect = new RectF(10,10,160,160);
    private int mBeginAngle = 0;
    private int mEndAngle = 270;
    private int mDrawingAngle = 0;
    private int mSeq = 0;
    private int mRate = 2;

    public CircleAnimation(Context context) {
        super(context);
        mContext = c

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