红包打开创建领取的样式逻辑构建

common/src/main/java/com/yunbao/common/views/weight/CircleProgress.java

@@ -0,0 +1,73 @@
+package com.yunbao.common.views.weight;
+
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class CircleProgress extends View {
+    private Paint mPaint;
+    private RectF mRectF;
+    private int mCurrent = 1, mMax = 100;
+    //圆弧（也可以说是圆环）的宽度
+    private float mArcWidth =8;
+    //控件的宽度
+    private float mWidth;
+
+    public CircleProgress(Context context) {
+        this(context, null);
+    }
+
+    public CircleProgress(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public CircleProgress(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        mPaint = new Paint();
+        mPaint.setAntiAlias(true);
+        mRectF = new RectF();
+    }
+
+    public void setCurrent(int mCurrent) {
+        this.mCurrent = mCurrent;
+        invalidate();
+    }
+
+    public void setMax(int mMax) {
+        this.mMax = mMax;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        //getMeasuredWidth获取的是view的原始大小，也就是xml中配置或者代码中设置的大小
+        //getWidth获取的是view最终显示的大小，这个大小不一定等于原始大小
+        mWidth = getMeasuredWidth();
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        mPaint.setStyle(Paint.Style.STROKE);
+        //设置圆弧的宽度（圆环的宽度）
+        mPaint.setStrokeWidth(mArcWidth);
+        mPaint.setColor(Color.parseColor("#FF98A2"));
+        //大圆的半径
+        float bigCircleRadius = mWidth / 2;
+        //小圆的半径
+        float smallCircleRadius = bigCircleRadius - mArcWidth;
+        //绘制小圆
+        canvas.drawCircle(bigCircleRadius, bigCircleRadius, smallCircleRadius, mPaint);
+        mPaint.setColor(Color.parseColor("#FFF7CD"));
+        mRectF.set(mArcWidth, mArcWidth, mWidth - mArcWidth, mWidth - mArcWidth);
+        //绘制圆弧
+        canvas.drawArc(mRectF, -90, mCurrent * 360 / mMax, false, mPaint);
+        setBackgroundColor(Color.parseColor("#FD2D48"));
+    }
+
+}