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package com.example.carlos.myapplication;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Rect;

import android.graphics.RectF;

import android.util.AttributeSet;

import android.view.View;

/**

* Created by carlos on 2015/10/24.

public class CustomView extends View {

private Paint mPaintBackCircle;

private Paint mPaintFrontCircle;

private Paint mPaintText;

private float mStrokeWith =50;

private float mHalfStrokeWith = mStrokeWith/2;

private float mX = 200 + mHalfStrokeWith;

private float mY = 200 + mHalfStrokeWith;

private float mRadius = 200;

private RectF mRectF;

private int mProgess;

public CustomView(Context context) {

super(context);

init();

}

public CustomView(Context context, AttributeSet attrs) {

super(context, attrs);

init();

}

public CustomView(Context context, AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

init();

}

private void init(){

mPaintBackCircle = new Paint();

mPaintBackCircle.setColor(Color.BLUE);

mPaintBackCircle.setAntiAlias(true);

mPaintBackCircle.setStyle(Paint.Style.STROKE);

mPaintBackCircle.setStrokeWidth(mStrokeWith);

mPaintFrontCircle = new Paint();

mPaintFrontCircle.setColor(Color.YELLOW);

mPaintFrontCircle.setAntiAlias(true);

mPaintFrontCircle.setStyle(Paint.Style.STROKE);

mPaintFrontCircle.setStrokeWidth(mStrokeWith);

mPaintText = new Paint();

mPaintText.setColor(Color.RED);

mPaintText.setAntiAlias(true);

mPaintText.setTextSize(50);

mPaintText.setTextAlign(Paint.Align.CENTER);

mRectF = new RectF(mHalfStrokeWith,mHalfStrokeWith,mRadius*2 + mHalfStrokeWith,mRadius*2 + mHalfStrokeWith);

mProgess =75;

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

canvas.drawCircle(mX, mY, mRadius, mPaintBackCircle);

canvas.drawArc(mRectF,0,270,false,mPaintFrontCircle);

canvas.drawText(mProgess+"%",mX,mY,mPaintText);

}

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