自定义view之进度条

//自定义view类
private Context context;
private int progress = 0;
private Paint paint;
private int drowable;
private boolean flag = false;
private int x;
private int color;
private int color1;
private int r;
private int wX;
private int max;

public MySrcView(Context context) {
    this(context, null);
}

public MySrcView(Context context, AttributeSet attrs) {
    this(context, attrs, -1);
}

public MySrcView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.context = context;
    this.paint = new Paint();
    this.paint.setStyle(Paint.Style.STROKE);
    this.paint.setAntiAlias(true);
    initProsecc(context, attrs);

}

public synchronized void setProcress(int progress) {
    if(progress<0){
        progress=0;
    }else if(progress>max){
        progress=max;
    }else{
        this.progress = progress;
    }
}

public int getMax() {
    return max;
}

private void initProsecc(Context mContext, AttributeSet attrs) {
    TypedArray typedArray = mContext.obtainStyledAttributes(attrs, R.styleable.MySrcView);
    color = typedArray.getColor(R.styleable.MySrcView_bgcorlor, Color.RED);
    color1 = typedArray.getColor(R.styleable.MySrcView_fgcolor, Color.GREEN);
    r = typedArray.getInt(R.styleable.MySrcView_r, 360);
    wX = typedArray.getInt(R.styleable.MySrcView_width, 10);
    max = typedArray.getInt(R.styleable.MySrcView_max, 100);
    drowable = typedArray.getInt(R.styleable.MySrcView_drowStyle,0);

}

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    int center = getWidth() / 2; // 圆心位置
    this.paint.setColor(color);
    this.paint.setStrokeWidth(wX);
    canvas.drawCircle(center, center, r, this.paint);
    // 绘制圆环
    this.paint.setColor(color1);
    if(drowable==0){
        this.paint.setStyle(Paint.Style.STROKE);
        flag=false;
    }else{
        this.paint.setStyle(Paint.Style.FILL);
        flag=true;
    }
    int top = (center - r);
    int bottom = (center + r);
    RectF oval = new RectF(top, top, bottom, bottom);
    canvas.drawArc(oval, 270, 360*progress/max, flag, paint);
}

//mainactivity内写入

private MySrcView progressView;
Handler handler = new Handler(){
    @Override
    public void handleMessage(Message msg) {
        super.handleMessage(msg);
        startActivity(new Intent(MainActivity.this,TwoActivity.class));
        handler.sendEmptyMessageDelayed(0,10000);
    }
};
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    progressView = (MySrcView) findViewById(R.id.MyCircleProgress);
    new ProgressAnimation().execute();
    handler.sendEmptyMessageDelayed(0,10000);
}
class ProgressAnimation extends AsyncTask<Void, Integer, Void> {
    @Override
    protected Void doInBackground(Void... params) {
        //进度值不断的变化
        for (int i = 0; i < progressView.getMax(); i++) {
            try {
                publishProgress(i);
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        return null;
    }

    @Override
    protected void onProgressUpdate(Integer... values) {
        //更新进度值
       // progressView.setProgress(values[0]);
        progressView.setProcress(values[0]);
        progressView.invalidate();
        super.onProgressUpdate(values);
    }
}

//attrs.xml内写入的

//mainactivity.xml写入的