我有一个嵌入在水平滚动条内的自定义视图。我注意到我的 ondraw 方法不断被调用。是因为水平滚动条吗?
这是我的 ondraw 函数:-
@Override
public void onDraw(Canvas canvas) {
Log.w(this.getClass().getName(),"onDraw of Balls called");
BallsOnDraw(canvas);
}
void BallsOnDraw(Canvas canvas)
{
canvas.drawLine(0, 240, 160, 0, mPaint);
canvas.drawLine(160, 0, 320, 240, mPaint);
TranslateAnimation mTrans = new TranslateAnimation(0, 320, 0,240);
mTrans.setDuration(6000);
SitoliaActivity.mBal.startAnimation(mTrans);
}