window

作者: zlzxm | 来源:发表于2018-12-22 16:39 被阅读0次

window.setBackgroundDrawable(ColorDrawable(0))

phoneWindow源码 :

private DecorView mDecor;

@Override

    public final void setBackgroundDrawable(Drawable drawable) {

        if (drawable != mBackgroundDrawable || mBackgroundResource != 0) {

            mBackgroundResource = 0;

            mBackgroundDrawable = drawable;

            if (mDecor != null) {

                mDecor.setWindowBackground(drawable);

            }

        }

    }

:可知:

window.setBackgroundDrawable(ColorDrawable(0))

window.decorView.setBackgroundColor(Color.RED) 都是 改变decorview的背景色

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