- 设置透明度(这是窗体本身的透明度,非背景)
- 1 WindowManager.LayoutParams lp=getWindow().getAttributes();
- 2 lp.alpha=0.3f;
- 3 getWindow().setAttributes(lp);
- alpha在0.0f到1.0f之间。1.0完全不透明,0.0f完全透明
- 设置黑暗度
- 1 WindowManager.LayoutParams lp=getWindow().getAttributes();
- 2 lp.dimAmount=0.5f;
- 3 getWindow().setAttributes(lp);
- 4 getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
- dimAmount在0.0f和1.0f之间,0.0f完全不暗,1.0f全暗
- 设置背景模糊
- 1 getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
- 2 WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
- 以上设置对dialog对话框同样有效
- //该片段来自于http://www.codesnippet.cn/detail/051220137770.html
来源: http://www.codesnippet.cn/detail/051220137770.html