變暗blog
WindowManager.LayoutParams lp=getWindow().getAttributes(); lp.alpha=0.3f; getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); getWindow().setAttributes(lp);
變爲原來的樣子get
WindowManager.LayoutParams lp=getWindow().getAttributes(); lp.alpha=1.0f; getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); getWindow().setAttributes(lp);