activity设置成dialog后,再设定其显示位置和高宽
WindowManager m = getWindowManager(); Display d = m.getDefaultDisplay(); //为获取屏幕宽、高 LayoutParams p = getWindow().getAttributes(); //获取对话框当前的参数值 p.height = (int) (d.getHeight() * 1.0); //高度设置为屏幕的1.0 p.width = (int) (d.getWidth() * 0.7); //宽度设置为屏幕的0.8 p.alpha = 1.0f; //设置本身透明度 p.dimAmount = 0.0f; //设置黑暗度 getWindow().setAttributes(p); //设置生效 getWindow().setGravity(Gravity.RIGHT); //设置靠右对齐
宽高如要包裹内容
p.height = LayoutParams.WRAP_CONTENT; //高度设置为包裹