android Dialog 宽是否占满

WindowManager m = getWindowManager();
Display d = m.getDefaultDisplay();  //为获取屏幕宽、高
android.view.WindowManager.LayoutParams p = dialog.getWindow().getAttributes();  //获取对话框当前的参数值
p.height = (int) (d.getHeight() );   //高度设置为屏幕的
p.width = (int) (d.getWidth());    //宽度设置为屏幕的
dialog.getWindow().setAttributes(p);     //设置生效 

这样设置并没有作用。

InfoDialog infoDialog = new InfoDialog(context, R.style.ResultErrDialog);

WindowManager.LayoutParams lp = infoDialog.getWindow().getAttributes();

infoDialog.getWindow().setGravity(Gravity.BOTTOM);

Window win = infoDialog.getWindow();

win.getDecorView().setPadding(0, 0, 0, 0);

lp.width = WindowManager.LayoutParams.FILL_PARENT;

lp.height = WindowManager.LayoutParams.WRAP_CONTENT;

win.setAttributes(lp);

infoDialog.show();

这样Dialog 跟屏幕一样的宽

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