java - Android darken background -

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does know how programmatically darken view's background alertdialog or navigationdrawer doing it? need background overlaps toolbar (1) , statusbar, icons statusbar should visible(2). in case should not dialog. example, had darken background around button or customview.

example image

i looking answer question long time, found solution.

i researched code "dialogplus" library , find out key point.

orhanobut/dialogplus

getwindow().getdecorview();

final layoutinflater inflater = (layoutinflater) getsystemservice(layout_inflater_service);         final view background = inflater.inflate(r.layout.frame, null);         final animation = animationutils.loadanimation(this, r.anim.in);         fab.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view view) {                 viewgroup decorview = (viewgroup) getwindow().getdecorview().findviewbyid(android.r.id.content);                 decorview.addview(background);                 background.startanimation(a);             }         });

background resoource file:

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical" android:layout_width="match_parent"     android:layout_height="match_parent">      <framelayout         android:layout_width="match_parent"         android:layout_height="match_parent"         android:background="@android:color/black"         android:alpha="0.5"></framelayout> </linearlayout>

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