“ sesu galf tnemucod hcnual 'snoitpOvaNhttps://developer.android.com/reference/android/content/Intent#FLAG_ACTIVITY_NEW_DOCUMENT which states: "The use of the activity attribute form of this, R.attr.documentLaunchMode, is preferred over the Intent flag described here. The attribute form allows the Activity to specify multiple document behavior for all launchers of the Activity whereas using this flag requires each Intent that launches the Activity to specify it." ”