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I have the next structure of XML file in my Fragment. I have an issue with RelativeLayout 3 (id=referralsContainer). It consist of textView (id=inviteText) + RecyclerView (id=rv_referrals). I need to show textView at the bottom of screen with any resolution. And after that textView must be RecyclerView with elements (when user will scroll down). I tried to do something like this in method, when all elements of recyclerview loaded, but recyclerview is replaced in different positions by Y axe from time to time, I can't understand how to correctly place that textview at the bottom of the scrren. And also ScrollView cuts several items of recyclerView. Does anybody can help with this? All positions in debugger looks right. Code+xml is below image. Thanks.
this.dataSourceListForAdapter.addAll(incomeListOfItemsFromServer);
recyclerView.setY(scrollView.getBottom() - textView.getHeight());
recyclerView.setY(coordinatorView.getBottom() - textView.getHeight());
adapter.notifyDataSetChanged();
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/invite_friends_swipe_refresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<RelativeLayout
android:id="@+id/invite_friends_content_part"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:visibility="visible">
<RelativeLayout
android:id="@+id/invite_friends_container"
android:layout_width="match_parent"
android:layout_height="190dp"
android:layout_alignParentTop="true"
android:background="@color/re_black_light_new">
<TextView
android:id="@+id/invite_friends_text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/invite_friends_button_container"
android:gravity="center"
android:paddingEnd="40dp"
android:paddingStart="40dp"
android:textColor="@color/white"
android:textSize="16sp"
tools:text="@string/friends_invite_message" />
<RelativeLayout
android:id="@+id/invite_friends_button_container"
android:layout_width="match_parent"
android:layout_height="60dp"
android:layout_alignParentBottom="true">
<View
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_alignParentTop="true"
android:layout_marginTop="2dp"
android:background="@drawable/combined_shape_white" />
<View
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignParentBottom="true"
android:background="@color/white" />
<android.support.v7.widget.CardView
android:id="@+id/invite_friends_button_invite"
android:layout_width="147dp"
android:layout_height="40dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center"
android:layout_marginTop="10dp"
card_view:cardBackgroundColor="@color/white"
card_view:cardCornerRadius="3dp"
card_view:cardElevation="2dp"
card_view:cardPreventCornerOverlap="false"
card_view:cardUseCompatPadding="true">
<TextView
android:id="@+id/invite_friends_button_invite_text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/yellow_button_selector"
android:clickable="true"
android:focusable="true"
android:fontFamily="sans-serif-medium"
android:gravity="center"
android:text="@string/friends_invite"
android:textAllCaps="true"
android:textColor="@color/re_black_light_new"
android:textSize="14sp" />
</android.support.v7.widget.CardView>
</RelativeLayout>
</RelativeLayout>
<TextView
android:id="@+id/copy_choice_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_container"
android:layout_centerHorizontal="true"
android:textSize="12sp"
android:text="@string/copy_link_text"
android:textColor="@color/re_gray_new" />
<RelativeLayout
android:id="@+id/invite_friends_referal_link_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/copy_choice_label"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="16dp"
android:background="@drawable/rectangle_gray">
<TextView
android:id="@+id/invite_friends_referal_link_text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:background="?attr/selectableItemBackground"
android:clickable="true"
android:focusable="true"
android:fontFamily="sans-serif-light"
android:gravity="center"
android:padding="7dp"
android:textColor="@color/re_black_light"
android:textSize="12sp" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/invite_friends_full_info_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_referal_link_button"
android:layout_marginTop="32dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="10dp"
android:layout_marginStart="24dp"
android:layout_toLeftOf="@+id/invite_friends_container_central"
android:gravity="center_vertical">
<TextView
android:id="@+id/invite_friends_text_friends"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-medium"
android:text="@string/friends_invite_friends"
android:textColor="@color/re_black_light_new"
android:textSize="12sp" />
<TextView
android:id="@+id/invite_friends_friends_count"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_text_friends"
android:layout_marginTop="4dp"
android:fontFamily="sans-serif-medium"
android:textColor="@color/re_black_light_new"
android:textSize="24sp"
tools:text="4" />
<View
android:id="@+id/invite_friends_divider_horizontal"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_below="@+id/invite_friends_friends_count"
android:layout_marginTop="8dp"
android:background="@drawable/dash_horizontal_gray"
android:layerType="software" />
<TextView
android:id="@+id/invite_friends_text_orders"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_below="@+id/invite_friends_divider_horizontal"
android:layout_marginTop="14dp"
android:fontFamily="sans-serif-medium"
android:text="@string/friends_invite_orders"
android:textColor="@color/re_black_light_new"
android:textSize="12sp" />
<TextView
android:id="@+id/invite_friends_orders_count"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_text_orders"
android:layout_marginTop="4dp"
android:fontFamily="sans-serif-medium"
android:textColor="@color/re_black_light_new"
android:textSize="24sp"
tools:text="32" />
</RelativeLayout>
<View
android:id="@+id/invite_friends_container_central"
android:layout_width="1dp"
android:layout_height="1dp"
android:layout_centerInParent="true"
android:background="@drawable/dotted_line"
android:layerType="software" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="10dp"
android:layout_toRightOf="@+id/invite_friends_container_central">
<TextView
android:id="@+id/invite_friends_income_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginStart="6dp"
android:fontFamily="sans-serif-medium"
android:text="@string/friends_invite_income"
android:textColor="@color/re_black_light_new"
android:textSize="12sp" />
<LinearLayout
android:id="@+id/invite_friends_income_container"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_income_text"
android:layout_marginTop="4dp"
android:orientation="horizontal">
<TextView
android:id="@+id/invite_friends_income_count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="6dp"
android:fontFamily="sans-serif-medium"
android:lines="1"
android:maxLines="1"
android:textColor="@color/re_black_light_new"
android:textSize="24sp"
tools:text="1488.77" />
<TextView
android:id="@+id/invite_friends_income_currency"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:fontFamily="sans-serif-medium"
android:lines="1"
android:maxLines="1"
android:textColor="@color/re_black_light_new"
android:textSize="12sp"
tools:text="руб." />
</LinearLayout>
<View
android:id="@+id/invite_friends_divider_horizontal_2"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_below="@+id/invite_friends_income_container"
android:layout_marginEnd="16dp"
android:layout_marginTop="8dp"
android:background="@drawable/dash_horizontal_gray"
android:layerType="software" />
<TextView
android:id="@+id/invite_friends_text_income_pending"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_divider_horizontal_2"
android:layout_marginStart="6dp"
android:layout_marginTop="14dp"
android:fontFamily="sans-serif-medium"
android:text="@string/friends_invite_income_pending"
android:textColor="@color/re_black_light"
android:textSize="12sp" />
<LinearLayout
android:id="@+id/invite_friends_text_income_pending_container"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/invite_friends_text_income_pending"
android:layout_marginStart="6dp"
android:layout_marginTop="4dp"
android:orientation="horizontal">
<TextView
android:id="@+id/invite_friends_text_income_pending_count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="sans-serif-medium"
android:textColor="@color/re_gray_new"
android:textSize="24sp"
tools:text="0" />
<TextView
android:id="@+id/invite_friends_text_income_pending_count_currency"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:fontFamily="sans-serif-medium"
android:lines="1"
android:maxLines="1"
android:textColor="@color/re_gray_new"
android:textSize="12sp"
tools:text="руб."/>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
</RelativeLayout>
<RelativeLayout
android:id="@+id/referralsContainer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/invite_friends_content_part"
android:visibility="gone"
android:orientation="vertical">
<TextView
android:id="@+id/inviteText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="30dp"
android:fontFamily="sans-serif-medium"
android:text="Вы уже пригласили:"
android:textColor="@color/re_black_light_new"
android:textSize="20sp"
android:textStyle="normal" />
<ImageView
android:id="@+id/scrollMore"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/inviteText"
android:layout_centerHorizontal="true"
android:layout_marginBottom="6dp"
android:layout_marginTop="6dp"
android:src="@drawable/ic_scroll_more" />
<android.support.v7.widget.RecyclerView
android:id="@+id/rv_referrals"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/scrollMore"
android:scrollbars="vertical" />
</RelativeLayout>
</RelativeLayout>
<LinearLayout
android:id="@+id/invite_friends_error_part"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:gravity="center"
android:orientation="vertical"
android:visibility="gone">
<ImageView
android:id="@+id/error_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="50dp"
android:layout_marginRight="50dp"
android:layout_marginTop="20dp"
android:scaleType="fitCenter"
android:src="@drawable/lost_connection_holder" />
<TextView
android:id="@+id/error_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/error_image"
android:layout_marginBottom="60dp"
android:layout_marginTop="10dp"
android:gravity="center_horizontal"
android:paddingLeft="20dp"
android:paddingRight="20dp"
android:text="@string/no_connection_message"
android:textColor="@color/black_tr_38"
android:textSize="19sp" />
</LinearLayout>
</RelativeLayout>
</ScrollView>
</android.support.v4.widget.SwipeRefreshLayout>
ScrollView is not purposed for sub-child layouts aligned to the bottom of screen as its direct child doesn't know where the bottom is. From your question is not clear how do you need (want) to scroll bottom part.
If it is ok to scroll by dragging bottom part (RelativeLayout 3) it is better to use BottomSheetBehaviour in Coordinatorlayout for this layout.
If not then just put RelativeLayout 3 under (below) SwipeRefreshLayout and handle ScrollView scrollChanged events to animate scrolling of bottom layout if you need or just show/hide this bottom layout.
Don't forget that on small resolutions layout aligned to the bottom will cover the content of ScrollView and user won't be able to scroll top layout.