Develop Reference

Last item in layout not appear

I am working on android app
and i have cart activity which have multi row of products
and then the total of cart and button to continue..
This layout have top and buttom bars and then Scrollview have linearLayout as child...
This child contain:
Recyclerview
Textboxes
Button
My problem is: I cant scroll to the last item in my layout (The Button) .
This is my xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<LinearLayout
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:layout_alignParentTop="true">
<ImageView
android:id="#+id/ProgressBar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="fitCenter"
android:src="#drawable/progress_rec"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ImageView
android:id="#+id/overview_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:src="#drawable/backgroudn"/>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:id="#+id/tt"
>
<LinearLayout
android:layout_width = "match_parent"
android:layout_height = "70dp"
android:elevation="12dp"
android:padding="8dp"
android:background="#drawable/white_action_bar"
android:id="#+id/first"
android:orientation="horizontal"
android:weightSum="1">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:elevation="12dp"
android:id="#+id/btnActionBar11"
android:drawableStart="#drawable/ic_arrow_back_black_24dp"
android:drawableLeft="#drawable/ic_arrow_back_black_24dp"
android:drawablePadding="8dp"
android:drawableTint="#color/colorPrimaryDark"
android:padding="8dp"
android:background="#android:color/transparent"
android:layout_weight="0.2" />
<TextView
android:layout_width = "0dp"
android:layout_height = "wrap_content"
android:gravity="center"
android:textSize="14sp"
android:padding="8dp"
android:text="#string/cart"
android:layout_marginTop="8dp"
android:id="#+id/tvActionBar"
android:textColor="#color/colorPrimaryDark"
android:layout_weight="0.5"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:id="#+id/btnActionBarEnd11"
android:padding="8dp"
android:drawableEnd="#drawable/ic_shopping_cart_black_24dp"
android:drawableRight="#drawable/ic_shopping_cart_black_24dp"
android:drawablePadding="8dp"
android:drawableTint="#color/colorPrimaryDark"
android:textColor="#color/colorPrimaryDark"
android:background="#android:color/transparent"
android:layout_weight="0.3"
android:textSize="12sp"
android:visibility="gone"/>
</LinearLayout>
<androidx.core.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fillViewport="true"
android:layout_below="#+id/first">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/no_data"
android:text="#string/no_data"
android:textSize="24sp"
android:textAlignment="center"
android:gravity="center"
android:textColor="#color/colorPrimary"
android:visibility="gone"/>
<ProgressBar
android:foregroundGravity="center"
android:id="#+id/progress"
android:layout_below="#+id/no_data"
android:layout_width="40dp"
android:layout_height="40dp"
android:background="#android:color/transparent"
android:layout_gravity="center"
android:visibility="gone" />
<androidx.recyclerview.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/cartContentList"
android:layoutAnimation="#anim/layout_animation"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="8dp"
android:weightSum="1"
android:id="#+id/totalLayout">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:weightSum="1"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.3"
android:text="#string/total"
android:textSize="#dimen/medium"
android:textColor="#color/colorPrimaryDark"
android:gravity="center"
/>
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.7"
android:text="#string/zero_dollar"
android:textSize="#dimen/medium"
android:textColor="#color/colorPrimaryDark"
android:gravity="center"
android:id="#+id/tvTotal"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="#drawable/round_button"
android:text="#string/continue_"
android:textColor="#color/white"
android:textSize="#dimen/medium"
android:layout_margin="8dp"
android:padding="8dp"
android:gravity="center"
android:id="#+id/btnContinue" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</androidx.core.widget.NestedScrollView>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginTop="8dp"
android:paddingTop="8dp"
android:id="#+id/any"
android:background="#drawable/white_menu_bar"
android:layout_alignParentBottom="true"
android:elevation="24dp">
<LinearLayout
android:layout_width = "match_parent"
android:layout_height = "40dp"
android:elevation="12dp"
android:padding="2dp"
android:id="#+id/end"
android:orientation="horizontal"
android:weightSum="1"
android:gravity="center_horizontal">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.25"
android:background="#android:color/transparent"
android:drawableTop="#drawable/home_1"
android:layout_margin="8dp"
android:gravity="center"
android:layout_gravity="center"
android:textColor="#color/colorPrimaryDark"
android:paddingEnd="15dp"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.25"
android:background="#android:color/transparent"
android:textColor="#color/colorPrimaryDark"
android:gravity="center"
android:layout_gravity="center"
android:id="#+id/btnMyOrder"
android:drawableTop="#drawable/my_orders_1"
android:layout_margin="8dp"
android:paddingEnd="15dp"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.25"
android:background="#android:color/transparent"
android:textColor="#color/colorPrimaryDark"
android:gravity="center"
android:layout_gravity="center"
android:drawableTop="#drawable/notifications_1"
android:layout_margin="8dp"
android:paddingEnd="18dp"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.25"
android:background="#android:color/transparent"
android:drawableTop="#drawable/side_menu_1"
android:layout_marginTop="8dp"
android:drawableTint="#color/colorPrimaryDark"
android:layout_gravity="center"
android:paddingEnd="15dp"/>
</LinearLayout>
<LinearLayout
android:layout_width = "match_parent"
android:layout_height = "20dp"
android:elevation="12dp"
android:id="#+id/end1"
android:orientation="horizontal"
android:weightSum="1"
android:gravity="center_horizontal">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:id="#+id/gr1Home1"
android:drawableTop="#drawable/component1"
android:background="#android:color/transparent"
android:layout_weight="0.25"
android:paddingTop="8dp"
android:drawablePadding="15dp"
android:visibility="visible"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:id="#+id/gr2Notification1"
android:drawableTop="#drawable/component1"
android:background="#android:color/transparent"
android:layout_weight="0.25"
android:padding="8dp"
android:drawablePadding="15dp"
android:visibility="invisible"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:id="#+id/gr3Message1"
android:drawableTop="#drawable/component1"
android:background="#android:color/transparent"
android:layout_weight="0.25"
android:padding="8dp"
android:drawablePadding="15dp"
android:visibility="invisible"/>
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:id="#+id/gr4Calender1"
android:drawableTop="#drawable/component1"
android:background="#android:color/transparent"
android:layout_weight="0.25"
android:padding="8dp"
android:drawablePadding="15dp"
android:visibility="invisible"/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
.

This is my Cart Activity XMl:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/cart_bg"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/cart_bg"
android:orientation="vertical">
<include
android:id="#+id/abl_main1"
layout="#layout/app_header_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<LinearLayout
android:id="#+id/ll_item_count"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/abl_main1"
android:orientation="horizontal">
<TextView
android:id="#+id/tv_item_count_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="#font/montserrat"
android:paddingLeft="10dp"
android:paddingTop="10dp"
android:paddingRight="5dp"
android:paddingBottom="10dp"
android:text="#string/my_cart"
android:textColor="#color/text_item"
android:textSize="#dimen/text_size_18"
android:textStyle="bold" />
<TextView
android:id="#+id/tv_item_count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="#font/montserrat"
android:paddingLeft="0dp"
android:paddingTop="10dp"
android:paddingRight="5dp"
android:paddingBottom="10dp"
android:text="#string/my_cart"
android:textColor="#color/gray_9E"
android:textSize="#dimen/text_size_12"
android:textStyle="normal" />
<TextView
android:id="#+id/tv_total"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:padding="10dp"
android:text="#string/total_caps"
android:textColor="#color/text_item"
android:textStyle="bold"
android:visibility="gone" />
</LinearLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#+id/ll_item_count">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="60dp"
android:visibility="visible">
<LinearLayout
android:id="#+id/ll_listing"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:visibility="visible">
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/rcv_cart"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="5dp"
android:background="#android:color/transparent"
android:clipToPadding="false"
android:orientation="vertical"
android:visibility="visible"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
<androidx.cardview.widget.CardView
style="#style/CardView.Light"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="#color/white"
app:cardCornerRadius="4dp">
<LinearLayout
android:id="#+id/ll_playable"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="10dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp"
android:visibility="gone">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:text="#string/cart_total"
android:textColor="#color/text_item"
android:textStyle="normal" />
<TextView
android:id="#+id/tv_cart_total"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:text=""
android:textColor="#color/text_item"
android:textStyle="normal" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:text="#string/total"
android:textColor="#color/text_item"
android:textStyle="bold" />
<TextView
android:id="#+id/tv_sub_total"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:text=""
android:textColor="#color/text_item"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp"
android:visibility="gone">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:text="#string/discount"
android:textColor="#color/text_item"
android:textStyle="normal" />
<TextView
android:id="#+id/tv_discount"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:text=""
android:textColor="#color/text_item"
android:textStyle="normal" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp"
android:visibility="gone">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:text="#string/dilivery"
android:textColor="#color/text_item"
android:textStyle="normal" />
<TextView
android:id="#+id/tv_delivery"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:text=""
android:textColor="#color/text_item"
android:textStyle="normal" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp"
android:visibility="gone">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:text="#string/total_payable"
android:textColor="#color/text_item"
android:textStyle="bold" />
<TextView
android:id="#+id/tv_total_payable"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
android:fontFamily="#font/montserrat"
android:gravity="right"
android:text=""
android:textColor="#color/text_item"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="5dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="#font/montserrat"
android:maxLines="2"
android:text="#string/tax_and_shipping_calculated"
android:textColor="#color/text_item"
android:textSize="#dimen/text_size_15"
android:textStyle="normal" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="vertical"
android:paddingTop="10dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="#dimen/margin5dp"
android:fontFamily="#font/montserrat"
android:text="#string/add_order_note"
android:textColor="#color/text_item" />
<EditText
android:id="#+id/ed_order_note"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/shape_rectangle_transperant_bg_app_color_border"
android:focusable="true"
android:focusableInTouchMode="true"
android:gravity="top|left"
android:hint="#string/how_can_we_help_you"
android:imeOptions="actionDone"
android:isScrollContainer="false"
android:lines="3"
android:maxLines="3"
android:overScrollMode="always"
android:padding="#dimen/margin5dp"
android:scrollbarStyle="insideInset"
android:scrollbars="vertical"
android:textColor="#color/text_item" />
</LinearLayout>
</LinearLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
</RelativeLayout>
</ScrollView>
<RelativeLayout
android:id="#+id/rr_empty_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#+id/ll_item_count"
android:layout_centerInParent="true"
android:background="#color/white"
android:visibility="gone">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:gravity="center_vertical"
android:orientation="vertical">
<LinearLayout
android:id="#+id/ll_backgorund_circle_cart"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_gravity="center_horizontal"
android:background="#drawable/circle_drawable"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:id="#+id/iv_background_icon_cart"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_gravity="center_horizontal"
android:src="#mipmap/iv_red_heart"
android:visibility="visible" />
</LinearLayout>
<TextView
android:id="#+id/tv_empty_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="#dimen/padding_10"
android:layout_marginTop="#dimen/text_size_20"
android:layout_marginRight="#dimen/padding_10"
android:fontFamily="#font/montserrat"
android:gravity="center"
android:text="#string/your_bag_is_empty"
android:textColor="#color/text_item"
android:textSize="20dp"
android:textStyle="bold"
android:visibility="visible" />
<TextView
android:id="#+id/tv_empty_sub_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="#dimen/padding_10"
android:layout_marginTop="#dimen/padding_10"
android:layout_marginRight="#dimen/padding_10"
android:layout_marginBottom="30dp"
android:fontFamily="#font/montserrat"
android:gravity="center"
android:text="#string/item_added_to_bag"
android:textColor="#color/gray_9E"
android:textSize="16dp"
android:textStyle="normal"
android:visibility="visible" />
<LinearLayout
android:id="#+id/ll_shopping_now"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:background="#drawable/shape_rectangle_transperant_bg_app_color_border_new"
android:gravity="center"
android:orientation="vertical"
android:paddingLeft="20dp"
android:paddingRight="20dp">
<TextView
android:id="#+id/tv_shopping_now"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/input_layout_password"
android:layout_alignParentStart="true"
android:layout_gravity="center_horizontal"
android:fontFamily="#font/montserrat"
android:gravity="center"
android:padding="#dimen/padding_10"
android:text="#string/shopping_now"
android:textColor="#color/black"
android:textSize="16dp" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<View
android:id="#+id/v_order_place"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_above="#+id/ll_place_order"
android:background="#color/light_gray" />
<LinearLayout
android:id="#+id/ll_place_order"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#color/white"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight=".5"
android:gravity="center"
android:orientation="vertical"
android:padding="5dp">
<TextView
android:id="#+id/tv_place_order_total"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fontFamily="#font/montserrat"
android:gravity="center"
android:text=""
android:textColor="#color/text_item"
android:textStyle="bold" />
</LinearLayout>
<com.wpa3.productshopify.util.RippleView
rv_centered="true"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".5"
app:rv_type="rectangle"
app:rv_zoom="true">
<TextView
android:id="#+id/tv_place_order"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_margin="5dp"
android:layout_weight=".5"
android:background="#drawable/shape_round_corner_rectangle"
android:fontFamily="#font/montserrat"
android:gravity="center"
android:padding="10dp"
android:text="#string/place_order"
android:textAllCaps="true"
android:textColor="#color/white"
android:textSize="15sp" />
</com.wpa3.productshopify.util.RippleView>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
Right now i'm busy so did not seen your XML but check my code snippet.
Hope this may help you

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/layoutCRC"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/base"
android:baselineAligned="false"
android:orientation="vertical"
android:fitsSystemWindows="true"
android:weightSum="1">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="12dp"
android:layout_marginTop="10dp"
android:layout_marginLeft="#dimen/layout_marginLeftPL"
android:layout_marginRight="#dimen/layout_marginRightPL"
android:layout_weight="0.23"
android:background="#drawable/layout_crc"
android:orientation="vertical"
android:weightSum="3">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="5dp"
android:layout_marginTop="5dp"
android:layout_weight="1.35"
android:gravity="center"
android:orientation="horizontal">
<com.fecredit.hostedkios.widgets.TextViewPlus
android:id="#+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:layout_marginTop="5dp"
android:layout_marginBottom="5dp"
android:text="#string/textOCredit"
android:textColor="#color/colortext_loan"
android:textSize="#dimen/textSize"
android:textStyle="bold"
app:font="#string/FtraBd" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.1"
android:orientation="vertical"
android:weightSum="2">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_vertical"
android:layout_marginLeft="20dp"
android:layout_weight="1.5"
android:gravity="center_vertical"
android:orientation="vertical">
<com.fecredit.hostedkios.widgets.TextViewPlus
android:id="#+id/textView6"
android:layout_width="wrap_content"
android:layout_height="30dp"
android:gravity="center_vertical"
android:text="#string/textStep1"
android:textColor="#color/colorButton"
android:textSize="#dimen/textSizeContentPL"
android:textStyle="bold"
app:font="#string/SVN" />
</LinearLayout>
<RadioGroup
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="20dp"
android:layout_weight="0.5"
android:orientation="vertical"
android:weightSum="2">
<com.fecredit.hostedkios.widgets.RadioButtonPlus
android:id="#+id/radioPayroll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_weight="0.9"
android:buttonTint="#color/colortext_loan"
android:text="#string/textpayroll"
android:textColor="#color/colorButton"
app:radiofont="#string/FtraBk" />
<com.fecredit.hostedkios.widgets.RadioButtonPlus
android:id="#+id/rdbVehicleRegistration"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1.1"
android:buttonTint="#color/colortext_loan"
android:gravity="center_vertical"
android:text="#string/textcarparachute"
android:textColor="#color/colorButton"
app:radiofont="#string/FtraBk" />
</RadioGroup>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="5dp"
android:layout_weight="0.55"
android:orientation="vertical"
android:weightSum="4">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.1"
android:orientation="horizontal">
<com.fecredit.hostedkios.widgets.TextViewPlus
android:layout_width="match_parent"
android:layout_height="30dp"
android:layout_marginBottom="15dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:gravity="center_vertical"
android:text="#string/step2"
android:textColor="#color/colorButton"
android:textSize="#dimen/textSizeContentPL"
android:textStyle="bold"
app:font="#string/SVN" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="25dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_weight="0.97"
android:orientation="horizontal">
<LinearLayout
android:id="#+id/lvname"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginRight="30dp"
android:layout_weight="0.5"
android:gravity="center_vertical">
<com.fecredit.hostedkios.widgets.EditTextViewPlus
android:id="#+id/edtFullNameCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/custom_input"
android:hint="#string/name"
android:imeOptions="actionNext"
android:inputType="textNoSuggestions"
android:nextFocusForward="#+id/edtPhoneCRC"
android:paddingBottom="7dp"
android:paddingLeft="10dp"
android:paddingRight="5dp"
android:paddingTop="7dp"
android:textColorHint="#color/colorButton"
app:editfont="#string/FtraBk" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="30dp"
android:layout_weight="0.5"
android:gravity="center_vertical">
<com.fecredit.hostedkios.widgets.EditTextViewPlus
android:id="#+id/edtIndentifyCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/custom_input"
android:hint="#string/ID"
android:imeOptions="actionNext"
android:inputType="numberPassword"
android:maxLength="12"
android:nextFocusForward="#+id/edtEmailCRC"
android:paddingBottom="7dp"
android:paddingLeft="10dp"
android:paddingRight="5dp"
android:paddingTop="7dp"
android:textColorHint="#color/colorButton"
app:editfont="#string/FtraBk" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="25dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_weight="0.97"
android:orientation="horizontal"
android:weightSum="1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginRight="30dp"
android:layout_weight="0.5"
android:gravity="center_vertical">
<com.fecredit.hostedkios.widgets.EditTextViewPlus
android:id="#+id/edtPhoneCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/custom_input"
android:hint="#string/phoneNumber"
android:imeOptions="actionNext"
android:inputType="numberPassword"
android:maxLength="11"
android:nextFocusForward="#+id/edtIndentifyCRC"
android:paddingBottom="7dp"
android:paddingLeft="10dp"
android:paddingRight="5dp"
android:paddingTop="7dp"
android:textColorHint="#color/colorButton"
app:editfont="#string/FtraBk" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="30dp"
android:layout_weight="0.5"
android:gravity="center_vertical">
<com.fecredit.hostedkios.widgets.EditTextViewPlus
android:id="#+id/edtEmailCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/custom_input"
android:hint="#string/email"
android:imeOptions="actionDone"
android:inputType="textEmailAddress"
android:paddingBottom="7dp"
android:paddingLeft="10dp"
android:paddingRight="5dp"
android:paddingTop="7dp"
android:textColorHint="#color/colorButton"
app:editfont="#string/FtraBk" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="25dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_weight="0.96"
android:orientation="horizontal"
android:weightSum="1">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:layout_marginRight="30dp"
android:layout_weight="0.5"
android:gravity="center_horizontal">
<com.fecredit.hostedkios.widgets.EditTextViewPlus
android:id="#+id/edtDateCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:background="#drawable/custom_input"
android:focusable="false"
android:hint="#string/date"
android:inputType="textPersonName"
android:nextFocusForward="#+id/edtIndentifyCRC"
android:paddingBottom="7dp"
android:paddingLeft="10dp"
android:paddingRight="5dp"
android:paddingTop="7dp"
android:textColorHint="#color/colorButton"
app:editfont="#string/FtraBk" />
<ImageView
android:id="#+id/imgDateCRC"
android:layout_width="#dimen/imgDate"
android:layout_height="#dimen/imgHeightDate"
android:layout_gravity="right|center_vertical"
app:srcCompat="#drawable/calendarblack" />
</FrameLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:layout_marginLeft="30dp"
android:layout_weight="0.5"
android:gravity="center_vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_vertical">
<Spinner
android:id="#+id/spinnerProvinceCRC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:background="#drawable/custom_input"
android:gravity="center"
android:imeOptions="actionDone"
android:inputType="textPersonName"
android:paddingBottom="7dp"
android:paddingTop="7dp"
android:popupBackground="#drawable/custom_spinner"
android:spinnerMode="dropdown"
android:textColorHint="#color/colorButton" />
</LinearLayout>
<ImageView
android:id="#+id/imageView6"
android:layout_width="#dimen/imgDate"
android:layout_height="#dimen/imgHeightProvince"
android:layout_gravity="right|center_vertical"
app:srcCompat="#drawable/loction" />
</FrameLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:layout_weight="0.77"
android:gravity="center_vertical"
android:orientation="horizontal">
<FrameLayout
android:id="#+id/layoutFooter"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="125dp"
android:background="#drawable/thanhmain"
android:gravity="right">
<com.fecredit.hostedkios.widgets.ButtonPlus
android:id="#+id/btnSendCRC"
android:layout_width="#dimen/layout_widthButtonSelect"
android:layout_height="#dimen/layout_heightButtonSelect"
android:layout_gravity="center"
android:layout_marginBottom="17dp"
android:layout_marginRight="#dimen/layout_marginRightPL"
android:background="#drawable/custom_button"
android:text="#string/btnSend"
android:textAllCaps="false"
android:textColor="#color/colorWhite"
android:textSize="#dimen/textSizeButton"
android:textStyle="bold"
app:buttonfont="#string/FtraBd" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="30dp">
<ImageView
android:id="#+id/imgBackCRC"
android:layout_width="#dimen/layout_widthImageBack"
android:layout_height="#dimen/layout_heightImageBack"
android:layout_gravity="center"
android:layout_marginBottom="5dp"
android:layout_marginLeft="30dp"
android:layout_marginRight="25dp"
app:srcCompat="#drawable/goback" />
</LinearLayout>
</FrameLayout>
</RelativeLayout>
</LinearLayout>
</ScrollView>

Android: How to align TextView with upper and lower elements?

Please have a look at the below UI (please ignore the comment in red)
Below is my attempt in making it
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/content_id_target_ranges"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="10dp"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:paddingTop="10dp"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:context=".activities.TargetRangesActivity"
tools:showIn="#layout/app_bar_target_ranges">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="#+id/target_ranges_title_txt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="12dp"
android:text="#string/my_settings_target_ranges"
android:textSize="20sp" />
<TextView
android:id="#+id/target_ranges_sub_heading_txt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="6dp"
android:text="#string/target_ranges_sub_heading"
android:textSize="14sp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="12dp"
android:background="#drawable/linear_border"
android:orientation="vertical">
<TextView
android:id="#+id/target_ranges_blood_glucose_txt"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="12dp"
android:text="#string/target_ranges_blood_glucose_text"
android:textSize="16sp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="15dp"
android:layout_marginTop="6dp"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="#+id/target_ranges_blood_glucose_pre_meal_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/target_ranges_blood_glucose_pre_meal"
android:textAlignment="center"
android:textSize="12sp"
android:textStyle="bold" />
<TextView
android:id="#+id/target_ranges_blood_glucose_pre_meal_unit_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="12dp"
android:text="#string/target_ranges_blood_glucose_unit"
android:textAlignment="center"
android:textSize="10sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="5dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_first_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_second_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_third_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="12dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:orientation="horizontal"
android:weightSum="1">
<TextView
android:layout_width="34dp"
android:layout_height="48dp"
android:textSize="16sp"
android:textColor="#color/colorWhite"
android:background="#drawable/gray_colour_style"
android:layout_weight="1.46" />
<TextView
android:layout_width="90dp"
android:layout_height="48dp"
android:textSize="16sp"
android:background="#drawable/green_colour_style"
android:textColor="#color/colorWhite"
android:layout_weight="0.15" />
<TextView
android:layout_width="60dp"
android:layout_height="48dp"
android:textSize="16sp"
android:background="#drawable/yellow_colour_style"
android:textColor="#color/colorWhite" />
<TextView
android:layout_width="70dp"
android:layout_height="48dp"
android:textSize="16sp"
android:background="#drawable/red_colour_style"
android:textColor="#color/colorWhite"/>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="12dp"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:layout_marginTop="6dp"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="#+id/target_ranges_blood_glucose_post_meal_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/target_ranges_blood_glucose_post_meal"
android:textAlignment="center"
android:textSize="12sp"
android:textStyle="bold" />
<TextView
android:id="#+id/target_ranges_blood_glucose_post_meal_unit_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="12dp"
android:text="#string/target_ranges_blood_glucose_unit"
android:textAlignment="center"
android:textSize="10sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="5dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_four_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_five_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="6dp"
android:layout_weight="1">
<android.support.design.widget.TextInputLayout
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_marginTop="5dp"
android:background="#drawable/edit_text_style">
<EditText
android:id="#+id/target_ranges_blood_glucose_six_edit"
style="#style/EditTextStyle"
android:focusable="true" />
</android.support.design.widget.TextInputLayout>
</LinearLayout>
</LinearLayout>
<TextView
android:layout_width="match_parent"
android:layout_height="24dp" />
</LinearLayout>
</LinearLayout>
</ScrollView>
</RelativeLayout>
However it generated the below UI
Notice how the colorfull bar is not aligned properly with the upper and lower text boxes, as the first image indicated via a dotted line (the dotted line shows the where the edge of each colourful tile should be, in aligned with the textboxes.
Also notice my text boxes are different than what is expected.
How can I make it as displayed in the first image?

Here I have fix your inner layout, change drawable and color.., etc
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/content_id_target_ranges"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/down_shadow"
android:orientation="vertical"
android:weightSum="20">
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center_vertical"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:text="Texttttttttttttttttttttttttttttttttt"
android:textColor="#000" />
<View
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:orientation="horizontal"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:weightSum="10">
<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:orientation="vertical">
<TextView
android:id="#+id/pre_meal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="kkk lkjl" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/pre_meal"
android:gravity="center"
android:text="sd/sd" />
</RelativeLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="8"
android:orientation="horizontal"
android:weightSum="6">
<EditText
android:id="#+id/one"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<EditText
android:id="#+id/two"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<EditText
android:id="#+id/three"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="2"
android:orientation="horizontal"
android:weightSum="9">
<TextView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<TextView
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1.5"
android:background="#8c9393"
android:gravity="center"
android:text="Low"
android:textColor="#fff" />
<TextView
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="2.4"
android:background="#1dea12"
android:gravity="center"
android:text="Normal"
android:textColor="#fff" />
<TextView
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="2.2"
android:background="#f5d904"
android:gravity="center"
android:text="High"
android:textColor="#fff" />
<TextView
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1.9"
android:background="#ea0c05"
android:gravity="center"
android:layout_marginRight="2dp"
android:text="Very High"
android:textColor="#fff" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:orientation="horizontal"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:weightSum="10">
<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:orientation="vertical">
<TextView
android:id="#+id/pre_meals"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="kkk lkjl" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#id/pre_meals"
android:gravity="center"
android:text="sd/sd" />
</RelativeLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="8"
android:orientation="horizontal"
android:weightSum="6">
<EditText
android:id="#+id/four"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<EditText
android:id="#+id/five"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
<EditText
android:id="#+id/six"
android:layout_width="0dp"
android:layout_height="48dp"
android:layout_weight="1"
android:background="#999698"
android:focusable="true" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
Instead of Edittext use your TextInput layout. It is giving error while compiling so i changed it to Edittext

tools:showIn causing error in Android layout

I've searched through the site but haven't found a similar question. I have finished making this layout, and then I proceeded to make some changes in my code (not regarding the layout), and when I came back to content_main.xml, the layout decided not to render. The solution seems to be when I remove this line:
tools:showIn="#layout/activity_main"
Then the layout renders, of course, without the toolbar. The layout is slightly complicated, but it worked fine up until now, and I haven't changed anything in the toolbar layout. Where should I look? In the content_main.xml,activity_main, or where? Also, I can post whatever piece of code might be relevant to this problem. But I do not know what is relevant and what isn't, so instead of posting 500 xml lines of code, (plus 2600 lines in java), I'm not going to post until someone tells me what might be the problem.
EDIT
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:context="com.example.samprocreativecenter.nfc.MainActivity"
android:orientation="horizontal"
android:background="#819fba">
<!-- tools:showIn="#layout/activity_main"
-->
<LinearLayout
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical"
android:background="#drawable/ekran"
android:clickable="false">
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="end"
android:id="#+id/txtStatus"
android:textColor="#ffffff"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:textSize="28sp"
android:textColor="#ffffff"
android:id="#+id/editUnos"
android:fontFamily="sans-serif-thin"
android:gravity="bottom|end"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="2"
android:id="#+id/layoutTasteri"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img1"
android:src="#drawable/p1"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img2"
android:src="#drawable/p2"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img3"
android:src="#drawable/p3"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img4"
android:src="#drawable/p4"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img5"
android:src="#drawable/p5"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img6"
android:src="#drawable/p6"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img7"
android:src="#drawable/p7"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img8"
android:src="#drawable/p8"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img9"
android:src="#drawable/p9"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgNazad"
android:src="#drawable/delete"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/img0"
android:src="#drawable/p0"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgEnter"
android:src="#drawable/enter"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<ImageView
android:layout_width="30dp"
android:layout_height="match_parent"
android:src="#drawable/linija"/>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:visibility="gone"
android:id="#+id/layoutOtvorenListView"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="18dp"
android:id="#+id/txtSmanjiListView"
android:background="#607b9a"
android:text="Info panel"
android:textColor="#d9e8e7"/>
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/listViewOtvoreni"
android:stackFromBottom="true">
</ListView>
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:id="#+id/layoutSredina">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<TextClock
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:textSize="60sp"
android:id="#+id/textClock"
android:textColor="#ffffff"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="27sp"
android:id="#+id/txtDatum"
android:gravity="center"
android:textColor="#ffffff"
android:fontFamily="sans-serif-thin"/>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical"
android:id="#+id/layoutSredinaPodesavanja"
android:visibility="gone"
>
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/imgUspesnaVerifikacija"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:text="Domen"
android:id="#+id/domen"
android:textColor="#ffffff"
android:textSize="12sp"/>
<EditText
android:layout_below="#+id/domen"
android:layout_marginTop="2dp"
android:layout_width="match_parent"
android:layout_height="27dp"
android:textColor="#ffffff"
android:background="#drawable/unos_polje_neaktivno"
android:textColorHint="#a6bbce"
android:singleLine="true"
android:maxLines="1"
android:id="#+id/editDomen"/>
<TextView
android:layout_below="#+id/editDomen"
android:layout_marginTop="12dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/server"
android:text="Adresa servera"
android:textColor="#ffffff"
android:textSize="12sp"/>
<EditText
android:layout_below="#+id/server"
android:layout_marginTop="2dp"
android:layout_width="match_parent"
android:layout_height="27dp"
android:background="#drawable/unos_polje_neaktivno"
android:textColor="#ffffff"
android:maxLines="1"
android:textColorHint="#a6bbce"
android:id="#+id/editServer"/>
<ImageView
android:layout_width="100dp"
android:layout_height="40dp"
android:layout_gravity="end"
android:id="#+id/imgVerifikacija"
android:src="#drawable/verifikacija"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"/>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1.7"
android:orientation="vertical"
android:id="#+id/layoutSredinaDole"
android:visibility="visible">
<Spinner
android:layout_width="0dp"
android:layout_height="0dp"
android:id="#+id/spnMestoTroska"
android:spinnerMode="dropdown"
android:layout_gravity="start"
>
</Spinner>
<TextView
android:layout_width="120dp"
android:layout_height="70dp"
android:layout_gravity="center"
android:background="#drawable/mesto_troska"
android:id="#+id/txtSpinner"
/>
<TextView
android:layout_width="match_parent"
android:layout_height="18dp"
android:background="#drawable/rsz_prologin_pocetna_1"
android:id="#+id/txtListView"/>
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/listView">
</ListView>
</LinearLayout>
</LinearLayout>
<RelativeLayout
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="#+id/layoutDesniPodesavanja"
android:visibility="gone"
>
<TextView
android:layout_marginTop="20dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:text="Rezim sinhronizacije"
android:textSize="13sp"
android:textColor="#a6bbce"
android:id="#+id/rezim"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:textSize="13sp"
android:textColor="#ffffff"
android:id="#+id/txtSinhronizacija"
android:layout_below="#+id/rezim"/>
<ImageView
android:layout_marginStart="5dp"
android:layout_width="55dp"
android:layout_height="40dp"
android:layout_alignParentEnd="true"
android:layout_alignTop="#+id/rezim"
android:id="#+id/imgSinhronizuj"
android:src="#drawable/sinhronizuj"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:singleLine="true"
android:layout_below="#+id/imgSinhronizuj"
android:textSize="9sp"
android:text="Sinhronizuj"
android:layout_alignStart="#+id/imgSinhronizuj"
android:layout_marginStart="8dp"
android:id="#+id/sinhronizuj"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Rezim rada terminala:"
android:textColor="#a6bbce"
android:layout_marginStart="10dp"
android:textSize="13sp"
android:layout_below="#+id/sinhronizuj"
android:layout_marginTop="15dp"
android:id="#+id/rezimrada"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/txtTipRV"
android:layout_below="#+id/rezimrada"
android:layout_alignStart="#+id/rezimrada"
android:layout_marginStart="10dp"
android:textColor="#ffffff"
/>
<ImageView
android:layout_width="55dp"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_marginEnd="15dp"
android:layout_marginBottom="15dp"
android:id="#+id/imgOdustani"
android:src="#drawable/odustani" />
<ImageView
android:layout_width="55dp"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="15dp"
android:layout_marginStart="15dp"
android:id="#+id/imgSacuvaj"
android:src="#drawable/snimi"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/txtKoristiMT"
android:layout_below="#+id/txtTipRV"
android:layout_alignStart="#+id/txtTipRV"
android:textColor="#ffffff"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/txtGPS"
android:layout_below="#+id/txtKoristiMT"
android:layout_alignStart="#+id/txtKoristiMT"
android:textColor="#ffffff"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/txtSlika"
android:layout_below="#+id/txtGPS"
android:layout_alignStart="#+id/txtGPS"
android:textColor="#ffffff"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/txtDozTestaturu"
android:layout_below="#+id/txtSlika"
android:layout_alignStart="#+id/txtSlika"
android:textColor="#ffffff"
/>
</RelativeLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="#+id/layoutDesni"
android:visibility="visible">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.9">
<ImageView
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:id="#+id/imgDolazak"
android:src="#drawable/dolazak"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgOdlazak"
android:src="#drawable/odlazak"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.6">
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgPauza"
android:src="#drawable/pauza"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgTeren"
android:src="#drawable/rad_teren"/>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:id="#+id/imgPrivatno"
android:src="#drawable/privatno"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.3">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Pauza"
android:textColor="#ffffff"
android:textSize="10sp"
android:src="#drawable/pauza"
android:gravity="center"/>
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/rad_teren"
android:text="Rad na terenu"
android:gravity="center"
android:textColor="#ffffff"
android:textSize="10sp"/>
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="#drawable/privatno"
android:text="Privatno odsutan"
android:gravity="center"
android:textColor="#ffffff"
android:textSize="10sp"/>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1.17">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="70dp"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:id="#+id/imgView"
android:layout_marginStart="5dp"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_marginStart="1dp">
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:textColor="#a6bbce"
android:text="Poslednji prijavljeni"
android:textSize="12sp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:id="#+id/txtPoslenjiUpisani"
android:textColor="#ffffff"
android:text=""
android:textSize="12sp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:textColor="#a6bbce"
android:text="Pozicija"
android:textSize="12sp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:id="#+id/txtPoslednjeMestoTroska"
android:textColor="#ffffff"
android:text=""
android:textSize="12sp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:textColor="#a6bbce"
android:text="Vreme"
android:textSize="12sp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:textColor="#ffffff"
android:id="#+id/txtPoslenjeVreme"
android:text=""
android:textSize="12sp"/>
</LinearLayout>
</LinearLayout>
<TextureView
android:layout_width="0.1dp"
android:layout_height="0.1dp"
android:id="#+id/texture"
android:layout_gravity="center"
/>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.6"
android:layout_marginTop="4dp">
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.9"
android:id="#+id/imgScrollLevo"
android:src="#drawable/levo"/>
<HorizontalScrollView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginTop="1dp"
android:layout_weight="5"
android:id="#+id/horScrollView"
android:gravity="center">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center"
android:id="#+id/layoutZaposleni"
android:orientation="horizontal">
</LinearLayout>
</HorizontalScrollView>
<ImageView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.9"
android:id="#+id/imgScrollDesno"
android:src="#drawable/desno"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
And yes, I am aware that nested weights can be an issue, but this is still a test build. All the drawables exist and work.

Understanding layout_weight

I want to do this:
The problem: all of the layout is contain by ScrollView into a LinearLayout and at the bottom must be the buttons of the stepper. To do that i used layout_weight to locating the elements in the space how i want.
Here is my XML code:
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="0dp"
android:fillViewport="true"
android:background="#drawable/shape_fondo"
android:layout_weight="1">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="12dp"
android:src="#mipmap/indicador_wizzard2"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:text="Días de ingesta"
android:layout_marginBottom="6dp"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="12dp"
android:layout_marginLeft="12dp"
android:weightSum="49">
<ToggleButton
android:id="#+id/lunes"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Lu"
android:textOff="Lu"/>
<ToggleButton
android:id="#+id/martes"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Ma"
android:textOff="Ma"/>
<ToggleButton
android:id="#+id/miercoles"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Mie"
android:textOff="Mie"/>
<ToggleButton
android:id="#+id/jueves"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Jue"
android:textOff="Jue"/>
<ToggleButton
android:id="#+id/viernes"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Vie"
android:textOff="Vie"/>
<ToggleButton
android:id="#+id/sabado"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Sa"
android:textOff="Sa"/>
<ToggleButton
android:id="#+id/domingo"
android:layout_weight="7"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#drawable/botonesdias"
android:textOn="Do"
android:textOff="Do"/>
</LinearLayout>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="2.3"
android:id="#+id/contenedortitulito">
<TextView
android:id="#+id/titulohora"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_alignParentLeft="true"
android:text="Hora" />
<TextView
android:id="#+id/titulodosis"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="20dp"
android:layout_alignParentRight="true"
android:text="Dosis"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ListView
android:id="#+id/listview"
android:background="#color/azul"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="#+id/contenedortitulito"/>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
style="#style/botones"
android:id="#+id/btn_cancelar2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:text="Atrás"
android:layout_gravity="center"/>
<Button
style="#style/botones"
android:id="#+id/btn_irapaso3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:text="Continuar"
android:layout_gravity="center" />
</LinearLayout>
</LinearLayout>
</ScrollView>
I do not quite understand the concept of layout weight. Can you explain me?
Thanks!

You Need to provide weightsum to parent layout first of all after that you can distribute weight accordingly..
i have provided example of screen in which i used weightsum and layout_weight.
You can apply layout weight on scrollview as well
Here is the code for sample screen.
You can ignore first relative layout.
Hope it Helps
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/whole_bg">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="35dp"
android:orientation="vertical"
android:weightSum="1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight=".15"
android:background="#drawable/top"
android:orientation="horizontal"
android:weightSum="6">
<ImageView
android:id="#+id/ivHome"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_home" />
<ImageView
android:id="#+id/ivTraderList"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_traderlist_green" />
<ImageView
android:id="#+id/ivStatement"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_statement_green" />
<ImageView
android:id="#+id/ivSummary"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_summary_green" />
<ImageView
android:id="#+id/ivProduct"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_product_green" />
<ImageView
android:id="#+id/ivLogout"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:src="#drawable/ll_logout" />
</LinearLayout>
<TextView
style="#style/TitleStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="#string/trader_list_str" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/lightGreen"
android:orientation="horizontal"
android:weightSum="1">
<EditText
android:id="#+id/etDate"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".495"
android:editable="false"
android:focusable="false"
android:gravity="center"
android:text="#string/date_str"
android:textAppearance="?android:textAppearanceMedium"
android:textColor="#color/white"
android:textStyle="bold" />
<View
android:layout_width="0dp"
android:layout_height="25dp"
android:layout_gravity="center"
android:layout_weight=".005"
android:background="#android:color/darker_gray" />
<EditText
android:id="#+id/etTime"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".495"
android:editable="false"
android:focusable="false"
android:gravity="center"
android:text="#string/time_str"
android:textAppearance="?android:textAppearanceMedium"
android:textColor="#color/white"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight=".84"
android:orientation="vertical"
android:weightSum="1">
<ListView
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight=".8" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight=".2"
android:orientation="vertical"
android:weightSum="2">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_margin="10dp"
android:layout_weight="1"
android:background="#color/lightYellow"
android:orientation="horizontal"
android:weightSum="1">
<TextView
android:id="#+id/tvLabelTotal"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight=".595"
android:gravity="center"
android:text="#string/total_str"
android:textAppearance="?android:textAppearanceMedium" />
<View
android:layout_width="0dp"
android:layout_height="20dp"
android:layout_gravity="center"
android:layout_weight=".01"
android:background="#android:color/darker_gray" />
<TextView
android:id="#+id/tvTotal"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginLeft="1dp"
android:layout_weight=".395"
android:gravity="center" />
</LinearLayout>
<TextView
android:id="#+id/tvOrder"
style="#style/BtnStyle"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_gravity="center"
android:layout_marginBottom="5dp"
android:layout_weight="1"
android:onClick="placeOrder"
android:paddingLeft="30dp"
android:paddingRight="30dp"
android:text="#string/place_order_str" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/advtLabel"
android:layout_width="match_parent"
android:layout_height="35dp"
android:layout_alignParentBottom="true"
android:background="#color/lightYellow"
android:orientation="horizontal" />