androidxmlscrollviewandroid-linearlayoutandroid-scrollview
ScrollView takes away LinearLayout constraints
I'm trying to implement a ScrollView on a login screen over a LinearLayout, but the scroll view seems to mess up all the constraints on the LinearLayout.
Whats supposed to look like this
Instead looks like this when ScrollView is added
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/relative_root_login"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bitmap_resource"
tools:context="dreamentries.dreamentries.LoginActivity">
<ScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<LinearLayout
android:id="@+id/linear_center_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginBottom="5dp"
android:layout_marginEnd="10dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginStart="10dp"
android:orientation="vertical"
android:padding="5dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="text"
android:textSize="30dp"
android:visibility="invisible" />
<EditText
android:id="@+id/login_edittxt_email"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginBottom="5dp"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:alpha="0.95"
android:background="#202020"
android:hint="EMAIL"
android:inputType="textEmailAddress"
android:letterSpacing="0.095"
android:padding="5dp"
android:paddingEnd="15dp"
android:paddingLeft="15dp"
android:paddingStart="15dp"
android:textColor="#fff"
android:textColorHint="#fff"
android:textSize="15dp" />
<EditText
android:id="@+id/login_edittxt_pass"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:layout_marginTop="5dp"
android:alpha="0.95"
android:background="#202020"
android:hint="PASSWORD"
android:inputType="textPassword"
android:letterSpacing="0.095"
android:padding="5dp"
android:paddingEnd="15dp"
android:paddingLeft="15dp"
android:paddingStart="15dp"
android:textColor="#fff"
android:textColorHint="#fff"
android:textSize="15dp" />
</LinearLayout>
</ScrollView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/linear_center_login"
android:layout_marginEnd="15dp"
android:layout_marginLeft="15dp"
android:layout_marginRight="15dp"
android:layout_marginStart="15dp"
android:layout_marginTop="2dp"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="text"
android:textSize="40dp"
android:visibility="invisible" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:orientation="horizontal">
<TextView
android:id="@+id/btn_login_earlyadopter"
android:layout_width="0dp"
android:layout_height="45dp"
android:layout_gravity="center"
android:layout_marginEnd="4dp"
android:layout_marginRight="4dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#C0202020"
android:gravity="center"
android:letterSpacing="0.095"
android:text="REGISTER"
android:textColor="#fff"
android:textSize="17dp" />
<TextView
android:id="@+id/btn_login_login"
android:layout_width="0dp"
android:layout_height="45dp"
android:layout_gravity="center"
android:layout_marginLeft="4dp"
android:layout_marginStart="4dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#C0202020"
android:gravity="center"
android:letterSpacing="0.095"
android:text="LOGIN"
android:textColor="#fff"
android:textSize="17dp" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
What am I missing in the ScrollView Attribute that prevents it from messing up the LinearLayout
Solution
I had to wrap the linearLayouts in a RelativeLayout then set the Scrollview to:
android:fillViewport="true"
android:layout_width="match_parent"
android:layout_height="match_parent"
The following will achieve the effect you are looking for:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/relative_root_login"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bitmap_resource"
tools:context="dreamentries.dreamentries.LoginActivity">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="@+id/linear_center_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginBottom="5dp"
android:layout_marginEnd="10dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginStart="10dp"
android:orientation="vertical"
android:padding="5dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="text"
android:textSize="30dp"
android:visibility="invisible" />
<EditText
android:id="@+id/login_edittxt_email"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginBottom="5dp"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:alpha="0.95"
android:background="#202020"
android:hint="EMAIL"
android:inputType="textEmailAddress"
android:letterSpacing="0.095"
android:padding="5dp"
android:paddingEnd="15dp"
android:paddingLeft="15dp"
android:paddingStart="15dp"
android:textColor="#fff"
android:textColorHint="#fff"
android:textSize="15dp" />
<EditText
android:id="@+id/login_edittxt_pass"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:layout_marginTop="5dp"
android:alpha="0.95"
android:background="#202020"
android:hint="PASSWORD"
android:inputType="textPassword"
android:letterSpacing="0.095"
android:padding="5dp"
android:paddingEnd="15dp"
android:paddingLeft="15dp"
android:paddingStart="15dp"
android:textColor="#fff"
android:textColorHint="#fff"
android:textSize="15dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/linear_center_login"
android:layout_marginEnd="15dp"
android:layout_marginLeft="15dp"
android:layout_marginRight="15dp"
android:layout_marginStart="15dp"
android:layout_marginTop="2dp"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="text"
android:textSize="40dp"
android:visibility="invisible" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="25dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginStart="25dp"
android:orientation="horizontal">
<TextView
android:id="@+id/btn_login_earlyadopter"
android:layout_width="0dp"
android:layout_height="45dp"
android:layout_gravity="center"
android:layout_marginEnd="4dp"
android:layout_marginRight="4dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#C0202020"
android:gravity="center"
android:letterSpacing="0.095"
android:text="REGISTER"
android:textColor="#fff"
android:textSize="17dp" />
<TextView
android:id="@+id/btn_login_login"
android:layout_width="0dp"
android:layout_height="45dp"
android:layout_gravity="center"
android:layout_marginLeft="4dp"
android:layout_marginStart="4dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#C0202020"
android:gravity="center"
android:letterSpacing="0.095"
android:text="LOGIN"
android:textColor="#fff"
android:textSize="17dp" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</ScrollView>
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