activity_search_app.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/home" />

    <LinearLayout
        android:id="@+id/linear_mainLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:scrollbars="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:padding="16dp"
            android:weightSum="11">

            <RelativeLayout
                android:id="@+id/relative_top"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="6.5"
                android:orientation="vertical" />

            <LinearLayout
                android:id="@+id/edt_secureKey"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1.5"
                android:orientation="vertical">

                <EditText
                    android:visibility="gone"
                    android:layout_width="wrap_content"
                    android:layout_height="50dp"
                    android:layout_gravity="center"
                    android:background="@drawable/entersecurekey_drawable"
                    android:cursorVisible="false"
                    android:gravity="center"
                    android:hint="@string/txtEnterSecretKey"
                    android:imeOptions="actionSearch"
                    android:inputType="text"
                    android:minWidth="250dp"
                    android:padding="10dp"
                    android:textColor="@color/darkGray"
                    android:textColorHint="@color/darkGrayColor"
                    android:textStyle="bold" />
            </LinearLayout>
        </LinearLayout>
    </LinearLayout>
</FrameLayout>