How I implement new material gmail toolbar without nested scrollview?

Question

I want to implement new gmail like toolbar without nested scroll view, which is scroll able, but when scroll down background should be visible.

It will look like this:

Answer 1

It's not a nested scrollview, Its recyclerView. If you want such a search bar, you can make it using CardView and Edittext or use Material searchbar library. You can place it locked at that position by using frameLayout or CoordinatorLayout.

Here is a sample Screen I made!.

    <?xml version="1.0" encoding="utf-8"?>
    <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:background="#dadada"
        android:layout_height="match_parent">

        <android.support.v7.widget.CardView
            app:cardUseCompatPadding="true"
            android:layout_margin="8dp"
            app:cardCornerRadius="8dp"
            android:layout_width="match_parent"
            android:layout_height="64dp">

            <android.support.constraint.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <ImageView
                    android:id="@+id/imageView2"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_marginStart="8dp"
                    android:src="@drawable/ic_menu_black_24dp"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

                <EditText
                    android:id="@+id/editText"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="16dp"
                    android:layout_marginTop="8dp"
                    android:layout_marginBottom="8dp"
                    android:background="@android:color/transparent"
                    android:hint="Search..."
                    android:minWidth="100dp"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintStart_toEndOf="@+id/imageView2"
                    app:layout_constraintTop_toTopOf="parent" />

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_marginTop="8dp"
                    android:layout_marginEnd="8dp"
                    android:layout_marginBottom="8dp"
                    android:src="@drawable/ic_search_black_24dp"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintTop_toTopOf="parent" />

            </android.support.constraint.ConstraintLayout>

        </android.support.v7.widget.CardView>

        <android.support.v7.widget.RecyclerView
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </android.support.v7.widget.RecyclerView>

    </android.support.design.widget.CoordinatorLayout>

Here is the result.

Answer 2

You just need create custom one in your Activity layout like

    <?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">

    <android.support.design.widget.CoordinatorLayout
            android:id="@+id/main_content"
            android:layout_width="match_parent"
            android:layout_height="match_parent">
        <android.support.v7.widget.CardView
                android:layout_margin="16dp"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">


        <android.support.design.widget.AppBarLayout
                android:id="@+id/appbar"

                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

            <android.support.v7.widget.Toolbar
                    android:id="@+id/toolbar"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    app:layout_scrollFlags="scroll|enterAlways"
                    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>

        </android.support.design.widget.AppBarLayout>
        </android.support.v7.widget.CardView>
    </android.support.design.widget.CoordinatorLayout>
    <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello World!"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent"/>

</android.support.constraint.ConstraintLayout>

And change style of your activity to "NoActionBar". For me it help.