SubtitleCollapsingToolbarLayout

This layout is a CollapsingToolbarLayout with subtitle support. Ever wondered how WhatsApp did with their contacts profile activity? this layout is mimicking that behavior.

Assuming you already knew how to use the standard CollapsingToolbarLayout material. if you never use that before this tutorial have good explanation on how to do it.

Usage

first, clone this repo:

git clone https://github.com/ahmadmuzakki29/subtitle-collapsingtoolbar

then on Android Studio you can import the module with File->New->Import Module and choose module :subtitlecollapsingtoolbar inside downloaded folder

Available new attributes:

app:subtitle="string"
app:collapsedSubtitleAppearance="reference"
app:expandedSubtitleAppearance="reference"

Quick XML snippet :

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="192dp"
        android:background="?attr/colorPrimary"
        android:fitsSystemWindows="true">

        <com.muzakki.ahmad.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:contentScrim="@color/colorAccent"
            app:collapsedTitleTextAppearance="@style/title.collapsed"
            app:expandedTitleTextAppearance="@style/title.expanded"
            app:collapsedSubtitleAppearance="@style/subtitle"
            app:expandedSubtitleAppearance="@style/subtitle"
            app:title="Pendet"
            app:subtitle="Bali, Indonesia"
            android:fitsSystemWindows="true"
            >
            <ImageView
                android:layout_height="match_parent"
                android:layout_width="match_parent"
                android:src="@drawable/pendet_dance"
                android:adjustViewBounds="true"
                android:scaleType="centerCrop"
                app:layout_collapseMode="parallax"
                />
            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin"/>

        </com.muzakki.ahmad.widget.CollapsingToolbarLayout>

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

    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="@dimen/activity_horizontal_margin"
            android:layout_marginRight="@dimen/activity_horizontal_margin"
            android:layout_marginTop="@dimen/activity_vertical_margin"
            android:layout_marginBottom="@dimen/activity_vertical_margin"
            android:text="Pendet is a traditional dance from Bali, Indonesia, in which offerings are made to purify the temple or theater as a prelude to ceremonies or other dances. Pendet is typically performed by young girls, carrying bowls of flower petals, handfuls of which are cast into the air at various times in the dance. Pendet can be thought of as a dance of greeting, to welcome the audience and invite spirits to enjoy a performance." />
    </android.support.v4.widget.NestedScrollView>

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