Android Design Support Library - Style, Thems, Colors and Typography

Android Design Support Library

app_themes.xml https://codelabs.developers.google.com/codelabs/material-design-style/img/5ffbda8697aa2b0f.png

app_themes.xml

<resources>
<!-- Base application theme. -->
<style name="AppTheme.Base" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#3F51B5</item>
<!-- Light Indigo -->
<item name="colorPrimaryDark">#3949AB</item>
<!-- Dark Indigo -->
<item name="colorAccent">#00B0FF</item>
<!-- Blue -->
</style>
<style name="AppTheme" parent="AppTheme.Base"></style>
</resources>

appbar_offsetChanged.java

   
// Percentage of scroll app bar
appBarLayout = (AppBarLayout) findViewById(R.id.appbar);
appBarLayout.addOnOffsetChangedListener(this);

@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int offset) {
  int maxScroll = appBarLayout.getTotalScrollRange();
  float percentage = (float) Math.abs(offset) / (float) maxScroll;
  handleToolbarTitleVisibility(percentage); /// 0.0 -> 1.0
}

      

behavior.xml

// Using NestedScrollView instead of ScrollView to support appbar_scrolling_view_behavior
<android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
      

custom_coordinatorLayout.xml

<android.support.design.widget.CoordinatorLayout>

    <android.support.design.widget.AppBarLayout
        android:layout_height="@dimen/app_bar_height"
        android:fitsSystemWindows="true"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.design.widget.CollapsingToolbarLayout
            android:fitsSystemWindows="true" 
            app:contentScrim="?attr/colorPrimary"
            app:titleEnabled="false"
            app:layout_scrollFlags="scroll|snap|exitUntilCollapsed"> // Snap -> auto expand or collaps animation
          
            <ImageView
                app:layout_collapseMode="parallax" // Parallax -> create parallax effect when scroll 
                tools:background="@drawable/a" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin" // pin -> keep the view Pin at where it is
                app:popupTheme="@style/AppTheme.PopupOverlay"/>

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

view_with_system_themes.xml

<!-- Button with borderlessButtonStyle -->
<!-- Button with textColorr="?attr/colorPrimary -->  
<Button
            android:id="@+id/action_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/card_text"
            style="?android:attr/borderlessButtonStyle"
            android:textColor="?attr/colorPrimary"
            android:text="Action" />