Navigation Drawer Sizing according to Material Design

main_activity.xml

<?xml version="1.0" encoding="utf-8"?>

<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/main_activity_rootLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <!-- The main content view -->
    {...}

    <!-- The navigation drawer -->
    <include
        layout="@layout/navigation_drawer"/>

</android.support.v4.widget.DrawerLayout>

MainActivity.java

{...}

import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.graphics.PorterDuff;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.Toolbar;
import android.view.Gravity;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.android.volley.toolbox.NetworkImageView;

{...}

/**
 * This is the main activity of the application.
 * Top hierarchy level.
 * Holds the navigation drawer.
 * 
 * Uses ScrimInsetsFrameLayout from Google http://goo.gl/07TJnm
 * Uses Google Volley from Google http://goo.gl/b9sqAD
 * Uses CircleImageView http://goo.gl/mV22sU
 *
 * @author https://plus.google.com/+PabloCostaTirado/posts
 */
public class MainActivity extends ActionBarActivity
{
    private final static double sNAVIGATION_DRAWER_ACCOUNT_SECTION_ASPECT_RATIO = 9d/16d;

    private DrawerLayout mDrawerLayout;
    private FrameLayout mFrameLayout_AccountView;
    private ScrimInsetsFrameLayout mScrimInsetsFrameLayout;    

    {...}

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);

        initialization();
    }

    /**
     * Bind, create, initialise and set up the resources
     */
    private void initialization()
    {
        {...}

        // Navigation Drawer
        mFrameLayout_AccountView = (FrameLayout) findViewById(R.id.navigation_drawer_account_view);
        mDrawerLayout = (DrawerLayout) findViewById(R.id.main_activity_rootLayout);
        mDrawerLayout.setStatusBarBackgroundColor(getResources().getColor(R.color.primaryDark));
        mScrimInsetsFrameLayout = (ScrimInsetsFrameLayout) findViewById(R.id.main_activity_navigation_drawer_rootLayout);

        {...}

        // Navigation Drawer layout width
        final DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mScrimInsetsFrameLayout.getLayoutParams();
        int possibleMinDrawerWidth = UtilsDevice.getScreenWidth(this) -
            UtilsMisc.getThemeAttributeDimensionSize(this, android.R.attr.actionBarSize);
            
        int maxDrawerWidth = getResources().getDimensionPixelSize(R.dimen.navigation_drawer_max_width);
        params.width = Math.min(possibleMinDrawerWidth, maxDrawerWidth);

        mScrimInsetsFrameLayout.setLayoutParams(params);

        mFrameLayout_AccountView.getLayoutParams().height = (int) (params.width
                * sNAVIGATION_DRAWER_ACCOUNT_SECTION_ASPECT_RATIO);

        {...}

    }
}

nav_drawer.xml

<?xml version="1.0" encoding="utf-8"?>

<!-- Needs to have clickable to true to make the layout clickable http://goo.gl/t9fokh-->
<com.gist.navDrawer.sizing.ScrimInsetsFrameLayout
    android:id="@+id/main_activity_navigation_drawer_rootLayout"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:background="@color/navigation_drawer_background"
    android:clickable="true"
    android:fitsSystemWindows="true"
    app:insetForeground="@color/nav_drawer_inset_foreground">

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <FrameLayout
            android:id="@+id/navigation_drawer_account_view"
            android:layout_width="match_parent"
            android:layout_height="@dimen/navigation_drawer_account_section_default_height"
            android:clickable="true"
            android:foreground="?selectableItemBackground"
            tools:layout_height="@dimen/navigation_drawer_account_section_default_height">

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:foreground="@color/black_alpha_50">

                <com.android.volley.toolbox.NetworkImageView
                    android:id="@+id/navigation_drawer_user_account_picture_cover"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:background="@drawable/image_nav_drawer_account_background"
                    android:scaleType="centerCrop"
                    tools:ignore="ContentDescription" />

            </FrameLayout>

            <RelativeLayout
                android:id="@+id/navigation_drawer_account_section"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:paddingBottom="@dimen/nav_drawer_vertical_spacing_listing"
                android:paddingEnd="@dimen/nav_drawer_vertical_keyline_right"
                android:paddingLeft="@dimen/nav_drawer_vertical_keyline_left"
                android:paddingRight="@dimen/nav_drawer_vertical_keyline_right"
                android:paddingStart="@dimen/nav_drawer_vertical_keyline_left">

                <LinearLayout
                    android:id="@+id/navigation_drawer_account_information"
                    android:layout_width="wrap_content"
                    android:layout_height="@dimen/navigation_drawer_account_information_height"
                    android:layout_alignParentBottom="true"
                    android:gravity="center_vertical"
                    android:orientation="vertical">

                    <TextView
                        android:id="@+id/navigation_drawer_account_information_display_name"
                        style="@style/NavDrawerAccountInfoText"
                        tools:fontFamily="sans-serif-medium"
                        tools:text="@string/tools_text_account_information_username"/>

                    <TextView
                        android:id="@+id/navigation_drawer_account_information_email"
                        style="@style/NavDrawerAccountInfoText"
                        tools:fontFamily="sans-serif"
                        tools:text="@string/tools_text_account_information_email"/>

                </LinearLayout>

                <de.hdodenhof.circleimageview.CircleImageView
                    android:id="@+id/navigation_drawer_user_account_picture_profile"
                    android:layout_width="@dimen/navigation_drawer_profile_image_size"
                    android:layout_height="@dimen/navigation_drawer_profile_image_size"
                    android:layout_above="@id/navigation_drawer_account_information"
                    android:layout_marginBottom="@dimen/spacing_4"
                    android:src="@drawable/ic_account_circle_white_48dp"
                    tools:src="@drawable/tools_user_profile_photo" />

            </RelativeLayout>

        </FrameLayout>

        <!-- Place here your Nav Drawer items -->

    </LinearLayout>

</com.gist.navDrawer.sizing.ScrimInsetsFrameLayout>

Utils.java

{...}

import android.content.Context;
import android.util.DisplayMetrics;

/**
 * This utility class is for device related stuff.
 *
 
* @author https://plus.google.com/+PabloCostaTirado/posts
 */
public class UtilsDevice
{
    /**
     * Returns the screen width in pixels
     *
     * @param context is the context to get the resources
     *
     * @return the screen width in pixels
     */
    public static int getScreenWidth(Context context)
    {
        DisplayMetrics metrics = context.getResources().getDisplayMetrics();

        return metrics.widthPixels;
    }

    /**
     * Returns the size in pixels of an attribute dimension
     *
     * @param context the context to get the resources from
     * @param attr is the attribute dimension we want to know the size from
     *
     * @return the size in pixels of an attribute dimension
     */
    public static int getThemeAttributeDimensionSize(Context context, int attr)
    {
        TypedArray a = null;
        try
        {
            a = context.getTheme().obtainStyledAttributes(new int[] { attr });
            return a.getDimensionPixelSize(0, 0);
        }
        finally
        {
            if(a != null)
            {
                a.recycle();
            }
        }
    }
}