Revert "Revert "Make status bar translucent. Make drawer appera below
status bar."" with a fix for cts tests.

This reverts commit 0574d169ba1e649d8bd54d28ba74b9707e675e37.

Change-Id: I33deeef839092956a67ec31bcdbfbbd540db8b68
diff --git a/res/layout/dialog_file_name.xml b/res/layout/dialog_file_name.xml
index 5ed476f..3a95a13 100644
--- a/res/layout/dialog_file_name.xml
+++ b/res/layout/dialog_file_name.xml
@@ -17,6 +17,7 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:fitsSystemWindows="true"
     android:padding="?android:attr/listPreferredItemPaddingEnd">
 
     <EditText
diff --git a/res/layout/fragment_save.xml b/res/layout/fragment_save.xml
index 7aac620..a889b9f 100644
--- a/res/layout/fragment_save.xml
+++ b/res/layout/fragment_save.xml
@@ -21,6 +21,7 @@
     android:orientation="horizontal"
     android:baselineAligned="false"
     android:gravity="center_vertical"
+    android:fitsSystemWindows="true"
     android:minHeight="?android:attr/listPreferredItemHeightSmall">
 
     <FrameLayout
diff --git a/res/values/styles.xml b/res/values/styles.xml
index a548d89..b16554c 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -36,6 +36,8 @@
         <item name="android:windowActionBar">false</item>
         <item name="android:windowActionModeOverlay">true</item>
         <item name="android:windowNoTitle">true</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:fitsSystemWindows">false</item>
 
         <item name="android:windowSoftInputMode">stateUnspecified|adjustUnspecified</item>
     </style>
@@ -43,7 +45,7 @@
     <style name="TrimmedHorizontalProgressBar" parent="android:Widget.Material.ProgressBar.Horizontal">
         <item name="android:indeterminateDrawable">@drawable/progress_indeterminate_horizontal_material_trimmed</item>
         <item name="android:minHeight">3dp</item>
-        <item name="android:maxHeight">3dp</item>    
+        <item name="android:maxHeight">3dp</item>
     </style>
 
 </resources>
diff --git a/src/com/android/documentsui/BaseActivity.java b/src/com/android/documentsui/BaseActivity.java
index 2911027..e68ed13 100644
--- a/src/com/android/documentsui/BaseActivity.java
+++ b/src/com/android/documentsui/BaseActivity.java
@@ -127,6 +127,7 @@
         mSearchManager = new SearchViewManager(this, icicle);
 
         DocumentsToolbar toolbar = (DocumentsToolbar) findViewById(R.id.toolbar);
+        Display.adjustToolbar(toolbar, this);
         setActionBar(toolbar);
         mNavigator = new NavigationView(
                 mDrawer,
diff --git a/src/com/android/documentsui/Display.java b/src/com/android/documentsui/Display.java
index bae2d58..d46a3ea 100644
--- a/src/com/android/documentsui/Display.java
+++ b/src/com/android/documentsui/Display.java
@@ -20,13 +20,15 @@
 import android.content.Context;
 import android.graphics.Point;
 import android.util.TypedValue;
+import android.view.WindowManager;
+import android.widget.Toolbar;
 
 /*
  * Convenience class for getting display related attributes
  */
 public final class Display {
     /*
-     * Returns the screen width in pixels.
+     * Returns the screen width in raw pixels.
      */
     public static float screenWidth(Activity activity) {
         Point size = new Point();
@@ -42,15 +44,44 @@
     }
 
     /*
-     * Returns action bar height in pixels.
+     * Returns action bar height in raw pixels.
      */
     public static float actionBarHeight(Context context) {
-        int actionBarHeight = 0;
+        int height = 0;
         TypedValue tv = new TypedValue();
         if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
-            actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
+            height = TypedValue.complexToDimensionPixelSize(tv.data,
                     context.getResources().getDisplayMetrics());
         }
-        return actionBarHeight;
+        return height;
+    }
+
+    /*
+     * Returns status bar height in raw pixels.
+     */
+    private static int statusBarHeight(Context context) {
+        int height = 0;
+        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen",
+                "android");
+        if (resourceId > 0) {
+            height = context.getResources().getDimensionPixelSize(resourceId);
+        }
+        return height;
+    }
+
+    /*
+     * Adjusts toolbar for the layout with translucent status bar. Increases the
+     * height of the toolbar and adds padding at the top to accommodate status bar visible above
+     * toolbar.
+     */
+    public static void adjustToolbar(Toolbar toolbar, Activity activity) {
+        if ((activity.getWindow().getAttributes().flags
+                & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) != 0) {
+            int statusBarHeight = Display.statusBarHeight(activity);
+            toolbar.getLayoutParams().height = (int) (Display.actionBarHeight(activity)
+                    + statusBarHeight);
+            toolbar.setPadding(toolbar.getPaddingLeft(), statusBarHeight, toolbar.getPaddingRight(),
+                    toolbar.getPaddingBottom());
+        }
     }
 }
diff --git a/src/com/android/documentsui/DrawerController.java b/src/com/android/documentsui/DrawerController.java
index 020f2c0..2dbb730 100644
--- a/src/com/android/documentsui/DrawerController.java
+++ b/src/com/android/documentsui/DrawerController.java
@@ -55,7 +55,7 @@
 
         View drawer = activity.findViewById(R.id.drawer_roots);
         Toolbar toolbar = (Toolbar) activity.findViewById(R.id.roots_toolbar);
-
+        Display.adjustToolbar(toolbar, activity);
         drawer.getLayoutParams().width = calculateDrawerWidth(activity);
 
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(