[ScreenLock] Style encryption interstitial in SUW

When running in setup wizard, style the encryption interstitial using
styles from Setup Wizard library, to be consistent with the rest of
the setup flow.

Bug: 22587892
Change-Id: I3787643139ec4189f16e0046875fe3a688c8060b

res/layout/setup_encryption_interstitial.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License
+-->
+
+<com.android.setupwizardlib.SetupWizardLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/setup_wizard_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    settings:suwBackgroundTile="@drawable/setup_illustration_tile"
+    settings:suwHeaderText="@string/encryption_interstitial_header"
+    settings:suwIllustrationHorizontalTile="@drawable/setup_illustration_horizontal_tile"
+    settings:suwIllustrationImage="@drawable/setup_illustration_lock_screen">
+
+    <LinearLayout
+        style="@style/SuwContentFrame"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/encryption_message"
+            style="@style/SuwDescription"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <RadioGroup
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:checkedButton="@+id/encrypt_require_password">
+
+            <RadioButton
+                android:id="@+id/encrypt_require_password"
+                style="@style/SuwRadioButton"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <RadioButton
+                android:id="@+id/encrypt_dont_require_password"
+                style="@style/SuwRadioButton"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+        </RadioGroup>
+
+    </LinearLayout>
+
+</com.android.setupwizardlib.SetupWizardLayout>

src/com/android/settings/EncryptionInterstitial.java

@@ -87,8 +87,12 @@ public class EncryptionInterstitial extends SettingsActivity {
         @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
-            final int layoutId = R.layout.encryption_interstitial;
+            return inflater.inflate(R.layout.encryption_interstitial, container, false);
-            View view = inflater.inflate(layoutId, container, false);
+        }
+
+        @Override
+        public void onViewCreated(View view, Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
             mRequirePasswordToDecryptButton =
                     (RadioButton) view.findViewById(R.id.encrypt_require_password);
             mDontRequirePasswordToDecryptButton =
@@ -135,7 +139,6 @@ public class EncryptionInterstitial extends SettingsActivity {
 
             setRequirePasswordState(getActivity().getIntent().getBooleanExtra(
                     EXTRA_REQUIRE_PASSWORD, true));
-            return view;
         }
 
         @Override

src/com/android/settings/SetupEncryptionInterstitial.java

@@ -72,22 +72,24 @@ public class SetupEncryptionInterstitial extends EncryptionInterstitial {
         @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
-            final SetupWizardLayout layout = new SetupWizardLayout(inflater.getContext());
+            return inflater.inflate(R.layout.setup_encryption_interstitial, container, false);
-            layout.setIllustration(R.drawable.setup_illustration_lock_screen,
+        }
-                    R.drawable.setup_illustration_horizontal_tile);
-            layout.setBackgroundTile(R.drawable.setup_illustration_tile);
-            layout.setHeaderText(R.string.encryption_interstitial_header);
 
-            View content = super.onCreateView(inflater, layout, savedInstanceState);
+        @Override
-            layout.addView(content);
+        public void onViewCreated(View view, Bundle savedInstanceState) {
-            layout.getNavigationBar().setNavigationBarListener(this);
+            super.onViewCreated(view, savedInstanceState);
+
+            final SetupWizardLayout layout =
+                    (SetupWizardLayout) view.findViewById(R.id.setup_wizard_layout);
+
+            final NavigationBar navigationBar = layout.getNavigationBar();
+            navigationBar.setNavigationBarListener(this);
 
             Activity activity = getActivity();
             if (activity != null) {
                 activity.setTitle(R.string.encryption_interstitial_header);
                 SetupWizardUtils.setImmersiveMode(activity);
             }
-            return layout;
         }
 
         @Override