Adds a stable ids attribute for recycler views

bug:26877107
Change-Id: Ia1eb9646f887a6e0b61613997558d08da85d057b

4 files changed, 41 insertions, 8 deletions

diff --git a/library/full-support/res/values/attrs.xml b/library/full-support/res/values/attrs.xml
new file mode 100644
index 0000000..059da5f
--- /dev/null
+++ b/library/full-support/res/values/attrs.xml
@@ -0,0 +1,32 @@
+<?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.
+-->
+
+<resources>
+
+    <attr name="suwHasStableIds" format="boolean|reference" />
+
+    <declare-styleable name="SuwSetupWizardRecyclerItemsLayout">
+        <attr name="android:entries" />
+        <attr name="suwHasStableIds" />
+    </declare-styleable>
+
+    <declare-styleable name="SuwGlifRecyclerLayout">
+        <attr name="android:entries" />
+        <attr name="suwHasStableIds" />
+        <attr name="suwDividerInset" />
+    </declare-styleable>
+</resources>
diff --git a/library/full-support/src/com/android/setupwizardlib/GlifRecyclerLayout.java b/library/full-support/src/com/android/setupwizardlib/GlifRecyclerLayout.java
index 3b8f71a..fd8a974 100644
--- a/library/full-support/src/com/android/setupwizardlib/GlifRecyclerLayout.java
+++ b/library/full-support/src/com/android/setupwizardlib/GlifRecyclerLayout.java
@@ -81,7 +81,10 @@ public class GlifRecyclerLayout extends GlifLayout {
         final int xml = a.getResourceId(R.styleable.SuwGlifRecyclerLayout_android_entries, 0);
         if (xml != 0) {
             final ItemGroup inflated = (ItemGroup) new ItemInflater(context).inflate(xml);
-            setAdapter(new RecyclerItemAdapter(inflated));
+            RecyclerItemAdapter adapter = new RecyclerItemAdapter(inflated);
+            adapter.setHasStableIds(a.getBoolean(
+                    R.styleable.SuwGlifRecyclerLayout_suwHasStableIds, false));
+            setAdapter(adapter);
         }
         int dividerInset =
                 a.getDimensionPixelSize(R.styleable.SuwGlifRecyclerLayout_suwDividerInset, 0);
diff --git a/library/full-support/src/com/android/setupwizardlib/SetupWizardRecyclerItemsLayout.java b/library/full-support/src/com/android/setupwizardlib/SetupWizardRecyclerItemsLayout.java
index 0833ee9..97f6589 100644
--- a/library/full-support/src/com/android/setupwizardlib/SetupWizardRecyclerItemsLayout.java
+++ b/library/full-support/src/com/android/setupwizardlib/SetupWizardRecyclerItemsLayout.java
@@ -63,11 +63,14 @@ public class SetupWizardRecyclerItemsLayout extends SetupWizardLayout {
 
     private void init(Context context, AttributeSet attrs, int defStyleAttr) {
         final TypedArray a = context.obtainStyledAttributes(attrs,
-                R.styleable.SuwSetupWizardItemsLayout, defStyleAttr, 0);
-        final int xml = a.getResourceId(R.styleable.SuwSetupWizardItemsLayout_android_entries, 0);
+                R.styleable.SuwSetupWizardRecyclerItemsLayout, defStyleAttr, 0);
+        final int xml = a.getResourceId(
+                R.styleable.SuwSetupWizardRecyclerItemsLayout_android_entries, 0);
         if (xml != 0) {
             final ItemGroup inflated = (ItemGroup) new ItemInflater(context).inflate(xml);
             mAdapter = new RecyclerItemAdapter(inflated);
+            mAdapter.setHasStableIds(a.getBoolean(
+                    R.styleable.SuwSetupWizardRecyclerItemsLayout_suwHasStableIds, false));
             setAdapter(mAdapter);
         }
         a.recycle();
diff --git a/library/main/res/values/attrs.xml b/library/main/res/values/attrs.xml
index 734a470..d485650 100644
--- a/library/main/res/values/attrs.xml
+++ b/library/main/res/values/attrs.xml
@@ -56,11 +56,6 @@
         <attr name="suwDividerInset" />
     </declare-styleable>
 
-    <declare-styleable name="SuwGlifRecyclerLayout">
-        <attr name="android:entries" />
-        <attr name="suwDividerInset" />
-    </declare-styleable>
-
     <declare-styleable name="SuwStatusBarBackgroundLayout">
         <attr name="suwStatusBarBackground" format="color|reference" />
     </declare-styleable>