Merge "Fix default initial value for preferences" into lmp-dev

tools/layoutlib/bridge/src/android/preference/Preference_Delegate.java

@@ -42,11 +42,6 @@ public class Preference_Delegate {
 
     private static final Map<Preference, Object> sViewCookies = new HashMap<Preference, Object>();
 
-    @LayoutlibDelegate
-    /*package*/ static void dispatchSetInitialValue(Preference preference) {
-        // pass.
-    }
-
     @LayoutlibDelegate
     /*package*/ static View getView(Preference pref, View convertView, ViewGroup parent) {
         Context context = pref.getContext();

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java

@@ -120,8 +120,9 @@ public final class BridgeContext extends Context {
     private BridgeContentResolver mContentResolver;
 
     private final Stack<BridgeXmlBlockParser> mParserStack = new Stack<BridgeXmlBlockParser>();
+    private SharedPreferences mSharedPreferences;
 
-    /**
+  /**
      * @param projectKey An Object identifying the project. This is used for the cache mechanism.
      * @param metrics the {@link DisplayMetrics}.
      * @param renderResources the configured resources (both framework and projects) for this
@@ -1163,8 +1164,10 @@ public final class BridgeContext extends Context {
 
     @Override
     public SharedPreferences getSharedPreferences(String arg0, int arg1) {
-        // pass
+        if (mSharedPreferences == null) {
-        return null;
+            mSharedPreferences = new BridgeSharedPreferences();
+        }
+        return mSharedPreferences;
     }
 
     @Override

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeSharedPreferences.java

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+package com.android.layoutlib.bridge.android;
+
+import android.content.SharedPreferences;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * An empty shared preferences implementation which doesn't store anything. It always returns
+ * null, 0 or false.
+ */
+public class BridgeSharedPreferences implements SharedPreferences {
+    private Editor mEditor;
+
+    @Override
+    public Map<String, ?> getAll() {
+        return null;
+    }
+
+    @Override
+    public String getString(String key, String defValue) {
+        return null;
+    }
+
+    @Override
+    public Set<String> getStringSet(String key, Set<String> defValues) {
+        return null;
+    }
+
+    @Override
+    public int getInt(String key, int defValue) {
+        return 0;
+    }
+
+    @Override
+    public long getLong(String key, long defValue) {
+        return 0;
+    }
+
+    @Override
+    public float getFloat(String key, float defValue) {
+        return 0;
+    }
+
+    @Override
+    public boolean getBoolean(String key, boolean defValue) {
+        return false;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        return false;
+    }
+
+    @Override
+    public Editor edit() {
+        if (mEditor != null) {
+            return mEditor;
+        }
+        mEditor = new Editor() {
+            @Override
+            public Editor putString(String key, String value) {
+                return null;
+            }
+
+            @Override
+            public Editor putStringSet(String key, Set<String> values) {
+                return null;
+            }
+
+            @Override
+            public Editor putInt(String key, int value) {
+                return null;
+            }
+
+            @Override
+            public Editor putLong(String key, long value) {
+                return null;
+            }
+
+            @Override
+            public Editor putFloat(String key, float value) {
+                return null;
+            }
+
+            @Override
+            public Editor putBoolean(String key, boolean value) {
+                return null;
+            }
+
+            @Override
+            public Editor remove(String key) {
+                return null;
+            }
+
+            @Override
+            public Editor clear() {
+                return null;
+            }
+
+            @Override
+            public boolean commit() {
+                return false;
+            }
+
+            @Override
+            public void apply() {
+            }
+        };
+        return mEditor;
+    }
+
+    @Override
+    public void registerOnSharedPreferenceChangeListener(
+            OnSharedPreferenceChangeListener listener) {
+    }
+
+    @Override
+    public void unregisterOnSharedPreferenceChangeListener(
+            OnSharedPreferenceChangeListener listener) {
+    }
+}

tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java

@@ -152,7 +152,6 @@ public final class CreateInfo implements ICreateInfo {
         "android.graphics.Typeface#getSystemFontConfigLocation",
         "android.os.Handler#sendMessageAtTime",
         "android.os.HandlerThread#run",
-        "android.preference.Preference#dispatchSetInitialValue",
         "android.preference.Preference#getView",
         "android.text.format.DateFormat#is24HourFormat",
         "android.util.Xml#newPullParser",