Depend on support lib preferences

Bug: 24576551
Change-Id: Ic6190bacd3f7582c9bbc8de972da4612bd92421e

src/com/android/settings/PreferenceActivity.java

@@ -0,0 +1,75 @@
+/*
+ * 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.
+ */
+package com.android.settings;
+
+import android.annotation.Nullable;
+import android.os.Bundle;
+import android.support.v14.preference.PreferenceFragment;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+public class PreferenceActivity extends SettingsActivity {
+
+    private PreferenceActivityFragment mFragment;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        getIntent().putExtra(EXTRA_SHOW_FRAGMENT, PreferenceActivityFragment.class.getName());
+        super.onCreate(savedInstanceState);
+    }
+
+    public void addPreferencesFromResource(int resource) {
+        mFragment.addPreferencesFromResource(resource);
+    }
+
+    public Preference findPreference(String preference) {
+        return mFragment.findPreference(preference);
+    }
+
+    public PreferenceScreen getPreferenceScreen() {
+        return mFragment.getPreferenceScreen();
+    }
+
+    public void setPreferenceScreen(PreferenceScreen screen) {
+        mFragment.setPreferenceScreen(screen);
+    }
+
+    public boolean onPreferenceTreeClick(Preference preference) {
+        return false;
+    }
+
+    @Override
+    protected boolean isValidFragment(String fragmentName) {
+        return super.isValidFragment(fragmentName)
+                || PreferenceActivityFragment.class.getName().equals(fragmentName);
+    }
+
+    public static class PreferenceActivityFragment extends PreferenceFragment {
+        @Override
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+            ((PreferenceActivity) getActivity()).mFragment = this;
+        }
+
+        @Override
+        public boolean onPreferenceTreeClick(Preference preference) {
+            if (((PreferenceActivity) getActivity()).onPreferenceTreeClick(preference)) {
+                return true;
+            }
+            return super.onPreferenceTreeClick(preference);
+        }
+    }
+
+}