| /* |
| * 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 android.preference; |
| |
| import com.android.internal.R; |
| import com.android.layoutlib.bridge.android.BridgeContext; |
| import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ListView; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Delegate that provides implementation for native methods in {@link Preference} |
| * <p/> |
| * Through the layoutlib_create tool, selected methods of Preference have been replaced by calls to |
| * methods of the same name in this delegate class. |
| */ |
| public class Preference_Delegate { |
| |
| @LayoutlibDelegate |
| /*package*/ static View getView(Preference pref, View convertView, ViewGroup parent) { |
| Context context = pref.getContext(); |
| BridgeContext bc = context instanceof BridgeContext ? ((BridgeContext) context) : null; |
| convertView = pref.getView_Original(convertView, parent); |
| if (bc != null) { |
| Object cookie = bc.getCookie(pref); |
| if (cookie != null) { |
| bc.addViewKey(convertView, cookie); |
| } |
| } |
| return convertView; |
| } |
| |
| /** |
| * Inflates the parser and returns the ListView containing the Preferences. |
| */ |
| public static View inflatePreference(Context context, XmlPullParser parser, ViewGroup root) { |
| PreferenceManager pm = new PreferenceManager(context); |
| PreferenceScreen ps = pm.getPreferenceScreen(); |
| PreferenceInflater inflater = new BridgePreferenceInflater(context, pm); |
| ps = (PreferenceScreen) inflater.inflate(parser, ps, true); |
| ListView preferenceView = createContainerView(context, root); |
| ps.bind(preferenceView); |
| return preferenceView; |
| } |
| |
| private static ListView createContainerView(Context context, ViewGroup root) { |
| TypedArray a = context.obtainStyledAttributes(null, R.styleable.PreferenceFragment, |
| R.attr.preferenceFragmentStyle, 0); |
| int mLayoutResId = a.getResourceId(R.styleable.PreferenceFragment_layout, |
| R.layout.preference_list_fragment); |
| a.recycle(); |
| |
| LayoutInflater inflater = |
| (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| inflater.inflate(mLayoutResId, root, true); |
| |
| return (ListView) root.findViewById(android.R.id.list); |
| } |
| } |