New hidden services management screen and database

app/build.gradle

@@ -28,7 +28,8 @@ android {
 
 dependencies {
     compile project(':orbotservice')
+
     compile 'com.android.support:support-v4:23.4.0'
     compile 'com.android.support:appcompat-v7:23.4.0'
-
+    compile 'com.android.support:design:23.4.0'
 }

app/src/main/AndroidManifest.xml

@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.torproject.android"
-      android:versionName="15.2.0-RC-8-multi"
-      android:versionCode="15208000"
     android:installLocation="auto"
-      >
+    android:versionCode="15208000"
-    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="23"/>
+    android:versionName="15.2.0-RC-8-multi">
+
+    <uses-sdk
+        android:minSdkVersion="16"
+        android:targetSdkVersion="23" />
     <!--
  <permission android:name="org.torproject.android.MANAGE_TOR" 
      android:label="@string/permission_manage_tor_label" 
@@ -15,95 +17,94 @@
 	<uses-permission android:name="org.torproject.android.MANAGE_TOR"/>
     -->
 
-	<uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.INTERNET" />
-	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.ACCESS_SUPERUSER" />
 
-    <application android:name="org.torproject.android.OrbotApp" android:icon="@drawable/ic_launcher"
+    <android:uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-     android:label="@string/app_name" 
+    <android:uses-permission android:name="android.permission.READ_PHONE_STATE" />
-     android:description="@string/app_description"
+    <android:uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-     android:configChanges="locale|orientation|screenSize"
+
-      android:theme="@style/DefaultTheme" 
+    <application
+        android:name=".OrbotApp"
         android:allowBackup="false"
         android:allowClearUserData="true"
-      android:largeHeap="false"
+        android:configChanges="locale|orientation|screenSize"
+        android:description="@string/app_description"
         android:hardwareAccelerated="false"
-
+        android:icon="@drawable/ic_launcher"
-     >
+        android:label="@string/app_name"
-      
+        android:largeHeap="false"
-        <activity android:name=".OrbotMainActivity" 
+        android:theme="@style/DefaultTheme">
+        <activity
+            android:name=".OrbotMainActivity"
             android:configChanges="orientation|screenSize"
             android:excludeFromRecents="true"
-            android:launchMode="singleTop"
+            android:launchMode="singleTop">
-            >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
-          
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
+
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
+
                 <data android:scheme="bridge" />
             </intent-filter>
-        
             <intent-filter>
                 <category android:name="android.intent.category.DEFAULT" />
+
                 <action android:name="org.torproject.android.REQUEST_HS_PORT" />
             </intent-filter>
             <intent-filter>
                 <category android:name="android.intent.category.DEFAULT" />
+
                 <action android:name="org.torproject.android.START_TOR" />
             </intent-filter>
-            
         </activity>
 
-        <!-- 
+        <!--         This is for ensuring the background service still runs when/if the app is swiped away -->
-        This is for ensuring the background service still runs when/if the app is swiped away
-         -->
         <activity
             android:name=".service.util.DummyActivity"
-			android:theme="@android:style/Theme.Translucent"
-			android:enabled="true"
             android:allowTaskReparenting="true"
-			android:noHistory="true"
-			android:excludeFromRecents="true"
             android:alwaysRetainTaskState="false"
-			android:stateNotNeeded="true"
             android:clearTaskOnLaunch="true"
+            android:enabled="true"
+            android:excludeFromRecents="true"
             android:finishOnTaskLaunch="true"
-			
+            android:noHistory="true"
-			/> 
+            android:stateNotNeeded="true"
-		
+            android:theme="@android:style/Theme.Translucent" />
         <activity
-			android:name=".vpn.VPNEnableActivity" android:label="@string/app_name" android:exported="false"
+            android:name=".vpn.VPNEnableActivity"
-			/>
+            android:exported="false"
-		
+            android:label="@string/app_name" />
-			      	
+        <activity
-      	<activity android:name="org.torproject.android.ui.PromoAppsActivity" android:exported="false"/>
+            android:name=".ui.PromoAppsActivity"
-      	
+            android:exported="false" />
-      	
+        <activity
-      	<activity android:name=".settings.SettingsPreferences"  android:label="@string/app_name"/>
+            android:name=".settings.SettingsPreferences"
-        <activity android:name=".ui.AppManager"  android:label="@string/app_name"
+            android:label="@string/app_name" />
-			android:theme="@style/Theme.AppCompat"
+        <activity
-			/>
+            android:name=".ui.AppManager"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.AppCompat" />
 
         <service
             android:name=".service.TorService"
             android:enabled="true"
             android:permission="android.permission.BIND_VPN_SERVICE"
-            android:stopWithTask="false" >
+            android:stopWithTask="false" />
-        </service>
-
-
         <service
             android:name=".service.vpn.TorVpnService"
             android:enabled="true"
-			android:permission="android.permission.BIND_VPN_SERVICE" >
+            android:permission="android.permission.BIND_VPN_SERVICE">
             <intent-filter>
-				<action android:name="android.net.VpnService"/>
+                <action android:name="android.net.VpnService" />
             </intent-filter>
         </service>
 
@@ -114,24 +115,36 @@
                 <action android:name="org.torproject.android.intent.action.START" />
             </intent-filter>
         </receiver>
-
+        <receiver
-   	<receiver android:name=".OnBootReceiver"
+            android:name=".OnBootReceiver"
-   	    android:enabled="true" android:exported="true"
+            android:enabled="true"
-   	    
+            android:exported="true">
-   	    >
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
+
                 <category android:name="android.intent.category.HOME" />
             </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.QUICKBOOT_POWERON" />
+
                 <category android:name="android.intent.category.HOME" />
             </intent-filter>
             <intent-filter>
-				<action android:name="android.intent.action.MEDIA_MOUNTED"/>
+                <action android:name="android.intent.action.MEDIA_MOUNTED" />
+
                 <category android:name="android.intent.category.HOME" />
             </intent-filter>
         </receiver>
 
-</application>
+        <activity
+            android:name=".ui.hs.HiddenServicesActivity"
+            android:label="@string/title_activity_hidden_services"
+            android:theme="@style/DefaultTheme" />
+
+        <provider
+            android:name=".ui.hs.providers.HSContentProvider"
+            android:exported="false"
+            android:authorities="org.torproject.android.ui.hs.providers" />
+    </application>
+
 </manifest>

app/src/main/java/org/torproject/android/OrbotMainActivity.java

@@ -23,6 +23,7 @@ import org.torproject.android.service.TorServiceConstants;
 import org.torproject.android.service.util.TorServiceUtils;
 import org.torproject.android.settings.SettingsPreferences;
 import org.torproject.android.ui.AppManager;
+import org.torproject.android.ui.hs.HiddenServicesActivity;
 import org.torproject.android.ui.ImageProgressView;
 import org.torproject.android.ui.PromoAppsActivity;
 import org.torproject.android.ui.Rotate3dAnimation;
@@ -478,6 +479,10 @@ public class OrbotMainActivity extends AppCompatActivity
 					}
      		}
 
+         }
+         else if (item.getItemId() == R.id.menu_hidden_services)
+         {
+             startActivity(new Intent(this, HiddenServicesActivity.class));
          }
      
 		return super.onOptionsItemSelected(item);

app/src/main/java/org/torproject/android/settings/SettingsPreferences.java

@@ -37,9 +37,6 @@ public class SettingsPreferences
 	private Preference prefTransProxyFlush = null;
 	
 	private Preference prefTransProxyApps = null;
-    private CheckBoxPreference prefHiddenServices = null;
-    private EditTextPreference prefHiddenServicesPorts;
-    private EditTextPreference prefHiddenServicesHostname;
 	private CheckBoxPreference prefRequestRoot = null;
 	private ListPreference prefLocale = null;
 	
@@ -104,10 +101,6 @@ public class SettingsPreferences
         prefTransProxyApps.setOnPreferenceClickListener(this);
         prefCBTransProxy.setOnPreferenceClickListener(this);
         prefcBTransProxyAll.setOnPreferenceClickListener(this);
-        prefHiddenServices = (CheckBoxPreference) findPreference("pref_hs_enable");
-        prefHiddenServices.setOnPreferenceClickListener(this);
-        prefHiddenServicesHostname = (EditTextPreference) findPreference("pref_hs_hostname");
-        
 
         prefCBTransProxy.setEnabled(prefRequestRoot.isChecked());
         prefcBTransProxyAll.setEnabled(prefCBTransProxy.isChecked());
@@ -116,10 +109,6 @@ public class SettingsPreferences
         if (prefCBTransProxy.isChecked())
         	prefTransProxyApps.setEnabled((!prefcBTransProxyAll.isChecked()));
 
-        prefHiddenServicesPorts = (EditTextPreference) findPreference("pref_hs_ports");
-        prefHiddenServicesHostname.setEnabled(prefHiddenServices.isChecked());
-        prefHiddenServicesPorts.setEnabled(prefHiddenServices.isChecked());
-        
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
         {
        	 	prefTransProxyApps.setEnabled(true);
@@ -153,11 +142,6 @@ public class SettingsPreferences
 		{
 			startActivity(new Intent(this, AppManager.class));
 			
-		}
-		else if (preference == prefHiddenServices)
-		{
-	        prefHiddenServicesPorts.setEnabled(prefHiddenServices.isChecked());
-	        prefHiddenServicesHostname.setEnabled(prefHiddenServices.isChecked());
 		}
 		else
 		{

app/src/main/java/org/torproject/android/ui/hs/HiddenServicesActivity.java

@@ -0,0 +1,76 @@
+package org.torproject.android.ui.hs;
+
+import android.content.ContentResolver;
+import android.database.ContentObserver;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+
+import org.torproject.android.R;
+import org.torproject.android.ui.hs.adapters.HSAdapter;
+import org.torproject.android.ui.hs.providers.HSContentProvider;
+
+public class HiddenServicesActivity extends AppCompatActivity {
+    private HSAdapter mHiddenServices;
+    private ContentResolver mCR;
+    private HSObserver mHSObserver;
+    private String[] mProjection = new String[]{
+            HSContentProvider.HiddenService._ID,
+            HSContentProvider.HiddenService.NAME,
+            HSContentProvider.HiddenService.DOMAIN,
+            HSContentProvider.HiddenService.PORT};
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_hidden_services);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+
+        mCR = getContentResolver();
+        // View adapter
+        mHiddenServices = new HSAdapter(
+                mCR.query(
+                        HSContentProvider.CONTENT_URI, mProjection, null, null, null
+                ));
+
+        mHSObserver = new HSObserver(new Handler());
+        mCR.registerContentObserver(HSContentProvider.CONTENT_URI, true, mHSObserver);
+
+        // Fill view
+        RecyclerView mRecyclerView = (RecyclerView) findViewById(R.id.onion_list);
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
+        mRecyclerView.setAdapter(mHiddenServices);
+    }
+
+    class HSObserver extends ContentObserver {
+        public HSObserver(Handler handler) {
+            super(handler);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            // New data
+            mHiddenServices.changeCursor(mCR.query(
+                    HSContentProvider.CONTENT_URI, mProjection, null, null, null
+            ));
+        }
+
+    }
+
+}

app/src/main/java/org/torproject/android/ui/hs/adapters/CursorRecyclerViewAdapter.java

@@ -0,0 +1,144 @@
+package org.torproject.android.ui.hs.adapters;
+
+/*
+ * Copyright (C) 2014 skyfish.jy@gmail.com
+ *
+ * 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.
+ *
+ */
+
+import android.database.Cursor;
+import android.database.DataSetObserver;
+import android.support.v7.widget.RecyclerView;
+
+/**
+ * Created by skyfishjy on 10/31/14.
+ */
+
+public abstract class CursorRecyclerViewAdapter<VH extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<VH> {
+
+    private Cursor mCursor;
+
+    private boolean mDataValid;
+
+    private int mRowIdColumn;
+
+    private DataSetObserver mDataSetObserver;
+
+    public CursorRecyclerViewAdapter(Cursor cursor) {
+        mCursor = cursor;
+        mDataValid = cursor != null;
+        mRowIdColumn = mDataValid ? mCursor.getColumnIndex("_id") : -1;
+        mDataSetObserver = new NotifyingDataSetObserver();
+        if (mCursor != null) {
+            mCursor.registerDataSetObserver(mDataSetObserver);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        if (mDataValid && mCursor != null) {
+            return mCursor.getCount();
+        }
+        return 0;
+    }
+
+    @Override
+    public long getItemId(int position) {
+        if (mDataValid && mCursor != null && mCursor.moveToPosition(position)) {
+            return mCursor.getLong(mRowIdColumn);
+        }
+        return 0;
+    }
+
+    @Override
+    public void setHasStableIds(boolean hasStableIds) {
+        super.setHasStableIds(true);
+    }
+
+    public abstract void onBindViewHolder(VH viewHolder, Cursor cursor);
+
+    @Override
+    public void onBindViewHolder(VH viewHolder, int position) {
+        if (!mDataValid) {
+            throw new IllegalStateException("this should only be called when the cursor is valid");
+        }
+        if (!mCursor.moveToPosition(position)) {
+            throw new IllegalStateException("couldn't move cursor to position " + position);
+        }
+        onBindViewHolder(viewHolder, mCursor);
+    }
+
+    /**
+     * Change the underlying cursor to a new cursor. If there is an existing cursor it will be
+     * closed.
+     */
+    public void changeCursor(Cursor cursor) {
+        Cursor old = swapCursor(cursor);
+        if (old != null) {
+            old.close();
+        }
+    }
+
+    public void closeCursor() {
+        mCursor.unregisterDataSetObserver(mDataSetObserver);
+        mCursor.close();
+    }
+
+    /**
+     * Swap in a new Cursor, returning the old Cursor.  Unlike
+     * {@link #changeCursor(Cursor)}, the returned old Cursor is <em>not</em>
+     * closed.
+     */
+    private Cursor swapCursor(Cursor newCursor) {
+        if (newCursor == mCursor) {
+            return null;
+        }
+        final Cursor oldCursor = mCursor;
+        if (oldCursor != null && mDataSetObserver != null) {
+            oldCursor.unregisterDataSetObserver(mDataSetObserver);
+        }
+        mCursor = newCursor;
+        if (mCursor != null) {
+            if (mDataSetObserver != null) {
+                mCursor.registerDataSetObserver(mDataSetObserver);
+            }
+            mRowIdColumn = newCursor.getColumnIndexOrThrow("_id");
+            mDataValid = true;
+            notifyDataSetChanged();
+        } else {
+            mRowIdColumn = -1;
+            mDataValid = false;
+            notifyDataSetChanged();
+            //There is no notifyDataSetInvalidated() method in RecyclerView.Adapter
+        }
+        return oldCursor;
+    }
+
+    private class NotifyingDataSetObserver extends DataSetObserver {
+        @Override
+        public void onChanged() {
+            super.onChanged();
+            mDataValid = true;
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public void onInvalidated() {
+            super.onInvalidated();
+            mDataValid = false;
+            notifyDataSetChanged();
+            //There is no notifyDataSetInvalidated() method in RecyclerView.Adapter
+        }
+    }
+}

app/src/main/java/org/torproject/android/ui/hs/adapters/HSAdapter.java

@@ -0,0 +1,54 @@
+package org.torproject.android.ui.hs.adapters;
+
+import android.database.Cursor;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import org.torproject.android.R;
+import org.torproject.android.ui.hs.providers.HSContentProvider;
+
+public class HSAdapter extends CursorRecyclerViewAdapter<HSAdapter.ViewHolder> {
+
+    public HSAdapter(Cursor cursor) {
+        super(cursor);
+    }
+
+    @Override
+    public HSAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View v = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.onion_item, parent, false);
+
+        ViewHolder vh = new ViewHolder(v);
+
+        return vh;
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder viewHolder, Cursor cursor) {
+        viewHolder.id = cursor.getInt(cursor.getColumnIndex(HSContentProvider.HiddenService._ID));
+
+        String name_string = cursor.getString(cursor.getColumnIndex(HSContentProvider.HiddenService.NAME));
+        Integer port = cursor.getInt(cursor.getColumnIndex(HSContentProvider.HiddenService.PORT));
+
+        viewHolder.name.setText(name_string + ": " + port.toString());
+
+        viewHolder.domain.setText(
+                cursor.getString(cursor.getColumnIndex(HSContentProvider.HiddenService.DOMAIN))
+        );
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        TextView name;
+        TextView domain;
+        Integer id;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            name = (TextView) itemView.findViewById(R.id.hs_name);
+            domain = (TextView) itemView.findViewById(R.id.hs_onion);
+        }
+    }
+}

app/src/main/java/org/torproject/android/ui/hs/database/HSDatabase.java

@@ -0,0 +1,33 @@
+package org.torproject.android.ui.hs.database;
+
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class HSDatabase extends SQLiteOpenHelper {
+
+    public static final String HS_DATA_TABLE_NAME = "hs_data";
+    private static final int DATABASE_VERSION = 2;
+    private static final String DATABASE_NAME = "hidden_services";
+    private static final String HS_DATA_TABLE_CREATE =
+            "CREATE TABLE " + HS_DATA_TABLE_NAME + " (" +
+                    "_id INTEGER PRIMARY KEY AUTOINCREMENT, " +
+                    "name TEXT, " +
+                    "domain TEXT, " +
+                    "port INTEGER);";
+
+    public HSDatabase(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(HS_DATA_TABLE_CREATE);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    }
+}
+

app/src/main/java/org/torproject/android/ui/hs/providers/HSContentProvider.java

@@ -0,0 +1,121 @@
+package org.torproject.android.ui.hs.providers;
+
+import android.content.ContentProvider;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
+import android.provider.BaseColumns;
+import android.support.annotation.Nullable;
+
+import org.torproject.android.ui.hs.database.HSDatabase;
+
+
+public class HSContentProvider extends ContentProvider {
+    private static final String AUTH = "org.torproject.android.ui.hs.providers";
+    public static final Uri CONTENT_URI =
+            Uri.parse("content://" + AUTH + "/hs");
+    //UriMatcher
+    private static final int ONIONS = 1;
+    private static final int ONION_ID = 2;
+
+    private static final UriMatcher uriMatcher;
+
+    //Inicializamos el UriMatcher
+    static {
+        uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+        uriMatcher.addURI(AUTH, "hs", ONIONS);
+        uriMatcher.addURI(AUTH, "hs/#", ONION_ID);
+    }
+
+    private HSDatabase mServerDB;
+    private Context mContext;
+
+    @Override
+    public boolean onCreate() {
+        mContext = getContext();
+        mServerDB = new HSDatabase(mContext);
+        return true;
+    }
+
+    @Nullable
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
+        //Si es una consulta a un ID concreto construimos el WHERE
+        String where = selection;
+        if (uriMatcher.match(uri) == ONION_ID) {
+            where = "_id=" + uri.getLastPathSegment();
+        }
+
+        SQLiteDatabase db = mServerDB.getReadableDatabase();
+
+        return db.query(HSDatabase.HS_DATA_TABLE_NAME, projection, where,
+                selectionArgs, null, null, sortOrder);
+    }
+
+    @Nullable
+    @Override
+    public String getType(Uri uri) {
+        int match = uriMatcher.match(uri);
+
+        switch (match) {
+            case ONIONS:
+                return "vnd.android.cursor.dir/vnd.torproject.onions";
+            case ONION_ID:
+                return "vnd.android.cursor.item/vnd.torproject.onion";
+            default:
+                return null;
+        }
+    }
+
+    @Nullable
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        long regId;
+
+        SQLiteDatabase db = mServerDB.getWritableDatabase();
+
+        regId = db.insert(HSDatabase.HS_DATA_TABLE_NAME, null, values);
+
+        mContext.getContentResolver().notifyChange(CONTENT_URI, null);
+
+        return ContentUris.withAppendedId(CONTENT_URI, regId);
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+
+        //Si es una consulta a un ID concreto construimos el WHERE
+        String where = selection;
+        if (uriMatcher.match(uri) == ONION_ID) {
+            where = "_id=" + uri.getLastPathSegment();
+        }
+
+        SQLiteDatabase db = mServerDB.getWritableDatabase();
+
+        Integer rows = db.delete(HSDatabase.HS_DATA_TABLE_NAME, where, selectionArgs);
+
+        mContext.getContentResolver().notifyChange(CONTENT_URI, null);
+
+        return rows;
+
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        return 0;
+    }
+
+    public static final class HiddenService implements BaseColumns {
+        //Nombres de columnas
+        public static final String NAME = "name";
+        public static final String PORT = "port";
+        public static final String DOMAIN = "domain";
+
+        private HiddenService() {
+        }
+    }
+}

app/src/main/res/layout-v21/onion_item.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="5dp">
+
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/hs_name" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/hs_onion" />
+    </LinearLayout>
+
+</LinearLayout>

app/src/main/res/layout/activity_hidden_services.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:context="org.torproject.android.ui.hs.HiddenServicesActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/DefaultTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/DefaultTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_hidden_services" />
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@android:drawable/stat_notify_more" />
+
+</android.support.design.widget.CoordinatorLayout>

app/src/main/res/layout/content_hidden_services.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/content_hidden_services"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context="org.torproject.android.ui.hs.HiddenServicesActivity"
+    tools:showIn="@layout/activity_hidden_services">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/onion_list"
+        android:scrollbars="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</RelativeLayout>

app/src/main/res/menu/orbot_main.xml

@@ -44,6 +44,10 @@
   </menu>
  </item>
 
+    <item android:id="@+id/menu_hidden_services"
+        android:title="@string/menu_hidden_services"
+        yourapp:showAsAction="never"
+        />
         
  <!--
   <item android:id="@+id/menu_promo_apps"

app/src/main/res/values-v21/styles.xml

@@ -0,0 +1 @@
+<resources></resources>

app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

app/src/main/res/values/dimens.xml

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?><!--
-<!--
 /* //device/apps/common/assets/res/any/dimens.xml
 **
 ** Copyright 2006, The Android Open Source Project
@@ -118,26 +117,27 @@
     <!-- The platform's desired minimum size for a dialog's width when it
          is along the major axis (that is the screen is landscape).  This may
          be either a fraction or a dimension. -->
-    <item type="dimen" name="dialog_min_width_major">65%</item>
+    <item name="dialog_min_width_major" type="dimen">65%</item>
 
     <!-- The platform's desired fixed width for a dialog along the major axis
          (the screen is in landscape). This may be either a fraction or a dimension.-->
-    <item type="dimen" name="dialog_fixed_width_major">320dp</item>
+    <item name="dialog_fixed_width_major" type="dimen">320dp</item>
     <!-- The platform's desired fixed width for a dialog along the minor axis
          (the screen is in portrait). This may be either a fraction or a dimension.-->
-    <item type="dimen" name="dialog_fixed_width_minor">320dp</item>
+    <item name="dialog_fixed_width_minor" type="dimen">320dp</item>
     <!-- The platform's desired fixed height for a dialog along the major axis
          (the screen is in portrait). This may be either a fraction or a dimension.-->
-    <item type="dimen" name="dialog_fixed_height_major">80%</item>
+    <item name="dialog_fixed_height_major" type="dimen">80%</item>
     <!-- The platform's desired fixed height for a dialog along the minor axis
          (the screen is in landscape). This may be either a fraction or a dimension.-->
-    <item type="dimen" name="dialog_fixed_height_minor">100%</item>
+    <item name="dialog_fixed_height_minor" type="dimen">100%</item>
 
     <!-- Preference activity, vertical padding for the header list -->
     <dimen name="preference_screen_header_vertical_padding">0dp</dimen>
 
     <dimen name="preference_screen_header_padding_side">16dip</dimen>
-    <integer name="preference_screen_header_scrollbarStyle">0x02000000</integer> <!-- outsideOverlay -->
+    <integer name="preference_screen_header_scrollbarStyle">0x02000000
+    </integer> <!-- outsideOverlay -->
 
     <integer name="preference_fragment_scrollbarStyle">0x02000000</integer> <!-- outsideOverlay -->
 
@@ -148,7 +148,7 @@
     <!-- The platform's desired minimum size for a dialog's width when it
          is along the minor axis (that is the screen is portrait).  This may
          be either a fraction or a dimension. -->
-    <item type="dimen" name="dialog_min_width_minor">95%</item>
+    <item name="dialog_min_width_minor" type="dimen">95%</item>
 
     <!-- The width of the big icons in notifications. -->
     <dimen name="notification_large_icon_width">64dp</dimen>
@@ -358,4 +358,8 @@
 
     <!-- width of ImmersiveModeConfirmation (-1 for match_parent) -->
     <dimen name="immersive_mode_cling_width">-1px</dimen>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
 </resources>

app/src/main/res/values/strings.xml

@@ -89,7 +89,6 @@
     <!--END Welcome Wizard strings (DJH)-->
     <string name="connect_first_time">You\'ve successfully connected to the Tor network - but this does NOT mean your device is secure. You can use the \'Browser\' button to test your connection. \n\nVisit us at https://guardianproject.info/apps/orbot or send an email to help@guardianproject.info to learn more.</string>
     <string name="tor_check">This will open your web browser to https://check.torproject.org in order to see if Orbot is probably configured and you are connected to Tor.</string>
-  <string name="pref_hs_group">Hidden Service Hosting</string>
     <string name="pref_general_group">General</string>
     <string name="pref_start_boot_title">Start Orbot on Boot</string>
     <string name="pref_start_boot_summary">Automatically start Orbot and connect Tor when your Android device boots</string>
@@ -156,7 +155,6 @@
     <string name="pref_proxy_password_dialog">Enter Proxy Password</string>
 
 
-  
     <string name="status">Status</string>
     <string name="setting_up_full_transparent_proxying_">Setting up full transparent proxying&#8230;</string>
     <string name="setting_up_app_based_transparent_proxying_">Setting up app-based transparent proxying&#8230;</string>
@@ -202,11 +200,7 @@
     <string name="reachable_ports">Reachable ports</string>
     <string name="ports_reachable_behind_a_restrictive_firewall">Ports reachable behind a restrictive firewall</string>
     <string name="enter_ports">Enter ports</string>
-  <string name="enable_hidden_services">Hidden Service Hosting</string>
+    <string name="menu_hidden_services">Hidden Services</string>
-  <string name="run_servers_accessible_via_the_tor_network">allow on-device server to be accessible via the Tor network</string>
-  <string name="enter_localhost_ports_for_hidden_services">enter localhost ports for hidden services</string>
-  <string name="hidden_service_ports">Hidden Service Ports</string>
-  <string name="the_addressable_name_for_your_hidden_service_generated_automatically_">the addressable name for your hidden service (generated automatically)</string>
     <string name="enable_debug_log_to_output_must_use_adb_or_alogcat_to_view_">enable debug log to output (must use adb or aLogCat to view)</string>
     <string name="project_home">Project Home(s): </string>
     <string name="project_urls">https://www.torproject.org/docs/android\nhttps://guardianproject.info/apps/orbot/</string>
@@ -237,7 +231,7 @@
     <string name="pref_use_expanded_notifications_title">Expanded Notifications</string>
 
     <string name="notification_using_bridges">Bridges enabled!</string>
-  <string name="default_bridges"/>
+    <string name="default_bridges" />
     <string name="set_locale_title">Language</string>
     <string name="set_locale_summary">Choose the locale and language for Orbot</string>
     <string name="wizard_locale_title">Choose Language</string>
@@ -336,4 +330,5 @@
     <string name="note_only_standard_tor_bridges_work_on_intel_x86_atom_devices">NOTE: Only standard Tor bridges work on Intel X86/ATOM devices</string>
 
     <string name="vpn_default_world">World (Location)</string>
+    <string name="title_activity_hidden_services">Hidden Services</string>
 </resources>

app/src/main/res/values/styles.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+
     <style name="NotificationText" parent="android:TextAppearance.StatusBar.EventContent" />
+
     <style name="NotificationTitle" parent="android:TextAppearance.StatusBar.EventContent.Title" />
+
+    <style name="DefaultTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="DefaultTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 </resources>

app/src/main/res/xml/preferences.xml

@@ -157,17 +157,6 @@ android:dialogTitle="@string/enter_ports"
 />
 </PreferenceCategory>
 
-<PreferenceCategory android:title="@string/pref_hs_group">
-<CheckBoxPreference android:title="@string/enable_hidden_services" 
-android:summary="@string/run_servers_accessible_via_the_tor_network" android:key="pref_hs_enable"></CheckBoxPreference>
-<EditTextPreference android:summary="@string/enter_localhost_ports_for_hidden_services" 
-android:title="@string/hidden_service_ports" android:enabled="false" android:key="pref_hs_ports"></EditTextPreference>
-
-<EditTextPreference android:key="pref_hs_hostname" 
-android:summary="@string/the_addressable_name_for_your_hidden_service_generated_automatically_" 
-android:title=".Onion Hostname"></EditTextPreference>
-</PreferenceCategory>
-
 <PreferenceCategory android:title="@string/pref_proxy_title">
 <EditTextPreference android:key="pref_proxy_type"
 android:title="@string/pref_proxy_type_title"