Added SIP Demo to sample apps.

Change-Id: Id98b6e542e1be5b9822a696936e735406c08500f

samples/SipDemo/src/com/example/android/sip/SipSettings.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2010 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.example.android.sip;
+
+import android.os.Bundle;
+import android.preference.PreferenceActivity;
+
+/**
+ * Handles SIP authentication settings for the Walkie Talkie app.
+ */
+public class SipSettings extends PreferenceActivity {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        // Note that none of the preferences are actually defined here.
+        // They're all in the XML file res/xml/preferences.xml.
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.preferences);
+    }
+}