Initial check-in for WifiRtt Sample with permission screens (only two
java files).

Bug: 111830148
Test: Manually tested.
Change-Id: I34d9db2d3feccf8496c791c189304c7ec8163eec
diff --git a/connectivity/wifirtt/WifiRttScan/Application/.gitignore b/connectivity/wifirtt/WifiRttScan/Application/.gitignore
new file mode 100644
index 0000000..6eb878d
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/.gitignore
@@ -0,0 +1,16 @@
+# Copyright 2013 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.
+src/template/
+src/common/
+build.gradle
diff --git a/connectivity/wifirtt/WifiRttScan/Application/proguard-project.txt b/connectivity/wifirtt/WifiRttScan/Application/proguard-project.txt
new file mode 100644
index 0000000..1aa21e6
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/proguard-project.txt
@@ -0,0 +1,34 @@
+# Copyright 2018 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.
+
+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/AndroidManifest.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..59a56af
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/AndroidManifest.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2013 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.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.wifirttscan"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <uses-feature android:name="android.hardware.wifi.rtt" />
+
+    <!-- Permissions required for Wifi RTT. -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/CustomAppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".LocationPermissionRequestActivity"
+            android:label="@string/title_activity_location_permission_request"
+            android:theme="@style/CustomAppTheme.NoActionBar" >
+        </activity>
+    </application>
+
+</manifest>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/LocationPermissionRequestActivity.java b/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/LocationPermissionRequestActivity.java
new file mode 100644
index 0000000..691109b
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/LocationPermissionRequestActivity.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2018 Google Inc. All Rights Reserved.
+ *
+ * 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.wifirttscan;
+
+import android.Manifest;
+import android.Manifest.permission;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.ActivityCompat;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.view.View;
+
+/**
+ * This is a simple splash screen (activity) for giving more details on why the user should approve
+ * fine location permissions. If they choose to move forward, the permission screen is
+ * brought up. Either way (approve or disapprove), this will exit to the MainActivity after they are
+ * finished with their final decision.
+ */
+public class LocationPermissionRequestActivity extends AppCompatActivity
+        implements ActivityCompat.OnRequestPermissionsResultCallback {
+
+    private static final String TAG = "LocationRationale";
+
+    /* Id to identify Location permission request. */
+    private static final int PERMISSION_REQUEST_FINE_LOCATION = 1;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // If permissions granted, we start the main activity (shut this activity down).
+        if (ActivityCompat.checkSelfPermission(this, permission.ACCESS_FINE_LOCATION)
+                == PackageManager.PERMISSION_GRANTED) {
+            finish();
+        }
+
+        setContentView(R.layout.activity_location_permission_request);
+    }
+
+    public void onClickApprovePermissionRequest(View view) {
+        Log.d(TAG, "onClickApprovePermissionRequest()");
+
+        // On 23+ (M+) devices, fine location permission not granted. Request permission.
+        ActivityCompat.requestPermissions(
+                this,
+                new String[] {Manifest.permission.ACCESS_FINE_LOCATION},
+                PERMISSION_REQUEST_FINE_LOCATION);
+    }
+
+    public void onClickDenyPermissionRequest(View view) {
+        Log.d(TAG, "onClickDenyPermissionRequest()");
+        finish();
+    }
+
+    /*
+     * Callback received when a permissions request has been completed.
+     */
+    @Override
+    public void onRequestPermissionsResult(
+            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+
+        String permissionResult =
+                "Request code: "
+                        + requestCode
+                        + ", Permissions: "
+                        + permissions
+                        + ", Results: "
+                        + grantResults;
+        Log.d(TAG, "onRequestPermissionsResult(): " + permissionResult);
+
+        if (requestCode == PERMISSION_REQUEST_FINE_LOCATION) {
+            // Close activity regardless of user's decision (decision picked up in main activity).
+            finish();
+        }
+    }
+}
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/MainActivity.java b/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/MainActivity.java
new file mode 100644
index 0000000..15a1ecd
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/java/com/example/android/wifirttscan/MainActivity.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2018 Google Inc. All Rights Reserved.
+ *
+ * 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.wifirttscan;
+
+import android.Manifest.permission;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.support.v4.app.ActivityCompat;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.TextView;
+
+/**
+ * Displays list of Access Points enabled with WifiRTT (to check distance). Requests location
+ * permissions if they are not approved via secondary splash screen explaining why they are needed.
+ */
+public class MainActivity extends AppCompatActivity {
+
+    private static final String TAG = "MainActivity";
+
+    private boolean mLocationPermissionApproved = false;
+
+    private TextView mOutputTextView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        mOutputTextView = findViewById(R.id.mainOutputTextView);
+    }
+
+    public void onClickFindDistancesToAccessPoints(View view) {
+        if (mLocationPermissionApproved) {
+            Log.d(TAG, "Location Permissions approved! Retrieving Access Points.");
+            // TODO: Implement WifiManager + WifiRTT
+
+        } else {
+            // On 23+ (M+) devices, fine location not granted. Request permission.
+            Intent startIntent = new Intent(this, LocationPermissionRequestActivity.class);
+            startActivity(startIntent);
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onResume() {
+        Log.d(TAG, "onResume()");
+        super.onResume();
+
+        mLocationPermissionApproved =
+                ActivityCompat.checkSelfPermission(this, permission.ACCESS_FINE_LOCATION)
+                        == PackageManager.PERMISSION_GRANTED;
+    }
+}
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-hdpi/ic_wifi.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-hdpi/ic_wifi.png
new file mode 100644
index 0000000..b768a95
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-hdpi/ic_wifi.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-mdpi/ic_wifi.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-mdpi/ic_wifi.png
new file mode 100644
index 0000000..e13fb0f
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-mdpi/ic_wifi.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-v24/ic_launcher_foreground.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..ae56de1
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xhdpi/ic_wifi.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xhdpi/ic_wifi.png
new file mode 100644
index 0000000..ecb6564
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xhdpi/ic_wifi.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xxhdpi/ic_wifi.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xxhdpi/ic_wifi.png
new file mode 100644
index 0000000..91ecfbe
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable-xxhdpi/ic_wifi.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_launcher_background.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..0d5ac30
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,183 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_24px.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_24px.xml
new file mode 100644
index 0000000..d983049
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_24px.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M23.64,7C23.19,6.66 18.71,3 12,3C5.28,3 0.81,6.66 0.36,7l10.08,12.56c0.8,1 2.32,1 3.12,0L23.64,7z"
+      android:fillAlpha="0.3"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M3.53,10.94l6.91,8.61c0.8,1 2.32,1 3.12,0l6.91,-8.61c-0.43,-0.33 -3.66,-2.95 -8.47,-2.95S3.96,10.61 3.53,10.94z"/>
+</vector>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_white_24px.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_white_24px.xml
new file mode 100644
index 0000000..e392b05
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/drawable/ic_round_network_wifi_white_24px.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M23.64,7C23.19,6.66 18.71,3 12,3C5.28,3 0.81,6.66 0.36,7l10.08,12.56c0.8,1 2.32,1 3.12,0L23.64,7z"
+      android:fillColor="#ffffff"
+      android:fillAlpha="0.3"/>
+  <path
+      android:pathData="M3.53,10.94l6.91,8.61c0.8,1 2.32,1 3.12,0l6.91,-8.61c-0.43,-0.33 -3.66,-2.95 -8.47,-2.95S3.96,10.61 3.53,10.94z"
+      android:fillColor="#ffffff"/>
+</vector>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_location_permission_request.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_location_permission_request.xml
new file mode 100644
index 0000000..a64bd1d
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_location_permission_request.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<android.support.constraint.ConstraintLayout
+    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/relativeLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#4c9699"
+    tools:layout_editor_absoluteY="81dp">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="0dp"
+        android:layout_height="140dp"
+        android:layout_marginTop="48dp"
+        android:src="@drawable/ic_round_network_wifi_white_24px"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/mainMessageTextView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:text="@string/main_message_activity_location_permission_request"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:textColor="#ffffff"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/detailsTextView"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageView"
+        app:layout_constraintVertical_chainStyle="spread_inside" />
+
+    <TextView
+        android:id="@+id/detailsTextView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:text="@string/details_message_activity_location_permission_request"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:textColor="#ffffff"
+        app:layout_constraintBottom_toTopOf="@+id/deny_permission_request"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/mainMessageTextView" />
+
+    <Button
+        android:id="@+id/deny_permission_request"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginStart="8dp"
+        android:background="@android:color/transparent"
+        android:onClick="onClickDenyPermissionRequest"
+        android:stateListAnimator="@null"
+        android:text="@string/no_thanks_activity_location_permission_request"
+        android:textColor="#ffffff"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/approve_permission_request"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:background="@android:color/transparent"
+        android:onClick="onClickApprovePermissionRequest"
+        android:stateListAnimator="@null"
+        android:text="@string/continue_activity_location_permission_request"
+        android:textColor="#ffffff"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</android.support.constraint.ConstraintLayout>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_main.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..14395a1
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/activity_main.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<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"
+    tools:context=".MainActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/CustomAppTheme.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/CustomAppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_main" />
+
+</android.support.design.widget.CoordinatorLayout>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/content_main.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/content_main.xml
new file mode 100644
index 0000000..21ced2d
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/layout/content_main.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<android.support.constraint.ConstraintLayout
+    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"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".MainActivity"
+    tools:showIn="@layout/activity_main">
+
+    <TextView
+        android:id="@+id/mainOutputTextView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:text="Test output"
+        android:visibility="visible"
+        app:layout_constraintBottom_toTopOf="@+id/findDistanceToAccessPointsButton"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.563"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.039" />
+
+    <Button
+        android:id="@+id/findDistanceToAccessPointsButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:text="Get Access Points"
+        android:visibility="visible"
+        android:onClick="onClickFindDistancesToAccessPoints"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.941" />
+
+</android.support.constraint.ConstraintLayout>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/menu/menu_main.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/menu/menu_main.xml
new file mode 100644
index 0000000..133572a
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/menu/menu_main.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<menu 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"
+    tools:context="com.example.android.watchface.testwifircc1.MainActivity">
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never" />
+</menu>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..6568fb6
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..6568fb6
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a2f5908
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher_round.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..1b52399
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-hdpi/ic_launcher_round.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..ff10afd
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher_round.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..115a4c7
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-mdpi/ic_launcher_round.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..dcd3cd8
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..459ca60
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xhdpi/ic_launcher_round.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..8ca12fe
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..8e19b41
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..b824ebd
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..4c19a13
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/colors.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/colors.xml
new file mode 100644
index 0000000..ac5f69e
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/colors.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/dimens.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..8c82622
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/dimens.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+  -->
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/strings.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/strings.xml
new file mode 100644
index 0000000..4fa9c34
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/strings.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+-->
+<resources>
+    <string name="action_settings">Settings</string>
+
+    <string name="title_activity_location_permission_request">LocationPermissionRequestActivity</string>
+    <string name="main_message_activity_location_permission_request">See distances with Wifi RTT by letting us read your phone\'s location.</string>
+    <string name="details_message_activity_location_permission_request">Your phone needs access to your phone\'s location to show the distances to local Access Points.</string>
+    <string name="no_thanks_activity_location_permission_request">No Thanks</string>
+    <string name="continue_activity_location_permission_request">Continue</string>
+
+</resources>
diff --git a/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/styles.xml b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/styles.xml
new file mode 100644
index 0000000..4b18872
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/Application/src/main/res/values/styles.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2018 Google Inc. All rights reserved.
+  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.
+-->
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="CustomAppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="CustomAppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="CustomAppTheme.AppBarOverlay"
+        parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="CustomAppTheme.PopupOverlay"
+        parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>
diff --git a/connectivity/wifirtt/WifiRttScan/build.gradle b/connectivity/wifirtt/WifiRttScan/build.gradle
new file mode 100644
index 0000000..a5adfe5
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/build.gradle
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2018 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+// BEGIN_EXCLUDE
+import com.example.android.samples.build.SampleGenPlugin
+apply plugin: SampleGenPlugin
+
+samplegen {
+  pathToBuild "../../../../../build"
+  pathToSamplesCommon "../../../common"
+}
+apply from: "../../../../../build/build.gradle"
+// END_EXCLUDE
diff --git a/connectivity/wifirtt/WifiRttScan/buildSrc/build.gradle b/connectivity/wifirtt/WifiRttScan/buildSrc/build.gradle
new file mode 100644
index 0000000..7cebf71
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/buildSrc/build.gradle
@@ -0,0 +1,15 @@
+repositories {
+    mavenCentral()
+}
+dependencies {
+    compile 'org.freemarker:freemarker:2.3.20'
+}
+
+sourceSets {
+    main {
+        groovy {
+            srcDir new File(rootDir, "../../../../../../build/buildSrc/src/main/groovy")
+        }
+    }
+}
+
diff --git a/connectivity/wifirtt/WifiRttScan/gradle.properties b/connectivity/wifirtt/WifiRttScan/gradle.properties
new file mode 100644
index 0000000..89f9d70
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/gradle.properties
@@ -0,0 +1,33 @@
+# Copyright 2018 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.
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
diff --git a/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.jar b/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..8c0fb64
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.properties b/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..fdc9709
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,19 @@
+# Copyright 2018 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.
+#Wed Apr 10 15:27:10 PDT 2013
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/connectivity/wifirtt/WifiRttScan/gradlew b/connectivity/wifirtt/WifiRttScan/gradlew
new file mode 100755
index 0000000..b3fa6f2
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/gradlew
@@ -0,0 +1,178 @@
+#!/usr/bin/env bash
+
+# Copyright 2018 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.
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/connectivity/wifirtt/WifiRttScan/gradlew.bat b/connectivity/wifirtt/WifiRttScan/gradlew.bat
new file mode 100644
index 0000000..aec9973
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windowz variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+if "%@eval[2+2]" == "4" goto 4NT_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+goto execute

+

+:4NT_args

+@rem Get arguments from the 4NT Shell from JP Software

+set CMD_LINE_ARGS=%$

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/connectivity/wifirtt/WifiRttScan/packaging.yaml b/connectivity/wifirtt/WifiRttScan/packaging.yaml
new file mode 100644
index 0000000..ef735ab
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/packaging.yaml
@@ -0,0 +1,15 @@
+# GOOGLE SAMPLE PACKAGING DATA
+#
+# This file is used by Google as part of our samples packaging process.
+# End users may safely ignore this file. It has no relevance to other systems.
+---
+
+status:       DRAFT
+technologies: [Android]
+categories:   [Connectivity]
+languages:    [Java]
+solutions:    [Mobile]
+github:       googlesamples/android-WifiRttScan
+level:        ADVANCED
+icon:         WifiRttScan/src/main/res/drawable-xxhdpi/ic_launcher.png
+license:      apache2-android
diff --git a/connectivity/wifirtt/WifiRttScan/screenshots/big_icon.png b/connectivity/wifirtt/WifiRttScan/screenshots/big_icon.png
new file mode 100644
index 0000000..3b85da4
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/screenshots/big_icon.png
Binary files differ
diff --git a/connectivity/wifirtt/WifiRttScan/settings.gradle b/connectivity/wifirtt/WifiRttScan/settings.gradle
new file mode 100644
index 0000000..7c9c961
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/settings.gradle
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2018 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+include 'Application'
diff --git a/connectivity/wifirtt/WifiRttScan/template-params.xml b/connectivity/wifirtt/WifiRttScan/template-params.xml
new file mode 100644
index 0000000..7d594f5
--- /dev/null
+++ b/connectivity/wifirtt/WifiRttScan/template-params.xml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2018 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.
+-->
+<sample>
+    <name>WifiRttScan</name>
+    <group>Connectivity</group>
+    <package>com.example.android.wifirttscan</package>
+
+    <!-- change minSdk if needed-->
+    <minSdk>28</minSdk>
+    <compileSdkVersion>28</compileSdkVersion>
+    <targetSdkVersion>28</targetSdkVersion>
+
+    <!-- Include additional dependencies here.-->
+    <!-- dependency>com.google.android.gms:play-services:5.0.+</dependency -->
+
+    <dependency>com.android.support:appcompat-v7:28.0.0-alpha3</dependency>
+    <dependency>com.android.support.constraint:constraint-layout:1.1.2</dependency>
+    <dependency>com.android.support:design:28.0.0-alpha3</dependency>
+
+
+    <strings>
+        <intro>
+           <![CDATA[
+           TODO, also replace images
+           ]]>
+        </intro>
+    </strings>
+
+    <template src="base" />
+
+    <common src="logger" />
+    <common src="activities"/>
+    <metadata>
+    <status>DRAFT</status>
+    <categories>Connectivity</categories>
+    <technologies>Android</technologies>
+    <languages>Java</languages>
+    <solutions>Mobile</solutions>
+    <level>ADVANCED</level>
+    <icon>screenshots/big_icon.png</icon>
+    <screenshots>
+        <img>screenshots/1-main.png</img>
+    </screenshots>
+    <api_refs>
+        <android>android.net.wifi.ScanResult</android>
+        <android>android.net.wifi.WifiManager</android>
+        <android>android.net.wifi.rtt.RangingRequest</android>
+        <android>android.net.wifi.rtt.RangingResult</android>
+        <android>android.net.wifi.rtt.RangingResultCallback</android>
+        <android>android.net.wifi.rtt.WifiRttManager</android>
+    </api_refs>
+    <description>
+<![CDATA[
+TODO
+]]>
+    </description>
+    <intro>
+<![CDATA[
+TODO
+]]>
+    </intro>
+</metadata>
+</sample>