chore: Add SplitStreetViewPanoramaAndMapDemoActivity in Kotlin (#203)

Also update Java example to not use Hungarian notation

ApiDemos/java/app/src/gms/java/com/example/mapdemo/SplitStreetViewPanoramaAndMapDemoActivity.java

@@ -44,9 +44,9 @@ public class SplitStreetViewPanoramaAndMapDemoActivity extends AppCompatActivity
     // George St, Sydney
     private static final LatLng SYDNEY = new LatLng(-33.87365, 151.20689);
 
-    private StreetViewPanorama mStreetViewPanorama;
+    private StreetViewPanorama streetViewPanorama;
 
-    private Marker mMarker;
+    private Marker marker;
 
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
@@ -67,13 +67,13 @@ public class SplitStreetViewPanoramaAndMapDemoActivity extends AppCompatActivity
                 new OnStreetViewPanoramaReadyCallback() {
                     @Override
                     public void onStreetViewPanoramaReady(StreetViewPanorama panorama) {
-                        mStreetViewPanorama = panorama;
-                        mStreetViewPanorama.setOnStreetViewPanoramaChangeListener(
+                        streetViewPanorama = panorama;
+                        streetViewPanorama.setOnStreetViewPanoramaChangeListener(
                                 SplitStreetViewPanoramaAndMapDemoActivity.this);
                         // Only need to set the position once as the streetview fragment will maintain
                         // its state.
                         if (savedInstanceState == null) {
-                            mStreetViewPanorama.setPosition(SYDNEY);
+                            streetViewPanorama.setPosition(SYDNEY);
                         }
                     }
                 });
@@ -85,7 +85,7 @@ public class SplitStreetViewPanoramaAndMapDemoActivity extends AppCompatActivity
             public void onMapReady(GoogleMap map) {
                 map.setOnMarkerDragListener(SplitStreetViewPanoramaAndMapDemoActivity.this);
                 // Creates a draggable marker. Long press to drag.
-                mMarker = map.addMarker(new MarkerOptions()
+                marker = map.addMarker(new MarkerOptions()
                         .position(markerPosition)
                         .icon(BitmapDescriptorFactory.fromResource(R.drawable.pegman))
                         .draggable(true));
@@ -96,13 +96,13 @@ public class SplitStreetViewPanoramaAndMapDemoActivity extends AppCompatActivity
     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        outState.putParcelable(MARKER_POSITION_KEY, mMarker.getPosition());
+        outState.putParcelable(MARKER_POSITION_KEY, marker.getPosition());
     }
 
     @Override
     public void onStreetViewPanoramaChange(StreetViewPanoramaLocation location) {
         if (location != null) {
-            mMarker.setPosition(location.position);
+            marker.setPosition(location.position);
         }
     }
 
@@ -112,7 +112,7 @@ public class SplitStreetViewPanoramaAndMapDemoActivity extends AppCompatActivity
 
     @Override
     public void onMarkerDragEnd(Marker marker) {
-        mStreetViewPanorama.setPosition(marker.getPosition(), 150);
+        streetViewPanorama.setPosition(marker.getPosition(), 150);
     }
 
     @Override

ApiDemos/kotlin/app/src/gms/java/com/example/kotlindemos/DemoDetailsList.kt

@@ -45,6 +45,10 @@ class DemoDetailsList {
                         R.string.street_view_panorama_navigation_demo_label,
                         R.string.street_view_panorama_navigation_demo_details,
                         StreetViewPanoramaNavigationDemoActivity::class.java),
+                DemoDetails(
+                        R.string.split_street_view_panorama_and_map_demo_label,
+                        R.string.split_street_view_panorama_and_map_demo_details,
+                        SplitStreetViewPanoramaAndMapDemoActivity::class.java),
                 DemoDetails(R.string.tags_demo_label, R.string.tags_demo_details,
                         TagsDemoActivity::class.java),
                 DemoDetails(R.string.ui_settings_demo_label, R.string.ui_settings_demo_details,

ApiDemos/kotlin/app/src/gms/java/com/example/kotlindemos/SplitStreetViewPanoramaAndMapDemoActivity.kt

@@ -0,0 +1,88 @@
+// Copyright 2020 Google LLC
+//
+// 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.kotlindemos
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.google.android.gms.maps.GoogleMap.OnMarkerDragListener
+import com.google.android.gms.maps.StreetViewPanorama
+import com.google.android.gms.maps.StreetViewPanorama.OnStreetViewPanoramaChangeListener
+import com.google.android.gms.maps.SupportMapFragment
+import com.google.android.gms.maps.SupportStreetViewPanoramaFragment
+import com.google.android.gms.maps.model.*
+
+/**
+ * This shows how to create a simple activity with streetview and a map
+ */
+class SplitStreetViewPanoramaAndMapDemoActivity : AppCompatActivity(),
+    OnMarkerDragListener, OnStreetViewPanoramaChangeListener {
+    var streetViewPanorama: StreetViewPanorama? = null
+    var marker: Marker? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.split_street_view_panorama_and_map_demo)
+        val markerPosition = savedInstanceState?.getParcelable(MARKER_POSITION_KEY) ?: SYDNEY
+
+        val streetViewPanoramaFragment =
+            supportFragmentManager.findFragmentById(R.id.streetviewpanorama) as SupportStreetViewPanoramaFragment?
+        streetViewPanoramaFragment?.getStreetViewPanoramaAsync { panorama ->
+            streetViewPanorama = panorama
+            streetViewPanorama?.setOnStreetViewPanoramaChangeListener(
+                this@SplitStreetViewPanoramaAndMapDemoActivity
+            )
+            // Only need to set the position once as the streetview fragment will maintain
+            // its state.
+            savedInstanceState ?: streetViewPanorama?.setPosition(SYDNEY)
+        }
+        val mapFragment =
+            supportFragmentManager.findFragmentById(R.id.map) as SupportMapFragment?
+        mapFragment?.getMapAsync { map ->
+            map.setOnMarkerDragListener(this@SplitStreetViewPanoramaAndMapDemoActivity)
+            // Creates a draggable marker. Long press to drag.
+            marker = map.addMarker(
+                MarkerOptions()
+                    .position(markerPosition)
+                    .icon(BitmapDescriptorFactory.fromResource(R.drawable.pegman))
+                    .draggable(true)
+            )
+        }
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putParcelable(
+            MARKER_POSITION_KEY,
+            marker?.position
+        )
+    }
+
+    override fun onStreetViewPanoramaChange(location: StreetViewPanoramaLocation) {
+        marker?.position = location.position
+    }
+
+    override fun onMarkerDragStart(marker: Marker) {}
+    override fun onMarkerDragEnd(marker: Marker) {
+        streetViewPanorama?.setPosition(marker.position, 150)
+    }
+
+    override fun onMarkerDrag(marker: Marker) {}
+
+    companion object {
+        private const val MARKER_POSITION_KEY = "MarkerPosition"
+
+        // George St, Sydney
+        private val SYDNEY = LatLng(-33.87365, 151.20689)
+    }
+}

ApiDemos/kotlin/app/src/gms/res/layout/split_street_view_panorama_and_map_demo.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+     Copyright (C) 2012 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.
+--><!-- This can go anywhere in your layout. -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:map="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/map_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:id="@+id/map_container2"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="0.5"
+        android:orientation="vertical">
+
+        <fragment
+            android:id="@+id/streetviewpanorama"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_weight="0.5"
+            class="com.google.android.gms.maps.SupportStreetViewPanoramaFragment" />
+
+        <fragment
+            android:id="@+id/map"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_weight="0.5"
+            class="com.google.android.gms.maps.SupportMapFragment"
+            map:cameraTargetLat="-33.87365"
+            map:cameraTargetLng="151.20689"
+            map:cameraZoom="15" />
+    </LinearLayout>
+</LinearLayout>
+

ApiDemos/kotlin/app/src/main/AndroidManifest.xml

@@ -57,6 +57,7 @@
         <activity android:name=".TagsDemoActivity"/>
         <activity android:name=".UiSettingsDemoActivity" />
         <activity android:name=".VisibleRegionDemoActivity"/>
+        <activity android:name=".SplitStreetViewPanoramaAndMapDemoActivity" />
     </application>
 
 </manifest>

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

@@ -143,6 +143,10 @@
     <string name="go_to_san_francisco">Go to San Francisco</string>
     <string name="go_to_santorini">Go to Santorini</string>
 
+    <!-- Split StreetView Panorama and Map Demo -->
+    <string name="split_street_view_panorama_and_map_demo_label">Street View Panorama and Map</string>
+    <string name="split_street_view_panorama_and_map_demo_details">Demonstrates how to show a Street View panorama and map.</string>
+
     <!-- Tags Demo -->
     <string name="tags_demo_label">Tags</string>
     <string name="tags_demo_details">Demonstrates how to get and set tags on API objects.</string>