add UI settings demo

ApiDemos/kotlin/app/build.gradle

@@ -33,4 +33,6 @@ dependencies {
     implementation 'com.google.android.gms:play-services-maps:11.8.0'
     compile 'com.google.android.gms:play-services-location:11.8.0'
 
+    // EasyPermissions is needed to help us request for permission to access location
+    implementation 'pub.devrel:easypermissions:1.1.1'
 }

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

@@ -16,6 +16,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.kotlindemos">
 
+    <!-- Access to location is needed for the UI Settings Demo -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -36,6 +39,11 @@
             </intent-filter>
         </activity>
         <activity android:name=".BasicMapDemoActivity" />
+        <activity android:name=".UiSettingsDemoActivity" />
+        <activity android:name=".MarkerDemoActivity" />
+        <activity android:name=".PolygonDemoActivity" />
+        <activity android:name=".CameraDemoActivity" />
+        <activity android:name=".BasicMapDemoActivity" />
         <activity android:name=".StreetViewPanoramaNavigationDemoActivity" />
         <activity android:name=".CircleDemoActivity" />
     </application>

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

@@ -29,7 +29,9 @@ class DemoDetailsList {
                 DemoDetails(
                         R.string.street_view_panorama_navigation_demo_label,
                         R.string.street_view_panorama_navigation_demo_details,
-                        StreetViewPanoramaNavigationDemoActivity::class.java)
+                        StreetViewPanoramaNavigationDemoActivity::class.java),
+                DemoDetails(R.string.ui_settings_demo_label, R.string.ui_settings_demo_details,
+                        UiSettingsDemoActivity::class.java)
         )
     }
 }

ApiDemos/kotlin/app/src/main/java/com/example/kotlindemos/UiSettingsDemoActivity.kt

@@ -0,0 +1,124 @@
+/*
+ * Copyright 2018 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
+ *
+ *     https://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.Manifest
+import android.annotation.SuppressLint
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+import android.view.View
+import android.widget.CheckBox
+import com.google.android.gms.maps.GoogleMap
+import com.google.android.gms.maps.OnMapReadyCallback
+import com.google.android.gms.maps.SupportMapFragment
+import pub.devrel.easypermissions.AfterPermissionGranted
+import pub.devrel.easypermissions.EasyPermissions
+
+const val REQUEST_CODE_LOCATION = 123
+
+class UiSettingsDemoActivity :
+        AppCompatActivity(),
+        OnMapReadyCallback {
+
+    private lateinit var map: GoogleMap
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_ui_settings_demo)
+        val mapFragment: SupportMapFragment =
+                supportFragmentManager.findFragmentById(R.id.map) as SupportMapFragment
+        mapFragment.getMapAsync(this)
+    }
+
+    override fun onMapReady(googleMap: GoogleMap?) {
+        // Return early if map is not initialised properly
+        map = googleMap ?: return
+        enableMyLocation()
+        // Set all the settings of the map to match the current state of the checkboxes
+        with(map.uiSettings) {
+            isZoomControlsEnabled = isChecked(R.id.zoom_button)
+            isCompassEnabled = isChecked(R.id.compass_button)
+            isMyLocationButtonEnabled = isChecked(R.id.myloc_button)
+            isIndoorLevelPickerEnabled = isChecked(R.id.level_button)
+            isMapToolbarEnabled = isChecked(R.id.maptoolbar_button)
+            isZoomGesturesEnabled = isChecked(R.id.zoomgest_button)
+            isScrollGesturesEnabled = isChecked(R.id.scrollgest_button)
+            isTiltGesturesEnabled = isChecked(R.id.tiltgest_button)
+            isRotateGesturesEnabled = isChecked(R.id.rotategest_button)
+        }
+    }
+
+    /** On click listener for checkboxes */
+    fun onClick(view: View) {
+        if (view !is CheckBox) {
+            return
+        }
+        val isChecked: Boolean = view.isChecked
+        with(map.uiSettings) {
+            when (view.id) {
+                R.id.zoom_button -> isZoomControlsEnabled = isChecked
+                R.id.compass_button -> isCompassEnabled = isChecked
+                R.id.myloc_button -> isMyLocationButtonEnabled = isChecked
+                R.id.level_button -> isIndoorLevelPickerEnabled = isChecked
+                R.id.maptoolbar_button -> isMapToolbarEnabled = isChecked
+                R.id.zoomgest_button -> isZoomGesturesEnabled = isChecked
+                R.id.scrollgest_button -> isScrollGesturesEnabled = isChecked
+                R.id.tiltgest_button -> isTiltGesturesEnabled = isChecked
+                R.id.rotategest_button -> isRotateGesturesEnabled = isChecked
+            }
+        }
+    }
+
+    /** Returns whether the checkbox with the given id is checked */
+    private fun isChecked(id: Int) = findViewById<CheckBox>(id)?.isChecked ?: false
+
+    /** Override the onRequestPermissionResult to use EasyPermissions */
+    override fun onRequestPermissionsResult(
+            requestCode: Int,
+            permissions: Array<out String>,
+            grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this)
+    }
+
+    /**
+     * enableMyLocation() will enable the location of the map if the user has given permission
+     * for the app to access their device location.
+     * Android Studio requires an explicit check before setting map.isMyLocationEnabled to true
+     * but we are using EasyPermissions to handle it so we can suppress the "MissingPermission"
+     * check.
+     */
+    @SuppressLint("MissingPermission")
+    @AfterPermissionGranted(REQUEST_CODE_LOCATION)
+    private fun enableMyLocation() {
+        if (hasLocationPermission()) {
+            map.isMyLocationEnabled = true
+        } else {
+            EasyPermissions.requestPermissions(
+                    this,
+                    getString(R.string.location),
+                    REQUEST_CODE_LOCATION,
+                    Manifest.permission.ACCESS_FINE_LOCATION
+            )
+        }
+    }
+
+    private fun hasLocationPermission(): Boolean {
+        return EasyPermissions.hasPermissions(this, Manifest.permission.ACCESS_FINE_LOCATION)
+    }
+}

ApiDemos/kotlin/app/src/main/res/layout/activity_ui_settings_demo.xml

@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2018 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
+
+        https://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.
+-->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/map_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <fragment xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/map"
+        android:name="com.google.android.gms.maps.SupportMapFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        />
+
+    <ScrollView
+        android:layout_width="wrap_content"
+        android:layout_height="175dp"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginBottom="25dp"
+        android:clipToPadding="false">
+
+        <LinearLayout
+            android:id="@+id/checkbox"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:background="@color/white">
+
+            <CheckBox
+                android:id="@+id/zoom_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_zoom" />
+
+            <CheckBox
+                android:id="@+id/compass_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_compass" />
+
+            <CheckBox
+                android:id="@+id/myloc_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_my_location_layer" />
+
+            <CheckBox
+                android:id="@+id/level_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_level_picker" />
+
+            <CheckBox
+                android:id="@+id/maptoolbar_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_map_toolbar" />
+
+            <CheckBox
+                android:id="@+id/zoomgest_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_zoom_gesture" />
+
+            <CheckBox
+                android:id="@+id/scrollgest_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_scroll_gesture" />
+
+            <CheckBox
+                android:id="@+id/tiltgest_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_tilt_gesture" />
+
+            <CheckBox
+                android:id="@+id/rotategest_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:onClick="onClick"
+                android:text="@string/checkbox_rotate_gesture" />
+        </LinearLayout>
+
+    </ScrollView>
+
+</RelativeLayout>

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

@@ -3,4 +3,5 @@
     <color name="colorPrimary">#3F51B5</color>
     <color name="colorPrimaryDark">#303F9F</color>
     <color name="colorAccent">#FF4081</color>
+    <color name="white">#D0FFFFFF</color>
 </resources>

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

@@ -58,4 +58,17 @@
     <string name="go_to_san_francisco">Go to San Francisco</string>
     <string name="go_to_santorini">Go to Santorini</string>
 
+    <!-- UI Settings Demo -->
+    <string name="ui_settings_demo_label">UI Settings Demo</string>
+    <string name="ui_settings_demo_details">Demonstrate how to toggle the UI of a map</string>
+    <string name="location">Location permission is required to run the demo</string>
+    <string name="checkbox_zoom">Zoom</string>
+    <string name="checkbox_compass">Compass</string>
+    <string name="checkbox_my_location_layer">My Location</string>
+    <string name="checkbox_level_picker">Level Picker</string>
+    <string name="checkbox_map_toolbar">Map Toolbar</string>
+    <string name="checkbox_zoom_gesture">Zoom Gestures</string>
+    <string name="checkbox_scroll_gesture">Scroll Gestures</string>
+    <string name="checkbox_tilt_gesture">Tilt Gestures</string>
+    <string name="checkbox_rotate_gesture">Rotate Gestures</string>
 </resources>