From 9a3e8ae571017071e09e6efdb60292c8d62b8bdd Mon Sep 17 00:00:00 2001
From: Brad Leege <bleege@gmail.com>
Date: Wed, 6 Apr 2016 12:54:22 -0500
Subject: [PATCH] [android] #4619 - Creating standalone CustomLayerActivity
 example

---
 .../src/main/AndroidManifest.xml              |   7 +
 .../customlayer/CustomLayerActivity.java      | 124 ++++++++++++++++++
 .../ExampleCustomLayer.java}                  |   4 +-
 .../src/main/res/drawable/ic_layers_24dp.xml  |   9 ++
 .../res/drawable/ic_layers_clear_24dp.xml     |   9 ++
 .../main/res/layout/activity_custom_layer.xml |  47 +++++++
 .../src/main/res/values/strings.xml           |   5 +-
 platform/android/src/example_custom_layer.cpp |   2 +-
 8 files changed, 202 insertions(+), 5 deletions(-)
 create mode 100644 platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/customlayer/CustomLayerActivity.java
 rename platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/{other/CustomLayer.java => customlayer/ExampleCustomLayer.java} (73%)
 create mode 100644 platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_24dp.xml
 create mode 100644 platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_clear_24dp.xml
 create mode 100644 platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_custom_layer.xml

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
index 93f66819c..54199f9b9 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
@@ -121,6 +121,13 @@
                 android:name="@string/category"
                 android:value="@string/category_camera" />
         </activity>
+        <activity android:name=".activity.customlayer.CustomLayerActivity"
+                  android:description="@string/description_custom_layer"
+                  android:label="@string/activity_custom_layer">
+            <meta-data
+                android:name="@string/category"
+                android:value="@string/category_custom_layer" />
+        </activity>
         <activity
             android:name=".activity.userlocation.MyLocationTrackingModeActivity"
             android:description="@string/description_user_location_tracking"
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/customlayer/CustomLayerActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/customlayer/CustomLayerActivity.java
new file mode 100644
index 000000000..04d427344
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/customlayer/CustomLayerActivity.java
@@ -0,0 +1,124 @@
+package com.mapbox.mapboxsdk.testapp.activity.customlayer;
+
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+import android.view.View;
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.layers.CustomLayer;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.mapboxsdk.testapp.model.customlayer.ExampleCustomLayer;
+
+public class CustomLayerActivity extends AppCompatActivity {
+
+    private MapboxMap mapboxMap;
+    private MapView mapView;
+
+    private boolean isShowingCustomLayer = false;
+    private FloatingActionButton fab;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_custom_layer);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        final ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayShowHomeEnabled(true);
+        }
+
+        mapView = (MapView) findViewById(R.id.mapView);
+        mapView.setAccessToken(getString(R.string.mapbox_access_token));
+        mapView.onCreate(savedInstanceState);
+        mapView.getMapAsync(new OnMapReadyCallback() {
+            @Override
+            public void onMapReady(MapboxMap map) {
+                mapboxMap = map;
+
+                mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(39.91448, -243.60947), 10));
+
+            }
+        });
+
+        fab = (FloatingActionButton) findViewById(R.id.fab);
+        fab.setColorFilter(ContextCompat.getColor(this, R.color.primary));
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mapboxMap != null) {
+                    swapCustomLayer();
+                }
+            }
+        });
+    }
+
+    private void swapCustomLayer() {
+
+        if (isShowingCustomLayer) {
+            mapboxMap.removeCustomLayer("custom");
+            fab.setImageResource(R.drawable.ic_layers_24dp);
+        } else {
+            mapboxMap.addCustomLayer(new CustomLayer("custom",
+                    ExampleCustomLayer.createContext(),
+                    ExampleCustomLayer.InitializeFunction,
+                    ExampleCustomLayer.RenderFunction,
+                    ExampleCustomLayer.DeinitializeFunction), null);
+            fab.setImageResource(R.drawable.ic_layers_clear_24dp);
+        }
+
+        isShowingCustomLayer = !isShowingCustomLayer;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mapView.onPause();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mapView.onSaveInstanceState(outState);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mapView.onDestroy();
+    }
+
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+        mapView.onLowMemory();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+}
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/other/CustomLayer.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/customlayer/ExampleCustomLayer.java
similarity index 73%
rename from platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/other/CustomLayer.java
rename to platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/customlayer/ExampleCustomLayer.java
index cecaac05b..290106045 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/other/CustomLayer.java
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/model/customlayer/ExampleCustomLayer.java
@@ -1,6 +1,6 @@
-package com.mapbox.mapboxsdk.testapp.model.other;
+package com.mapbox.mapboxsdk.testapp.model.customlayer;
 
-public class CustomLayer {
+public class ExampleCustomLayer {
     static {
         System.loadLibrary("example-custom-layer");
     }
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_24dp.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_24dp.xml
new file mode 100644
index 000000000..944b526c5
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M11.99,18.54l-7.37,-5.73L3,14.07l9,7 9,-7 -1.63,-1.27 -7.38,5.74zM12,16l7.36,-5.73L21,9l-9,-7 -9,7 1.63,1.27L12,16z"/>
+</vector>
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_clear_24dp.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_clear_24dp.xml
new file mode 100644
index 000000000..249f57fc6
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/drawable/ic_layers_clear_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M19.81,14.99l1.19,-0.92 -1.43,-1.43 -1.19,0.92 1.43,1.43zM19.36,10.27L21,9l-9,-7 -2.91,2.27 7.87,7.88 2.4,-1.88zM3.27,1L2,2.27l4.22,4.22L3,9l1.63,1.27L12,16l2.1,-1.63 1.43,1.43L12,18.54l-7.37,-5.73L3,14.07l9,7 4.95,-3.85L20.73,21 22,19.73 3.27,1z"/>
+</vector>
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_custom_layer.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_custom_layer.xml
new file mode 100644
index 000000000..2b52f7d8f
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/layout/activity_custom_layer.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:app="http://schemas.android.com/apk/res-auto"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical">
+
+    <android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="@color/primary"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
+
+    </android.support.v7.widget.Toolbar>
+
+    <FrameLayout
+        android:id="@+id/content_frame"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        >
+
+        <android.support.design.widget.CoordinatorLayout
+            android:id="@+id/coordinator_layout"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <com.mapbox.mapboxsdk.maps.MapView
+                android:id="@+id/mapView"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+
+            <android.support.design.widget.FloatingActionButton
+                android:id="@+id/fab"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="end|bottom"
+                android:layout_margin="@dimen/fab_margin"
+                android:src="@drawable/ic_layers_24dp"
+                app:backgroundTint="@android:color/white"
+                />
+
+        </android.support.design.widget.CoordinatorLayout>
+
+    </FrameLayout>
+
+</LinearLayout>
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
index c7aabc96d..3ada24d88 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/res/values/strings.xml
@@ -35,14 +35,14 @@
     <!-- Other -->
     <string name="activity_snapshot">Snapshot Activity</string>
     <string name="activity_user_tracking_mode">User tracking mode</string>
-    <string name="activity_custom_layer">Custom Layer (experimental)</string>
+    <string name="activity_custom_layer">Custom Layer</string>
     <string name="activity_map_padding">Map Padding</string>
     <string name="activity_offline">Offline Map</string>
     <string name="activity_minmax_zoom">Min/Max Zoom</string>
 
     <!-- Description -->
     <string name="description_user_location_tracking">Tracks the location of the user</string>
-    <string name="description_custom_layer">Experimental feature</string>
+    <string name="description_custom_layer">Overlay a custom native layer on the map</string>
     <string name="description_info_window_adapter">Learn how to create a custom InfoWindow</string>
     <string name="description_cameraposition">CameraPosition capabilities</string>
     <string name="description_map_fragment">Showcase MapFragment</string>
@@ -72,6 +72,7 @@
     <string name="category">category</string>
     <string name="category_annotation">Annotation</string>
     <string name="category_camera">Camera</string>
+    <string name="category_custom_layer">Custom Layer</string>
     <string name="category_directions">Directions</string>
     <string name="category_fragment">Fragment</string>
     <string name="category_geocoding">Geocoding</string>
diff --git a/platform/android/src/example_custom_layer.cpp b/platform/android/src/example_custom_layer.cpp
index 439f9aff1..a513b7faf 100644
--- a/platform/android/src/example_custom_layer.cpp
+++ b/platform/android/src/example_custom_layer.cpp
@@ -76,7 +76,7 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *) {
     JNIEnv *env = nullptr;
     vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6);
 
-    jclass customLayerClass = env->FindClass("com/mapbox/mapboxsdk/testapp/layers/ExampleCustomLayer");
+    jclass customLayerClass = env->FindClass("com/mapbox/mapboxsdk/testapp/model/customlayer/ExampleCustomLayer");
 
     JNINativeMethod methods[] = {
         {"createContext", "()J", reinterpret_cast<void *>(&nativeCreateContext)}