[android] Enable/Disable SKU token handling

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/AccountsManager.java

@@ -2,41 +2,74 @@
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 
 import com.mapbox.android.accounts.v1.MapboxAccounts;
 import com.mapbox.mapboxsdk.constants.MapboxConstants;
+import com.mapbox.mapboxsdk.log.Logger;
 
 /**
- * REMOVAL OR MODIFICATION OF THE FOLLOWING CODE VIOLATES THE MAPBOX TERMS
- * OF SERVICE
+ * IF YOU USE THIS CODE WITH MAPBOX MAPPING API, REMOVAL OR MODIFICATION OF
+ * THE FOLLOWING CODE VIOLATES THE MAPBOX TERMS OF SERVICE.
  *
- * The following code is used to access Mapbox's Mapping APIs.
+ * The following code is used to access Mapbox's Mapping APIs. Removal or
+ * modification of this code when used with Mapbox's Mapping APIs can result
+ * in higher fees and/or termination of your account with Mapbox.
  *
- * Removal or modification of this code when used with Mapbox's Mapping APIs
- * can result in termination of your agreement and/or your account with
- * Mapbox.
+ * Under the Mapbox Terms of Service, you may not use this code to access
+ * Mapbox Mapping APIs other than through Mapbox SDKs.
  *
- * Using this code to access Mapbox Mapping APIs from outside the Mapbox Maps
- * SDK also violates the Mapbox Terms of Service. On Android, Mapping APIs
- * should be accessed using the methods documented at
- * https://www.mapbox.com/android.
- *
- * You can access the Mapbox Terms of Service at https://www.mapbox.com/tos/
+ * The Android documentation to access Mapping APIs is available at
+ * https://www.mapbox.com/android and the Mapbox Terms of Service are
+ * available at https://www.mapbox.com/tos/.
  */
 class AccountsManager {
+  private static final String TAG = "Mbgl-AccountsManager";
+
   private static final String PREFERENCE_USER_ID = "com.mapbox.mapboxsdk.accounts.userid";
   private static final String PREFERENCE_TIMESTAMP = "com.mapbox.mapboxsdk.accounts.timestamp";
   private static final String PREFERENCE_SKU_TOKEN = "com.mapbox.mapboxsdk.accounts.skutoken";
 
   private long timestamp;
+  @Nullable
   private String skuToken;
 
+  private boolean isEnabled;
+
   AccountsManager() {
-    String userId = validateUserId();
-    validateRotation(userId);
+    isEnabled = isSkuTokenEnabled();
+    if (isEnabled) {
+      String userId = validateUserId();
+      validateRotation(userId);
+    } else {
+      timestamp = 0L;
+      skuToken = null;
+    }
+  }
+
+  private boolean isSkuTokenEnabled() {
+    boolean value = MapboxConstants.DEFAULT_ENABLE_SKU_TOKEN;
+    try {
+      // Try getting a custom value from the app Manifest
+      ApplicationInfo appInfo = Mapbox.getApplicationContext().getPackageManager().getApplicationInfo(
+          Mapbox.getApplicationContext().getPackageName(),
+          PackageManager.GET_META_DATA);
+      if (appInfo.metaData != null) {
+        value = appInfo.metaData.getBoolean(
+            MapboxConstants.KEY_META_DATA_ENABLE_SKU_TOKEN,
+            MapboxConstants.DEFAULT_ENABLE_SKU_TOKEN
+        );
+      }
+    } catch (Exception exception) {
+      Logger.e(TAG, "Failed to read the package metadata: ", exception);
+    }
+
+    return value;
   }
 
   private String validateUserId() {
@@ -62,8 +95,9 @@ private void validateRotation(String userId) {
     }
   }
 
+  @Nullable
   String getSkuToken() {
-    if (isExpired()) {
+    if (isEnabled && isExpired()) {
       SharedPreferences sharedPreferences = getSharedPreferences();
       String userId = sharedPreferences.getString(PREFERENCE_USER_ID, "");
       skuToken = generateSkuToken(userId);

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/Mapbox.java

@@ -96,6 +96,7 @@ public static void setAccessToken(String accessToken) {
    *
    * @return the SKU token
    */
+  @Nullable
   public static String getSkuToken() {
     return INSTANCE.accounts.getSkuToken();
   }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/constants/MapboxConstants.java

@@ -37,6 +37,16 @@ public class MapboxConstants {
    */
   public static final boolean DEFAULT_MEASURE_TILE_DOWNLOAD_ON = false;
 
+  /**
+   * Key used to switch SKU token on/off in AndroidManifest.xml
+   */
+  public static final String KEY_META_DATA_ENABLE_SKU_TOKEN = "com.mapbox.EnableSkuToken";
+
+  /**
+   * Default value for KEY_META_DATA_ENABLE_SKU_TOKEN (default is off)
+   */
+  public static final boolean DEFAULT_ENABLE_SKU_TOKEN = false;
+
   /**
    * Unmeasured state
    */

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/http/HttpRequestUrl.java

@@ -24,7 +24,11 @@ public static String buildResourceUrl(@NonNull String host, String resourceUrl,
       } else {
         resourceUrl = resourceUrl + "&";
       }
-      resourceUrl = resourceUrl + "events=true&sku=" + Mapbox.getSkuToken();
+      if (Mapbox.getSkuToken() != null) {
+        resourceUrl = resourceUrl + "events=true&sku=" + Mapbox.getSkuToken();
+      } else {
+        resourceUrl = resourceUrl + "events=true";
+      }
     }
     return resourceUrl;
   }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/TelemetryImpl.java

@@ -41,7 +41,9 @@ public TelemetryImpl() {
   public void onAppUserTurnstileEvent() {
     AppUserTurnstile turnstileEvent = new AppUserTurnstile(BuildConfig.MAPBOX_SDK_IDENTIFIER,
       BuildConfig.MAPBOX_SDK_VERSION);
-    turnstileEvent.setSkuId(MapboxAccounts.SKU_ID_MAPS_MAUS);
+    if (Mapbox.getSkuToken() != null) {
+      turnstileEvent.setSkuId(MapboxAccounts.SKU_ID_MAPS_MAUS);
+    }
     telemetry.push(turnstileEvent);
     telemetry.push(MapEventFactory.buildMapLoadEvent(new PhoneState(appContext)));
   }

platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml

@@ -991,6 +991,11 @@
          android:name="com.mapbox.MeasureTileDownloadOn"
          android:value="false" />
 
+        <!-- Set value to true to have SKU tokens included in API requests -->
+        <meta-data
+            android:name="com.mapbox.EnableSkuToken"
+            android:value="true" />
+
     </application>
 
 </manifest>