Java 8 removal

platform/android/MapboxGLAndroidSDK/build.gradle

@@ -121,11 +121,6 @@ android {
         main.res.srcDirs += 'src/main/res-public'
     }
 
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
     lintOptions {
         disable 'MissingTranslation', 'TypographyQuotes', 'ObsoleteLintCustomCheck', 'MissingPermission', 'WrongThreadInterprocedural'
         checkAllWarnings true

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

@@ -39,18 +39,32 @@ protected void onPostExecute(byte[] bytes) {
 
   private static byte[] loadFile(AssetManager assets, String path) {
     byte[] buffer = null;
-    try (InputStream input = assets.open(path)) {
+    InputStream input = null;
+    try {
+      input = assets.open(path);
       int size = input.available();
       buffer = new byte[size];
       input.read(buffer);
     } catch (IOException exception) {
-      String message = "Load file failed";
-      Logger.e(TAG, message, exception);
-      MapStrictMode.strictModeViolation(message, exception);
+      logFileError(exception);
+    } finally {
+      if (input != null) {
+        try {
+          input.close();
+        } catch (IOException exception) {
+          logFileError(exception);
+        }
+      }
     }
     return buffer;
   }
 
+  private static void logFileError(Exception exception) {
+    String message = "Load file failed";
+    Logger.e(TAG, message, exception);
+    MapStrictMode.strictModeViolation(message, exception);
+  }
+
   public interface OnLocalRequestResponse {
     void onResponse(byte[] bytes);
   }

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

@@ -58,13 +58,16 @@ public void onResponse(int responseCode, String etag, String lastModified, Strin
   }
 
   private void executeLocalRequest(String resourceUrl) {
-    new LocalRequestTask(bytes -> {
-      if (bytes != null) {
-        lock.lock();
-        if (nativePtr != 0) {
-          nativeOnResponse(200, null, null, null, null, null, null, bytes);
+    new LocalRequestTask(new LocalRequestTask.OnLocalRequestResponse() {
+      @Override
+      public void onResponse(byte[] bytes) {
+        if (bytes != null) {
+          lock.lock();
+          if (nativePtr != 0) {
+            NativeHttpRequest.this.nativeOnResponse(200, null, null, null, null, null, null, bytes);
+          }
+          lock.unlock();
         }
-        lock.unlock();
       }
     }).execute(resourceUrl);
   }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/log/Logger.java

@@ -201,6 +201,24 @@ public static void e(String tag, String msg, Throwable tr) {
    * @param message  The message you would like logged.
    */
   public static void log(int severity, String tag, String message) {
-    LoggerDefinition.log(severity, tag, message);
+    switch (severity) {
+      case Log.VERBOSE:
+        Logger.v(tag, message);
+        break;
+      case Log.DEBUG:
+        Logger.d(tag, message);
+        break;
+      case Log.INFO:
+        Logger.i(tag, message);
+        break;
+      case Log.WARN:
+        Logger.w(tag, message);
+        break;
+      case Log.ERROR:
+        Logger.e(tag, message);
+        break;
+      default:
+        throw new UnsupportedOperationException();
+    }
   }
 }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/log/LoggerDefinition.java

@@ -1,7 +1,5 @@
 package com.mapbox.mapboxsdk.log;
 
-import android.util.Log;
-
 /**
  * Definition of a logger for the Mapbox Maps SDK for Android.
  */
@@ -101,34 +99,4 @@ public interface LoggerDefinition {
    * @param tr  An exception to log
    */
   void e(String tag, String msg, Throwable tr);
-
-  /**
-   * Send a log message based on severity.
-   *
-   * @param severity the log severity
-   * @param tag      Used to identify the source of a log message.  It usually identifies
-   *                 the class or activity where the log call occurs.
-   * @param message  The message you would like logged.
-   */
-  static void log(int severity, String tag, String message) {
-    switch (severity) {
-      case Log.VERBOSE:
-        Logger.v(tag, message);
-        break;
-      case Log.DEBUG:
-        Logger.d(tag, message);
-        break;
-      case Log.INFO:
-        Logger.i(tag, message);
-        break;
-      case Log.WARN:
-        Logger.w(tag, message);
-        break;
-      case Log.ERROR:
-        Logger.e(tag, message);
-        break;
-      default:
-        throw new UnsupportedOperationException();
-    }
-  }
 }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java

@@ -327,11 +327,14 @@ public void onSurfaceCreated(GL10 gl, EGLConfig config) {
     );
 
     // deprecated API
-    nativeMapView.addOnMapChangedListener(change -> {
-      // dispatch events to external listeners
-      if (!onMapChangedListeners.isEmpty()) {
-        for (OnMapChangedListener onMapChangedListener : onMapChangedListeners) {
-          onMapChangedListener.onMapChanged(change);
+    nativeMapView.addOnMapChangedListener(new OnMapChangedListener() {
+      @Override
+      public void onMapChanged(int change) {
+        // dispatch events to external listeners
+        if (!onMapChangedListeners.isEmpty()) {
+          for (OnMapChangedListener onMapChangedListener : onMapChangedListeners) {
+            onMapChangedListener.onMapChanged(change);
+          }
         }
       }
     });

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineManager.java

@@ -237,7 +237,7 @@ public void run() {
    * @param callback completion/error callback
    */
   public void mergeOfflineRegions(@NonNull String path, @NonNull final MergeOfflineRegionsCallback callback) {
-    File src = new File(path);
+    final File src = new File(path);
     new FileUtils.CheckFileReadPermissionTask(new FileUtils.OnCheckFileReadPermissionListener() {
       @Override
       public void onReadPermissionGranted() {
@@ -329,12 +329,12 @@ private static void copyTempDatabaseFile(File sourceFile, File destFile) throws
     }
   }
 
-  private void mergeOfflineDatabaseFiles(@NonNull File file, @NonNull final MergeOfflineRegionsCallback callback,
-                                         boolean isTemporaryFile) {
+  private void mergeOfflineDatabaseFiles(@NonNull final File file, @NonNull final MergeOfflineRegionsCallback callback,
+                                         final boolean isTemporaryFile) {
     fileSource.activate();
     mergeOfflineRegions(fileSource, file.getAbsolutePath(), new MergeOfflineRegionsCallback() {
       @Override
-      public void onMerge(OfflineRegion[] offlineRegions) {
+      public void onMerge(final OfflineRegion[] offlineRegions) {
         getHandler().post(new Runnable() {
           @Override
           public void run() {
@@ -348,7 +348,7 @@ public void run() {
       }
 
       @Override
-      public void onError(String error) {
+      public void onError(final String error) {
         getHandler().post(new Runnable() {
           @Override
           public void run() {

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/CustomGeometrySource.java

@@ -230,7 +230,7 @@ private void startThreads() {
       }
 
       executor = new ThreadPoolExecutor(THREAD_POOL_LIMIT, THREAD_POOL_LIMIT,
-        0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(),
+        0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(),
         new ThreadFactory() {
           final AtomicInteger threadCount = new AtomicInteger();
           final int poolId = poolCount.getAndIncrement();

platform/android/gradle/dependencies.gradle

@@ -8,7 +8,7 @@ ext {
     ]
 
     versions = [
-            mapboxServices  : '3.4.1',
+            mapboxServices  : '4.0.0',
             mapboxTelemetry : '3.3.0',
             mapboxGestures  : '0.2.0',
             supportLib      : '27.1.1',