diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/camera/CameraRollManager.java b/ReactAndroid/src/main/java/com/facebook/react/modules/camera/CameraRollManager.java
index 7356b048c19..25780267549 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/camera/CameraRollManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/camera/CameraRollManager.java
@@ -293,23 +293,27 @@ public class CameraRollManager extends ReactContextBaseJavaModule {
         selectionArgs.add(mGroupName);
       }
 
-      if (mAssetType.equals(ASSET_TYPE_PHOTOS)) {
-        selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " = "
-          + MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
-      } else if (mAssetType.equals(ASSET_TYPE_VIDEOS)) {
-        selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " = "
-          + MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO);
-      } else if (mAssetType.equals(ASSET_TYPE_ALL)) {
-        selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " IN ("
-          + MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO + ","
-          + MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE + ")");
-      } else {
-        mPromise.reject(
-          ERROR_UNABLE_TO_FILTER,
-          "Invalid filter option: '" + mAssetType + "'. Expected one of '"
-            + ASSET_TYPE_PHOTOS + "', '" + ASSET_TYPE_VIDEOS + "' or '" + ASSET_TYPE_ALL + "'."
-        );
-        return;
+      switch (mAssetType) {
+        case ASSET_TYPE_PHOTOS:
+          selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " = "
+            + MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
+          break;
+        case ASSET_TYPE_VIDEOS:
+          selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " = "
+            + MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO);
+          break;
+        case ASSET_TYPE_ALL:
+          selection.append(" AND " + MediaStore.Files.FileColumns.MEDIA_TYPE + " IN ("
+            + MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO + ","
+            + MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE + ")");
+          break;
+        default:
+          mPromise.reject(
+            ERROR_UNABLE_TO_FILTER,
+            "Invalid filter option: '" + mAssetType + "'. Expected one of '"
+              + ASSET_TYPE_PHOTOS + "', '" + ASSET_TYPE_VIDEOS + "' or '" + ASSET_TYPE_ALL + "'."
+          );
+          return;
       }
 
 
diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/vibration/VibrationModule.java b/ReactAndroid/src/main/java/com/facebook/react/modules/vibration/VibrationModule.java
index 153f800f775..161a7cc19cc 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/vibration/VibrationModule.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/vibration/VibrationModule.java
@@ -42,13 +42,12 @@ public class VibrationModule extends ReactContextBaseJavaModule {
 
   @ReactMethod
   public void vibrateByPattern(ReadableArray pattern, int repeat) {
-    long[] patternLong = new long[pattern.size()];
-    for (int i = 0; i < pattern.size(); i++) {
-      patternLong[i] = pattern.getInt(i);
-    }
-
     Vibrator v = (Vibrator) getReactApplicationContext().getSystemService(Context.VIBRATOR_SERVICE);
     if (v != null) {
+      long[] patternLong = new long[pattern.size()];
+      for (int i = 0; i < pattern.size(); i++) {
+        patternLong[i] = pattern.getInt(i);
+      } 
       v.vibrate(patternLong, repeat);
     }
   }
diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/websocket/WebSocketModule.java b/ReactAndroid/src/main/java/com/facebook/react/modules/websocket/WebSocketModule.java
index f28f271f7f0..c2c4021ed3c 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/websocket/WebSocketModule.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/websocket/WebSocketModule.java
@@ -342,12 +342,19 @@ public final class WebSocketModule extends ReactContextBaseJavaModule {
       String scheme = "";
 
       URI requestURI = new URI(uri);
-      if (requestURI.getScheme().equals("wss")) {
-        scheme += "https";
-      } else if (requestURI.getScheme().equals("ws")) {
-        scheme += "http";
-      } else if (requestURI.getScheme().equals("http") || requestURI.getScheme().equals("https")) {
-        scheme += requestURI.getScheme();
+      switch (requestURI.getScheme()) {
+        case "wss":
+          scheme += "https";
+          break;
+        case "ws":
+          scheme += "http";
+          break;
+        case "http":
+        case "https":
+          scheme += requestURI.getScheme();
+          break;
+        default:
+          break;
       }
 
       if (requestURI.getPort() != -1) {