diff --git a/android/src/main/java/com/flutter_webview_plugin/WebviewManager.java b/android/src/main/java/com/flutter_webview_plugin/WebviewManager.java
index e19b2a08..accaeddb 100644
--- a/android/src/main/java/com/flutter_webview_plugin/WebviewManager.java
+++ b/android/src/main/java/com/flutter_webview_plugin/WebviewManager.java
@@ -190,6 +190,7 @@ public void openFileChooser(ValueCallback<Uri> uploadMsg) {
 
             // For Android 3.0+
             public void openFileChooser(ValueCallback uploadMsg, String acceptType) {
+                @SuppressWarnigns("unchecked")
                 mUploadMessage = uploadMsg;
                 Intent i = new Intent(Intent.ACTION_GET_CONTENT);
                 i.addCategory(Intent.CATEGORY_OPENABLE);