[jnigen] Summarizer fix (#116)

Author: mahesh-hegde

pkgs/jnigen/example/in_app_java/android/app/src/main/java/com/example/in_app_java/AndroidUtils.java

@@ -9,8 +9,11 @@
 import androidx.annotation.Keep;
 
 @Keep
-public class AndroidUtils {
-  static void showToast(Activity mainActivity, CharSequence text, int duration) {
+public abstract class AndroidUtils {
+  // Hide constructor
+  private AndroidUtils() {}
+
+  public static void showToast(Activity mainActivity, CharSequence text, int duration) {
     mainActivity.runOnUiThread(() -> Toast.makeText(mainActivity, text, duration).show());
   }
 }

pkgs/jnigen/example/in_app_java/lib/android_utils.dart

@@ -22,13 +22,6 @@ final ffi.Pointer<T> Function<T extends ffi.NativeType>(String sym) jniLookup =
 class AndroidUtils extends jni.JniObject {
   AndroidUtils.fromRef(ffi.Pointer<ffi.Void> ref) : super.fromRef(ref);
 
-  static final _ctor = jniLookup<ffi.NativeFunction<jni.JniResult Function()>>(
-          "AndroidUtils__ctor")
-      .asFunction<jni.JniResult Function()>();
-
-  /// from: public void <init>()
-  AndroidUtils() : super.fromRef(_ctor().object);
-
   static final _showToast = jniLookup<
           ffi.NativeFunction<
               jni.JniResult Function(ffi.Pointer<ffi.Void>,
@@ -37,7 +30,7 @@ class AndroidUtils extends jni.JniObject {
           jni.JniResult Function(
               ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Void>, int)>();
 
-  /// from: static void showToast(android.app.Activity mainActivity, java.lang.CharSequence text, int duration)
+  /// from: static public void showToast(android.app.Activity mainActivity, java.lang.CharSequence text, int duration)
   static void showToast(
           jni.JniObject mainActivity, jni.JniObject text, int duration) =>
       _showToast(mainActivity.reference, text.reference, duration).check();

pkgs/jnigen/example/in_app_java/src/android_utils/android_utils.c

@@ -18,22 +18,6 @@ void setJniGetters(JniContext (*cg)(void), JNIEnv* (*eg)(void)) {
 // com.example.in_app_java.AndroidUtils
 jclass _c_AndroidUtils = NULL;
 
-jmethodID _m_AndroidUtils__ctor = NULL;
-FFI_PLUGIN_EXPORT
-JniResult AndroidUtils__ctor() {
-  load_env();
-  load_class_gr(&_c_AndroidUtils, "com/example/in_app_java/AndroidUtils");
-  if (_c_AndroidUtils == NULL)
-    return (JniResult){.result = {.j = 0}, .exception = check_exception()};
-  load_method(_c_AndroidUtils, &_m_AndroidUtils__ctor, "<init>", "()V");
-  if (_m_AndroidUtils__ctor == NULL)
-    return (JniResult){.result = {.j = 0}, .exception = check_exception()};
-  jobject _result =
-      (*jniEnv)->NewObject(jniEnv, _c_AndroidUtils, _m_AndroidUtils__ctor);
-  return (JniResult){.result = {.l = to_global_ref(_result)},
-                     .exception = check_exception()};
-}
-
 jmethodID _m_AndroidUtils__showToast = NULL;
 FFI_PLUGIN_EXPORT
 JniResult AndroidUtils__showToast(jobject mainActivity,

pkgs/jnigen/example/pdfbox_plugin/dart_example/bin/pdf_info.dart

@@ -12,7 +12,7 @@ import 'package:pdfbox_plugin/pdfbox_plugin.dart';
 void writeInfo(String file) {
   final inputFile = Jni.newInstance(
       "java/io/FileInputStream", "(Ljava/lang/String;)V", [file]);
-  final pdDoc = PDDocument.load7(inputFile);
+  final pdDoc = PDDocument.load6(inputFile);
   int pages = pdDoc.getNumberOfPages();
   final info = pdDoc.getDocumentInformation();
   final title = info.getTitle();