library_loader.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "flutter/fml/platform/android/jni_util.h"
#include "flutter/shell/platform/android/android_image_generator.h"
#include "flutter/shell/platform/android/flutter_main.h"
#include "flutter/shell/platform/android/platform_view_android.h"
#include "flutter/shell/platform/android/vsync_waiter_android.h"
 
// This is called by the VM when the shared library is first loaded.
JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
  // Initialize the Java VM.
  fml::jni::InitJavaVM(vm);
 
  JNIEnv* env = fml::jni::AttachCurrentThread();
  bool result = false;
 
  // Register FlutterMain.
  result = flutter::FlutterMain::Register(env);
  FML_CHECK(result);
 
  // Register PlatformView
  result = flutter::PlatformViewAndroid::Register(env);
  FML_CHECK(result);
 
  // Register VSyncWaiter.
  result = flutter::VsyncWaiterAndroid::Register(env);
  FML_CHECK(result);
 
  // Register AndroidImageDecoder.
  result = flutter::AndroidImageGenerator::Register(env);
  FML_CHECK(result);
 
  return JNI_VERSION_1_4;
}