flutter::FlutterMain Class Reference

#include <flutter_main.h>

Public Member Functions
	~FlutterMain ()
const flutter::Settings &	GetSettings () const
flutter::AndroidRenderingAPI	GetAndroidRenderingAPI ()

Static Public Member Functions
static bool	Register (JNIEnv *env)
static FlutterMain &	Get ()
static AndroidRenderingAPI	SelectedRenderingAPI (const flutter::Settings &settings, int api_level)

Detailed Description

Definition at line 17 of file flutter_main.h.

Constructor & Destructor Documentation

~FlutterMain()

flutter::FlutterMain::~FlutterMain ( )

default

Member Function Documentation

Get()

FlutterMain & flutter::FlutterMain::Get ( )

static

Definition at line 75 of file flutter_main.cc.

                              {
  FML_CHECK(g_flutter_main) << "ensureInitializationComplete must have already "
                               "been called.";
  return *g_flutter_main;
}

References FML_CHECK, and flutter::g_flutter_main.

Referenced by flutter::AttachJNI(), and flutter::GetIsSoftwareRendering().

GetAndroidRenderingAPI()

flutter::AndroidRenderingAPI flutter::FlutterMain::GetAndroidRenderingAPI

(

)

Definition at line 85 of file flutter_main.cc.

                                                               {
  return android_rendering_api_;
}

GetSettings()

const flutter::Settings & flutter::FlutterMain::GetSettings

(

)

const

Definition at line 81 of file flutter_main.cc.

                                                      {
  return settings_;
}

References settings_.

Referenced by flutter::GetIsSoftwareRendering().

Register()

bool flutter::FlutterMain::Register ( JNIEnv *  env )

static

Definition at line 243 of file flutter_main.cc.

                                      {
  static const JNINativeMethod methods[] = {
      {
          .name = "nativeInit",
          .signature = "(Landroid/content/Context;[Ljava/lang/String;Ljava/"
                       "lang/String;Ljava/lang/String;Ljava/lang/String;JI)V",
          .fnPtr = reinterpret_cast<void*>(&Init),
      },
      {
          .name = "nativePrefetchDefaultFontManager",
          .signature = "()V",
          .fnPtr = reinterpret_cast<void*>(&PrefetchDefaultFontManager),
      },
  };
 
  jclass clazz = env->FindClass("io/flutter/embedding/engine/FlutterJNI");
 
  if (clazz == nullptr) {
    return false;
  }
 
  return env->RegisterNatives(clazz, methods, std::size(methods)) == 0;
}

References flutter::PrefetchDefaultFontManager().

Referenced by JNI_OnLoad().

SelectedRenderingAPI()

AndroidRenderingAPI flutter::FlutterMain::SelectedRenderingAPI ( const flutter::Settings &  settings, int  api_level  )

static

Definition at line 268 of file flutter_main.cc.

                   {
#if !SLIMPELLER
  if (settings.enable_software_rendering) {
    if (settings.enable_impeller) {
      FML_CHECK(!settings.enable_impeller)
          << "Impeller does not support software rendering. Either disable "
             "software rendering or disable impeller.";
    }
    return AndroidRenderingAPI::kSoftware;
  }
 
  // Debug/Profile only functionality for testing a specific
  // backend configuration.
#ifndef FLUTTER_RELEASE
  if (settings.requested_rendering_backend == "opengles" &&
      settings.enable_impeller) {
    return AndroidRenderingAPI::kImpellerOpenGLES;
  }
  if (settings.requested_rendering_backend == "vulkan" &&
      settings.enable_impeller) {
    return AndroidRenderingAPI::kImpellerVulkan;
  }
#endif
 
  if (settings.enable_impeller &&
      api_level >= kMinimumAndroidApiLevelForImpeller && !IsVivante()) {
    return AndroidRenderingAPI::kImpellerAutoselect;
  }
 
  return AndroidRenderingAPI::kSkiaOpenGLES;
#else
  return AndroidRenderingAPI::kImpellerAutoselect;
#endif  // !SLIMPELLER
}

References flutter::Settings::enable_impeller, flutter::Settings::enable_software_rendering, FML_CHECK, flutter::kMinimumAndroidApiLevelForImpeller, and flutter::Settings::requested_rendering_backend.

Referenced by flutter::testing::TEST().

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The documentation for this class was generated from the following files:

• shell/platform/android/flutter_main.h
• shell/platform/android/flutter_main.cc