Error: Didn't find class "com.google.android.gms.common.ConnectionResult

[Gerry Fan]

I took sample Native-activity, adding google-play-services to get a game service point, but I get lot of errors that could not find gms classes: 

E/GamesNativeSDK(31779): Exception in java/lang/ClassLoader.loadClass: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.ConnectionResult" on path: DexPathList[[directory "."],nativeLibraryDirectories=[/vendor/lib, /system/lib]].

E/GamesNativeSDK(31779): Exception in java/lang/ClassLoader.loadClass: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.GooglePlayServicesUtil" on path: DexPathList[[directory "."],nativeLibraryDirectories=[/vendor/lib, /system/lib]].

E/GamesNativeSDK(31779): Exception in java/lang/ClassLoader.loadClass: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.api.Api" on path: DexPathList[[directory "."],nativeLibraryDirectories=[/vendor/lib, /system/lib]].

....

The code section is like this: 

      gpg::AndroidInitialization::android_main(app_state);

      plat_config_.SetActivity(app_state->activity->clazz);

      gpg::GameServices::Builder  my_builder;

      my_builder.SetOnLog([this](gpg::LogLevel level, std::string const &msg) {

                          onLogCallback(level, msg);}, gpg::LogLevel::VERBOSE)

          .SetOnAuthActionStarted([this](gpg::AuthOperation op) {

                  onAuthStarted(op);})

          .SetOnAuthActionFinished([this](gpg::AuthOperation op, gpg::AuthStatus status) {

              onAuthActionFinsihed(op, status);})

          .SetOnMultiplayerInvitationEvent([this](gpg::MultiplayerEvent event, std::string match_id, gpg::MultiplayerInvitation invitation){

              onMultiplayerInvitationEvent(event, match_id, invitation);});

      LOGI("gfan: Pre-Create");

      gpg_services_ = my_builder.Create(plat_config_);

      LOGI("gfan: Creating the Services done");

   

LOCAL_MODULE    := SimpleTriangle

LOCAL_SRC_FILES := main_entry.cpp game_engine.cpp game_helper.cpp gpg_helper.cpp

LOCAL_CFLAGS    :=

LOCAL_LDLIBS    := -llog -landroid -lEGL -lGLESv2

LOCAL_STATIC_LIBRARIES := cpufeatures android_native_app_glue ndk_helper gpg-1 gnustl-static

LOCAL_C_INCLUDES := $(LOCAL_PATH)/.. $(NDK_MODULE_PATH)/gpg-cpp-sdk/android/include

#hard-fp setting

ifneq ($(filter %armeabi-v7a,$(TARGET_ARCH_ABI)),)

  #For now, only armeabi-v7a is supported for hard-fp

  #adding compiler/linker flags specifying hard float ABI for user code and math library

  LOCAL_CFLAGS += -mhard-float -D_NDK_MATH_NO_SOFTFP=1

  LOCAL_LDLIBS += -lm_hard

  ifeq (,$(filter -fuse-ld=mcld,$(APP_LDFLAGS) $(LOCAL_LDFLAGS)))

    #Supressing warn-mismatch warnings

    LOCAL_LDFLAGS += -Wl,--no-warn-mismatch

  endif

endif

include $(BUILD_SHARED_LIBRARY)

$(call import-module,android/ndk_helper)

$(call import-module,gpg-cpp-sdk/android)

$(call import-module,android/native_app_glue)

[Gerry Fan]

update -- it was fixed by removing "hasCode=true" in AndroidManifest. It seems "hasCode" could not be true:   

    <application android:label="@string/app_name">

[RUBAN]

Great.You solved it by yourself.

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Thanks&Regards,
J.Ruban

Email         : ruban...@gmail.com

Linkedin     : http://in.linkedin.com/pub/ruban-raj/40/74b/307

Blog           : http://www.rubanbtech.blogspot.in/
                   : http://buildingmobileapp.wordpress.com/

[Johan Euphrosine]

Note that more recent version of gpg-cpp-sdk expect hasCode=true.