create texturer dynamically

HI dude

     I have to make  the texture  dynamically .

    i tried to do this with the help of this link   : https://developer.vuforia.com/forum/faq/android-how-do-i-add-textures-my-model

    but  i am getting black texture .

 

 

 

 JNIEXPORT void JNICALLJava_com_adstuck_times_iar_VideoPlayback_createGLTextureNative(                                                    JNIEnv* env, jobject obj, jobject textureObjectNew){    if (textureObjectNew != NULL)    {         myTexture = Texture::create(env, textureObjectNew);        glGenTextures(1, &(myTexture->mTextureID));        glBindTexture(GL_TEXTURE_2D, myTexture->mTextureID);        // if ( myTexture->mTextureID != NULL)        {        LOG("texture is not nulllllllll   =======================>");    //  here i got the print statement.        }        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, myTexture->mWidth,                     myTexture->mHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,(GLvoid*) myTexture->mData);        LOG("dynamic texture created   ############################");  // here i got the print statement       }} but when i use it ............... void renderTransitionTo2D(){ checkRender=false; if (startTransition3Dto2D){ // Starts the Transitiontransition3Dto2D->startTransition(transitionDuration, false, true);LOG("if startTransition3Dto2D is true-------------------------------->");// Initialize control state variablesstartTransition3Dto2D = false; }else{ //if (textures[0]->mTextureID != 0 )//if ( myTexture->mTextureID != NULL){ transition3Dto2D->render(projectionMatrix, pose, myTexture->mTextureID);     // hete i used it as a texture LOG("if startTransition3Dto2D is false-------------------------------->");// check if transition is finishedif (transition3Dto2D->transitionFinished() ){isShowing2DOverlay = true; }}}  finally i got black texture.. pls help......