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Text* alert = Text::create("Layout", "fonts/Marker Felt.ttf", 30 );        alert->setColor(Color3B(159, 168, 176));        alert->setPosition(Point(widgetSize.width / 2.0f,                                 widgetSize.height / 2.0f - alert->getSize().height * 3.075f));                addChild(alert);                        Layout* layout = Layout::create();        layout->setSize(Size(280, 150));        layout->setBackGroundColorType(LAYOUT_COLOR_SOLID);        layout->setBackGroundColor(Color3B::RED);        layout->setPosition(Point(widgetSize.width / 2,widgetSize.height / 2));        addChild(layout);                Button* button = Button::create("animationbuttonnormal.png", "animationbuttonpressed.png");        button->setPosition(Point(button->getSize().width / 2.0f,                                  layout->getSize().height - button->getSize().height / 2.0f));        layout->addChild(button);                        Button* titleButton = Button::create("backtotopnormal.png","backtotoppressed.png");        titleButton->setTitleText("Title Button");        titleButton->setScale9Enabled(true);        titleButton->setSize(Size(100, 100));        titleButton->setTitleFontSize(20);                        titleButton->setPosition(Point(layout->getSize().width / 2.0f, layout->getSize().height / 2.0f));        layout->addChild(titleButton);

/*渐变色*/        layout->setBackGroundColorType(LAYOUT_COLOR_GRADIENT);        layout->setBackGroundColor(Color3B::RED, Color3B(192, 192, 192));

/*单色*/        layout->setBackGroundColorType(LAYOUT_COLOR_SOLID);        layout->setBackGroundColor(Color3B::RED);

/*以图片为背景*/        layout->setBackGroundImageScale9Enabled(true);        layout->setBackGroundImage("green_edit.png");

//纵向排列，这里相似Android里的线性布局         layout->setLayoutType(LAYOUT_LINEAR_VERTICAL);

//横向排列，这里相似Android里的线性布局         layout->setLayoutType(LAYOUT_LINEAR_HORIZONTAL);