I have a classle B 扩展视图,我从通过设置ContentView扩展活动活动的A类中调用。 在B类中,我可以利用鼠标运动听众和油漆功能来绘制任何东西。 现在我想在我的类B上添加按钮,这样我就可以去A类,做一些修改。我已经尝试了一些代码,但是没有工作。
prechle="LOk-roid-overrider"\code=公共类对于运动草签,请尝试扩展相对Layout, 而不是视图 。
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