Android Activity 基础接口知识和常见问题定义方法签名及参数含义一般情况不需要特殊配置相关属性说明布局调整资源管理优化数据更新与同步https://yoshin.blog.csdn.net/article/details/143673878?fromshare=blogdetail&sharetype=blogdetail&sharerId=143673878&sharerefer=PC&sharesource=weixin_35691921&sharefrom=from_link