08 2021 档案

Navigation
摘要：Navigation 基本操作 activity_main.xml <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://sche 阅读全文
posted @ 2021-08-23 17:07 _Sylvan 阅读(305) 评论(0) 推荐(0)
LiveData
摘要：ViewModel 添加依赖 implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0' activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout x 阅读全文
posted @ 2021-08-17 13:30 _Sylvan 阅读(109) 评论(0) 推荐(0)
DataBinding
摘要：DataBinding 添加依赖 implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0' 不用再 findViewById 了; 减少了 Avtivity和Fragment的逻辑处理，使Activity 和Fragment逻辑更加 阅读全文
posted @ 2021-08-17 13:30 _Sylvan 阅读(105) 评论(0) 推荐(0)
ViewModel
摘要：ViewModel 添加依赖 implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0' activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout x 阅读全文
posted @ 2021-08-17 13:29 _Sylvan 阅读(142) 评论(0) 推荐(0)