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
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
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
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
