一.页面带Fragment

1.启动MainActivity

2.MainActivity跳转BActivity

3.BActivity内加载BFragment

# 启动MainActivity
2021-05-07 14:27:36.067 4396-4396/com.bin.demo D/test_bin: MainActivity onCreate
2021-05-07 14:27:36.074 4396-4396/com.bin.demo D/test_bin: MainActivity onStart
2021-05-07 14:27:36.078 4396-4396/com.bin.demo D/test_bin: MainActivity onResume

# MainActivity跳转到BActivity  BActivity加载BFragment
2021-05-07 14:28:54.290 4396-4396/com.bin.demo D/test_bin: MainActivity onPause
2021-05-07 14:28:54.349 4396-4396/com.bin.demo D/test_bin: BActivity onCreate
2021-05-07 14:28:54.373 4396-4396/com.bin.demo D/test_bin: BFragment onAttach
2021-05-07 14:28:54.373 4396-4396/com.bin.demo D/test_bin: BFragment onCreate
2021-05-07 14:28:54.383 4396-4396/com.bin.demo D/test_bin: BFragment onCreateView
2021-05-07 14:28:54.384 4396-4396/com.bin.demo D/test_bin: BFragment onViewCreated
2021-05-07 14:28:54.384 4396-4396/com.bin.demo D/test_bin: BFragment onActivityCreated
2021-05-07 14:28:54.385 4396-4396/com.bin.demo D/test_bin: BFragment onStart
2021-05-07 14:28:54.385 4396-4396/com.bin.demo D/test_bin: BActivity onStart
2021-05-07 14:28:54.388 4396-4396/com.bin.demo D/test_bin: BActivity onResume
2021-05-07 14:28:54.389 4396-4396/com.bin.demo D/test_bin: BFragment onResume
2021-05-07 14:28:54.979 4396-4396/com.bin.demo D/test_bin: MainActivity onStop

# BActivity返回MainActivity  BActivity释放BFragment
2021-05-07 14:29:13.848 4396-4396/com.bin.demo D/test_bin: BFragment onPause
2021-05-07 14:29:13.848 4396-4396/com.bin.demo D/test_bin: BActivity onPause
2021-05-07 14:29:13.858 4396-4396/com.bin.demo D/test_bin: MainActivity onStart
2021-05-07 14:29:13.861 4396-4396/com.bin.demo D/test_bin: MainActivity onResume
2021-05-07 14:29:14.408 4396-4396/com.bin.demo D/test_bin: BFragment onStop
2021-05-07 14:29:14.409 4396-4396/com.bin.demo D/test_bin: BActivity onStop
2021-05-07 14:29:14.412 4396-4396/com.bin.demo D/test_bin: BFragment onDestroyView
2021-05-07 14:29:14.416 4396-4396/com.bin.demo D/test_bin: BFragment onDestroy
2021-05-07 14:29:14.416 4396-4396/com.bin.demo D/test_bin: BFragment onDetach
2021-05-07 14:29:14.417 4396-4396/com.bin.demo D/test_bin: BActivity onDestroy

# Home键回到系统桌面
2021-05-07 14:30:16.981 4396-4396/com.bin.demo D/test_bin: MainActivity onPause
2021-05-07 14:30:17.026 4396-4396/com.bin.demo D/test_bin: MainActivity onStop

# 回到MainActivity   此处回到BActivity也一样Fragment生命周期不会有变化
2021-05-07 14:30:30.961 4396-4396/com.bin.demo D/test_bin: MainActivity onStart
2021-05-07 14:30:30.962 4396-4396/com.bin.demo D/test_bin: MainActivity onResume

# 退出APP
2021-05-07 14:30:59.087 4396-4396/com.bin.demo D/test_bin: MainActivity onPause
2021-05-07 14:30:59.443 4396-4396/com.bin.demo D/test_bin: MainActivity onStop
2021-05-07 14:30:59.446 4396-4396/com.bin.demo D/test_bin: MainActivity onDestroy

二.页面不带Fragment

1.启动MainActivity

2.MainActivity跳转BActivity

# 启动MainActivity
2021-05-07 15:28:03.507 6028-6028/com.bin.demo D/test_bin: MainActivity onCreate
2021-05-07 15:28:03.515 6028-6028/com.bin.demo D/test_bin: MainActivity onStart
2021-05-07 15:28:03.519 6028-6028/com.bin.demo D/test_bin: MainActivity onResume

# MainActivity 跳转 BActivity
021-05-07 15:28:43.569 6028-6028/com.bin.demo D/test_bin: MainActivity onPause
2021-05-07 15:28:43.628 6028-6028/com.bin.demo D/test_bin: BActivity onCreate
2021-05-07 15:28:43.635 6028-6028/com.bin.demo D/test_bin: BActivity onStart
2021-05-07 15:28:43.638 6028-6028/com.bin.demo D/test_bin: BActivity onResume
2021-05-07 15:28:44.228 6028-6028/com.bin.demo D/test_bin: MainActivity onStop