安卓新手，内存泄漏问题

问题描述

• A = 主页面 fragment
• B = 输入内容页 fragment
• C = 检索结果页 fragment 我在 A 中进行 replace 跳转到一个 B，完成输入后 replace 跳转到 C，此时使用 home 键进入后台运行，发生内存泄漏问题

报错情况

D/HomePageFragment: BaseFragment-->onPause() D/DiscovryFragment: BaseFragment-->onPause() D/TvItemsFragment: BaseFragment-->onPause() D/MainActivity: BaseActivity-->onPause() D/LeakCanary: Scheduling check for retained objects in 5000ms because app became invisible D/HomePageFragment: BaseFragment-->onStop() D/DiscoveryFragment: BaseFragment-->onStop() D/CommendFragment: BaseFragment-->onStop() D/TvItemsFragment: BaseFragment-->onStop() D/MainActivity: BaseActivity-->onStop() D/MainActivity: BaseActivity-->onSaveInstanceState() D/LeakCanary: ==================================== HEAP ANALYSIS RESULT ==================================== 1 APPLICATION LEAKS References underlined with "~~~" are likely causes. Learn more at https://squ.re/leaks. 53078 bytes retained by leaking objects Signature: b01ba777d9ce636d68e71237f54fafe95ee827f8 ┬─── │ GC Root: System class │ ├─ android.view.inputmethod.InputMethodManager class │ Leaking: NO (InputMethodManager↓ is not leaking and a class is never leaking) │ ↓ static InputMethodManager.sInstance ├─ android.view.inputmethod.InputMethodManager instance │ Leaking: NO (ViewRootImpl↓ is not leaking and InputMethodManager is a singleton) │ ↓ InputMethodManager.mCurRootView ├─ android.view.ViewRootImpl instance │ Leaking: NO (ViewPager2$RecyclerViewImpl↓ is not leaking and ViewRootImpl#mView is not null) │ ↓ ViewRootImpl.mImeFocusController ├─ android.view.ImeFocusController instance │ Leaking: NO (ViewPager2$RecyclerViewImpl↓ is not leaking) │ ↓ ImeFocusController.mNextServedView ├─ androidx.viewpager2.widget.ViewPager2$RecyclerViewImpl instance │ Leaking: NO (SearchFragment↓ is not leaking and View attached) │ mContext instance of com.moviemore.android.ui.MainActivity with mDestroyed = false │ View.parent androidx.viewpager2.widget.ViewPager2 attached as well │ View#mParent is set │ View#mAttachInfo is not null (view attached) │ View.mID = R.id.null │ View.mWindowAttachCount = 1 │ ↓ ViewPager2$RecyclerViewImpl.mAdapter ├─ com.moviemore.android.ui.common.ui.BaseViewPagerFragment$VpAdapter instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ BaseViewPagerFragment$VpAdapter.mFragmentManager ├─ androidx.fragment.app.FragmentManagerImpl instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ FragmentManagerImpl.mFragmentStore ├─ androidx.fragment.app.FragmentStore instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ FragmentStore.mActive ├─ java.util.HashMap instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ HashMap.table ├─ java.util.HashMap$Node[] array │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ HashMap$Node[].[6] ├─ java.util.HashMap$Node instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ HashMap$Node.value ├─ androidx.fragment.app.FragmentStateManager instance │ Leaking: NO (SearchFragment↓ is not leaking) │ ↓ FragmentStateManager.mFragment ├─ com.moviemore.android.ui.search.SearchFragment instance │ Leaking: NO (Fragment#mFragmentManager is not null) │ ↓ SearchFragment.rootView │ ~~~~~~~~ → android.widget.LinearLayout instance Leaking: YES (ObjectWatcher was watching this because com.moviemore.android.ui.search.SearchFragment received Fragment#onDestroyView() callback (references to its views should be cleared to prevent leaks)) key = 888671cb-ecda-4776-b4dd-b4f2350acb32 watchDuratiOnMillis= 7210 retainedDuratiOnMillis= 2208 mContext instance of com.moviemore.android.ui.MainActivity with mDestroyed = false View#mParent is null View#mAttachInfo is null (view detached) View.mWindowAttachCount = 1 ==================================== 0 LIBRARY LEAKS