Android 查找泄漏原因金丝雀泄漏痕迹

LeakCanary报告我们的应用程序内存泄漏，泄漏跟踪如下：

05-24 08:41:05.380044 16534 19408 D LeakCanary: HeapAnalysisSuccess(heapDumpFile=/data/user/0/..../files/leakcanary/2020-05-24_08-24-07_502.hprof, createdAtTimeMillis=1590334865374, analysisDurationMillis=85525, applicationLeaks=[ApplicationLeak(className=<>.media.MediaControlActivity, leakTrace=
05-24 08:41:05.380044 16534 19408 D LeakCanary: ┬
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ android.provider.FontsContract
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: NO (HomeApplication↓ is not leaking and a class is never leaking)
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    GC Root: System class
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ static FontsContract.sContext
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ <>.application.HomeApplication
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: NO (Application is a singleton)
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    HomeApplication does not wrap an activity context
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ HomeApplication.mLoadedApk
05-24 08:41:05.380044 16534 19408 D LeakCanary: │                      ~~~~~~~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ android.app.LoadedApk
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ LoadedApk.mReceivers
05-24 08:41:05.380044 16534 19408 D LeakCanary: │                ~~~~~~~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ android.util.ArrayMap
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ArrayMap.mArray
05-24 08:41:05.380044 16534 19408 D LeakCanary: │               ~~~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ java.lang.Object[]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ array Object[].[9]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │                     ~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ android.util.ArrayMap
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ArrayMap.mArray
05-24 08:41:05.380044 16534 19408 D LeakCanary: │               ~~~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ java.lang.Object[]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ array Object[].[58]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │                     ~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ ayf
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ayf.a
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ ayg
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ayg.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ als
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ als.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ alt
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ alt.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ╰→ <>.media.MediaControlActivity
05-24 08:41:05.380044 16534 19408 D LeakCanary: ​     Leaking: YES (Activity#mDestroyed is true and ObjectWatcher was watching this)
05-24 08:41:05.380044 16534 19408 D LeakCanary: ​     key = 758a249e-d3c7-44e3-b633-4649a5574735
05-24 08:41:05.380044 16534 19408 D LeakCanary: ​     watchDurationMillis = 5397
05-24 08:41:05.380044 16534 19408 D LeakCanary: ​     retainedDurationMillis = 393
05-24 08:41:05.380044 16534 19408 D LeakCanary: , retainedHeapByteSize=43842), ApplicationLeak(className=aym, leakTrace=
05-24 08:41:05.380044 16534 19408 D LeakCanary: ┬

因此，我的问题是：

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-为什么这里的痕迹模糊了？是因为proguard吗？如果没有，还有什么？

跟踪是模糊的，因为代码是模糊的。如果您为该构建启用了Proguard，则有一个插件可以帮助LeakCanary：

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如果您没有启用Proguard，那么很可能是因为您使用的库已被混淆。你应该试着找出它是哪个库。

这是在我集成了Glide之后开始发生的，所以也添加了该标记。是的，在我引用映射文件之后，它变成了Glide问题。

├─ java.lang.Object[]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ array Object[].[58]
05-24 08:41:05.380044 16534 19408 D LeakCanary: │                     ~~~~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ ayf
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ayf.a
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ ayg
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ ayg.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ als
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ als.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~
05-24 08:41:05.380044 16534 19408 D LeakCanary: ├─ alt
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    Leaking: UNKNOWN
05-24 08:41:05.380044 16534 19408 D LeakCanary: │    ↓ alt.b
05-24 08:41:05.380044 16534 19408 D LeakCanary: │          ~