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我正在尝试为我的项目创建发布版本。生成 release-apk 后，当我安装并启动它时，它给了我以下错误

06-20 17:45:47.629   800   861 I WindowManager: B2026652 WAR. Hide the surface com.google.android.tvlauncher/com.google.android.tvlauncher.MainActivity
06-20 17:45:47.637 14162 14162 D AndroidRuntime: Shutting down VM
06-20 17:45:47.639 14162 14162 E AndroidRuntime: FATAL EXCEPTION: main
06-20 17:45:47.639 14162 14162 E AndroidRuntime: Process: com.tv.app, PID: 14162
06-20 17:45:47.639 14162 14162 E AndroidRuntime: java.lang.RuntimeException: Unable to instantiate application com.tv.app.exoui.DemoApplication: java.lang.ClassCastException: com.tv.app.exoui.DemoApplication cannot be cast to android.app.Application
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.LoadedApk.makeApplication(LoadedApk.java:971)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5816)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.ActivityThread.-wrap1(Unknown Source:0)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1662)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.os.Handler.dispatchMessage(Handler.java:105)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.os.Looper.loop(Looper.java:164)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.ActivityThread.main(ActivityThread.java:6592)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at java.lang.reflect.Method.invoke(Native Method)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
06-20 17:45:47.639 14162 14162 E AndroidRuntime: Caused by: java.lang.ClassCastException: com.tv.app.exoui.DemoApplication cannot be cast to android.app.Application
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.Instrumentation.newApplication(Instrumentation.java:1101)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.Instrumentation.newApplication(Instrumentation.java:1086)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    at android.app.LoadedApk.makeApplication(LoadedApk.java:965)
06-20 17:45:47.639 14162 14162 E AndroidRuntime:    ... 9 more
06-20 17:45:47.644   800   861 I WindowManager: B2026652 WAR. Hide the surface com.google.android.tvlauncher/com.google.android.tvlauncher.MainActivity

但是当我在调试构建中运行相同的代码时，我没有收到此错误

虽然构建发布构建 proguard 显示了一些警告，但由于该应用程序在调试构建中运行良好，我在 proguard-rules.pro 中给出了~ignorewarnings，这可能是一个问题吗？

代码 ：

    public class DemoApplication extends Application {
    ...
    }

AndroidManifest.xml

<application
    android:allowBackup="false"     
    android:largeHeap="true"
    android:name=".exoui.DemoApplication"
    android:testOnly="false">
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