Android：Manifest中的Name属性导致ClassNotFoundException

Question

我最近升级到Android Studio 2.2.2并迁移到新的Firebase SDK。通过此迁移，我不得不将google-services.json文件添加到我的应用中，以支持部分新的Firebase功能。

之前（在升级到2.2.2并迁移到新的Firebase之前），我能够毫无问题地运行我的应用程序。但是，我现在在尝试运行应用程序时立即收到以下错误：

Humanities

我能够修复＆＃34;通过从我的清单中删除 --------- beginning of crash E/AndroidRuntime: FATAL EXCEPTION: main Process: com.troychuinard.fanpolls, PID: 12116 java.lang.RuntimeException: Unable to instantiate application com.troychuinard.fanpolls.FanPollsApplication: java.lang.ClassNotFoundException: Didn't find class "com.troychuinard.fanpolls.FanPollsApplication" on path: DexPathList[[zip file "/data/app/com.troychuinard.fanpolls-2/base.apk"],nativeLibraryDirectories=[/data/app/com.troychuinard.fanpolls-2/lib/x86, /vendor/lib, /system/lib]] at android.app.LoadedApk.makeApplication(LoadedApk.java:578) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4680) at android.app.ActivityThread.-wrap1(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1405) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5417) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) Caused by: java.lang.ClassNotFoundException: Didn't find class "com.troychuinard.fanpolls.FanPollsApplication" on path: DexPathList[[zip file "/data/app/com.troychuinard.fanpolls-2/base.apk"],nativeLibraryDirectories=[/data/app/com.troychuinard.fanpolls-2/lib/x86, /vendor/lib, /system/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) at android.app.Instrumentation.newApplication(Instrumentation.java:981) at android.app.LoadedApk.makeApplication(LoadedApk.java:573) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4680)  at android.app.ActivityThread.-wrap1(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1405)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:148)  at android.app.ActivityThread.main(ActivityThread.java:5417)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)  Suppressed: java.lang.ClassNotFoundException: com.troychuinard.fanpolls.FanPollsApplication at java.lang.Class.classForName(Native Method) at java.lang.BootClassLoader.findClass(ClassLoader.java:781) at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) at java.lang.ClassLoader.loadClass(ClassLoader.java:504) ... 12 more Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available 属性来解决此问题：

一个：

新:(此方法有效）：

我不确定这是否是正确的解决方法，因为我以前能够在我的清单中使用android:name属性而没有任何问题。我试图找出导致此错误的原因以及我如何正确解决。