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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"getInterfaceFromBinder() broken when built with build tools 31.0.0","articleBody":"`getInterfaceFromBinder()` assumes that the field `DESCRIPTOR` exists on `IServiceName$Stub`, however in the Java file generated by `aidl` in build tools `31.0.0` that field has moved to the outer class `IServiceName`.\r\n\r\n```\r\n2021-08-08 06:52:15.863 14126-14518/me.zhanghai.android.files D/librootjava: [EXCEPTION] NoSuchFieldException: No field DESCRIPTOR in class Lme/zhanghai/android/files/provider/remote/IRemoteFileService$Stub; (declaration of 'me.zhanghai.android.files.provider.remote.IRemoteFileService$Stub' appears in /data/app/me.zhanghai.android.files-6Bir_-HtGdJLZbio_yZFdA==/base.apk!classes4.dex)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err: java.lang.NoSuchFieldException: No field DESCRIPTOR in class Lme/zhanghai/android/files/provider/remote/IRemoteFileService$Stub; (declaration of 'me.zhanghai.android.files.provider.remote.IRemoteFileService$Stub' appears in /data/app/me.zhanghai.android.files-6Bir_-HtGdJLZbio_yZFdA==/base.apk!classes4.dex)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at java.lang.Class.getDeclaredField(Native Method)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at eu.chainfire.librootjava.Reflection$InterfaceRetriever.getInterfaceFromBinder(Reflection.java:276)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at eu.chainfire.librootjava.RootIPCReceiver.getInterfaceFromBinder(RootIPCReceiver.java:260)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at eu.chainfire.librootjava.RootIPCReceiver.access$700(RootIPCReceiver.java:45)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at eu.chainfire.librootjava.RootIPCReceiver$2.onReceive(RootIPCReceiver.java:137)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0(LoadedApk.java:1424)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at android.app.-$$Lambda$LoadedApk$ReceiverDispatcher$Args$_BumDX2UKsnxLVrE6UJsJZkotuA.run(Unknown Source:2)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at android.os.Handler.handleCallback(Handler.java:873)\r\n2021-08-08 06:52:15.864 14126-14518/me.zhanghai.android.files W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:99)\r\n2021-08-08 06:52:15.865 14126-14518/me.zhanghai.android.files W/System.err:     at android.os.Looper.loop(Looper.java:193)\r\n2021-08-08 06:52:15.865 14126-14518/me.zhanghai.android.files W/System.err:     at android.os.HandlerThread.run(HandlerThread.java:65)\r\n```\r\n\r\nSee also https://github.com/zhanghai/MaterialFiles/issues/546.","author":{"url":"https://github.com/zhanghai","@type":"Person","name":"zhanghai"},"datePublished":"2021-08-08T14:01:13.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/24/librootjava/issues/24"}