应用程序在这个模拟器上运行，我试图实现Google Play游戏服务，看起来这个服务无法连接 . 我试过多个模拟器 . 现在，当我运行应用程序时，我得到的只是黑屏 .
这是Android监视器：
09-18 13:11:28.507 1141-1141/? E/Drm: Failed to open plugin directory /vendor/lib/mediadrm
09-18 13:11:29.897 1963-8847/com.google.android.gms E/ChromeSync: [Sync,SyncAdapter] Failed to sync.
hlr: Error when calling the server (message: Application credential header not valid. Please fix the client to pass a valid application credential header.).
at hlt.b(:com.google.android.gms:11)
at hmd.c(:com.google.android.gms:1)
at hmh.b(:com.google.android.gms:61)
at hmf.a(:com.google.android.gms:12)
at jlo.onPerformSync(:com.google.android.gms:2)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:259)
Caused by: aury: INVALID_ARGUMENT: Application credential header not valid. Please fix the client to pass a valid application credential header.
at auru.c(:com.google.android.gms:2)
at jgq.a(:com.google.android.gms:62)
at hlt.b(:com.google.android.gms:9)
at hmd.c(:com.google.android.gms:1)
at hmh.b(:com.google.android.gms:61)
at hmf.a(:com.google.android.gms:12)
at jlo.onPerformSync(:com.google.android.gms:2)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:259)
09-18 13:11:41.977 8863-8863/? E/memtrack: Couldn't load memtrack module (No such file or directory)
09-18 13:11:41.977 8863-8863/? E/android.os.Debug: failed to load memtrack module: -2
09-18 13:11:42.887 1963-1972/com.google.android.gms E/StrictMode: A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks.
java.lang.Throwable: Explicit termination method 'close' not called
at dalvik.system.CloseGuard.open(CloseGuard.java:184)
at android.os.ParcelFileDescriptor.<init>(ParcelFileDescriptor.java:179)
at android.os.ParcelFileDescriptor.<init>(ParcelFileDescriptor.java:168)
at android.os.ParcelFileDescriptor.createPipe(ParcelFileDescriptor.java:362)
at com.google.android.gms.ads.internal.request.n.a(:com.google.android.gms:1)
at com.google.android.gms.ads.internal.request.n.writeToParcel(:com.google.android.gms:5)
at jdq.a(:com.google.android.gms:16)
at com.google.android.gms.ads.internal.request.d.writeToParcel(:com.google.android.gms:28)
at brr.a(:com.google.android.gms:6)
at com.google.android.gms.ads.internal.request.k.a(:com.google.android.gms:0)
at com.google.android.gms.ads.internal.request.service.i.run(:com.google.android.gms:7)
at com.google.android.gms.ads.internal.util.v.call(:com.google.android.gms:1)
at com.google.android.gms.ads.internal.util.w.run(:com.google.android.gms:0)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
09-18 13:11:42.957 1816-2482/com.google.process.gapps E/NetworkScheduler.SR: Unrecognised action provided: android.intent.action.PACKAGE_REMOVED
09-18 13:11:43.397 8903-8903/? E/memtrack: Couldn't load memtrack module (No such file or directory)
此外，我尝试使用adb install将已签名的 apk 安装到模拟器，但会出现同样的问题 .