我试图使用admob原生广告表达 https://firebase.google.com/docs/admob/android/native-express
从github下载示例应用程序。 （https://github.com/googleads/googleads-mobile-android-examples/tree/master/admob/NativeExpressExample） 但该应用不显示原生广告。我花了很多时间来找到问题，但我失败了。 有人面临同样的问题吗？或有任何方式来显示它。
这是logcat
06-15 21:07:29.539 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ Late-enabling CheckJNI
06-15 21:07:29.689 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ActivityThread﹕ setTargetHeapUtilization:0.25
06-15 21:07:29.689 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ActivityThread﹕ setTargetHeapIdealFree:8388608
06-15 21:07:29.689 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ActivityThread﹕ setTargetHeapConcurrentStart:2097152
06-15 21:07:29.869 9609-9609/com.google.example.gms.ads.nativeexpressexample I/ActivityThread﹕ Pub com.google.example.gms.ads.nativeexpressexample.firebaseinitprovider: com.google.firebase.provider.FirebaseInitProvider
06-15 21:07:29.959 9609-9609/com.google.example.gms.ads.nativeexpressexample D/FirebaseApp﹕ com.google.firebase.auth.FirebaseAuth is not linked. Skipping initialization.
06-15 21:07:29.969 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.Context.getNoBackupFilesDir, referenced from method com.google.android.gms.common.util.zzx.getNoBackupFilesDir
06-15 21:07:29.969 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 358: Landroid/content/Context;.getNoBackupFilesDir ()Ljava/io/File;
06-15 21:07:29.969 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0006
06-15 21:07:30.029 9609-9609/com.google.example.gms.ads.nativeexpressexample D/FirebaseApp﹕ Initialized class com.google.firebase.iid.FirebaseInstanceId.
06-15 21:07:30.029 9609-9609/com.google.example.gms.ads.nativeexpressexample D/FirebaseApp﹕ com.google.firebase.crash.FirebaseCrash is not linked. Skipping initialization.
06-15 21:07:30.079 9609-9609/com.google.example.gms.ads.nativeexpressexample E/dalvikvm﹕ Could not find class 'android.os.UserManager', referenced from method com.google.android.gms.common.zze.zzan
06-15 21:07:30.079 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve check-cast 267 (Landroid/os/UserManager;) in Lcom/google/android/gms/common/zze;
06-15 21:07:30.079 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x1f at 0x000c
06-15 21:07:30.089 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.pm.PackageManager.getPackageInstaller, referenced from method com.google.android.gms.common.zze.zzk
06-15 21:07:30.089 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 497: Landroid/content/pm/PackageManager;.getPackageInstaller ()Landroid/content/pm/PackageInstaller;
06-15 21:07:30.089 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000b
06-15 21:07:30.149 9609-9609/com.google.example.gms.ads.nativeexpressexample I/FA﹕ App measurement is starting up, version: 9080
06-15 21:07:30.149 9609-9609/com.google.example.gms.ads.nativeexpressexample I/FA﹕ To enable debug logging run: adb shell setprop log.tag.FA VERBOSE
06-15 21:07:30.179 9609-9609/com.google.example.gms.ads.nativeexpressexample E/dalvikvm﹕ Could not find class 'android.app.AppOpsManager', referenced from method com.google.android.gms.internal.zzpv.zzg
06-15 21:07:30.179 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve check-cast 25 (Landroid/app/AppOpsManager;) in Lcom/google/android/gms/internal/zzpv;
06-15 21:07:30.179 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x1f at 0x0010
06-15 21:07:30.879 9609-9609/com.google.example.gms.ads.nativeexpressexample D/FirebaseApp﹕ Initialized class com.google.android.gms.measurement.AppMeasurement.
06-15 21:07:30.879 9609-9609/com.google.example.gms.ads.nativeexpressexample I/FirebaseInitProvider﹕ FirebaseApp initialization successful
06-15 21:07:30.959 9609-9644/com.google.example.gms.ads.nativeexpressexample V/GoogleSignatureVerifier﹕ com.google.android.gms signature not valid. Found: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06-15 21:07:30.989 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to find class referenced in signature (Landroid/view/SearchEvent;)
06-15 21:07:30.989 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.view.Window$Callback.onSearchRequested, referenced from method android.support.v7.internal.view.WindowCallbackWrapper.onSearchRequested
06-15 21:07:30.989 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve interface method 14515: Landroid/view/Window$Callback;.onSearchRequested (Landroid/view/SearchEvent;)Z
06-15 21:07:30.989 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x72 at 0x0002
06-15 21:07:30.999 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.view.Window$Callback.onWindowStartingActionMode, referenced from method android.support.v7.internal.view.WindowCallbackWrapper.onWindowStartingActionMode
06-15 21:07:30.999 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve interface method 14519: Landroid/view/Window$Callback;.onWindowStartingActionMode (Landroid/view/ActionMode$Callback;I)Landroid/view/ActionMode;
06-15 21:07:30.999 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x72 at 0x0002
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.view.ViewGroup.onRtlPropertiesChanged, referenced from method android.support.v7.widget.Toolbar.onRtlPropertiesChanged
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 14410: Landroid/view/ViewGroup;.onRtlPropertiesChanged (I)V
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0007
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.TypedArray.getChangingConfigurations, referenced from method android.support.v7.internal.widget.TintTypedArray.getChangingConfigurations
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 573: Landroid/content/res/TypedArray;.getChangingConfigurations ()I
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0002
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.TypedArray.getType, referenced from method android.support.v7.internal.widget.TintTypedArray.getType
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 595: Landroid/content/res/TypedArray;.getType (I)I
06-15 21:07:31.149 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0002
06-15 21:07:31.899 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.security.NetworkSecurityPolicy.getInstance, referenced from method dah.a
06-15 21:07:31.899 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static method 1659: Landroid/security/NetworkSecurityPolicy;.getInstance ()Landroid/security/NetworkSecurityPolicy;
06-15 21:07:31.899 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x71 at 0x0072
06-15 21:07:31.949 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.pm.PackageManager.getPackageInstaller, referenced from method iek.a
06-15 21:07:31.949 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1063: Landroid/content/pm/PackageManager;.getPackageInstaller ()Landroid/content/pm/PackageInstaller;
06-15 21:07:31.949 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
06-15 21:07:31.959 9609-9609/com.google.example.gms.ads.nativeexpressexample E/dalvikvm﹕ Could not find class 'android.os.UserManager', referenced from method iek.s
06-15 21:07:31.959 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve check-cast 383 (Landroid/os/UserManager;) in Liek;
06-15 21:07:31.959 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x1f at 0x000e
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.app.Notification$Builder.setLocalOnly, referenced from method iei.a
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 792: Landroid/app/Notification$Builder;.setLocalOnly (Z)Landroid/app/Notification$Builder;
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x00f4
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ DexOpt: access denied from Liei; to field Landroid/app/Notification;.extras
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve instance field 521
06-15 21:07:32.129 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x54 at 0x0113
06-15 21:07:32.149 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ChimeraCfgMgr﹕ Reading stored module config
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_64_BIT_ABIS
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 612 (SUPPORTED_64_BIT_ABIS) in Landroid/os/Build;
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x62 at 0x0012
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_32_BIT_ABIS
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 611 (SUPPORTED_32_BIT_ABIS) in Landroid/os/Build;
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x62 at 0x0021
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_64_BIT_ABIS
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 612 (SUPPORTED_64_BIT_ABIS) in Landroid/os/Build;
06-15 21:07:32.289 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x62 at 0x0008
06-15 21:07:32.309 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_ABIS
06-15 21:07:32.309 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 613 (SUPPORTED_ABIS) in Landroid/os/Build;
06-15 21:07:32.309 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x62 at 0x0008
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_64_BIT_ABIS
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ DexOpt: unable to optimize static field ref 0x0264 at 0x17 in Lcom/google/android/chimera/container/FileApkUtils;.getSupportedAbisForCurrentRuntime
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_32_BIT_ABIS
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ DexOpt: unable to optimize static field ref 0x0263 at 0x26 in Lcom/google/android/chimera/container/FileApkUtils;.getSupportedAbisForCurrentRuntime
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Landroid/os/Build;.SUPPORTED_64_BIT_ABIS
06-15 21:07:32.329 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ DexOpt: unable to optimize static field ref 0x0264 at 0x0d in Lcom/google/android/chimera/container/FileApkUtils;.is64BitRuntime
06-15 21:07:32.379 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ChimeraFileApk﹕ Primary ABI of requesting process is armeabi-v7a
06-15 21:07:32.379 9609-9609/com.google.example.gms.ads.nativeexpressexample D/ChimeraFileApk﹕ Classloading successful, but code may not be optimized. It will either run in fallback (interpreted mode) or the odex has been found and isDexOptNeeded is misreporting a failure.
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.ContextWrapper.createDisplayContext, referenced from method com.google.android.chimera.ModuleContext.createDisplayContext
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 966: Landroid/content/ContextWrapper;.createDisplayContext (Landroid/view/Display;)Landroid/content/Context;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0000
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getColor, referenced from method com.google.android.chimera.container.internal.ModuleResources.getColor
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1087: Landroid/content/res/Resources;.getColor (ILandroid/content/res/Resources$Theme;)I
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0006
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getColor, referenced from method com.google.android.chimera.container.internal.ModuleResources.getColor
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1087: Landroid/content/res/Resources;.getColor (ILandroid/content/res/Resources$Theme;)I
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getColorStateList, referenced from method com.google.android.chimera.container.internal.ModuleResources.getColorStateList
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1089: Landroid/content/res/Resources;.getColorStateList (ILandroid/content/res/Resources$Theme;)Landroid/content/res/ColorStateList;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0006
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getColorStateList, referenced from method com.google.android.chimera.container.internal.ModuleResources.getColorStateList
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1089: Landroid/content/res/Resources;.getColorStateList (ILandroid/content/res/Resources$Theme;)Landroid/content/res/ColorStateList;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getDrawable, referenced from method com.google.android.chimera.container.internal.ModuleResources.getDrawable
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1096: Landroid/content/res/Resources;.getDrawable (ILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0006
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getDrawable, referenced from method com.google.android.chimera.container.internal.ModuleResources.getDrawable
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1096: Landroid/content/res/Resources;.getDrawable (ILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getDrawableForDensity, referenced from method com.google.android.chimera.container.internal.ModuleResources.getDrawableForDensity
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1098: Landroid/content/res/Resources;.getDrawableForDensity (IILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6f at 0x0006
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.res.Resources.getDrawableForDensity, referenced from method com.google.android.chimera.container.internal.ModuleResources.getDrawableForDensity
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1098: Landroid/content/res/Resources;.getDrawableForDensity (IILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;
06-15 21:07:32.389 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
06-15 21:07:32.419 9609-9609/com.google.example.gms.ads.nativeexpressexample D/DynamitePackage﹕ Instantiated singleton DynamitePackage.
06-15 21:07:32.419 9609-9609/com.google.example.gms.ads.nativeexpressexample D/DynamitePackage﹕ Instantiating com.google.android.gms.ads.ChimeraAdManagerCreatorImpl
06-15 21:07:32.469 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.security.NetworkSecurityPolicy.getInstance, referenced from method aru.a
06-15 21:07:32.469 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static method 2392: Landroid/security/NetworkSecurityPolicy;.getInstance ()Landroid/security/NetworkSecurityPolicy;
06-15 21:07:32.469 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x71 at 0x0072
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.content.pm.PackageManager.getPackageInstaller, referenced from method brv.a
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 1971: Landroid/content/pm/PackageManager;.getPackageInstaller ()Landroid/content/pm/PackageInstaller;
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000e
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample E/dalvikvm﹕ Could not find class 'android.os.UserManager', referenced from method brv.a
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve check-cast 523 (Landroid/os/UserManager;) in Lbrv;
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x1f at 0x0040
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Lnx;.common_google_play_services_unknown_issue
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 4140 (common_google_play_services_unknown_issue) in Lnx;
06-15 21:07:32.499 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x60 at 0x0012
06-15 21:07:32.569 9609-9663/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Lnx;.common_google_play_services_updating_text
06-15 21:07:32.569 9609-9663/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static field 4146 (common_google_play_services_updating_text) in Lnx;
06-15 21:07:32.569 9609-9663/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x60 at 0x0021
06-15 21:07:32.569 9609-9663/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ DexOpt: couldn't find static field Lnx;.common_google_play_services_updating_title
06-15 21:07:32.569 9609-9663/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ DexOpt: unable to optimize static field ref 0x1033 at 0x2e in Lazx;.a
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 11
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 12
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 13
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 14
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 15
06-15 21:07:32.819 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 16
06-15 21:07:32.829 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 17
06-15 21:07:32.879 9609-9609/com.google.example.gms.ads.nativeexpressexample I/webclipboard﹕ clipservice: android.sec.clipboard.ClipboardExManager@41ba3480
06-15 21:07:32.889 9609-9663/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method java.util.concurrent.ThreadLocalRandom.current, referenced from method ia.a
06-15 21:07:32.889 9609-9663/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve static method 8340: Ljava/util/concurrent/ThreadLocalRandom;.current ()Ljava/util/concurrent/ThreadLocalRandom;
06-15 21:07:32.889 9609-9663/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x71 at 0x0000
06-15 21:07:32.929 9609-9616/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Total arena pages for JIT: 18
06-15 21:07:33.249 9609-9609/com.google.example.gms.ads.nativeexpressexample I/Ads﹕ Starting ad request.
06-15 21:07:33.249 9609-9609/com.google.example.gms.ads.nativeexpressexample I/Ads﹕ Use AdRequest.Builder.addTestDevice("315EA0C5061DFD25EBB0E5BC28752424") to get test ads on this device.
06-15 21:07:33.849 9609-9672/com.google.example.gms.ads.nativeexpressexample V/webkit﹕ BrowserFrame constructor: this=Handler (android.webkit.BrowserFrame) {41b9fa18}
06-15 21:07:33.899 9609-9609/com.google.example.gms.ads.nativeexpressexample D/libEGL﹕ loaded /system/lib/egl/libEGL_adreno200.so
06-15 21:07:33.979 9609-9609/com.google.example.gms.ads.nativeexpressexample D/libEGL﹕ loaded /system/lib/egl/libGLESv1_CM_adreno200.so
06-15 21:07:33.999 9609-9609/com.google.example.gms.ads.nativeexpressexample D/libEGL﹕ loaded /system/lib/egl/libGLESv2_adreno200.so
06-15 21:07:34.009 9609-9609/com.google.example.gms.ads.nativeexpressexample I/Adreno200-EGL﹕ <qeglDrvAPI_eglInitialize:299>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_JB_REL_2.0.3.04.01.02.21.107_msm8625_JB_REL_2.0.3_CL3357771_release_AU (CL3357771)
Build Date: 02/25/13 Mon
Local Branch:
Remote Branch: quic/jb_rel_2.0.3
Local Patches: NONE
Reconstruct Branch: AU_LINUX_ANDROID_JB_REL_2.0.3.04.01.02.21.107 + NOTHING
06-15 21:07:34.499 9609-9609/com.google.example.gms.ads.nativeexpressexample D/OpenGLRenderer﹕ Enabling debug mode 0
06-15 21:07:36.979 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.webkit.WebSettings.setMixedContentMode, referenced from method avu.<init>
06-15 21:07:36.979 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 2662: Landroid/webkit/WebSettings;.setMixedContentMode (I)V
06-15 21:07:36.979 9609-9609/com.google.example.gms.ads.nativeexpressexample D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0057
06-15 21:07:36.989 9609-9609/com.google.example.gms.ads.nativeexpressexample I/dalvikvm﹕ Could not find method android.webkit.WebView.evaluateJavascript, referenced from method avu.evaluateJavascript
06-15 21:07:36.989 9609-9609/com.google.example.gms.ads.nativeexpressexample W/dalvikvm﹕ VFY: unable to resolve virtual method 2672: Landroid/webkit/WebView;.evaluateJavascript
答案 0 :(得分：0)
出现此问题的原因是屏幕上没有足够的宽度来显示原生广告。当我删除根相对布局的左边距和右边距时，广告开始显示。在原生广告快讯中，我们无法控制广告宽度，这就是导致此问题的原因。