title: Error on some devices - couldn't find class 'com.google.android.gms.measurement.internal.zzz'
body: <p>I am working on an Android Custom Launcher. The application runs perfectly on some phones but do not start on others. On launching the application the following error occurs.</p>
  
  <pre><code>E/dalvikvm﹕ Could not find class 'com.google.android.gms.measurement.internal.zzz', referenced from method com.google.android.gms.measurement.internal.zzv.zzaL
  
  E/AndroidRuntime﹕ FATAL EXCEPTION: main
  
  java.lang.VerifyError: com/google/android/gms/measurement/internal/zzv
              at com.google.android.gms.measurement.AppMeasurementContentProvider.onCreate(Unknown Source)
              at android.content.ContentProvider.attachInfo(ContentProvider.java:1651)
              at android.content.ContentProvider.attachInfo(ContentProvider.java:1622)
              at android.app.ActivityThread.installProvider(ActivityThread.java:5016)
              at android.app.ActivityThread.installContentProviders(ActivityThread.java:4590)
              at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4530)
              at android.app.ActivityThread.access$1500(ActivityThread.java:155)
              at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1385)
              at android.os.Handler.dispatchMessage(Handler.java:110)
              at android.os.Looper.loop(Looper.java:193)
              at android.app.ActivityThread.main(ActivityThread.java:5300)
              at java.lang.reflect.Method.invokeNative(Native Method)
              at java.lang.reflect.Method.invoke(Method.java:515)
              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:830)
              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:646)
              at dalvik.system.NativeStart.main(Native Method)
  </code></pre>