title: Class not found when unmarshalling: android.support.v7.widget.Toolbar$SavedState
body: <p>i am using Maps API  to create a simple android app and i get a wierd error i can't solve. It usually happens when i rotate my device. I'm using google services 8.4.0</p>
  
  <pre><code>4-23 15:39:47.503 9419-9419/com.licenta.vladut.mmap E/Parcel: Class not found when unmarshalling: android.support.v7.widget.Toolbar$SavedState
                                                                 java.lang.ClassNotFoundException: android.support.v7.widget.Toolbar$SavedState
                                                                     at java.lang.Class.classForName(Native Method)
                                                                     at java.lang.Class.forName(Class.java:308)
                                                                     at android.os.Parcel.readParcelableCreator(Parcel.java:2275)
                                                                     at android.os.Parcel.readParcelable(Parcel.java:2239)
                                                                     at android.os.Parcel.readValue(Parcel.java:2146)
                                                                     at android.os.Parcel.readSparseArrayInternal(Parcel.java:2540)
                                                                     at android.os.Parcel.readSparseArray(Parcel.java:1868)
                                                                     at android.os.Parcel.readValue(Parcel.java:2203)
                                                                     at android.os.Parcel.readArrayMapInternal(Parcel.java:2479)
                                                                     at android.os.BaseBundle.unparcel(BaseBundle.java:221)
                                                                     at android.os.Bundle.getBundle(Bundle.java:782)
                                                                     at com.google.android.gms.maps.internal.ao.a(:com.google.android.gms.alldynamite:74)
                                                                     at maps.ei.bu.a(Unknown Source)
                                                                     at maps.ei.n.a(Unknown Source)
                                                                     at com.google.android.gms.maps.internal.i$a.onTransact(:com.google.android.gms.alldynamite:107)
                                                                     at android.os.Binder.transact(Binder.java:380)
                                                                     at com.google.android.gms.maps.internal.IMapFragmentDelegate$zza$zza.onCreateView(Unknown Source)
                                                                     at com.google.android.gms.maps.SupportMapFragment$zza.onCreateView(Unknown Source)
                                                                     at com.google.android.gms.dynamic.zza$4.zzb(Unknown Source)
                                                                     at com.google.android.gms.dynamic.zza.zza(Unknown Source)
                                                                     at com.google.android.gms.dynamic.zza.onCreateView(Unknown Source)
                                                                     at com.google.android.gms.maps.SupportMapFragment.onCreateView(Unknown Source)
                                                                     at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
                                                                     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1036)
                                                                     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1230)
                                                                     at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2315)
                                                                     at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
                                                                     at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:357)
                                                                     at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
                                                                     at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:80)
                                                                     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:733)
                                                                     at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
                                                                     at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
                                                                     at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
                                                                     at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:276)
                                                                     at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:136)
                                                                     at com.licenta.vladut.mmap.MainActivity.onCreate(MainActivity.java:54)
                                                                     at android.app.Activity.performCreate(Activity.java:6020)
                                                                     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
                                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2259)
                                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2368)
                                                                     at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3947)
                                                                     at android.app.ActivityThread.access$900(ActivityThread.java:149)
                                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1290)
                                                                     at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                     at android.os.Looper.loop(Looper.java:135)
                                                                     at android.app.ActivityThread.main(ActivityThread.java:5292)
                                                                     at java.lang.reflect.Method.invoke(Native Method)
                                                                     at java.lang.reflect.Method.invoke(Method.java:372)
                                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:908)
                                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:703)
                                                                  Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.widget.Toolbar$SavedState" on path: DexPathList[[zip file "/data/data/com.google.android.gms/app_chimera/m/00000000/DynamiteModules-prod.apk"],nativeLibraryDirectories=[/data/data/com.google.android.gms/app_chimera/m/00000000/n/armeabi-v7a, /vendor/lib, /system/lib]]
                                                                  at dalvik.system.BaseDexClassLoader.f
  04-23 15:39:47.503 9419-9419/com.licenta.vladut.mmap D/AndroidRuntime: Shutting down VM
  04-23 15:39:47.505 9419-9419/com.licenta.vladut.mmap E/AndroidRuntime: FATAL EXCEPTION: main
                                                                         Process: com.licenta.vladut.mmap, PID: 9419
                                                                         java.lang.RuntimeException: Unable to start activity ComponentInfo{com.licenta.vladut.mmap/com.licenta.vladut.mmap.MainActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
                                                                             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2306)
                                                                             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2368)
                                                                             at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3947)
                                                                             at android.app.ActivityThread.access$900(ActivityThread.java:149)
                                                                             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1290)
                                                                             at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                             at android.os.Looper.loop(Looper.java:135)
                                                                             at android.app.ActivityThread.main(ActivityThread.java:5292)
                                                                             at java.lang.reflect.Method.invoke(Native Method)
                                                                             at java.lang.reflect.Method.invoke(Method.java:372)
                                                                             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:908)
                                                                             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:703)
                                                                          Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
                                                                             at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:763)
                                                                             at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
                                                                             at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
                                                                             at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
                                                                             at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:276)
                                                                             at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:136)
                                                                             at com.licenta.vladut.mmap.MainActivity.onCreate(MainActivity.java:54)
                                                                             at android.app.Activity.performCreate(Activity.java:6020)
                                                                             at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
                                                                             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2259)
                                                                             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2368) 
                                                                             at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3947) 
                                                                             at android.app.ActivityThread.access$900(ActivityThread.java:149) 
                                                                             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1290) 
                                                                             at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                                             at android.os.Looper.loop(Looper.java:135) 
                                                                             at android.app.ActivityThread.main(ActivityThread.java:5292) 
                                                                             at java.lang.reflect.Method.invoke(Native Method) 
                                                                             at java.lang.reflect.Method.invoke(Method.java:372) 
                                                                             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:908) 
                                                                             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:703) 
                                                                          Caused by: android.os.BadParcelableException: ClassNotFoundException when unmarshalling: android.support.v7.widget.Toolbar$SavedState
                                                                             at android.os.Parcel.readParcelableCreator(Parcel.java:2289)
                                                                             at android.os.Parcel.readParcelable(Parcel.java:2239)
                                                                             at android.os.Parcel.readValue(Parcel.java:2146)
                                                                             at android.os.Parcel.readSparseArrayInternal(Parcel.java:2540)
                                                                             at android.os.Parcel.readSparseArray(Parcel.java:1868)
                                                                             at android.os.Parcel.readValue(Parcel.java:2203)
                                                                             at android.os.Parcel.readArrayMapInternal(Parcel.java:2479)
                                                                             at android.os.BaseBundle.unparcel(BaseBundle.java:221)
                                                                             at android.os.Bundle.getBundle(Bundle.java:782)
                                                                             at com.google.android.gms.maps.internal.ao.a(:com.google.android.gms.alldynamite:74)
                                                                             at maps.ei.bu.a(Unknown Source)
                                                                             at maps.ei.n.a(Unknown Source)
                                                                             at com.google.android.gms.maps.internal.i$a.onTransact(:com.google.android.gms.alldynamite:107)
                                                                             at android.os.Binder.transact(Binder.java:380)
                                                                             at com.google.android.gms.maps.internal.IMapFragmentDelegate$zza$zza.onCreateView(Unknown Source)
                                                                             at com.google.android.gms.maps.SupportMapFragment$zza.onCreateView(Unknown Source)
                                                                             at com.google.android.gms.dynamic.zza$4.zzb(Unknown Source)
                                                                             at com.google.android.gms.dynamic.zza.zza(Unknown Source)
                                                                             at com.google.android.gms.dynamic.zza.onCreateView(Unknown Source)
                                                                             at com.google.android.gms.maps.SupportMapFragment.onCreateView(Unknown Source)
                                                                             at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
                                                                             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1036)
                                                                             at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1230)
                                                                             at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2315)
                                                                             at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
                                                                             at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:357)
                                                                             at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
                                                                             at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:80)
                                                                          at android.view.LayoutInf
  </code></pre>
  
  <p>My MainActivity.java  is </p>
  
  <pre><code>package com.licenta.vladut.mmap;
  
  import android.Manifest;
  import android.content.Intent;
  import android.content.pm.PackageManager;
  import android.support.v4.app.ActivityCompat;
  import android.support.v4.app.Fragment;
  import android.support.v7.app.AppCompatActivity;
  import android.os.Bundle;
  import android.support.v7.widget.Toolbar;
  import android.util.Log;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.widget.Toast;
  
  import com.google.android.gms.appindexing.AppIndex;
  import com.google.android.gms.auth.api.Auth;
  import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
  import com.google.android.gms.common.ConnectionResult;
  import com.google.android.gms.common.GoogleApiAvailability;
  
  import com.google.android.gms.common.api.GoogleApiClient;
  import com.google.android.gms.common.api.ResultCallback;
  import com.google.android.gms.common.api.Status;
  import com.google.android.gms.maps.CameraUpdate;
  import com.google.android.gms.maps.CameraUpdateFactory;
  import com.google.android.gms.maps.GoogleMap;
  import com.google.android.gms.maps.OnMapReadyCallback;
  import com.google.android.gms.maps.SupportMapFragment;
  import com.google.android.gms.maps.model.LatLng;
  
  public class MainActivity extends AppCompatActivity implements GoogleApiClient.OnConnectionFailedListener, OnMapReadyCallback {
      GoogleMap mMap;
      private static  final double BM_LAT = 47.6595076, BM_LNG = 23.5631243;
      private Toolbar toolbar;
      private GoogleApiClient mGoogleApiClient;
      private static final String TAG = "SignInActivity";
      private static final int ERROR_DIALOG_REQUEST = 9001;
      private static final int RC_SIGN_IN = 9002;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
  
          GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                  .requestEmail()
                  .build();
          mGoogleApiClient = new GoogleApiClient.Builder(this)
                  .enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
                  .addApi(Auth.GOOGLE_SIGN_IN_API, gso)
                  .addApi(AppIndex.API).build();
          if (checkPlayServices()) {
              setContentView(R.layout.activity_map);
              Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
              (MainActivity.this).setSupportActionBar(toolbar);
              SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
              mapFragment.getMapAsync(this);
          } else {
              setContentView(R.layout.activity_main);
  
          }
      }
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.menu_main, menu);
          return true;
      }
  
      @Override
      public boolean onOptionsItemSelected(MenuItem item) {
          // Handle action bar item clicks here. The action bar will
          // automatically handle clicks on the Home/Up button, so long
          // as you specify a parent activity in AndroidManifest.xml.
          int id = item.getItemId();
          //noinspection SimplifiableIfStatement
          if (id == R.id.sign_out) {
              signOut();
              return true;
          }
  
          return super.onOptionsItemSelected(item);
      }
  
      private void signOut() {
          Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
                  new ResultCallback&lt;Status&gt;() {
                      @Override
                      public void onResult(Status status) {
                          toSignIn();
                      }
  
  
                  });
      }
  
      private void toSignIn() {
          Intent i = new Intent(this, SignInActivity.class);
          startActivity(i);
      }
  
  
      @Override
      public void onConnectionFailed(ConnectionResult connectionResult) {
          // An unresolvable error has occurred and Google APIs (including Sign-In) will not
          // be available.
          Log.d(TAG, getString(R.string.onConnectionFailed) + connectionResult);
      }
  
      private boolean checkPlayServices() {
          GoogleApiAvailability googleAPI = GoogleApiAvailability.getInstance();
          int result = googleAPI.isGooglePlayServicesAvailable(this);
          if (result != ConnectionResult.SUCCESS) {
              if (googleAPI.isUserResolvableError(result)) {
                  googleAPI.getErrorDialog(this, result,
                          ERROR_DIALOG_REQUEST).show();
              } else {
                  Toast.makeText(this, "Nu se poate conecta la Google Play Services!", Toast.LENGTH_SHORT).show();
              }
  
              return false;
          }
  
          return true;
      }
  
  
      @Override
      public void onMapReady(final GoogleMap map) {
          this.mMap = map;
          gotoLocation(BM_LAT,BM_LNG,18);
      }
      private void gotoLocation(double lat, double lng, float zoom){
          LatLng latLng = new LatLng(lat, lng);
          CameraUpdate update = CameraUpdateFactory.newLatLngZoom(latLng,zoom);
          mMap.moveCamera(update);
      }
  }
  </code></pre>
  
  <p>Activity_main.xml is </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      android:layout_width="wrap_content"
      android:layout_height="match_parent"
      tools:context="com.licenta.vladut.mmap.MainActivity"&gt;
      &lt;include
          android:id="@+id/toolbar"
          layout="@layout/toolbar"
          /&gt;
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>activity_map.xml is </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;fragment xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:map="http://schemas.android.com/apk/res-auto"
      android:id="@+id/map"
      android:name="com.google.android.gms.maps.SupportMapFragment"
      android:layout_width="match_parent"
      android:layout_height="match_parent"&gt;
      &lt;include
          android:id="@+id/toolbar"
          layout="@layout/toolbar"
          /&gt;
      &lt;/fragment&gt;
  </code></pre>
  
  <p>and finally, toolbar.xml is </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.v7.widget.Toolbar
      android:background="?attr/colorPrimary"
      android:id="@+id/toolbar"
      android:layout_height="wrap_content"
      android:layout_alignParentTop="true"
       android:minHeight="?attr/actionBarSize"
      android:layout_width="match_parent"
      android:layout_alignParentStart="true"
      android:elevation="4dp"
      app:popupTheme="@style/AppTheme.PopupOverlay"
      xmlns:app="http://schemas.android.com/apk/res-auto"
      xmlns:android="http://schemas.android.com/apk/res/android"&gt;
  &lt;/android.support.v7.widget.Toolbar&gt;
  </code></pre>