title: "Unable to get provider com.google.firebase.provider.FirebaseInitProvider" Error path Android
body: <p>I have an Application which is connected to firebase.The problem is when install the app in device(working on several devices).I read a lot of forums and no one works.I read <a href="https://stackoverflow.com/questions/37328890/android-firebase-dynamitemodule-failed-to-load-module-descriptor">here</a> and <a href="https://stackoverflow.com/questions/37790190/google-map-implementation-in-viewpager-error-unable-to-get-provider-com-google">this</a> and so on.Thanks!!</p>
  
  <p>The error is here.</p>
  
  <pre><code>E/AndroidRuntime: FATAL EXCEPTION: main
                Process: com.dev.ptruck, PID: 8833
                java.lang.RuntimeException: Unable to get provider com.google.firebase.provider.FirebaseInitProvider: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.dev.ptruck-17.apk"],nativeLibraryDirectories=[/data/app-lib/com.dev.ptruck-17, /vendor/lib, /system/lib]]
                    at android.app.ActivityThread.installProvider(ActivityThread.java:5196)
                    at android.app.ActivityThread.installContentProviders(ActivityThread.java:4788)
                    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4728)
                    at android.app.ActivityThread.access$1500(ActivityThread.java:166)
                    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1343)
                    at android.os.Handler.dispatchMessage(Handler.java:102)
                    at android.os.Looper.loop(Looper.java:136)
                    at android.app.ActivityThread.main(ActivityThread.java:5584)
                    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:1268)
                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084)
                    at dalvik.system.NativeStart.main(Native Method)
                 Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.dev.ptruck-17.apk"],nativeLibraryDirectories=[/data/app-lib/com.dev.ptruck-17, /vendor/lib, /system/lib]]
                    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
                    at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
                    at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
                    at android.app.ActivityThread.installProvider(ActivityThread.java:5181)
                    at android.app.ActivityThread.installContentProviders(ActivityThread.java:4788) 
                    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4728) 
                    at android.app.ActivityThread.access$1500(ActivityThread.java:166) 
                    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1343) 
                    at android.os.Handler.dispatchMessage(Handler.java:102) 
                    at android.os.Looper.loop(Looper.java:136) 
                    at android.app.ActivityThread.main(ActivityThread.java:5584) 
                    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:1268) 
                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084) 
                    at dalvik.system.NativeStart.main(Native Method) 
  </code></pre>
  
  <p>Here is the start Class</p>
  
  <pre><code>public class StartActivity extends Activity {
  private static final String FIREBASE_URL = "https://database.firebaseio.com/";
  private Firebase myFirebaseRef = null;
  View rootView;
  String uid;
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_start);
  
      Firebase.setAndroidContext(this);
      final ProgressBar p = (ProgressBar) findViewById(R.id.start_progress_bar);
  
  }
  private void checkUserLogin() {
                      myFirebaseRef.addAuthStateListener(new Firebase.AuthStateListener() {
                          @Override
                          public void onAuthStateChanged(AuthData authData) {
                              if (authData != null) {
  
                                  System.out.println(myFirebaseRef.getKey());
                                  Intent toMainActivity = new Intent(getApplicationContext(), MenuActivity.class);
                                  uid = myFirebaseRef.getAuth().getUid();
                                  toMainActivity.putExtra("user_id", uid);
                                  finish();
                                  startActivity(toMainActivity);
  
                              } else if (authData == null) {
  
                                  Intent toMainActivity = new Intent(getApplicationContext(), LoginActivity.class);
                                  startActivity(toMainActivity);
                                  // user is not logged in
                              }
                          }
                      });
  }
  private Runnable task = new Runnable() {
      public void run() {
  
          checkUserLogin();
      }
  };
  @Override
  protected void onStart() {
      super.onStart();
      if(myFirebaseRef == null) {
          myFirebaseRef = new Firebase(FIREBASE_URL);
      }
      Handler handler = new Handler();
      handler.postDelayed(task, 3000);
  
  }
  @Override
  protected void onDestroy() {
      super.onDestroy();
  
      unbindDrawables(rootView);
      rootView = null;
      System.gc();
  
  }
  protected void unbindDrawables(View view) {
      if (view != null) {
          if (view.getBackground() != null) {
              view.getBackground().setCallback(null);
          }
          if (view instanceof ViewGroup &amp;&amp; !(view instanceof AdapterView)) {
              for (int i = 0; i &lt; ((ViewGroup) view).getChildCount(); i++) {
                  unbindDrawables(((ViewGroup) view).getChildAt(i));
              }
              ((ViewGroup) view).removeAllViews();
          }
  
      }
  
  }
  </code></pre>
  
  <p>}</p>