title: Data is not saving using Firebase
body: <p>I am using following code to save data on firebase . But it is giving permission denied error.Here is my code. I have followed all instruction given by firebase.</p>
  
  <pre><code> buttonSave.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                  Firebase ref = new Firebase(Config.FIREBASE_URL);
                  String name = editTextName.getText().toString().trim();
                  String address = editTextAddress.getText().toString().trim();
                  Person person = new Person();
                  person.setName(name);
                  person.setAddress(address);
                  ref.child("Person").setValue(person);
                  ref.addValueEventListener(new ValueEventListener() {
                      @Override
                      public void onDataChange(DataSnapshot snapshot) {
                          for (DataSnapshot postSnapshot : snapshot.getChildren()) {
                              Person person = postSnapshot.getValue(Person.class);
                              String string = "Name: " + person.getName() + "\nAddress: " + person.getAddress() + "\n\n";
                              textViewPersons.setText(string);
                          }
                      }
  
                      @Override
                      public void onCancelled(FirebaseError firebaseError) {
                          Log.e("The read failed: ", firebaseError.getMessage());
                      }
                  });
  
              }
          });
  </code></pre>