Android : Exchange views between tabs

I actually have an activity called "Creation.java" which provides access to different tabs and that works fine.

My tabs are activities and contains different Views like EditText or Spinners. As I have a lot of datas to save (really a lot) I'd like to propose to the user to fill all the Views by switching between tabs and then, in a last Tab, to validate all the datas and write it in an xml file.

But it seems like I can't get access to the datas from, by example my first tab in order to validate it within the last tab with a validate button.

Example for a customer creation in creationclient.xml which is set in the activity CreationClient.java :

        <EditText android:id="@+id/nom1"
            android:layout_width="@dimen/margexlarge"
            android:layout_height="wrap_content"
            android:text="Nom"
            />
        <EditText android:id="@+id/prenom1"
            android:layou开发者_如何学Ct_width="@dimen/margexlarge"
            android:layout_height="wrap_content"
            android:text="Prénom"
            />

I can't get the content in validation.java, I get an error cause it can't get the String from the View :

    nom1 = (EditText) findViewById(R.id.nom1);
    prenom1 = (EditText) findViewById(R.id.prenom1);
    validationDuDossier = (Button) findViewById(R.id.validationdudossier);
    idDossier = ((nom1.getText().toString().substring(0, 2)) + (prenom1.getText().toString().substring(0,2)));

So my point is : Can I get access to the datas of a layout A in an activity B even if I've set a layout B in this activity ? Or do I have an exclusive access to the datas from the layout I set to my activity ?

You will need to link the edit text to the the last tab. By either doing for example.

info.getText().toString(lastTab);

or you could do as following

lastTab = info.getText().toString();

From there you will link the lastTab holding the information to the last Views TextView or how ever you are displaying the information.