Android: problems with getSelectedItem on a spinner

Question

I have a Spinner, and put the selected item in the body of a mail. this is my code:

@Override
protected void onCreate(Bundle savedInstanceState) {
         


        

Answer 1

Your are getting the selected item before the actual rendering of the spinner. It depends on device to device that how fast it renders the screen. Rather then getting the selected item in getSelectionItem() in the onCreate() method try out to do it in the onClickListener() of your Button.

    @Override 
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_modulo);

        Spinner spinnerTaglia = (Spinner) findViewById(R.id.spinnerTaglia);

    // Create an ArrayAdapter using the string array and a default spinner layout ArrayAdapter adapter = ArrayAdapter.createFromResource(this,     R.array.Taglie, android.R.layout.simple_spinner_item); 

    // Specify the layout to use when the list of choices appears adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); 
        spinnerTaglia.setPrompt("Seleziona la taglia!");

    // Apply the adapter to the spinner 
        spinnerTaglia.setAdapter(new NothingSelectedSpinnerAdapter(
                adapter, 
                R.layout.contact_spinner_row_nothing_selected,
                // R.layout.contact_spinner_nothing_selected_dropdown, // Optional 
                this));




        Button btnCompilaOrdine = (Button) findViewById(R.id.btnCompilaOrdine);
        btnCompilaOrdine.setOnClickListener(new View.OnClickListener(){

            public void onClick(View arg0) {

        //Get the Selected item from the spinner
        final String taglia = spinnerTaglia.getSelectedItem().toString();
        Intent i = new Intent(Intent.ACTION_SEND);
        i.setType("message/rfc822");
        i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"MAIL@gmail.com"});
        i.putExtra(Intent.EXTRA_SUBJECT, "MAIL OBJECT");
        i.putExtra(Intent.EXTRA_TEXT   , "Taglia: "+taglia);
        try { 
            startActivity(Intent.createChooser(i, "Send mail..."));
        } catch (android.content.ActivityNotFoundException ex) {
            Toast.makeText(Modulo.this, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
        } 

        } 
        }); 
    }