Notes

public class MainActivity extends ActionBarActivity {
Spinner spinner,spinner2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
spinner = (Spinner) findViewById(R.id.ids_spinner);
spinner2 = (Spinner) findViewById(R.id.ids_spinner2);
getSpinner1();
}
private void getSpinner1() {
List<Header> headers = new ArrayList<Header>();
headers.add(new BasicHeader("Accept", "application/json"));

RestClient1.getByIdForSpinner(MainActivity.this, "myRestService/category", headers.toArray(new Header[headers.size()]), null, new JsonHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers, JSONArray response) {
ArrayList<String> spinnerArray = new ArrayList<String>();
final SpinnerAdapter spinnerAdapter = new SpinnerAdapter(MainActivity.this, spinnerArray);

for (int i = 0; i < response.length(); i++) {
try {
JSONObject c = response.getJSONObject(i);
String crArray = c.getString("c_Name");
spinnerAdapter.add(crArray);
}
catch (JSONException e) {
e.printStackTrace();
}
}

spinnerAdapter.add("Select One");
spinner.setAdapter(spinnerAdapter);
spinner.setSelection(spinnerAdapter.getCount());
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
parent.getItemAtPosition(position).toString();
getSpinner2(id);

Log.d("Callback", "onSuccess response");
}

@Override
public void onNothingSelected(AdapterView<?> parent) {
//Another interface callback
}
});
}
});
}

private void getSpinner2(Long id) {

List<Header> headers = new ArrayList<Header>();
headers.add(new BasicHeader("Accept", "application/json"));

RestClient2.getByCrForSpinner(MainActivity.this, "myRestService/products/" + id,
headers.toArray(new Header[headers.size()]), null, new JsonHttpResponseHandler() {

@Override
public void onSuccess(int statusCode, Header[] headers, JSONArray response) { Log.d("Callback3", "3");

ArrayList<String> spinnerArray2 = new ArrayList<String>();
final SpinnerAdapter2 spinnerAdapter2 = new SpinnerAdapter2(MainActivity.this, spinnerArray2);
Log.d("Callback4", "4");

for (int i = 0; i < response.length(); i++) {
try {
JSONObject c = response.getJSONObject(i);
String prArray = c.getString("product_name");
spinnerAdapter2.add(prArray);
}
catch (JSONException e) {
e.printStackTrace();
}
}
Log.d("Callback5", "5");

spinnerAdapter2.add("Select One");

spinner2.setAdapter(spinnerAdapter2);
spinner2.setSelection(spinnerAdapter2.getCount());

spinnerAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

spinner2.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(parent.getContext(),
"OnItemSelectedListener : " + parent.getItemAtPosition(position).toString(),
Toast.LENGTH_SHORT).show();
parent.getItemAtPosition(position).toString();
Log.d("Callback2", "onSuccess response2");

}
@Override
public void onNothingSelected(AdapterView<?> parent) {
//Another interface callback
}
});
}
});
}

}