SdbItemCreate.java

package com.amazon.aws.demo.sdb;

import java.util.List;

import com.amazon.aws.demo.AlertActivity;
import com.amazon.aws.demo.R;

import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;

public class SdbItemCreate extends AlertActivity {
	
	protected Button submitButton;
	protected Spinner domainName;
	protected EditText itemName;
	protected ArrayAdapter<String> domainNameAdapter;
	protected List<String> domainNameList;
	protected Handler mHandler;
	protected TextView firstIntroText;
	protected TextView secondIntroText;
	
	
	protected Runnable postResults = new Runnable(){
		@Override
		public void run(){
			updateUi();
		}
	};
	
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.create_item_with_spinner);
        submitButton = (Button) findViewById(R.id.create_sp_submit_button);
        itemName = (EditText) findViewById(R.id.create_sp_input_field);
        firstIntroText = (TextView) findViewById(R.id.create_sp_first_intro_text);
        secondIntroText = (TextView) findViewById(R.id.create_sp_second_intro_text);
        domainName = (Spinner) findViewById(R.id.create_sp_spinner);
        mHandler = new Handler();
        firstIntroText.setText("Enter Domain Name:");
        secondIntroText.setText("Enter Item Name:");
        getDomains();
    }
	
	public void getDomains(){
		Thread t = new Thread(){
			@Override
			public void run(){
				try{
					domainNameList = SimpleDB.getDomainNames();
					mHandler.post(postResults);
				} catch(Throwable e){
    				setStackAndPost(e);
				}
			}
		};
		t.start();
	}
	
	public void updateUi(){
		domainNameAdapter = new ArrayAdapter<String>(this, R.layout.spinner_item, domainNameList);
		domainName.setAdapter(domainNameAdapter);
		domainName.setClickable(true);
        wireSubmitButton();
	}
	
	public void wireSubmitButton(){
		submitButton.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				itemName.setVisibility(View.INVISIBLE);
				try{
					SimpleDB.createItem(domainName.getSelectedItem().toString(), itemName.getText().toString());
					finish();
				} catch(Throwable e){
    				setStackAndPost(e);
				}

			}
		});
	}
}