SecondActivity.java

package net.learn2develop.passingdata;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

public class SecondActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
        
        //---get the data passed in using getStringExtra()---
        Toast.makeText(this,getIntent().getStringExtra("str1"), 
            Toast.LENGTH_SHORT).show();

        //---get the data passed in using getIntExtra()---
        Toast.makeText(this,Integer.toString(
            getIntent().getIntExtra("age1", 0)), 
            Toast.LENGTH_SHORT).show();        
        
        
        //---get the Bundle object passed in---
        Bundle bundle = getIntent().getExtras();

        //---get the data using the getString()---         
        Toast.makeText(this, bundle.getString("str2"), 
            Toast.LENGTH_SHORT).show();

        //---get the data using the getInt() method---
        Toast.makeText(this,Integer.toString(bundle.getInt("age2")), 
            Toast.LENGTH_SHORT).show();
        
        //---get the custom object passed in---
        MyCustomClass obj = (MyCustomClass) getIntent().getSerializableExtra("MyObject");
        Toast.makeText(this, obj.Name(), Toast.LENGTH_SHORT).show();
        Toast.makeText(this, obj.Email(), Toast.LENGTH_SHORT).show();
    }
        
    public void onClick(View view) {
        //---use an Intent object to return data---
        Intent i = new Intent();            

        //---use the putExtra() method to return some 
        // value---
        i.putExtra("age3", 45);

        //---use the setData() method to return some value---
        i.setData(Uri.parse(
            "http://www.learn2develop"));                            

        //---set the result with OK and the Intent object---
        setResult(RESULT_OK, i);   
        
        finish();
    }    
    
}