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public class MainActivity extends Activity {/* * An integer value that identifies an activity you are calling. * When an Activity returns a value, you must have a way to identify it * If the request code is set to -1, then calling it using the  * startActivityForResult() method is equivalent to calling it using * the  startActivity() method. That is, no result will be returned. */int requestCode = 1;public static boolean equ(T t1, T t2){return t1 == t2;}    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }        public void onClick(View view){    startActivityForResult(new Intent("su.bill.intenttest.SecondaryActivity"), requestCode);    }}

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package com.example.intenttest;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.view.View;import android.widget.EditText;public class SecondaryActivity extends Activity {@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.secondary_activity);}public void onClick(View v){Intent data = new Intent();EditText txt_username = (EditText) findViewById(R.id.txt_username);data.setData(Uri.parse(txt_username.getText().toString()));setResult(RESULT_OK, data);finish();}}

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package com.example.intenttest;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.Toast;public class MainActivity extends Activity {/* * An integer value that identifies an activity you are calling. * When an Activity returns a value, you must have a way to identify it * If the request code is set to -1, then calling it using the  * startActivityForResult() method is equivalent to calling it using * the  startActivity() method. That is, no result will be returned. */int requestCode = 1;public static boolean equ(T t1, T t2){return t1 == t2;}    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }        public void onClick(View view){    startActivityForResult(new Intent("su.bill.intenttest.SecondaryActivity"), requestCode);    }        @Override    public void onActivityResult(int reqCode, int resCode, Intent data) {    if (equ(reqCode, requestCode) && equ(resCode, RESULT_OK)){    Toast.makeText(this, data.getDataString(), Toast.LENGTH_SHORT).show();    }    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}

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