Activity startActivityForResult metodu

Giriş
İmzası şöyle

public void startActivityForResult (Intent intent, int requestCode)  
public void startActivityForResult (Intent intent, int requestCode, 
  Bundle options)

Bundle İle Kullanımı
MainActivity'de şöyle yaparız.

Intent intent=new Intent(MainActivity.this,SecondActivity.class);  
startActivityForResult(intent, 2);// Activity is started with requestCode 2 

Sonucu almak için şöyle yaparız

// Call Back method  to get the Message from other Activity  
@Override  
protected void onActivityResult(int requestCode, int resultCode, Intent data)  
{  
  super.onActivityResult(requestCode, resultCode, data);  
  // check if the request code is same as what is passed  here it is 2  
  if(requestCode==2)  
  {  
    String message=data.getStringExtra("MESSAGE");   
    textView1.setText(message);  
  }  
}  

SecondActivity'de şöyle yaparız.

protected void onCreate(Bundle savedInstanceState) {  
  super.onCreate(savedInstanceState);  
  setContentView(R.layout.activity_second);  
  editText1=(EditText)findViewById(R.id.editText1);  
  button1=(Button)findViewById(R.id.button1);  
  button1.setOnClickListener(new OnClickListener() {  
    @Override  
    public void onClick(View arg0) {  
       String message=editText1.getText().toString();  
       Intent intent=new Intent();  
       intent.putExtra("MESSAGE",message);  
       setResult(2,intent);  
       finish();//finishing activity  
    }  
  });  
}