public void push(View v){
Intent it = new Intent();
it.setClass(this, MainActivity_b.class);
it.putExtra("name", "xaioer");
startActivityForResult(it, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
System.out.println(resultCode+"====================================");
}
public void back(View v){
Intent intent = new Intent();
intent.putExtra("sb", "haha");
setResult(3, intent);
finish();
}
