返回数据到前一个Activity StartActivityForResult方法

1.Activity1

Intent intent = new Intent();

intent.setClass(Actiivyt1.this,Actiivty2.class);

Bundle bundle = new Bundle();

bundle.putDouble("double",double);

bundle.putString("string",string);

intent.putExtras(bundle);

startActivityForResult(intent,0);

protected void onActivityResult(int requestCode, int resultCode,Intent data)

{

   switch (resultCode){

        case RESULT_OK:

           Bundle bundle =data.getExtras();

           String string = bundle.getString("string");

           Double double = bundle.getDouble("double");

           break;

        default:

           break;

}

}

Actiivty2

activity2.this.setResult(RESULT_OK,intent);

actiivty2.this.finish();