我有两个活动（A 和 B）。Activity A 由 Fragment F 组成。如何将 Activity B 的结果传递给 Fragment F？这是我的代码：
片段 F
public class FragmentF extends Fragment implements OnCLickListener {
// my editText is in this fragmentf layout
EditText editText;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragmentf, container, false);
Button b = (Button) v.findViewById(R.id.to_actb);
b.setOnClickListener(this);
return v;
}
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), ActivityB.class);
startActivityForResult(intent, 1);
}
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, intent);
if (requestCode == 1) {
if(resultCode == ActivityB.RESULT_OK){
String hey = getActivity().getIntent().getStringExtra("hey.hello.MESSAGE");
EditText editText = (EditText) getActivity().findViewById(R.id.text1);
editText.setText(hey);
}
}
}
}
活动 B
public class ActivityB extends Activity {
public final static String EXTRA_MESSAGE = "hey.hello.MESSAGE";
....
public void to_acta(View view) {
Intent intent = new Intent(this, ActivityA.class);
TextView textView = (TextView) findViewById(R.id.text);
String message = textView.getText().toString();
intent.putExtra(EXTRA_MESSAGE, message);
setResult(RESULT_OK,intent);
finish();
}
我的问题是，当我单击“to_acta”按钮时，我的编辑文本“text1”中没有添加任何内容。