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是否可以使用Butterknife为测试类注入视图?视图被注入到由MainActivity类创建并提交的片段中。是否有可能使用Butterknife在Android中注入espresso Test clases中的视图?
这里是我的测试类的代码:
public class MainActivityTest extends ActivityInstrumentationTestCase2<MainActivity> {
private MainActivity mMainActivity;
private Button learnButton;
private Button teachButton;
@SuppressWarnings("deprecation")
public MainActivityTest() {
super("com.example.application.app", MainActivity.class);
}
protected void setUp() throws Exception {
super.setUp();
mMainActivity = getActivity();
learnButton = (Button) mMainActivity.findViewById(R.id.buttonLearn);
teachButton = (Button) mMainActivity.findViewById(R.id.buttonTeach);
}
但是我用Butterknife注入在我的片段中的观点:
public class ChooseActionFragment extends Fragment {
@InjectView(R.id.buttonTeach) Button buttonTeach;
@InjectView(R.id.buttonLearn) Button buttonLearn;
public ChooseActionFragment() { }
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container, false);
ButterKnife.inject(this, rootView);
return view;
}
我想知道我怎么能使用Butterknife来在我的测试中减少我的样板代码,就像我在生产代码中一样。
这并不为我工作。每次尝试访问任何视图时,我都会得到NPE。我尝试过'ButterKnife.inject(this,activity);'和'ButterKnife.inject(this,fragment.getView())'。 – psyren89