java安卓细节片段
我的应用程序崩溃,如果我试图在我的视图中打开DeatilFragement,我会出现以下错误:
Caused by: java.lang.IllegalStateException: Required view 'login' with ID 2131558406 for field 'login' was not found. If this view is optional add '@Nullable' (fields) or '@Optional' (methods) annotation. at butterknife.internal.Utils.findRequiredView(Utils.java:92) at butterknife.internal.Utils.findRequiredViewAsType(Utils.java:104) at de.dev.myapp.ui.quote.ArticleDetailFragment_ViewBinding.(ArticleDetailFragment_ViewBinding.java:23) at java.lang.reflect.Constructor.newInstance0(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:430) at butterknife.ButterKnife.createBinding(ButterKnife.java:199) at butterknife.ButterKnife.bind(ButterKnife.java:172) at de.dev.myapp.ui.base.BaseFragment.inflateAndBind(BaseFragment.java:29) at de.dev.myapp.ui.quote.ArticleDetailFragment.onCreateView(ArticleDetailFragment.java:69)
ArticleDetailFragment\u ViewBinding指的是这一行:
public ArticleDetailFragment_ViewBinding(ArticleDetailFragment target, View source) {
this.target = target;
target.login = Utils.findRequiredViewAsType(source, R.id.login, "field 'login'", TextView.class);
BaseFragment指的是这一行:
public View inflateAndBind(LayoutInflater inflater, ViewGroup container, int layout) {
View view = inflater.inflate(layout, container, false);
ButterKnife.bind(this, view); // this line
LogUtil.logD(TAG, ">>> view inflated");
return view;
}
ArticleDetailFragment指的是这一行:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflateAndBind(inflater, container, R.layout.fragment_article_detail); // this line
if (!((BaseActivity) getActivity()).providesActivityToolbar()) {
// No Toolbar present. Set include_toolbar:
((BaseActivity) getActivity()).setToolbar((Toolbar) rootView.findViewById(R.id.toolbar));
}
if (dummyItem != null) {
loadBackdrop();
collapsingToolbar.setTitle(dummyItem.title);
author.setText(dummyItem.author);
quote.setText(dummyItem.content);
}
return rootView;
}
这就是我选择每个项目移动到详细信息页面的方式
@Override
public void onItemSelected(String id) {
if (twoPaneMode) {
// Show the quote detail information by replacing the DetailFragment via transaction.
ArticleDetailFragment fragment = ArticleDetailFragment.newInstance(id);
getFragmentManager().beginTransaction().replace(R.id.article_detail_container, fragment).commit();
} else {
// Start the detail activity in single pane mode.
Intent detailIntent = new Intent(this, ArticleDetailActivity.class);
detailIntent.putExtra(ArticleDetailFragment.ARG_ITEM_ID, id);
startActivity(detailIntent);
}
}
# 1 楼答案
这是您的错误:
这意味着您的
ArticleDetailFragment
极有可能包含以下行:问题是在片段的布局中没有属性为
android:id="@+id/login"
的视图。添加此视图(或更正其id属性),或将View
标记为@Nullable