平板电脑屏幕方向变化 - 没有查看发现ID为片段 [英] Tablet Screen Orientation Change - No View found for id for Fragment
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问题描述
我已经看过我的相关问题，对SO的问题，但无法弄清楚的问题是什么。原谅我，如果这是一个重新发布。
I have looked at questions related to my problem on SO but couldn't figure out what the problem is. Bear with me if this is a repost.
下面是我所期待的：
有关手机的布局更改工作正常，因为它涉及到的片段里面相同的看法。问题是，当我试图让下面的布局片。
The layout changes for phone are working fine as it involves the same views inside the fragment. The problem is when i try get the below layout in tablets.
activity_main.xml在纵向模式下：
activity_main.xml in portrait mode:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<include
android:id="@+id/toolbar"
layout="@layout/toolbar_with_spinner" />
<FrameLayout
android:id="@+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
</LinearLayout>
<ListView
android:id="@+id/listview_drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="@color/white"
android:choiceMode="singleChoice"
android:divider="@null"
android:dividerHeight="0dp" />
</android.support.v4.widget.DrawerLayout>
activity_main.xml在横向模式下：
activity_main.xml in landscape mode:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<include
android:id="@+id/toolbar"
layout="@layout/toolbar_with_spinner" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:baselineAligned="false"
android:orientation="horizontal" >
<FrameLayout
android:id="@+id/fragment_container"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="0.40" />
<FrameLayout
android:id="@+id/detail_fragment_container"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="0.60" />
</LinearLayout>
</LinearLayout>
<ListView
android:id="@+id/listview_drawer"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="@color/white"
android:choiceMode="singleChoice"
android:divider="@null"
android:dividerHeight="0dp" />
</android.support.v4.widget.DrawerLayout>
fragment_main.xml
fragment_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/swipeRefreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:orientation="vertical"
android:padding="4dp" >
<GridView
android:id="@+id/gridview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white"
android:horizontalSpacing="0dp"
android:numColumns="3"
android:stretchMode="columnWidth"
android:verticalSpacing="0dp" >
</GridView>
<WebView
android:id="@+id/webview_fragment_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="gone" />
</android.support.v4.widget.SwipeRefreshLayout>
MainActivity - 的onCreate（）：
MainActivity - onCreate():
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (Const.DEBUGGING_INT)
Log.d(Const.DEBUG, "Activity - onCreate");
prefs = PreferenceManager.getDefaultSharedPreferences(this);
if (Const.DEBUGGING)
Log.d(Const.DEBUG, "Index = " + index);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
toolbar = (Toolbar) findViewById(R.id.toolbar);
spinner = (Spinner) toolbar.findViewById(R.id.spinner);
mDrawerList = (ListView) findViewById(R.id.listview_drawer);
setUpHeaderAndFooter();
setSupportActionBar(toolbar);
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setTitle("");
setUpToolBar();
setUpSpinner();
setUpNavigationDrawer();
if ((findViewById(R.id.fragment_container) != null)
&& (findViewById(R.id.detail_fragment_container) != null)) {
mTwoPane = true;
} else {
mTwoPane = false;
}
setFragment(prefs.getInt(Const.Prefs.MAININDEX, 0), 0);
}
在MainActivity setFragment方法：
setFragment Method in MainActivity:
private void setFragment(int mainIndex, int subIndex) {
if (Const.DEBUGGING_INT) {
Log.d(Const.DEBUG, "Activity - setFragment");
Log.d(Const.DEBUG, "Position = " + mainIndex);
Log.d(Const.DEBUG, "TwoPane? " + mTwoPane);
}
incrementClickCount(mainIndex);
mMainFragment = new MainFragment();
getSupportFragmentManager().beginTransaction()
.replace(R.id.fragment_container, mMainFragment).commit();
Bundle bundle = new Bundle();
bundle.putInt(Const.BundleParameters.MAININDEX, mainIndex);
bundle.putInt(Const.BundleParameters.SUBINDEX, subIndex);
bundle.putBoolean(Const.BundleParameters.TWOPANE, mTwoPane);
bundle.putInt(Const.BundleParameters.CURRENTPOSITION, 0);
mMainFragment.setParameters(bundle);
mDrawerList.setItemChecked(mainIndex, true);
mDrawerLayout.closeDrawer(mDrawerList);
if (mTwoPane) {
mDetailFragment = new DetailFragment();
getSupportFragmentManager().beginTransaction()
.replace(R.id.detail_fragment_container, mDetailFragment)
.commit();
if (Const.DEBUGGING)
Log.d(Const.DEBUG,
"URL = " + prefs.getString(Const.Prefs.CURRENT_URL, ""));
Bundle b = new Bundle();
b.putString("url", prefs.getString(Const.Prefs.CURRENT_URL, ""));
mDetailFragment.setParameters(b);
}
}
MainFragment - onCreateView（）：
MainFragment - onCreateView():
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d(Const.DEBUG, "Fragment - onCreateView");
View view = inflater.inflate(R.layout.fragment_main, container, false);
mSwipeRefreshLayout = (SwipeRefreshLayout) view
.findViewById(R.id.swipeRefreshLayout);
mSwipeRefreshLayout.setOnRefreshListener(this);
mSwipeRefreshLayout.setColorSchemeResources(R.color.blue,
R.color.green, R.color.pink, R.color.yellow);
// if (!mSwipeRefreshLayout.isRefreshing())
mSwipeRefreshLayout.setRefreshing(true);
prefs = PreferenceManager.getDefaultSharedPreferences(activity);
mDbAdapter = DatabaseHelper.get(getActivity().getApplicationContext())
.getDbAdapter();
gridview = (GridView) view.findViewById(R.id.gridview);
webview = (WebView) view.findViewById(R.id.webview_fragment_main);
webview.setWebViewClient(new MyWebViewClient());
webview.setWebChromeClient(new WebChromeClient() {
@Override
public boolean onJsAlert(WebView view, String url, String message,
JsResult result) {
return super.onJsAlert(view, url, message, result);
}
});
WebSettings settings = webview.getSettings();
settings.setJavaScriptEnabled(true);
settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
webview.setVerticalScrollBarEnabled(false);
webview.setHorizontalScrollBarEnabled(false);
setTableDetails();
isTableEmpty = mDbAdapter.isTableEmpty(mTableName);
if (isTableEmpty) {
getDataFromServer(true);
} else {
checkRefreshTimeAndGetData();
}
return view;
}
DetailFragment - onCreateView（）：
DetailFragment - onCreateView():
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
if (Const.DEBUGGING) {
Log.d(Const.DEBUG, "***** DetailFragment - onCreateView *****");
Log.d(Const.DEBUG, "URL = " + url);
}
View view = inflater
.inflate(R.layout.fragment_detail, container, false);
prefs = PreferenceManager.getDefaultSharedPreferences(activity);
pd = (ProgressBar) view.findViewById(R.id.progressBar);
webview = (WebView) view.findViewById(R.id.webview_fragment_detail);
webview.setWebViewClient(new MyWebViewClient());
webview.setWebChromeClient(new WebChromeClient() {
@Override
public boolean onJsAlert(WebView view, String url, String message,
JsResult result) {
return super.onJsAlert(view, url, message, result);
}
});
pd.setVisibility(View.VISIBLE);
webview.setVisibility(View.GONE);
WebSettings settings = webview.getSettings();
settings.setJavaScriptEnabled(true);
webview.setVerticalScrollBarEnabled(false);
webview.setHorizontalScrollBarEnabled(false);
webview.loadUrl(url);
// webview.loadDataWithBaseURL(url, null, "text/html", "utf-8", null);
return view;
}
logcat的：
Logcat:
11-16 23:15:05.234: E/FragmentManager(26609): No view found for id 0x7f0a0052 (com.xx.xxx:id/detail_fragment_container) for fragment DetailFragment{42476ab8 #1 id=0x7f0a0052}
据我所知，它是寻找detail_fragment_container，我不会在纵向模式下也。我如何解决这一问题？让我知道如果你需要在code为好。会很高兴发布..
I understand that it's looking for detail_fragment_container, that i don't have in portrait mode. How do i fix this? Let me know if you need the code as well. Will be glad to post..
推荐答案
我觉得你得到这个错误的唯一方法是，你的旧的布局被使用。这可能是因为 super.onCreate（savedInstanceState）;
The only way I can think of you getting that error is that your old layout is used. That could be because super.onCreate(savedInstanceState);
而不是试图无视保存的状态：
Instead try ignoring the saved state:
super.onCreate(null);
编辑：
回应@matiash评论：
Response to @matiash comment:
由于OP没有提供code重新创建问题，很难测试其他（如果有的话）的解决方案。
Since OP didn't provide code to re-create the problem, it's hard to test other (if any) solutions.
不过我不同意，重置 savedInstanceState 是一种矫枉过正。因此，我认为OP应该尝试一下自己，看看它，他可以节省尽可能多的意见可能。
However I do agree that resetting the savedInstanceState is kind of an overkill. Therefore I think OP should try it himself and see to it that he saves as many views as possible.
，想到的第一件事是preventing被保存在有问题的看法：
The first thing that comes to mind is preventing the problematic view from being saved:
<FrameLayout
android:id="@+id/detail_fragment_container"
android:layout_width="0dip"
android:layout_height="match_parent"
android:layout_weight="0.60"
android:saveEnabled="false"/>
这篇关于平板电脑屏幕方向变化 - 没有查看发现ID为片段的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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