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Android.view.InflateException: binary line of XML file # 9: error inflating class <unknown>

I considered this problem for hours and similar errors that had solutions, did not do tricks.

I am reusing this XML file for multiple ListViews in different actions (which I assume has something to do with it), but I don’t understand why it will break. An XML file represents individual elements in a ListView.

Here's the XML:

<?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingLeft="10dp" android:paddingRight="10dp" android:paddingTop="5dp" > <LinearLayout android:id="@+id/post" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="?attr/postBackground" android:orientation="horizontal" > <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <LinearLayout android:id="@+id/postTop" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:padding="8dp" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <!-- Title --> <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:fontFamily="sans-serif-light" android:textColor="?attr/postTitle" android:textSize="16sp" android:textStyle="bold" /> <!-- subreddit + domain --> <TextView android:id="@+id/subredditDomainVotes" android:layout_width="wrap_content" android:layout_height="wrap_content" android:fontFamily="sans-serif" android:gravity="left" android:textColor="#828282" android:textSize="13sp" /> <TextView android:id="@+id/date" android:layout_width="wrap_content" android:layout_height="wrap_content" android:fontFamily="sans-serif" android:gravity="left" android:textColor="#828282" android:textSize="13sp" /> </LinearLayout> </LinearLayout> <ImageView android:id="@+id/imagePreview" android:layout_width="fill_parent" android:layout_height="200dp" android:adjustViewBounds="false" android:background="?attr/postPreviewBground" android:contentDescription="@string/empty" android:scaleType="centerCrop" /> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="?attr/postBottom" android:padding="8dp" > <!-- Author --> <TextView android:id="@+id/author" style="?attr/postButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:textSize="12sp" /> <!-- Comments --> <TextView android:id="@+id/comments" style="?attr/postButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:textSize="12sp" /> </RelativeLayout> </LinearLayout> </LinearLayout> </FrameLayout>

And here is Java (an error occurs when converting View = (FrameLayout) FrameLayout.inflate (mContext, R.layout.column_post, null);):

 @Override public View getView(int position, View convertView, ViewGroup parent) { JSONObject thePost = null; String kind = null; try { thePost = mPosts.getJSONObject(position); kind = thePost.getString("kind"); } catch (Exception e) { System.out.println("errreoroer"); } if (null == convertView) { LayoutInflater inflater = (LayoutInflater) mContext .getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = new FrameLayout(mContext); if (Switches.getInMailView()) { convertView = (RelativeLayout) inflater.inflate( R.layout.mail_post, parent, false); mailHolder = new MailHolder(); mailHolder.authorView = (TextView) convertView .findViewById(R.id.author); mailHolder.dateView = (TextView) convertView .findViewById(R.id.date); mailHolder.subjectView = (TextView) convertView .findViewById(R.id.subject); } else { if (kind.equals("t3")) { //ERROR HAPPENS RIGHT HERE convertView = (FrameLayout) FrameLayout.inflate(mContext, R.layout.column_post, null); holder = new PostHolder(); // grab the post view objects holder.postTitleView = (TextView) convertView .findViewById(R.id.title); holder.dateView = (TextView) convertView .findViewById(R.id.date); holder.authorView = (TextView) convertView .findViewById(R.id.author); holder.commentsView = (TextView) convertView .findViewById(R.id.comments); holder.subredditDomainVotesView = (TextView) convertView .findViewById(R.id.subredditDomainVotes); holder.imagePreviewView = (ImageView) convertView .findViewById(R.id.imagePreview); holder.postTopView = (LinearLayout) convertView .findViewById(R.id.postTop); convertView.setTag(holder); } } } else { if (Switches.getInMailView()) mailHolder = (MailHolder) convertView.getTag(); else { if (kind.equals("t3")) holder = (PostHolder) convertView.getTag(); } } try { if (Switches.getInMailView()) return buildMailPostItem((RelativeLayout) convertView, thePost.getJSONObject("data"), kind); else { if (kind.equals("t3")) return buildGenericPostItem((FrameLayout) convertView, thePost.getJSONObject("data"), kind, position); } } catch (JSONException e) { return null; } return convertView; }

Stacktrace

 11-26 18:23:09.492: E/AndroidRuntime(4616): FATAL EXCEPTION: main 11-26 18:23:09.492: E/AndroidRuntime(4616): Process: com.reditr.app, PID: 4616 11-26 18:23:09.492: E/AndroidRuntime(4616): android.view.InflateException: Binary XML file line #9: Error inflating class <unknown> 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.createView(LayoutInflater.java:620) 11-26 18:23:09.492: E/AndroidRuntime(4616): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.rInflate(LayoutInflater.java:755) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.inflate(LayoutInflater.java:492) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.LayoutInflater.inflate(LayoutInflater.java:397) 11-26 18:23:09.492: E/AndroidRuntime(4616): at com.reditr.adapters.PostAdapter.getView(PostAdapter.java:145) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.HeaderViewListAdapter.getView(HeaderViewListAdapter.java:220) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.AbsListView.obtainView(AbsListView.java:2263) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.ListView.makeAndAddView(ListView.java:1790) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.ListView.fillDown(ListView.java:691) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.ListView.fillFromTop(ListView.java:752) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.ListView.layoutChildren(ListView.java:1630) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.AbsListView.onLayout(AbsListView.java:2091) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.support.v4.view.ViewPager.onLayout(ViewPager.java:1585) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1660) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.LinearLayout.onLayout(LinearLayout.java:1436) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:374) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.View.layout(View.java:14785) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewGroup.layout(ViewGroup.java:4631) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1985) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1742) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:998) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5582) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.Choreographer.doCallbacks(Choreographer.java:562) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.Choreographer.doFrame(Choreographer.java:532) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.os.Handler.handleCallback(Handler.java:733) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.os.Handler.dispatchMessage(Handler.java:95) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.os.Looper.loop(Looper.java:137) 11-26 18:23:09.492: E/AndroidRuntime(4616): at android.app.ActivityThread.main(ActivityThread.java:4998) 11-26 18:23:09.492: E/AndroidRuntime(4616): at java.lang.refl

Thanks in advance.

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2 answers

Thanks @kiruwka the problem is fixed!

The problem was that I needed to make sure that I used the same topic for all activities.

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I would use an inflator that you grabbed from your context, not a static method from FrameLayout, just to clear the code. The inherited inflate () method of FrameLayout is just the wrapper around the call to Context.getSystemService (), and then causes bloat. Try changing it to this:

  convertView = (FrameLayout)inflater.inflate(mContext, R.layout.column_post, parent, false);

I suspect that the accident you see is related to the fact that you are passing a null value to the parent, and the default option inflate () will try to attach the new child view that you create for the parent (which you don't want to do.)

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Source: https://habr.com/ru/post/958889/

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