2017-09-22 98 views
1

我正在設計一個應用程序,它有一個列表項目(list_item.xml)的xml文件, 和一個適配器爲listView(NewsAdapter.java)。錯誤膨脹類ImageView - android.view.InflateException:二進制XML文件行#10:錯誤膨脹類ImageView

09-22 20:26:29.595 10387-10387/com.example.rh.newsapp E/AndroidRuntime: FATAL EXCEPTION: main 
                    Process: com.example.rh.newsapp, PID: 10387 
                    android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class ImageView 
                     at android.view.LayoutInflater.inflate(LayoutInflater.java:539) 
                     at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
                     at com.example.rh.newsapp.NewsAdapter.getView(NewsAdapter.java:38) 
                     at android.widget.AbsListView.obtainView(AbsListView.java:2346) 
                     at android.widget.ListView.measureHeightOfChildren(ListView.java:1280) 
                     at android.widget.ListView.onMeasure(ListView.java:1188) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465) 
                     at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1112) 
                     at android.widget.LinearLayout.onMeasure(LinearLayout.java:632) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194) 
                     at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:139) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.support.v7.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:391) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465) 
                     at android.widget.LinearLayout.measureVertical(LinearLayout.java:748) 
                     at android.widget.LinearLayout.onMeasure(LinearLayout.java:630) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951) 
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194) 
                     at com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2643) 
                     at android.view.View.measure(View.java:18788) 
                     at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2100) 
                     at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1216) 
                     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1452) 
                     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107) 
                     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013) 
                     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) 
                     at android.view.Choreographer.doCallbacks(Choreographer.java:670) 
                     at android.view.Choreographer.doFrame(Choreographer.java:606) 
                     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) 
                     at android.os.Handler.handleCallback(Handler.java:739) 
                     at android.os.Handler.dispatchMessage(Handler.java:95) 
                     at android.os.Looper.loop(Looper.java:148) 
                     at android.app.ActivityThread.main(ActivityThread.java:5417) 
                     at java.lang.reflect.Method.invoke(Native Method) 
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
                    Caused by: android.view.InflateException: Binary XML file line #10: Error inflating class ImageView 
                     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:782) 
                     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
                     at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
                     at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
                     at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
                     at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  
                     at com.example.rh.newsapp.NewsAdapter.getView(NewsAdapter.java:38)  
                     at android.widget.AbsListView.obtainView(AbsListView.java:2346)  
                     at android.widget.ListView.measureHeightOfChildren(ListView.java:1280)  
                     at android.widget.ListView.onMeasure(ListView.java:1188)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)  
                     at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1112)  
                     at android.widget.LinearLayout.onMeasure(LinearLayout.java:632)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)  
                     at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:139)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.support.v7.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:391)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1465)  
                     at android.widget.LinearLayout.measureVertical(LinearLayout.java:748)  
                     at android.widget.LinearLayout.onMeasure(LinearLayout.java:630)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5951)  
                     at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)  
                     at com.android.internal.policy.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2643)  
                     at android.view.View.measure(View.java:18788)  
                     at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2100)  
                     at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1216)  
                     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1452)  
                     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107)  
                     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013)  
                     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)  
                     at android.view.Choreographer.doCallbacks(Choreographer.java:670)  
                     at android.view.Choreographer.doFrame(Choreographer.java:606)  
                     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)  
                     at android.os.Handler.handleCallback(Handler.java:739)  
                     at android.os.Handler.dispatchMessage(Handler.java:95)  
                     at android.os.Looper.loop(Looper.java:148)  
                     at android.app.ActivityThread.main(ActivityThread.java:5417)  
                     at java.lang.reflect.Method.invoke(Native Method)  
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)  
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)  
                    Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x12 
                     at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:666) 
                     at android.widget.ImageView.<init>(ImageView.java:160) 
                     at android.widget.ImageView.<init>(ImageView.java:140) 
                     at android.suppor 

我LIST_ITEM文件具有ImageView的

<ImageView 
    android:id="@+id/thumbnail" 
    android:layout_width="40dp" 
    android:layout_height="wrap_content" 
    android:baseline="@id/title" 
    app:srcCompat="@android:drawable/ic_lock_lock" 
    tools:ignore="NotSibling" /> 

當我從list_item.xml刪除ImageView的,該應用程序運行

我的應用程序運行的時候遇到這個錯誤好!

我該怎麼辦?

NewsAdapter.java:

public class NewsAdapter extends ArrayAdapter { 
Context context; 
List<News> newsList; 

public NewsAdapter(@NonNull Context context, @LayoutRes int resource, @NonNull List objects) { 
    super(context, resource, objects); 
    this.context = context; 
    this.newsList = objects; 
} 

@NonNull 
@Override 
public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) { 
    News current_news = (News) getItem(position); 
    View list_view = convertView; 
    if(list_view == null) { 
     list_view = LayoutInflater.from(context).inflate(R.layout.list_item, parent, false); 
    } 

    TextView title = list_view.findViewById(R.id.title); 
    TextView publicationDate = list_view.findViewById(R.id.publicationDate); 
    TextView publication = list_view.findViewById(R.id.publication); 

    title.setText(current_news.getTitle()); 
    publicationDate.setText(current_news.getPublication_date()); 
    publication.setText(current_news.getPublication()); 

    return list_view; 
} 

}

list_item.xml:

<ImageView 
    android:id="@+id/thumbnail" 
    android:layout_width="40dp" 
    android:layout_height="wrap_content" 
    android:baseline="@id/title" 
    app:srcCompat="@android:drawable/ic_lock_lock" 
    tools:ignore="NotSibling" /> 

<RelativeLayout 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_marginLeft="16dp"> 

    <TextView 
     android:id="@+id/title" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentLeft="true" 
     android:layout_alignParentTop="true" 
     android:ellipsize="end" 
     android:maxLines="3" 
     tools:text="Is technology delivering in schools? Our panel debates" /> 

    <LinearLayout 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_below="@+id/title" 
     android:layout_alignParentLeft="true" 
     android:orientation="horizontal"> 

     <TextView 
      android:id="@+id/publicationDate" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      tools:text="27 Nov, 2016" /> 

     <TextView 
      android:id="@+id/pipe_icon" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:text="@string/separator_icon" /> 

     <TextView 
      android:id="@+id/publication" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:ellipsize="end" 
      android:maxLines="1" 
      tools:text="The Guardian" /> 
    </LinearLayout> 

</RelativeLayout> 

+0

發佈完整的list_item.xml – phpdroid

+0

爲什麼不把'ImageView'放在'RelativeLayout'裏面? – Journey

+0

在xml中不能有多個根標籤。把imageView放在relativeLayout裏面。 –

回答

5

正如你在錯誤的最後幾行看:

Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x12

似乎你輸入的東西不是必須的維度。 而作爲屬性android:baseline的文檔:

The offset of the baseline within this view. May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

但是你使用的基線值的字符串。

1

在複製可繪製的圖像文件時,您將可以選擇複製drawable和drawable-24。確保你同時複製,然後嘗試運行。

+0

標題中的錯誤與錯誤的XML結構有關,而不是可繪製的。 –

-1

我和我的應用程序有同樣的問題,但最後我解決了它。 只需將您的映像文件放在ic_launcher_background.xml文件中,而不是ic_launcher_foreground.xml文件中。希望它有幫助。

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