【问题标题】:Android: Binary XML file line Error inflating classAndroid:二进制 XML 文件行错误膨胀类
【发布时间】:2017-05-28 10:42:36
【问题描述】:

我一直在尝试将记录列表从数据库加载到屏幕,但是当应用程序获取数据并尝试在屏幕上显示时似乎出现了问题。我读到有时在显示大图像等时会引发这种类型的错误,但我没有图像并尝试了我读过的其他一些解决方案。任何意见表示赞赏!

E/AndroidRuntime: FATAL EXCEPTION: main
  Process: com.blackfrogweb.macrotracker, PID: 16129
  android.view.InflateException: Binary XML file line 23: Binary XML file line 23: Error inflating class <unknown>
  at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
  at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
  at com.blackfrogweb.macrotracker.FavsCustomAdapter.getView(FavsCustomAdapter.java:38)
  at android.widget.AbsListView.obtainView(AbsListView.java:2346)
  at android.widget.ListView.makeAndAddView(ListView.java:1876)
  at android.widget.ListView.fillDown(ListView.java:702)
  at android.widget.ListView.fillFromTop(ListView.java:763)
  at android.widget.ListView.layoutChildren(ListView.java:1671)
  at android.widget.AbsListView.onLayout(AbsListView.java:2148)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
  at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
  at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
  at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
  at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
  at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
  at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
  at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)
  at android.view.View.layout(View.java:16636)
  at android.view.ViewGroup.layout(ViewGroup.java:5437)
  at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2171)
  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1931)
  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107)
  at android.view.ViewRootImpl$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)

这是我试图“膨胀”的布局的 xml。

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="16dp"
    android:paddingTop="16dp"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:gravity="left">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical">

            <TextView
                android:id="@+id/favorite_name"
                android:textColor="@color/colorText"
                android:textSize="?android:attr/textAppearanceMedium"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="5dp"/>

            <TextView
                android:id="@+id/favorite_cal"
                android:textSize="?android:attr/textAppearanceMedium"
                android:textColor="@color/colorText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="5dp"/>

            <TextView
                android:id="@+id/favorite_fat"
                android:textSize="?android:attr/textAppearanceMedium"
                android:textColor="@color/colorText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="left"
                android:layout_marginBottom="5dp"/>

            <TextView
                android:id="@+id/favorite_carb"
                android:textSize="?android:attr/textAppearanceMedium"
                android:textColor="@color/colorText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="left"
                android:layout_marginBottom="5dp"/>

            <TextView
                android:id="@+id/favorite_prot"
                android:textSize="?android:attr/textAppearanceMedium"
                android:textColor="@color/colorText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="left"
                android:layout_marginBottom="5dp"/>

        </LinearLayout>

            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:orientation="horizontal"
                android:gravity="right">

                <Button
                    android:id="@+id/add"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:layout_marginRight="5dp"
                    android:background="@android:drawable/ic_menu_add"/>

                <Button
                    android:id="@+id/edit"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:layout_marginRight="5dp"
                    android:background="@android:drawable/ic_menu_edit"/>

                <Button
                    android:id="@+id/delete"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:background="@android:drawable/ic_menu_delete"/>
            </LinearLayout>
    </LinearLayout>

由于我不确定错误发生在哪里,我不确定要发布哪段代码 - 而且我不想让它变得不可读。

【问题讨论】:

标签: android xml layout binary inflate-exception


【解决方案1】:

当前您将?android:attr/textAppearanceMedium 设置为android:textSize
您应该将属性替换为android:textAppearance

改变

android:textSize="?android:attr/textAppearanceMedium" 

android:textAppearance="?android:attr/textAppearanceMedium"

将直接值设置为android:textSizelike

android:textSize="10sp" 

【讨论】:

  • 效果很好但是不知道为什么 "android:textSize="?android:attr/textAppearanceMedium" 错了...?
  • @TeachMeJava textSize 需要一个大小值(px、dp、sp、in 和 mm)。 "?android:attr/textAppearanceMedium" 是基本文本颜色、字体、大小和样式的组合。所以我们不能将它用于文本大小。
【解决方案2】:
android:theme="@style/ThemeOverlay.AppCompat.Dark" 

我从我的 xml 文件中删除了我的问题解决了

【讨论】:

    【解决方案3】:

    您没有正确关闭标签。

    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:paddingBottom="16dp"
        android:paddingTop="16dp"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:gravity="left">
    
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">
    
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:orientation="vertical">
    
                <TextView
                    android:id="@+id/favorite_name"
                    android:textColor="@color/colorText"
                    android:textSize="?android:attr/textAppearanceMedium"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="5dp"/>
    
                <TextView
                    android:id="@+id/favorite_cal"
                    android:textSize="?android:attr/textAppearanceMedium"
                    android:textColor="@color/colorText"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="5dp"/>
    
                <TextView
                    android:id="@+id/favorite_fat"
                    android:textSize="?android:attr/textAppearanceMedium"
                    android:textColor="@color/colorText"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginBottom="5dp"/>
    
                <TextView
                    android:id="@+id/favorite_carb"
                    android:textSize="?android:attr/textAppearanceMedium"
                    android:textColor="@color/colorText"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginBottom="5dp"/>
    
                <TextView
                    android:id="@+id/favorite_prot"
                    android:textSize="?android:attr/textAppearanceMedium"
                    android:textColor="@color/colorText"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginBottom="5dp"/>
    
            </LinearLayout>
    
            <LinearLayout
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:orientation="horizontal"
                android:gravity="right">
    
                <Button
                    android:id="@+id/add"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:layout_marginRight="5dp"
                    android:background="@android:drawable/ic_menu_add"/>
    
                <Button
                    android:id="@+id/edit"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:layout_marginRight="5dp"
                    android:background="@android:drawable/ic_menu_edit"/>
    
                <Button
                    android:id="@+id/delete"
                    android:layout_width="40dp"
                    android:layout_height="40dp"
                    android:background="@android:drawable/ic_menu_delete"/>
            </LinearLayout>
        </LinearLayout>
    
    </LinearLayout>
    

    【讨论】:

      【解决方案4】:

      您的&lt;TextView/&gt; 的波纹管似乎是Exception

       android:textSize="?android:attr/textAppearanceMedium"
      

      试试

      android:textAppearance="?android:attr/textAppearanceMedium"
      

      【讨论】:

        【解决方案5】:
        private void getDetailFood(String foodId) {
        foods.child(foodId).addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
        try {
        Food food = dataSnapshot.getValue(Food.class);
        **Picasso.with(getBaseContext()).load(food.getImage())
                                .into(foodd_image);**
        (Iam getting NullPOinter Exception)`enter code here`
        collapsingToolbarLayout.setTitle(food.getName());
        food_price.setText(food.getPrice());
        food_description.setText(food.getDescription());
        food_name.setText(food.getName());
        }
        catch (Exception e)
        {
        e.printStackTrace();
        }
        
        }
        

        【讨论】:

        • 请为您的解决方案添加一些解释,为什么这是正确的,或者您正在做什么,因为 stackoverflow 不鼓励只回答代码
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