AdapterView中不支持addView（查看）與片段

Question

我在我的應用程序中有2個片段，我正在爲平板電腦用戶界面製作2個窗格模式，並且它正確運行，但單窗格模式（對於通常手機）崩潰每次運行應用程序。

這是在MainActivity ..

protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 

    if (findViewById(R.id.detail_container) != null) { 
     // The detail container view will be present only in the large-screen layouts 
     // (res/layout-sw600dp). If this view is present, then the activity should be 
     // in two-pane mode. 
     mTwoPane = true; 
     // In two-pane mode, show the detail view in this activity by 
     // adding or replacing the detail fragment using a 
     // fragment transaction. 
     if (savedInstanceState == null) { 
      getSupportFragmentManager().beginTransaction() 
        .replace(R.id.detail_container, new DetailFragment(), DETAILFRAGMENT_TAG) 
        .commit(); 
     } 
    } 
     else{ 
     mTwoPane = false; 
     getSupportFragmentManager().beginTransaction() 
       .replace(R.id.main_container, new PlaceholderFragment()) 
        .commit(); 
    } 

和我有2 activity_main.xml中，對他們的在文件夾的佈局-sw600dp

activity_main.xml中

<?xml version="1.0" encoding="utf-8"?> 
    <fragment xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:id="@+id/main_container" 
    android:name="com.example.moviefinal.MainFragment" 
    android:layout_width="0dp" 
    android:layout_height="match_parent" 
    android:layout_weight="2" 
    tools:layout="@android:layout/list_content"/> 

這是爲2窗格模式（平板電腦用戶界面）..

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:baselineAligned="false" 
    android:divider="?android:attr/dividerHorizontal" 
    android:orientation="horizontal" 
    tools:context="com.example.moviefinal.MainActivity"> 

    <!-- 
    This layout is a two-pane layout for the Items master/detail flow. 
    --> 

    <fragment 
     android:id="@+id/main_container" 
     android:name="com.example.moviefinal.MainFragment" 
     android:layout_width="0dp" 
     android:layout_height="match_parent" 
     android:layout_weight="2" 
     tools:layout="@android:layout/list_content" 
    /> 
    <FrameLayout 
     android:id="@+id/detail_container" 
     android:layout_width="0dp" 
     android:layout_height="match_parent" 
     android:layout_weight="4" /> 

</LinearLayout> 

，這是在MainFragment.java

@Override 
    public View onCreateView(LayoutInflater inflater, ViewGroup container, 
          final Bundle savedInstanceState) { 
     rootView = inflater.inflate(R.layout.fragment_main, container, false); 
      db = new DBAdapter(this.getActivity()); 

      gridView = (GridView) rootView.findViewById(R.id.gridview); 
      ImageAdapter imgAdapter = new ImageAdapter(getActivity()); 
      gridView.setAdapter(imgAdapter); 

Fragment_main.xml

<?xml version="1.0" encoding="utf-8"?> 

<GridView xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:id="@+id/gridview" 
    android:name="com.example.moviefinal.MainFragment" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    android:columnWidth="85dp" 
    android:numColumns="auto_fit" 
    android:verticalSpacing="0dp" 
    android:horizontalSpacing="0dp" 
    android:gravity="center" 

    android:stretchMode="columnWidth" 
    tools:context=".MainActivity$PlaceholderFragment" 
    /> 

我得到這些錯誤：

10-09 14:09:15.841 16029-16029/com.example.moviefinal E/AndroidRuntime﹕ FATAL EXCEPTION: main 
    Process: com.example.moviefinal, PID: 16029 
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.moviefinal/com.example.moviefinal.MainActivity}: java.lang.UnsupportedOperationException: addView(View) is not supported in AdapterView 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298) 
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360) 
      at android.app.ActivityThread.access$800(ActivityThread.java:144) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278) 
      at android.os.Handler.dispatchMessage(Handler.java:102) 
      at android.os.Looper.loop(Looper.java:135) 
      at android.app.ActivityThread.main(ActivityThread.java:5221) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at java.lang.reflect.Method.invoke(Method.java:372) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) 
    Caused by: java.lang.UnsupportedOperationException: addView(View) is not supported in AdapterView 
      at android.widget.AdapterView.addView(AdapterView.java:456) 
      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:968) 
      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1136) 
      at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) 
      at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1499) 
      at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:548) 
      at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1220) 
      at android.app.Activity.performStart(Activity.java:5949) 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360) 
            at android.app.ActivityThread.access$800(ActivityThread.java:144) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278) 
            at android.os.Handler.dispatchMessage(Handler.java:102) 
            at android.os.Looper.loop(Looper.java:135) 
            at android.app.ActivityThread.main(ActivityThread.java:5221) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at java.lang.reflect.Method.invoke(Method.java:372) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) 

我想在GridView佈局造成這個錯誤！ 任何幫助！提前致謝。

Answer 1

你的第一個問題是這樣的：

<fragment 
    android:id="@+id/main_container" 
    android:name="com.example.moviefinal.MainFragment" 

如果您在聲明XML片段，你不能以編程方式與另一片段取代它。

只需在此放置一個FrameLayout並在視圖創建時添加片段。

而且，藉此你的GridView元素的XML：

android:name="com.example.moviefinal.MainFragment" 

我認爲這是什麼導致了 「addView（）不支持」 燒心。