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Android 使用片段将其他元素(不是ListView)添加到导航抽屉_Android_Android Layout_Listview_Android Fragments - Fatal编程技术网

Android 使用片段将其他元素(不是ListView)添加到导航抽屉

Android 使用片段将其他元素(不是ListView)添加到导航抽屉,android,android-layout,listview,android-fragments,Android,Android Layout,Listview,Android Fragments,我正在尝试向导航抽屉添加不同的视图。我已经使用Android Studio创建了导航抽屉,它确实创建了导航抽屉,其中的内容是一个片段,所以旧的教程不起作用 以下是我的主要活动布局: <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools"

我正在尝试向导航抽屉添加不同的视图。我已经使用Android Studio创建了导航抽屉,它确实创建了导航抽屉,其中的内容是一个片段,所以旧的教程不起作用

以下是我的主要活动布局:

<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.app.MainActivity">

    <!-- As the main content view, the view below consumes the entire
         space available using match_parent in both dimensions. -->
    <FrameLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <!-- android:layout_gravity="start" tells DrawerLayout to treat
         this as a sliding drawer on the left side for left-to-right
         languages and on the right side for right-to-left languages.
         If you're not building against API 17 or higher, use
         android:layout_gravity="left" instead. -->
    <!-- The drawer is given a fixed width in dp and extends the full height of
         the container. -->
    <fragment android:id="@+id/navigation_drawer"
        android:layout_width="@dimen/navigation_drawer_width"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:name="com.example.app.NavigationDrawerFragment"
        tools:layout="@layout/fragment_navigation_drawer" />

</android.support.v4.widget.DrawerLayout>
通常,没有线性布局,我自己补充道。我尝试在studio生成的代码中更改的唯一内容是NavigationDrawerFragment的onCreateView:

    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View drawerView = inflater.inflate(
                R.layout.fragment_navigation_drawer, container, false);

        mDrawerListView = (ListView) drawerView.findViewById(R.id.navigation_drawer_list);
//        mDrawerListView = (ListView) inflater.inflate(
//                R.layout.fragment_navigation_drawer, container, false);
//      ...
评论的部分是以前的部分。如果我删除LinearLayout并将ListView保留在
fragment\u navigation\u drawer.xml
中,效果会很好。我不知道我还需要做什么才能让它工作

编辑:

当我试图启动应用程序时,应用程序崩溃,以下是logcat输出:

08-10 19:43:05.784  24162-24162/com.example.app E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: com.example.app, PID: 24162
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.app/com.example.app.MainActivity}: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2198)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2257)
            at android.app.ActivityThread.access$800(ActivityThread.java:139)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5086)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
            at android.view.ViewGroup.addViewInner(ViewGroup.java:3564)
            at android.view.ViewGroup.addView(ViewGroup.java:3417)
            at android.support.v4.widget.DrawerLayout.addView(DrawerLayout.java:1406)
            at android.view.ViewGroup.addView(ViewGroup.java:3393)
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
            at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
            at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
            at android.app.Activity.setContentView(Activity.java:1937)
            at com.example.app.MainActivity.onCreate(MainActivity.java:31)
            at android.app.Activity.performCreate(Activity.java:5248)
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1110)
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2162)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2257)
            at android.app.ActivityThread.access$800(ActivityThread.java:139)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:136)
            at android.app.ActivityThread.main(ActivityThread.java:5086)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:515)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
            at dalvik.system.NativeStart.main(Native Method)

必须更改NavigationDrawerFragment.onCreateView从返回的视图

return mDrawerListView


要更改
MainActivity.java上的导航抽屉元素,必须添加以下代码:

drawerFragment = (FragmentDrawer) getSupportFragmentManager().findFragmentById(R.id.nav_drawer_right_sidebar_menu_fragment);
ImageView image =(ImageView) drawerFragment.getView().findViewById(R.id.imageProfile);
image.setImageResource(R.drawable.profilePicture);
drawerFragment.setUp(R.id.nav_drawer_right_sidebar_menu_fragment,(DrawerLayout) findViewById(R.id.drawer_layout), mToolbar);
drawerFragment.setDrawerListener(this);

您能描述一下在线性布局中离开listview时出现的错误吗?很高兴您找到了答案。“返回”行不在你的帖子里,所以我猜是你返回的抽屉视图。当您膨胀listView时,它已经有了一个父视图(linearLayout),因此当您返回listView时,实际上是在尝试通过将其设置为根视图来为它提供第二个父视图(容器)。这就是你的错误。谢谢分享。我被同一个问题困扰了将近一天。
return drawerView
drawerFragment = (FragmentDrawer) getSupportFragmentManager().findFragmentById(R.id.nav_drawer_right_sidebar_menu_fragment);
ImageView image =(ImageView) drawerFragment.getView().findViewById(R.id.imageProfile);
image.setImageResource(R.drawable.profilePicture);
drawerFragment.setUp(R.id.nav_drawer_right_sidebar_menu_fragment,(DrawerLayout) findViewById(R.id.drawer_layout), mToolbar);
drawerFragment.setDrawerListener(this);