工具栏-重力为LEFT时未找到抽屉视图 [英] Toolbar - No drawer view found with gravity LEFT

问题描述

在一个带有3个标签的活动中，我的工具栏出现问题.它可以在我的应用程序的所有其他页面上运行，但是由于某些原因，当我尝试单击此页面上的菜单时会崩溃.

I have a problem with my toolbar on one activity with 3 tabs. It works on all other pages of my app, but for some reason crashes when I try to click the menu on this page.

这是错误:

java.lang.IllegalArgumentException: No drawer view found with gravity LEFT
                                                                                at android.support.v4.widget.DrawerLayout.openDrawer(DrawerLayout.java:1618)
                                                                                at android.support.v7.app.ActionBarDrawerToggle.toggle(ActionBarDrawerToggle.java:290)
                                                                                at android.support.v7.app.ActionBarDrawerToggle.access$100(ActionBarDrawerToggle.java:64)
                                                                                at android.support.v7.app.ActionBarDrawerToggle$1.onClick(ActionBarDrawerToggle.java:200)
                                                                                at android.view.View.performClick(View.java:5697)
                                                                                at android.view.View$PerformClick.run(View.java:22526)
                                                                                at android.os.Handler.handleCallback(Handler.java:739)
                                                                                at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                                at android.os.Looper.loop(Looper.java:158)
                                                                                at android.app.ActivityThread.main(ActivityThread.java:7229)
                                                                                at java.lang.reflect.Method.invoke(Native Method)
                                                                                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
                                                                                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)

这是布局的xml:

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
                                             xmlns:app="http://schemas.android.com/apk/res-auto"
                                             xmlns:tools="http://schemas.android.com/tools"
                                             android:id="@+id/main_content"
                                             android:layout_width="match_parent"
                                             android:layout_height="match_parent"
                                             android:fitsSystemWindows="true"
                                             >


<android.support.v4.widget.DrawerLayout
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

<android.support.design.widget.AppBarLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingTop="0dp">

    <include android:id="@+id/app_bar"
             layout="@layout/toolbar" />


    <android.support.design.widget.TabLayout
        android:id="@+id/tab_layout"
        android:layout_width="match_parent"
        android:layout_height="48dp"/>

    <android.support.v4.view.ViewPager
        android:id="@+id/view_pager"
        android:layout_below="@id/tab_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>



        <fragment
            android:name="com.bestworkouts.sheikoworkout.NavigationDrawerFragment"
            android:id="@+id/fragment_navigation_drawer"
            tools:layout="@layout/fragment_navigation_drawer"
            android:layout_width="280dp"
            android:layout_height="match_parent"
            android:layout_gravity="start"
            app:layout="@layout/fragment_navigation_drawer" />




</android.support.design.widget.AppBarLayout>

</android.support.v4.widget.DrawerLayout>

谢谢，希望有人能帮助我！

Thanks, hope someone can help me out!

推荐答案

您不能将DrawerFragment放在DrawerLayout的子视图中您必须提供抽屉布局或抽屉片段作为Drawer布局的子视图.解决您的问题只需将Fragment放在AppbarLayout之外. 就是这样:

you can not put DrawerFragment inside child view of DrawerLayout You must have to provide drawer layout or drawer fragment as child view of Drawer layout. To solve your issue Simply put Fragment outside of AppbarLayout. just like that :

        <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
                                                 xmlns:app="http://schemas.android.com/apk/res-auto"
                                                 xmlns:tools="http://schemas.android.com/tools"
                                                 android:id="@+id/main_content"
                                                 android:layout_width="match_parent"
                                                 android:layout_height="match_parent"
                                                 android:fitsSystemWindows="true"
                                                 >


    <android.support.v4.widget.DrawerLayout
        android:id="@+id/drawer_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="0dp">

        <include android:id="@+id/app_bar"
                 layout="@layout/toolbar" />


        <android.support.design.widget.TabLayout
            android:id="@+id/tab_layout"
            android:layout_width="match_parent"
            android:layout_height="48dp"/>

        <android.support.v4.view.ViewPager
            android:id="@+id/view_pager"
            android:layout_below="@id/tab_layout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>







    </android.support.design.widget.AppBarLayout>

            <fragment
                android:name="com.bestworkouts.sheikoworkout.NavigationDrawerFragment"
                android:id="@+id/fragment_navigation_drawer"
                tools:layout="@layout/fragment_navigation_drawer"
                android:layout_width="280dp"
                android:layout_height="match_parent"
                android:layout_gravity="start"
                app:layout="@layout/fragment_navigation_drawer" />


    </android.support.v4.widget.DrawerLayout>
</android.support.design.widget.CoordinatorLayout>

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