以下类无法实例化android.support.v7.widget.Toolbar

时间：2016-03-02 16:07:35

标签： android

我在Android布局的预览窗口中收到以下错误：

Rendering Problems Rendering failed with a known bug. Please try a rebuild.  The following classes could not be instantiated:
- android.support.v7.widget.Toolbar (Open Class, Show Exception, Clear Cache)

 Tip: Use View.isInEditMode() in your custom views to skip code or show sample data when shown in the IDE  Exception Details 

java.lang.NoSuchFieldError: abc_ratingbar_indicator_material   at 
android.support.v7.widget.AppCompatDrawableManager.tintDrawable(AppCompatDrawableManager.java:222)   at
android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:184)   at 
android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:173)   at 
android.support.v7.widget.TintTypedArray.getDrawable(TintTypedArray.java:60)   at
android.support.v7.widget.Toolbar.<init>(Toolbar.java:254)   at 
android.support.v7.widget.Toolbar.<init>(Toolbar.java:196)   at 
java.lang.reflect.Constructor.newInstance(Constructor.java:526)   at 
android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:806)   at 
android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:64)   at
 android.view.LayoutInflater.rInflate(LayoutInflater.java:782)   at android.view.LayoutInflater.inflate(LayoutInflater.java:504)   at 
android.view.LayoutInflater.inflate(LayoutInflater.java:385) Copy stack to clipboard

我有以下

<LinearLayout
    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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <android.support.v7.widget.Toolbar
        android:id="@+id/activity_action_toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/primary_color"
        app:contentInsetEnd="0dp"
        app:contentInsetStart="0dp"
        android:elevation="4dp"
        android:fitsSystemWindows="true"
        app:navigationIcon="@drawable/abc_ic_ab_back_material"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
        app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        android:transitionName="@string/transition_key_action">

            <LinearLayout
                android:id="@+id/actvity_action_focus_placeholder"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:layout_marginTop="56dp"
                android:layout_marginLeft="16dp"
                android:descendantFocusability="beforeDescendants"
                android:focusableInTouchMode="true"
                android:paddingBottom="6dp">

                <EditText
                    android:id="@+id/activity_action_name_edittext"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="@string/createaction_name_placeholder"
                    android:layout_marginRight="16dp"
                    android:imeOptions="actionDone"
                    android:singleLine="true"
                    android:ellipsize="none"
                    android:inputType="text"
                    android:textSize="22sp"
                    android:textColor="#fff"
                    android:focusable="true"
                    android:background="@android:color/transparent"
                    android:transitionName="@string/transition_key_action_name"/>

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:textAppearance="?android:attr/textAppearanceSmall"
                    android:text="Från: [Möte] (Datum)"
                    android:id="@+id/activity_action_meetingdate"
                    android:textColor="#fff"
                    android:layout_marginBottom="6dp"
                    android:layout_marginRight="16dp"
                    android:transitionName="@string/transition_key_action_date"/>

            </LinearLayout>

    </android.support.v7.widget.Toolbar>

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/activity_action_swipe_refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        tools:context=".Activities.ActionActivity">

            <android.support.v7.widget.RecyclerView
                android:id="@+id/activity_action_recyclerview"
                android:scrollbars="vertical"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:descendantFocusability="beforeDescendants"/>

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

</LinearLayout>

我在Gradle文件中有以下内容：

classpath 'com.android.tools.build:gradle:1.2.3'
classpath 'com.google.gms:google-services:1.4.0-beta3'

... 

compile 'com.android.support:design:23.2.0'
compile 'com.mcxiaoke.volley:library:1.0.16'
compile 'com.android.support:cardview-v7:23.2.0'
compile 'com.android.support:recyclerview-v7:23.2.0'
compile 'com.prolificinteractive:material-calendarview:0.8.0'
compile 'net.hockeyapp.android:HockeySDK:3.5.0'
compile 'com.google.code.gson:gson:1.7.2'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.google.android.gms:play-services-analytics:8.1.0'
compile 'com.google.android.gms:play-services:8.4.0'
compile 'com.android.support:appcompat-v7:23.2.0'
compile 'com.android.support:support-v4:23.2.0'

我的styles.xml：

<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorControlNormal">@color/secondary_text</item>
        <item name="colorControlActivated">@color/accent_color</item>
        <item name="colorControlHighlight">@color/secondary_text</item>
        <item name="colorPrimary">@color/primary_color</item>
        <item name="colorPrimaryDark">@color/dark_primary_color</item>
        <item name="colorAccent">@color/accent_color</item>

        <item name="android:windowActionModeOverlay">true</item>
        <item name="windowActionModeOverlay">true</item>
        <item name="android:actionModeBackground">@color/dark_primary_color</item>

    </style>

我尝试更改为Base.Theme.AppCompat.Light.NoActionBar，但它不存在。我已尝试更改为compile 'com.android.support:design:23.2.0'，在预览中切换API级别，重建，使缓存等无效。

有什么想法吗？

2 个答案:

答案 0 :(得分：0)

我认为这已经在支持23.3.0中修复，至少它已经为我修复了。

答案 1 :(得分：0)

升级到支持库（23.3.0）后，它也发生在我身上。清理和重建解决了这个问题。

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