【问题标题】:ClassNotFoundException: Didn't find class "android.support.design.R$styleable"ClassNotFoundException:找不到类“android.support.design.R$styleable”
【发布时间】:2015-06-21 11:28:31
【问题描述】:

您好,我正在使用NavigationView,但出现错误,下面是我的 xml,我已经包含了 android 支持和 v7 库

project.properties 因为我没有使用 Android Studio

target=android-22
android.library.reference.1=../android-support-v7-appcompat
android.library.reference.2=../design


<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="com.toxic.apps.kodi" >

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

    <android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="@color/primary"
        android:minHeight="?attr/actionBarSize" />

    <FrameLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>

<android.support.design.widget.NavigationView
    android:id="@+id/navigation"
    app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    app:headerLayout="@layout/drawer_header"
    app:itemTextColor="@color/primary"
    app:menu="@menu/drawer" />

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

下面是我的堆栈跟踪

06-21 06:24:12.799: E/AndroidRuntime(4913): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.toxic.apps.kodi/com.toxic.apps.kodi.Activities.MainActivity}: android.view.InflateException: Binary XML file line #30: Error inflating class android.support.design.widget.NavigationView
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread.access$800(ActivityThread.java:144)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.os.Handler.dispatchMessage(Handler.java:102)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.os.Looper.loop(Looper.java:135)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread.main(ActivityThread.java:5221)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.reflect.Method.invoke(Native Method)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.reflect.Method.invoke(Method.java:372)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
06-21 06:24:12.799: E/AndroidRuntime(4913): Caused by: android.view.InflateException: Binary XML file line #30: Error inflating class android.support.design.widget.NavigationView
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.createView(LayoutInflater.java:633)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at com.toxic.apps.kodi.Activities.AbstractBaseActivity.setContentView(AbstractBaseActivity.java:33)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at com.toxic.apps.kodi.Activities.MainActivity.onCreate(MainActivity.java:35)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.Activity.performCreate(Activity.java:5933)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
06-21 06:24:12.799: E/AndroidRuntime(4913):     ... 10 more
06-21 06:24:12.799: E/AndroidRuntime(4913): Caused by: java.lang.reflect.InvocationTargetException
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.reflect.Constructor.newInstance(Native Method)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.view.LayoutInflater.createView(LayoutInflater.java:607)
06-21 06:24:12.799: E/AndroidRuntime(4913):     ... 22 more
06-21 06:24:12.799: E/AndroidRuntime(4913): Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/design/R$styleable;
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.support.design.internal.ScrimInsetsFrameLayout.<init>(ScrimInsetsFrameLayout.java:54)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.support.design.widget.NavigationView.<init>(NavigationView.java:92)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at android.support.design.widget.NavigationView.<init>(NavigationView.java:88)
06-21 06:24:12.799: E/AndroidRuntime(4913):     ... 25 more
06-21 06:24:12.799: E/AndroidRuntime(4913): Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.design.R$styleable" on path: DexPathList[[zip file "/data/app/com.toxic.apps.kodi-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
06-21 06:24:12.799: E/AndroidRuntime(4913):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
06-21 06:24:12.799: E/AndroidRuntime(4913):     at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
06-21 06:24:12.799: E/AndroidRuntime(4913):     ... 28 more
06-21 06:24:12.799: E/AndroidRuntime(4913):     Suppressed: java.lang.ClassNotFoundException: android.support.design.R$styleable
06-21 06:24:12.799: E/AndroidRuntime(4913):         at java.lang.Class.classForName(Native Method)
06-21 06:24:12.799: E/AndroidRuntime(4913):         at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
06-21 06:24:12.799: E/AndroidRuntime(4913):         at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
06-21 06:24:12.799: E/AndroidRuntime(4913):         at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
06-21 06:24:12.799: E/AndroidRuntime(4913):         ... 29 more
06-21 06:24:12.799: E/AndroidRuntime(4913):     Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

【问题讨论】:

  • 你创建了菜单项
  • 从 gradle 文件中发布依赖项似乎你错过了什么
  • 是 app:menu="@menu/drawer"
  • @OlegOsipenko 更新了 project.properties
  • 如果你是用eclipse构建的,请检查设计库的资源是否正确加载,并相应生成R文件。也许,一个干净的项目会有所帮助。

标签: android android-5.0-lollipop navigationview


【解决方案1】:

好的,最后我使用 Denis Loh 的建议解决了这个问题。解决此问题的关键是检查所有包含库的 R 文件,当此崩溃发生时,design library 不会生成 R,因此不会显示在项目的 gen 文件夹中。

但是eclipse不会告诉你为什么它没有生成(上帝知道eclipse是怎么工作的)

所以为了生成设计文件夹的R文件

在设计库的 project.properties 中将 target 设置为 21 或最高 可用

干净的 v7 ,设计和您的项目运行和享受

【讨论】:

  • 这为我指明了正确的方向,尽管如果这对任何人都没有帮助,请尝试删除项目目录根目录中的“build”文件夹,然后删除“Build > Rebuild Project”
【解决方案2】:

您可以从 \sdk\extras\android\support\design 导入 androidSupportDesign 并勾选“isLibrary”,然后将 appcombat_v7(lib) 导入到 androidSupportDesign。 最后你导入你的项目并清理构建! 希望对你有帮助

所有项目都使用 api > 21 构建

你!

【讨论】:

    【解决方案3】:

    我如何解决这个问题是先运行'./gradlew clean',然后尝试用'./gradlew installDebug'编译代码。

    我猜这个问题是由于旧的 R 文件仍然保持不变,编译器在旧的 R 文件中找不到与 CoordinatorLayout 相关的资源。

    希望对您有所帮助。

    【讨论】:

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