Android ClassNotFoundException：在路径上找不到类

  • Z时代
  • 2024-01-10
  • 分类：问答

10-22 15:29:40.897: E/AndroidRuntime(2561): FATAL EXCEPTION: main
10-22 15:29:40.897: E/AndroidRuntime(2561): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.gvg.simid/com.gvg.simid.Login}: java.lang.ClassNotFoundException: Didn't find class "com.gvg.simid.Login" on path: DexPathList[[zip file "/data/app/com.gvg.simid-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.gvg.simid-1, /vendor/lib, /system/lib]]
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2137)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread.access$600(ActivityThread.java:141)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.os.Looper.loop(Looper.java:137)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread.main(ActivityThread.java:5103)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at java.lang.reflect.Method.invokeNative(Native Method)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at java.lang.reflect.Method.invoke(Method.java:525)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at dalvik.system.NativeStart.main(Native Method)
10-22 15:29:40.897: E/AndroidRuntime(2561): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.gvg.simid.Login" on path: DexPathList[[zip file "/data/app/com.gvg.simid-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.gvg.simid-1, /vendor/lib, /system/lib]]
10-22 15:29:40.897: E/AndroidRuntime(2561):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
10-22 15:29:40.897: E/AndroidRuntime(2561):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2128)
10-22 15:29:40.897: E/AndroidRuntime(2561):     ... 11 more

我不太确定是什么原因导致的，因为清单中正确列出了它：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.gvg.simid"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.BLUETOOTH" />
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
    <uses-permission android:name="android.permission.CAMERA"/>
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_LOGS" />
    <uses-permission android:name="android.permission.READ_OWNER_DATA" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_OWNER_DATA" />
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-feature android:name="android.hardware.usb.host" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.gvg.simid.Login"
            android:label="@string/app_name" 
            android:screenOrientation="landscape">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>

我还添加了“ Android Private Libraries”来构建路径，并将其移至“ Order and Export”的顶部，但是它仍然给我同样的错误。

编辑：我完全重建了该项目，并且无法重现该错误。不知道是什么原因造成的。

回答：

我的项目有同样的问题。这是由于我的项目与我在项目中添加的库项目之间的android支持库版本冲突而发生的。将相同版本的android支持库放入您的项目和包含的库项目中，并清理构建 …一切正常。

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