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我正在使用 aFileChooser 库，每次我选择选择一个文件时，都会收到一个找不到类的错误，即使我已将它添加到我的构建路径和清单中。这是 mu Manifest 中的内容：

    <activity
android:name="com.ipaulpro.afilechooser.FileChooserActivity"
android:icon="@drawable/ic_chooser"
android:enabled="@bool/use_activity"
android:exported="true"
android:label="@string/choose_file" >
<intent-filter>
    <action android:name="android.intent.action.GET_CONTENT" />

    <category android:name="android.intent.category.DEFAULT" />
    <category android:name="android.intent.category.OPENABLE" />

    <data android:mimeType="*/*" />
</intent-filter>
</activity>

这是我的日志：

    08-14 16:05:07.469: E/AndroidRuntime(538): FATAL EXCEPTION: main
08-14 16:05:07.469: E/AndroidRuntime(538): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.dogger20011.mcpemodlocater/com.ipaulpro.afilechooser.FileChooserActivity}: java.lang.ClassNotFoundException: com.ipaulpro.afilechooser.FileChooserActivity
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread.access$600(ActivityThread.java:123)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.os.Handler.dispatchMessage(Handler.java:99)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.os.Looper.loop(Looper.java:137)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread.main(ActivityThread.java:4424)
08-14 16:05:07.469: E/AndroidRuntime(538):  at java.lang.reflect.Method.invokeNative(Native Method)
08-14 16:05:07.469: E/AndroidRuntime(538):  at java.lang.reflect.Method.invoke(Method.java:511)
08-14 16:05:07.469: E/AndroidRuntime(538):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
08-14 16:05:07.469: E/AndroidRuntime(538):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
08-14 16:05:07.469: E/AndroidRuntime(538):  at dalvik.system.NativeStart.main(Native Method)
08-14 16:05:07.469: E/AndroidRuntime(538): Caused by: java.lang.ClassNotFoundException: com.ipaulpro.afilechooser.FileChooserActivity
08-14 16:05:07.469: E/AndroidRuntime(538):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
08-14 16:05:07.469: E/AndroidRuntime(538):  at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
08-14 16:05:07.469: E/AndroidRuntime(538):  at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
08-14 16:05:07.469: E/AndroidRuntime(538):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
08-14 16:05:07.469: E/AndroidRuntime(538):  ... 11 more
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1 回答 1

0

确保您已正确导入库然后确保您的实际项目未选择为库

检查类名和文件名确保正确提及您的 android manifest 包名

或者

NoNonsense-FilePicker

   <activity
        android:name="com.nononsenseapps.filepicker.FilePickerActivity"
        android:label="@string/app_name"
        android:screenOrientation="portrait"
        android:theme="@style/FilePickerTheme">
        <intent-filter>
            <action android:name="android.intent.action.GET_CONTENT" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </activity>
于 2014-08-14T18:05:40.627 回答