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我不确定是什么导致这运行不正常，当我在我的 android 模拟器中运行应用程序时，它显示错误“不幸的是应用程序已停止”

感谢任何帮助。我的 logCat 错误看起来像这样

03-29 10:25:32.717: E/Trace(779): error opening trace file: No such file or directory (2)
03-29 10:25:32.907: E/AndroidRuntime(779): FATAL EXCEPTION: main
03-29 10:25:32.907: E/AndroidRuntime(779): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.parkingtracker/com.example.parkingtracker.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.example.parkingtracker.MainActivity" on path: /data/app/com.example.parkingtracker-1.apk
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2106)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread.access$600(ActivityThread.java:141)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.os.Handler.dispatchMessage(Handler.java:99)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.os.Looper.loop(Looper.java:137)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread.main(ActivityThread.java:5041)
03-29 10:25:32.907: E/AndroidRuntime(779):  at java.lang.reflect.Method.invokeNative(Native Method)
03-29 10:25:32.907: E/AndroidRuntime(779):  at java.lang.reflect.Method.invoke(Method.java:511)
03-29 10:25:32.907: E/AndroidRuntime(779):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
03-29 10:25:32.907: E/AndroidRuntime(779):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
03-29 10:25:32.907: E/AndroidRuntime(779):  at dalvik.system.NativeStart.main(Native Method)
03-29 10:25:32.907: E/AndroidRuntime(779): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.parkingtracker.MainActivity" on path: /data/app/com.example.parkingtracker-1.apk
03-29 10:25:32.907: E/AndroidRuntime(779):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
03-29 10:25:32.907: E/AndroidRuntime(779):  at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
03-29 10:25:32.907: E/AndroidRuntime(779):  at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
03-29 10:25:32.907: E/AndroidRuntime(779):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
03-29 10:25:32.907: E/AndroidRuntime(779):  ... 11 more

我的 AndroidManifest.xml 看起来像这样

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.parkingtracker"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />
<supports-screens 
    android:largeScreens="true" 
    android:normalScreens="true" 
    android:smallScreens="true" 
    android:resizeable="true" 
    android:anyDensity="true" />

<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.WRITE_CONTACTS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> 
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.BROADCAST_STICKY" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.parkingtracker.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>
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2 回答 2

2

它似乎缺少一个名为 MainActivity 的类。正确检查您的 java 类名和包名

于 2013-03-29T10:46:30.720 回答
1

对于那些面临同样问题的人，我正在发布解决方案

问题：

在 Eclipse 中创建一个新的 Android 项目后，我在构建路径中包含了 cordova jar，并将我的 html 页面添加到了 assests/www 文件夹中，并在 MainActivity.java 文件中进行了相应的更改。但是在 Android Emulator 中运行应用程序时，它显示错误“不幸的是 HelloWorldCordova 应用程序已意外停止”。

解决方案：请阅读我的要点以找到解决方案

https://gist.github.com/itsamiths/5276983

于 2013-08-14T13:26:54.080 回答