几个小时前，我完成了我的大项目，虽然我需要在所有课程中手动重命名项目包名称。在一切正常之前，一切正常，但是现在，当我更改所有包名时，我在LogCat中遇到了这些错误：
12-09 21:40:48.793: D/AndroidRuntime(11168): Shutting down VM
12-09 21:40:48.793: W/dalvikvm(11168): threadid=1: thread exiting with uncaught exception (group=0x41824898)
12-09 21:40:48.803: E/AndroidRuntime(11168): FATAL EXCEPTION: main
12-09 21:40:48.803: E/AndroidRuntime(11168): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.diamondappz.linksmiausikalediniaisveikinimai/com.diamondappz.linksmiausikalediniaisveikinimai.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.diamondappz.linksmiausikalediniaisveikinimai.MainActivity" on path: /data/app/com.diamondappz.linksmiausikalediniaisveikinimai-1.apk
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2229)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread.access$700(ActivityThread.java:165)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1326)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.os.Handler.dispatchMessage(Handler.java:99)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.os.Looper.loop(Looper.java:137)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread.main(ActivityThread.java:5450)
12-09 21:40:48.803: E/AndroidRuntime(11168): at java.lang.reflect.Method.invokeNative(Native Method)
12-09 21:40:48.803: E/AndroidRuntime(11168): at java.lang.reflect.Method.invoke(Method.java:525)
12-09 21:40:48.803: E/AndroidRuntime(11168): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1187)
12-09 21:40:48.803: E/AndroidRuntime(11168): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
12-09 21:40:48.803: E/AndroidRuntime(11168): at dalvik.system.NativeStart.main(Native Method)
12-09 21:40:48.803: E/AndroidRuntime(11168): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.diamondappz.linksmiausikalediniaisveikinimai.MainActivity" on path: /data/app/com.diamondappz.linksmiausikalediniaisveikinimai-1.apk
12-09 21:40:48.803: E/AndroidRuntime(11168): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
12-09 21:40:48.803: E/AndroidRuntime(11168): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
12-09 21:40:48.803: E/AndroidRuntime(11168): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.Instrumentation.newActivity(Instrumentation.java:1078)
12-09 21:40:48.803: E/AndroidRuntime(11168): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2220)
12-09 21:40:48.803: E/AndroidRuntime(11168): ... 11 more
我的应用程序崩溃，我什么也做不了。我尝试使用谷歌搜索并在StackOverflow上搜索类似的问题，我找到了几个解决方案，但没有任何工作。 也许有人知道在这种情况下我该怎么做？对于这样的错误，有时候我无法做任何让它工作的事情，这是非常令人沮丧的。非常感谢您的回复。
编辑：这是我的清单：
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.diamondappz.linksmiausikalediniaisveikinimai"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.CustomDark" >
<receiver
android:name="funny.topic.free.jokes.Widget"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="@xml/widget_generic" />
</receiver>
<service
android:name="funny.topic.free.jokes.AlarmService_Service"
android:process=":remote" />
<activity
android:name=".MainActivity"
android:screenOrientation="portrait" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".activity.AuthorList"
android:screenOrientation="portrait" >
>
</activity>
<activity
android:name=".activity.AuthorQuoteList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.QuoteView"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.QuoteList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.FavouristList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.CategoryList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.FilterList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.CategoryQuoteList"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.SearchActivity"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.HelpActivity"
android:screenOrientation="portrait" >
</activity>
<activity
android:name=".activity.SettingActivity"
android:screenOrientation="portrait" >
</activity>
<activity
android:name="com.google.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize" />
</application>
</manifest>