Unable to instantiate activity ComponentInfo

[AidenAo]

E/AndroidRuntime(408): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.ao.serActivity/com.ao.serActivity.serActivity.SerActivity}: java.lang.ClassNotFoundException: com.ao.serActivity.serActivity.SerActivity in loader dalvik.system.PathClassLoader[/data/app/com.ao.serActivity-2.apk]

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

    <uses-sdk android:minSdkVersion="8" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:label="@string/app_name"
            android:name="com.ao.exampleService.MainActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <service 
            android:name="com.ao.exampleService.ExampleService"></service>
    </application>

</manifest>

[Astraea16]

我也碰到这种情况 android:name 没错 但是报这个错

[mal_114]

怎么解决的啊

[cfdream]

请问楼主这个问题有解决么？这个问题困扰了几天了。