<application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.whxph.activity02.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>
      
这里是我的注册:  
        <activity 
            android:name=".OtherAvtivity"
            android:label="@string/other">
         </activity>

    </application>报错:
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.whxph.activity02/com.whxph.activity02.OtherActivity}; have you declared this activity in your AndroidManifest.xml?Androidactivity