MyApplication的配置：否则缓存为空

?

?

<application        android:icon="@drawable/ic_launcher"        android:name=".MyApplication"        android:label="@string/app_name" >        <activity            android:label="@string/app_name"            android:name=".MainView" >            <intent-filter >                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application>

?

?