API指南----application

<application android:allowTaskReparenting=["true" | "false"]
    android:allowBackup=["true" | "false"]
    android:backupAgent="string"
    android:debuggable=["true" | "false"]
    android:description="string resource"
    android:enabled=["true" | "false"]
    android:hasCode=["true" | "false"]
    android:hardwareAccelerated=["true" | "false"]
    android:icon="drawable resource"
    android:killAfterRestore=["true" | "false"]
    android:largeHeap=["true" | "false"]
    android:label="string resource"
    android:logo="drawable resource"
    android:manageSpaceActivity="string"
    android:name="string"
    android:permission="string"
    android:persistent=["true" | "false"]
    android:process="string"
    android:restoreAnyVersion=["true" | "false"]
    android:requiredAccountType="string"
    android:restrictedAccountType="string"
    android:supportsRtl=["true" | "false"]
    android:taskAffinity="string"
    android:testOnly=["true" | "false"]
    android:theme="resource or theme"
    android:uiOptions=["none" | "splitActionBarWhenNarrow"]
    android:vmSafeMode=["true" | "false"] >
    . . .
< /application >

转载：http://blog.sina.com.cn/s/blog_48d491300100zmga.html#allowbackup