<intent-filter>
                <action android:name="android.intent.action.VIEW"></action>
                <category android:name="android.intent.category.DEFAULT"></category>
                <data android:mimeType="*/*"></data>
            </intent-filter>
如果你想关联发送共享之类的,可以加上
			<intent-filter>
				<action android:name="android.intent.action.SEND" />
				<category android:name="android.intent.category.DEFAULT" />
				<data android:mimeType="*/*" />
			</intent-filter>

<key>CFBundleDocumentTypes</key>
    <array>
        <dict>
            <key>CFBundleTypeName</key>
            <string>com.myapp.common-data</string>
            <key>LSItemContentTypes</key>
            <array>
                <string>com.microsoft.powerpoint.ppt</string>
                <string>public.item</string>
                <string>com.microsoft.word.doc</string>
                <string>com.adobe.pdf</string>
                <string>com.microsoft.excel.xls</string>
                <string>public.image</string>
                <string>public.content</string>
                <string>public.composite-content</string>
                <string>public.archive</string>
                <string>public.audio</string>
                <string>public.movie</string>
                <string>public.text</string>
                <string>public.data</string>
            </array>
        </dict>
    </array>