android studio library 安装时候出现两个应用程序图标

<application
android:label="@string/app_name" >
<!--<activity
android:name="com.htl.Zxing.decoding.CaptureActivity"
android:configChanges="orientation|keyboardHidden"
android:screenOrientation="portrait"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:windowSoftInputMode="stateAlwaysHidden" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="com.htl.Zxing.decoding.CaptureActivity2"></activity>-->
</application>