Android启动时闪一下黑屏或者白屏

<style name="Theme.AppStartLoadTranslucent" parent="android:Theme">  
            <item name="android:windowIsTranslucent">true</item> 
        <item name="android:windowNoTitle">true</item>  
</style>

<application  
        android:allowBackup="true"  
        android:icon="@drawable/ic_launcher"  
        android:label="@string/app_name"  
        android:theme="@style/Theme.AppStartLoadTranslucent"  
        >  
        <activity android:name=".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>  
    </application>