ionic3 启动白屏处理

 <preference name="AutoHideSplashScreen" value="false" />
    <preference name="FadeSplashScreenDuration" value="5000" />
    <preference name="ShowSplashScreen" value="true" />
    <preference name="ShowSplashScreenSpinner" value="false" />
    <preference name="SplashShowOnlyFirstTime" value="false" />
    <preference name="FadeSplashScreen" value="true" />
    <preference name="webviewbounce" value="false" />
    <preference name="UIWebViewBounce" value="false" />
    <preference name="DisallowOverscroll" value="true" />
    <preference name="android-minSdkVersion" value="16" />
    <preference name="BackupWebStorage" value="none" />
    <preference name="SplashMaintainAspectRatio" value="true" />
    <preference name="SplashScreen" value="screen" />
    <preference name="SplashScreenDelay" value="10000" />
    <preference name="loadUrlTimeoutValue" value="700000" />

<preference name="ShowSplashScreenSpinner" value="false" />

platform.ready().then(() => {
Splashscreen.hide();
});