White screen after splashscreen, Ionic2, android device

Question

I am currently developing Ionic2 app. I face a problem that after Splash screen, there is a white screen for 6-7 seconds, before app home screen.

I tried some googli

Answer 1

Add the --prod flag during any of the following CLI commands:

// If iOS
ionic emulate ios --prod
ionic build ios --prod
ionic run ios --prod


// If Android
ionic emulate android --prod
ionic build android --prod
ionic run android --prod

More info of build (prepare + compile) an Ionic project for a given platform https://ionicframework.com/docs/cli/cordova/build/

Answer 2

Updating Ionic project and change some preferences did the trick for me.

Here the changelog and infos.

1 - Update to the latest version of the Ionic CLI, Cordova and Typescript:

npm uninstall -g ionic cordova typescript
npm install -g ionic cordova typescript

2 - Update your package.json to match the following dependencies, remove existing node_modules directory, and then run npm install:

  "scripts": {
    "build": "ionic-app-scripts build",
    "clean": "ionic-app-scripts clean",
    "ionic:build": "ionic-app-scripts build",
    "ionic:serve": "ionic-app-scripts serve"
  },
  "dependencies": {
    "@angular/common": "4.0.2",
    "@angular/compiler": "4.0.2",
    "@angular/compiler-cli": "4.0.2",
    "@angular/core": "4.0.2",
    "@angular/forms": "4.0.2",
    "@angular/http": "4.0.2",
    "@angular/platform-browser": "4.0.2",
    "@angular/platform-browser-dynamic": "4.0.2",
    "@ionic-native/core": "3.6.1",
    "@ionic-native/in-app-browser": "3.6.1",
    "@ionic-native/splash-screen": "3.6.1",
    "@ionic-native/status-bar": "3.6.1",
    "@ionic/storage": "2.0.1",
    "ionic-angular": "3.1.1",
    "ionicons": "3.0.0",
    "rxjs": "5.1.1",
    "sw-toolbox": "3.4.0",
    "zone.js": "0.8.9"
  },
  "devDependencies": {
    "@ionic/app-scripts": "1.3.6",
    "typescript": "2.3.2"
  }

3 - Update your config.xlm with these preferences (live review is ok):

  <preference name="loadUrlTimeoutValue" value="700000"/>
  <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="StatusBarStyle" value="default"/>
  <preference name="SplashScreen" value="screen"/>
  <preference name="orientation" value="default"/>
  <preference name="SplashMaintainAspectRatio" value="true"/>
  <preference name="FadeSplashScreenDuration" value="300"/>
  <preference name="ShowSplashScreenSpinner" value="false"/>
  <preference name="AutoHideSplashScreen" value="false"/>
  <preference name="CordovaWebViewEngine" value="CDVWKWebViewEngine"/>
  <preference name="SplashScreenDelay" value="3000"/>

4 - Then I have copy/pasted some code that had been modified recently from here into my project (Ionic 2 demo and up to date app - Check the Github).

Now the application starts successfully without long splashscreen.

ps:

• livereview: ionic run android -l
• production: ionic run android --prod --release
• Remember that you have to hide manually the splashscreen (like @Markus Wagner said) in your app.component.ts: this.platform.ready().then(() => { Splashscreen.hide(); });

EDIT: Update to Ionic v3.1.1 (2017-04-28)

Answer 3

I’ve solved that issue by setting the correct parameters on config.xml

 <preference name="AutoHideSplashScreen" value="false" />
 <preference name="SplashScreenDelay" value="10000" />
 <preference name="FadeSplashScreenDuration" value="1000" />
 <preference name="SplashScreen" value="screen" />
 <preference name="ShowSplashScreen" value="true" />
 <preference name="ShowSplashScreenSpinner" value="false" />
 <preference name="SplashShowOnlyFirstTime" value="false" />
 <preference name="FadeSplashScreen" value="true" />

Then, on my platform.ready() instruction all I do is Splashscreen.hide();

Answer 4

By default, the splash screen is hidden after 3 seconds (see https://github.com/apache/cordova-plugin-splashscreen#configxml). But it could be that at this moment your app is not ready.

Therefore I add always the following preference to my config.xml:

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

Instead, I hide it manually, as soon as the app is ready:

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

This is working on iOS as well as on Android.