Sou novo no Android. Eu tenho uma visualização da Web que carrega um URL. O problema é que depois de abrir o aplicativo, há uma tela branca por 2-3 segundos depois que o URL da visualização da Web é carregado.

Eu acho que esta é a hora que o aplicativo inicia. Como posso remover a tela branca e exibir meu logotipo para esse momento? Ouvi falar de tela inicial, mas em que o logotipo aparece por 1 segundo, em seguida, a tela branca aparece por mais 2-3 segundos e, finalmente, a exibição da web é carregada.

O que estou fazendo de errado? A tela inicial ou outra forma de exibir o logotipo enquanto a visualização da Web é carregada?

package com.exampe.dating;

import android.os.Bundle;
import android.app.Activity;
import android.app.ProgressDialog;
import android.view.KeyEvent;
import android.view.Menu;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        WebView mywebview = (WebView) findViewById(R.id.webview);
         mywebview.loadUrl("http://www.example.com/mobile/index.php");
         WebSettings webSettings = mywebview.getSettings();
         webSettings.setJavaScriptEnabled(true);
         mywebview.setWebViewClient(new WebViewClient());
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        WebView mywebview = (WebView) findViewById(R.id.webview);
        if ((keyCode == KeyEvent.KEYCODE_BACK) && mywebview.canGoBack()) {
            mywebview.goBack();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
}

splashActivity.java

package com.exampe.dating;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
import android.view.WindowManager;

public class SplashActivity extends Activity {

       private static String TAG = SplashActivity.class.getName();
       private static long SLEEP_TIME = 10;    // Sleep for some time

       @Override
       protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);

          this.requestWindowFeature(Window.FEATURE_NO_TITLE);    // Removes title bar
          this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);    // Removes notification bar

          setContentView(R.layout.splash);

          // Start timer and launch main activity
          IntentLauncher launcher = new IntentLauncher();
          launcher.start();
       }

       private class IntentLauncher extends Thread {
          @Override
          /**
           * Sleep for some time and than start new activity.
           */
          public void run() {
             try {
                // Sleeping
                Thread.sleep(SLEEP_TIME*1000);
             } catch (Exception e) {
                Log.e(TAG, e.getMessage());
             }

             // Start main activity
             Intent intent = new Intent(SplashActivity.this, MainActivity.class);
             SplashActivity.this.startActivity(intent);
             SplashActivity.this.finish();
          }
       }
    }

androidManifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.exampe.dating"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="8" />
<uses-permission android:name="android.permission.INTERNET" /> 
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
         <activity
         android:name=".SplashActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>

        <activity
            android:name="com.exampe.dating.MainActivity"
            android:label="@string/app_name"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen"  >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>


    </application>

</manifest>