Atenção o livro Google Android sugere usar este método: Handler - usando Runnable para Splash
Projeto
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
</LinearLayout>
splash.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/splashimage"
android:orientation="vertical" >
</LinearLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.esplachi"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="7" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".Splash"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".EsplachiActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.INICIO" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>
EsplachiActivity.java
package com.esplachi;
import android.app.Activity;
import android.os.Bundle;
public class EsplachiActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
Splash.java
package com.esplachi;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class Splash extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash);
// cria um timer
Thread timer = new Thread() {
@Override
public void run() {
try {
sleep(3000); // delay de 3 segundos NAO ACONSELHADO USAR SLEEP
} catch (InterruptedException e) {
e.getStackTrace();
} finally {
// aqui abre a tela principal
Intent abrePrincipal = new Intent("android.intent.action.INICIO");
startActivity(abrePrincipal);
}
}
};
timer.start();
}
@Override
protected void onPause() {
super.onPause();
// isto aqui faz com que a tela "splash" não volte quando pressionar VOLTAR
finish();
}
}