Android 之欢迎界面Splash

package mobile.android.splash;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class SplashActivity extends Activity
{
	private final int SPLASH_DISPLAY_LENGHT = 2000; // 延迟两秒

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

		new Handler().postDelayed(new Runnable()
		{

			@Override
			public void run()
			{
				Intent mainIntent = new Intent(SplashActivity.this,MainActivity.class);
				SplashActivity.this.startActivity(mainIntent);
				SplashActivity.this.finish();
			}

		}, SPLASH_DISPLAY_LENGHT);
	}

}

AndroidManifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="mobile.android.splash"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="mobile.android.splash.SplashActivity"
            android:label="@string/app_name"
            android:theme="@style/Splash" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name="mobile.android.splash.MainActivity"
            android:label="主窗口" />
    </application>
</manifest>

Styles.xml

<style name="Splash">
        <item name="android:windowBackground">@drawable/splash</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowFullscreen">true</item>   
    </style>