Android应用启动-闪屏（splash）

package com.example.splashdemo;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);new Handler().postDelayed(new Runnable() {@Overridepublic void run() {// TODO Auto-generated method stubIntent intent = new Intent(MainActivity.this,SecondActivity.class);startActivity(intent);finish();}}, 2000);}@Overridepublic void onBackPressed() {//取消backpressed的响应}}

<activity            android:name="com.example.splashdemo.MainActivity"            android:label="@string/app_name"             android:theme="@android:style/Theme.Black.NoTitleBar"            android:screenOrientation="portrait"            >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>