//假設 這是引導頁面最后一個界面public class MainActivity extends Activity { private TextView count_time; private MyCountDownTimer myCountDownTimer; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); count_time= (TextView) findViewById(R.id.count_time); //new對象，傳入要停留的時間 myCountDownTimer=new MyCountDownTimer(5100,1000); //開始倒計時 myCountDownTimer.start(); } //自定義一個類繼承自CountDownTimer，實現多少秒后的邏輯 class MyCountDownTimer extends CountDownTimer{ /**  *  * @param millisInFuture  * 表示以毫秒為單位 倒計時的總數  *  * 例如 millisInFuture=1000 表示1秒  *  * @param countDownInterval  * 表示 間隔 多少微秒 調用一次 onTick 方法  *  * 例如: countDownInterval =1000 ; 表示每1000毫秒調用一次onTick()  *  */ public MyCountDownTimer(long millisInFuture, long countDownInterval) {  super(millisInFuture, countDownInterval); } @Override public void onTick(long millisUntilFinished) {  count_time.setText(millisUntilFinished/1000+"s"); } @Override public void onFinish() {  //停止倒計時  myCountDownTimer.cancel();  //實現頁面跳轉  startActivity(new Intent(MainActivity.this,SecondActivity.class)); } }}

//引導頁最后一個界面的.xml布局<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" > <TextView android:id="@+id/count_time" android:background="@drawable/bg" android:textColor="@android:color/holo_blue_bright" android:layout_width="60dp" android:layout_height="30dp" android:layout_centerInParent="true"/></RelativeLayout>

//這是跳轉后的界面public class SecondActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_second); }}

//引導頁跳轉后界面的.xml布局<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" > <TextView android:textColor="@android:color/holo_blue_bright" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:text="這是跳轉后的頁面" android:textSize="30sp" android:id="@+id/time" /></RelativeLayout>