首先要把歡迎畫面的Activity設為最先執行的Activity
<application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.demo.welcome.WelComeActivity" android:windowSoftInputMode="stateAlwaysHidden|adjustResize" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="com.demo.MainActivity" android:screenOrientation="portrait" > </activity>然後在歡迎畫面的Activity裡
public class WelComeActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mHandler.sendEmptyMessageDelayed(GOTO_MAIN_ACTIVITY, 3000);//3秒跳轉 } private static final int GOTO_MAIN_ACTIVITY = 0; private Handler mHandler = new Handler(){ public void handleMessage(android.os.Message msg) { switch (msg.what) { case GOTO_MAIN_ACTIVITY: Intent intent = new Intent(); intent.setClass(WelComeActivity.this, MainActivity.class); startActivity(intent); finish(); break; default: break; } }; };文章標籤
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不好意思,想要請問一下 在歡迎中的activity 中的 mHandler.sendEmptyMessageDelayed(GOTO_MAIN_ACTIVITY, 3000);//3秒跳轉 這裡的mHandler是指甚麼呢?