Notification是要發出的通知,NotificationManager用來發出和取消通知 java
大概的步驟: android
1.得到系統服務NotificationManager app
2.實例化Notification 並設置其屬性 ide
3.調用setLatestEventInfo方法在視圖中設置圖標和時間(這個方法在Android 3.0被棄用) 測試
4.最後調用NotificationManager的notify方法 發出通知 this
package com.example.notification01; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Intent; public class MainActivity extends Activity { private Button btn1, btn2; private Notification n; private NotificationManager nm; private static final int ID = 1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn1 = (Button) findViewById(R.id.button1); btn1.setOnClickListener(new sendListener()); btn2 = (Button) findViewById(R.id.button2); btn2.setOnClickListener(new cancelListener()); // 1.得到系統服務NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); // 2.實例化Notification 並設置其屬性 n = new Notification(); n.icon = R.drawable.ic_launcher; n.tickerText = "Notification測試"; n.when = System.currentTimeMillis(); } public class sendListener implements OnClickListener { @Override public void onClick(View v) { Intent intent = new Intent(MainActivity.this, MainActivity.class); PendingIntent pi = PendingIntent.getActivity(MainActivity.this, 0, intent, 0); // 3.調用setLatestEventInfo方法在視圖中設置圖標和時間(這個方法在Android 3.0被棄用) n.setLatestEventInfo(MainActivity.this, "Title", "Content", pi); // 4.最後調用NotificationManager的notify方法 發出通知 nm.notify(ID, n); } } public class cancelListener implements OnClickListener { @Override public void onClick(View v) { // 取消通知 nm.cancel(ID); } } }