package linuxidc.notification;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.support.v4.app.NotificationCompat;

public class MainActivity extends Activity {

?private final int NOTIFICATION_ID = 105;

?@Override
?protected void onCreate(Bundle savedInstanceState) {
? super.onCreate(savedInstanceState);
? setContentView(R.layout.activity_main);

? Button send = (Button) findViewById(R.id.send);
? send.setOnClickListener(new View.OnClickListener() {

? ?@Override
? ?public void onClick(View v) {
? ? sendNotification();
? ?}
? });

? Button clear = (Button) findViewById(R.id.clear);
? clear.setOnClickListener(new View.OnClickListener() {

? ?@Override
? ?public void onClick(View v) {
? ? clearNotification();
? ?}
? });
?}

?private void sendNotification() {

? NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

? NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
? ? this);
? mBuilder.setSmallIcon(R.drawable.ic_launcher);
? mBuilder.setContentTitle("通知的标题");
? mBuilder.setContentText("通知的内容");

? Notification notification = mBuilder.build();

? // 缺省设置为当发送通知到通知栏时候：提示声音 + 手机震动
? notification.defaults = Notification.DEFAULT_SOUND
? ? | Notification.DEFAULT_VIBRATE ;

? // 通知的时间
? notification.when = System.currentTimeMillis();

? // 发送到手机的通知栏
? notificationManager.notify(NOTIFICATION_ID, notification);
?}

?private void clearNotification() {
? NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
? notificationManager.cancel(NOTIFICATION_ID);
?}
}

需要的activity_main.xml

? ? android:layout_width="match_parent"
? ? android:layout_height="match_parent"
? ? android:orientation="vertical" >

? ? ? ? ? ? android:id="@+id/send"
? ? ? ? android:layout_width="wrap_content"
? ? ? ? android:layout_height="wrap_content"
? ? ? ? android:text="发送通知" />
? ?
? ? ? ? ? ? android:id="@+id/clear"
? ? ? ? android:layout_width="wrap_content"
? ? ? ? android:layout_height="wrap_content"
? ? ? ? android:text="清除通知" />