NotificationCompat.Builder mBuilder =new NotificationCompat.Builder(this).setSmallIcon(R.drawable.notification_icon).setContentTitle("My notification").setContentText("Hello World!");
// Creates an explicit intent for an Activity in your app
Intent resultIntent = new Intent(this, ResultActivity.class);// stack builder 对象包含了一个为用户启动的Activity创建的back stack
// 这确保了用户在点击Back的时候会从这个Activity直接回到Home页面
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
// 为resultIntent创建back stack（但是没有在栈中添加resultIntent本身）
stackBuilder.addParentStack(ResultActivity.class);
// 添加resultIntent到栈顶
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent =stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(resultPendingIntent);
NotificationManager mNotificationManager =(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

// 通过下面的mId参数，可以在后续操作中用来更新和移除notification

mNotificationManager.notify(mId, mBuilder.build());

NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this).setSmallIcon(R.drawable.notification_icon).setContentTitle("Event tracker").setContentText("Events received")
NotificationCompat.InboxStyle inboxStyle =new NotificationCompat.InboxStyle();
String[] events = new String[6];
// Sets a title for the Inbox style big view
inboxStyle.setBigContentTitle("Event tracker details:");
...
// Moves events into the big view
for (int i=0; i < events.length; i++) {inboxStyle.addLine(events[i]);
}
// Moves the big view style object into the notification object.
mBuilder.setStyle(inBoxStyle);
…

// Issue the notification here.

mNotificationManager =(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
// 设置notification的ID，更新的时候可用。
int notifyID = 1;
mNotifyBuilder = new NotificationCompat.Builder(this).setContentTitle("New Message").setContentText("You've received new messages.").setSmallIcon(R.drawable.ic_notify_status)
numMessages = 0;
//开启一个循环处理数据并通知用户
...mNotifyBuilder.setContentText(currentText).setNumber(++numMessages);// 因为 ID 没有变化, 之前的notification被更新mNotificationManager.notify(notifyID,mNotifyBuilder.build());
...

<activityandroid:name=".MainActivity"android:label="@string/app_name" ><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter>
</activity>
<activityandroid:name=".ResultActivity"android:parentActivityName=".MainActivity"><meta-dataandroid:name="android.support.PARENT_ACTIVITY"android:value=".MainActivity"/>
</activity>

...
Intent resultIntent = new Intent(this, ResultActivity.class);
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
// 添加Back栈
stackBuilder.addParentStack(ResultActivity.class);
// 将notification启动Activity的Intent添加到栈顶
stackBuilder.addNextIntent(resultIntent);
// 获得包含整个back stack的PendingIntent
PendingIntent resultPendingIntent =stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
...
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
builder.setContentIntent(resultPendingIntent);
NotificationManager mNotificationManager =(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mNotificationManager.notify(id, builder.build());

<activityandroid:name=".ResultActivity"
...android:launchMode="singleTask"android:taskAffinity=""android:excludeFromRecents="true">
</activity>
...

// 初始化Builder对象.
NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
// 创建启动Activity的Intent
Intent notifyIntent =new Intent(this, ResultActivity.class);
// 设置使用一个新的空的task来启动Activity
notifyIntent.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK);
// Creates the PendingIntent
PendingIntent notifyIntent =PendingIntent.getActivity(this,0,notifyIntentPendingIntent.FLAG_UPDATE_CURRENT
);// Puts the PendingIntent into the notification builder
builder.setContentIntent(notifyIntent);
// Notifications are issued by sending them to the
// NotificationManager system service.
NotificationManager mNotificationManager =(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
// Builds an anonymous Notification object from the builder, and
// passes it to the NotificationManager
mNotificationManager.notify(id, builder.build());

...
mNotifyManager =(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mBuilder = new NotificationCompat.Builder(this);
mBuilder.setContentTitle("Picture Download").setContentText("Download in progress").setSmallIcon(R.drawable.ic_notification);
// Start a lengthy operation in a background thread
new Thread(new Runnable() {@Overridepublic void run() {int incr;// Do the "lengthy" operation 20 timesfor (incr = 0; incr <= 100; incr+=5) {// Sets the progress indicator to a max value, the// current completion percentage, and "determinate"// statemBuilder.setProgress(100, incr, false);// Displays the progress bar for the first time.mNotifyManager.notify(0, mBuilder.build());// Sleeps the thread, simulating an operation// that takes timetry {// Sleep for 5 secondsThread.sleep(5*1000);} catch (InterruptedException e) {Log.d(TAG, "sleep failure");}}// When the loop is finished, updates the notificationmBuilder.setContentText("Download complete")// Removes the progress bar.setProgress(0,0,false);mNotifyManager.notify(ID, mBuilder.build());}}

// Starts the thread by calling the run() method in its Runnable

).start();

// Sets the progress indicator to a max value, the current completion
// percentage, and "determinate" state
mBuilder.setProgress(100, incr, false);

// Issues the notification
mNotifyManager.notify(0, mBuilder.build());

 // Sets an activity indicator for an operation of indeterminate length
mBuilder.setProgress(0, 0, true);

// Issues the notification
mNotifyManager.notify(0, mBuilder.build());