java - Android Froyo 中未显示通知

Question

我正在尝试运行以下命令，该命令是从互联网教程中摘录的:

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    // Prepare intent which is triggered if the
    // notification is selected

    Intent homeIntent = new Intent(Intent.ACTION_MAIN);
    homeIntent.addCategory(Intent.CATEGORY_HOME);
    //Intent intent = new Intent(this, ReceiveAndGoHome.class);
    PendingIntent pIntent = PendingIntent.getActivity(this, 0, homeIntent, 0);


    // Build notification
    // Actions are just fake
    Notification noti = new NotificationCompat.Builder(this)
    .setContentTitle("Fraz Go Home!!!")
            .setContentTitle("Fraz Go Home!!!")
            .setContentText("Fraz Go Home!!!")
            .setContentIntent(pIntent)
            .addAction(R.drawable.ic_launcher, "Call", pIntent)
            .addAction(R.drawable.ic_launcher, "More", pIntent)
            .addAction(R.drawable.ic_launcher, "And more", pIntent).build();


    NotificationManager notificationManager = 
      (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

    // Hide the notification after its selected
    noti.flags |= Notification.FLAG_AUTO_CANCEL;


    notificationManager.notify(25, noti); 

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

}
}

当我在 froyo AVD 中运行上述内容时，我根本没有看到通知出现 - 我是否遗漏了一些明显的东西？

Answer 1

您忘记设置小图标了。添加此:

.setSmallIcon (R.drawable.ic_launcher)

NotificationCompat.Builder 方法链中的某个位置。

当然，启动器绘图是我在那里使用的，因为它是手头的，您将需要为正确的 UI 制作实际的通知图标。这只是为了演示您需要的方法调用。

Android documentation概述了通知显示所需的内容:

Required notification contents

A Notification object must containthe following:

• A small icon, set by setSmallIcon()

• A title, set by setContentTitle()

• Detail text, set by setContentText()