在Android中使用AlarmManager和BroadcastReceiver

Question

I have been gone through [Using AlarmManager and BroadcastReceiver in Android][1]

I copied the same code in Android project.It is running without error. but no notifications are showing.

Any suggestions?

I searched on internet and found following method

    private void showNotification(Context context, String text) {

    NotificationCompat.Builder mBuilder =
            new NotificationCompat.Builder(context)
                    .setSmallIcon(R.drawable.ic_launcher)
                    .setContentTitle(getString(R.string.app_name))
                    .setContentText(text)
                    .setAutoCancel(true);

    NotificationManager mNotificationManager =
            (NotificationManager)  context.getSystemService(Context.NOTIFICATION_SERVICE);

    mNotificationManager.notify(1, mBuilder.build());

    }

I called it as foloows:

private PendingIntent pendingIntent;
    Button notifyButton;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        notifyButton = (Button)findViewById(R.id.button1);

        notifyButton.setOnClickListener(new OnClickListener() {
            @Override
      public void onClick(View v) {
      // TODO Auto-generated method stub
      showNotification(MainActivity.this,"Hi Parth Here");
        }
    });
}

But it is showing error that

java.lang.IllegalArgumentException: contentIntent required: pkg=com.example.alertmanagerexample id=1 notification=Notification(vibrate=null,sound=null,defaults=0x0,flags=0x10)

Answer 1

You must supply an pending intent using the setContentIntent(PendingIntent)

Please see NotificationCompat.Builder

Answer 2

just add this before mNotificationManager.notify(1, mBuilder.build());

PendingIntent intent = PendingIntent.getActivity(context, 0,
        notificationIntent, 0);
mBuilder.addAction(icon, title, intent);

Answer 3

Try this code....

  String title=extras.getString("title");
    String note=extras.getString("note");
    Notification notification=new Notification(android.R.drawable.ic_launcher, "this is    important", System.currentTimeMillis());
   notification.flags |= Notification.FLAG_AUTO_CANCEL;
Intent intent=new Intent(context,urnextactivity.class)
    PendingIntent  pending=PendingIntent.getActivity(context, 0, intent, 0);
notification.setLatestEventInfo(context, note, title, pending);
nm.notify(1, notification);