如何在单击通知时启动活动？

Question

I have a strange problem in my app in android. I have done a notification and I want to launch a new activity when notification is clicked. The problems is that when I click on notification nothing happens, and I have no idea where is the problem? Can anyone help me?Here is my code :

notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
CharSequence NotificationTicket = "Notification";
CharSequence NotificationTitle = "Notification";
CharSequence NotificationContent = "Test";
long when = System.currentTimeMillis();

Notification notification = new Notification(R.drawable.icon,
NotificationTicket, when);

Context context = getApplicationContext();

Intent notificationIntent = new Intent(this, ShopsOnMap.class);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);

notification.setLatestEventInfo(context, NotificationTitle, NotificationContent, contentIntent); 
notificationManager.notify(NOTIFICATION_ID, notification);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP| Intent.FLAG_ACTIVITY_SINGLE_TOP); 

Answer 1

I had the same problem and then realized that I hadn't declared my new activity in the Manifest.

<activity
        android:name=".YourActivityHere">
        </activity>

Answer 2

you need set action and category for Intent.

if this activity isn't the entry point of the application:

Intent notificationIntent = new Intent(context, ShopsOnMap.class);
notificationIntent.setAction(Intent.ACTION_MAIN);
notificationIntent.addCategory(Intent.CATEGORY_LAUNCHER);
notificationIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

PendingIntent myIntent = PendingIntent.getActivity(context, 0,notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);

and if is the entry point of your application, you have it by xml, like it:

<activity
        android:name=".ShopsOnMap"
        android:theme="@android:style/Theme.NoTitleBar"
        android:windowSoftInputMode="adjustResize"
          android:configChanges="orientation"
        android:screenOrientation="portrait"
         >
        <intent-filter>
            <category android:name="android.intent.category.LAUNCHER" />

            <action android:name="android.intent.action.MAIN" />
        </intent-filter>
</activity>

so, so, only need add it:

Intent notificationIntent = new Intent(context, ShopsOnMap.class);
notificationIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

PendingIntent myIntent = PendingIntent.getActivity(context, 0,notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);

it works for me.

Answer 3

Now i know this question is VERY old, but for me a solution was to change the requestCode. Apparently it doesn't work sometimes when the requestCode is 0. It worked for me on one phone but didn't work on the other.

Answer 4

As in the comments: I can't see anything wrong with your code, and suspect your shopsonmap to just not show anything. Below code that I use and that works.

private void setNotifiy(){
    String ns = Context.NOTIFICATION_SERVICE;
    NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);

    int icon = R.drawable.notification_icon;//  R.drawable.notification_icon;
    CharSequence tickerText = "Tickertext goes here :) !";
    long when = System.currentTimeMillis();
    Context context = getApplicationContext();
    CharSequence contentTitle = "ThisIsYourTitle";
    CharSequence contentText = "some content goes here";

    Notification notification = new Notification(icon, tickerText, when);
    Intent notificationIntent = new Intent(this, MyClass.class);
    PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);    
    notification.flags = Notification.FLAG_AUTO_CANCEL;
    notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
    mNotificationManager.notify(NOT_ID, notification);
}