Nexus One Starting to Show Up in Third Party Retail Outlets

by Defriando Riza » Wed, 26 May 2010 23:10:32 GMT

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Other Threads

1. How do I update my activity on receiving intent in BroadcastReceiver

HI ,

I'm trying the understand how an application can receive intent in
BroadcastReceiver & how it can inform the Activity abt the information
received in the intent.

For this purpose I have created an activity which has a TextView. In
OnCreate of the Activity I'm using AlarmManager to start sending
intents every 10 sec to broadcast receiver of my application. On
receiving this intent I would like to update the text view with the
current time.

NotificationManager instead of trying to directly updating the UI.

Can some one pls let me know how I can achieve this.

Code snippets:
public class myFaves extends Activity
public void onCreate(Bundle savedInstanceState)
        mCurrentTime = (TextView) findViewById(;

protected void onPause()

private void startUpdatingCurrentTime()
    Intent intent = new Intent(MyTimer.this, MyTimerReceiver.class);
    PendingIntent sender = PendingIntent.getBroadcast(MyTimer.this, 0,
intent, 0);

     // We want the alarm to go off every second from now.
     long firstTime = SystemClock.elapsedRealtime();
     firstTime += 10000;

     // Schedule the alarm!
     AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
     am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, firstTime,
10000, sender);

     Calendar calendar = Calendar.getInstance();
     mCurrentTime.setText( calendar.getTime().toString());

public void cancelUpdatingCurrentTime()
    Intent intent = new Intent(MyTimer.this, MyTimerReceiver.class);
    PendingIntent sender = PendingIntent.getBroadcast(MyTimer.this, 0,
intent, 0);

    // And cancel the alarm.
    AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);

public class MyTimerReceiver extends BroadcastReceiver
        protected static final String LOG_TAG = "MyTimer";

        public void onReceive(Context context, Intent intent)
                Log.d(LOG_TAG, "onReceive");
                                // How do I update the TextView with
current time in my activity?


2. How to add Diff Views in Expandable List?

I need to add a table layout with an expandable list as a child in one of
the children of an expandable list.That is in the apis already provided we
have a single level expandable list.I want to add table as the child.And in
turn in the table i have an expandable list.How do i acheive this?

I tried the code below:

    public View getChildView(int groupPosition, int childPosition,
            boolean isLastChild, View convertView, ViewGroup parent) {

        if (groupPosition == 1 && childPosition == 0) {
                TableLayout tableLayout = new TableLayout(context);
                TableLayout.LayoutParams lp = new TableLayout.LayoutParams(
                        ViewGroup.LayoutParams.FILL_PARENT, 500);
                lp.setMargins(40, 0, 0, 0);
                TableRow tableRow = new TableRow(context);
                ExpandableListView expandableListView = new
                ExpandableListAdapter mySubListAdapter = new

                expandableListView.setAdapter(mySubListAdapter );
                return tableLayout;
         }else {
            Log.i(getClass().getName(), "In getChildView ");
            TextView textView = getGenericView();
            return textView;

Also how do I enable logging in these Overriden methods.I dont see the
logs.I able to see the logs in the other methods.

Thanks for your time.


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