Android :: OnClick Event Not Firing?

Sep 20, 2010

I have a listview managed by an adapter that is extending BaseAdapter.

In the getview function im using the convertView to set up a OnClickListener. This OnClickListener work well when I am touching the screen but if I use the trackball of the HTC Desire, I see the row flashing on the screen, but the OnClickListener is not called...

I've read the android dev guide :
and its say that I should receive a onClick event from the trackball...

Im putting here my getview code in case someone see anything strange.


Android :: onClick event not firing?


Android :: Clicks To MapView To Firing OnClick

Dec 10, 2009

I am working on my first android app and so my first with the Maps API and am experiencing an odd problem. How ever when I click the screen it seems the onClick event is not being run?Have I missed something or am I better off sub classing the MyLocationOverlay I am using and override DispatchTap?How ever i would rather be able to just click anywhere on the map to dispatch the event.

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Android :: Firing An Event By Code?

Sep 25, 2010

Is any way to build and fire an event (e.g. on click event) in android applications programmatically.

I have an Activity (lets call it A) with multiple views (5 ImageView for example). And a normal Java class (lets call it B) which is used by my Activity. here is an instance of B in my Activity. If user click on a View (Image View) the view OnClickListener calls a method in B In B, if operation is successful, it will call back a method in activity again. in activity method, It will change image or state for clicked ImageView.

I the other hand: click on view (x) in Activity -------> B.doSomething() --------> A.bIsDone() -----> change image for view (x) with normal execution, its working and there is no problem. the problem is that I want to simulate this process to be automatic, my code looks like this:


The issue is that, it won't render anything, until the end of the loop.

I tried to put the loop in another Thread, but its throwing exception: android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.

What can i do for this issue? i was think generate an click event on view (by code), to see it can help or not.

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Android :: TOUCH_MOVE Event Not Firing In Avd Or Device

Sep 30, 2010

In fact, only the touch_down event will fire. Basically, I'm trying to implement a drag feature in my app so I need the touch_move event. I have a method that writes out the touch events to the LogCat in Eclipse but the touch_down is the only event that shows up. not even touch_up shows up. I have this problem when I debug on the device or in the avd.

This isn't really a code question. But has anyone had an issue getting different touch events to fire? If so, how did you resolve them? I'm using the latest Android SDK and Eclipse version. I'm using a simple ImageView.

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Android :: Browser Orientationchange Event Keeps Firing

Oct 28, 2010

Following is simple html, when viewed on android browser(nexus one) results into continuos orientationchange event chain when you change phone's orientation just once.


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Android :: OnTouch Event Sometimes Not Firing ACTION_POINTER_DOWN

Jul 9, 2010

I'm trying to implement pinch-zoom in an app I'm making and am having issues with the onTouch event. It appears that the pointer up & down actions do not fire immediately, like you won't get a pointer up or down until an action move occurs. So what happens if both fingers hit the screen nearly simultaneously is that the 2nd finger (should be pointer(1)) gets a move action before pointer down is called, making the code think it's a DRAG not a pinch zoom.

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Android :: Way To Simulate An OnClick Event

Oct 22, 2010

I want to simulate an onClick event or some of the other keyboard events, etc. is there a general framework to do that?

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Android :: Get OnClick() Event From Marker Int Map?

May 20, 2010

i want to add a marker to a position int the map ,so i add a image through canvas by overwrite overlay .But i want to get the other activity through clicking the image,who can tell me what can i do?

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Android :: Getting X And Y Coordinates In Onclick Event

May 21, 2010

In onclicklistener onclick. how to get the x and y coordinates where its clicked.

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Android :: Onclick Event Works Even On Top Of The Another View

Jun 5, 2009

I am facing some problem Like:

Scenario:Three buttons enabled by on click event.

-I am using sliding drawer... on which no of buttons are there. -When sliding drawer is opened...its overlapping the preveously defined three buttons.

My problem is... when i am clicking on sliding drawer ... the below button is activated and accordingly it goes to next activity...

Means ... i expect if one view is on top of another view... the lower view should not work.

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Android :: Buttons OnClick Event Fails To Fire?

May 18, 2010

I have an activity, where the ListView holds customized linear layout elements for each row. One of the rows has a button defined as:

android:text="Pick a contact"

Then in java, I have this code:...............

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Android :: How To Let Parent Handle Onclick Event For ListView?

Jul 27, 2010

This should be a simple question because I couldn't get the answer from Google . I have ListView in a LinearLayout . I need to handle the click event to allow user click on the LinearLayout to trigger some function. I try to add onClickListener to the LinearLayout , and it works only when I click outside of the ListView . How do I let the click event on ListView propagate automatically to be handled by the Listener of the LinearLayout?

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Android :: OnClick() Event On An Item Of ListView Custom Row Layout

Nov 15, 2010

I have a ListView whose rows are formatted by me. Each row has a mix of ImageView and TextView. I have also implemented my own adapter and am able to draw each row through it.

Now, I would want something like this-

User clicks on an ImageView (not anywhere else on the row, but only this ImageView should respond to clicks)
I get to know the position of the row whose ImageView was clicked.

I have tried many things for this and have wanted my code to be as efficient as possible (in terms of overkill).
Currently i can capture the click event on that particular ImageView only, but I can't know which row was clicked.

I have provided an attribute in the Row XML like this-


And in my code, I have a method like this:


I can get the parent row (perhaps) but am not sure how to go further from here.

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Android :: Haptic Feedback: OnClick() Event Vs HapticFeedbackEnabled In The View

May 13, 2010

If you want a button to provide haptic feedback (ie, the phone vibrates very briefly so you can feel that you really pushed the button), what's the standard way to do that?

It seems you can either explicitly set an onClick() event and call the vibrate() function, giving a number of milliseconds to vibrate, or you can set hapticFeedbackEnabled in the view.

The documentation seems to indicate that the latter only works for long-presses or virtual on-screen keys:

If that's right, then I need to either make my button a virtual on-screen key or manually set the onClick() event.

Also, if I want the vibrating to happen immediately when the user's finger touches the button, as opposed to when their finger "releases" the button, what's the best way to accomplish that?

Related question: [url]

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Android :: Handle Onclick Event Of Button Inside Popup Window

Jun 8, 2010

In my application i have a button initially on the screen and in onclick of the button ,popup window should open. In the popup window i have an imagebutton , now on click of this button i want to start an activity. The popup window opens but i dont understand how to handle the onclick of the imagebtn inside popup window.

In main.xml i have a button and in popup_example.xml i have an imagebutton.

Java code is as follows:


And i have two xml layouts.........


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Android :: Can't Access Private Members Inside An AlertDialog's OnClick Event / Fix It?

Oct 12, 2010

I'm very new on Android development.

I have this code...

But this line doesn't work:

extraData.putInt(Constants.GAME_ID, this.gameId);

I can't get access to this.gameId.

How can I fix this?

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Android : Expandable Lists Having Multiple Child Items In A Single Row - Their OnClick Event

Jul 19, 2010

I could not figure out how to implement two basic functionalities with the expandable lists: 1. The onClick for the child 2. Using linear layout for the children, so that I can have multiple clickable items in same row under the parent item

Can somebody help me with some sample code for the above?

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Android :: Firing TableRow Event In Android?

Nov 10, 2010

I want to invoke or fire the onclick event for Table Row when the user clicked a particular table row in the UI.

<TableLayout xmlns:android=""
android:id="@+id/table_bars" android:layout_width="wrap_content" android:layout_height="fill_parent"android:background="@drawable/corner" android:stretchColumns="1" android:layout_margin="10dp">
<TextView android:id="@+id/barsp_baradd_value"
android:textSize="15sp" android:padding="10dp" android:layout_width="wrap_content" />

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Android : LongClick Event Also Triggers Click Event

Apr 12, 2009

I use onLongClick and onClick events of a button to get user inputs. Whenever; the user long click and triggers onLongClick event, the onClick event is also triggered. I couldn't find my problem. The code of two methods are shown in below: Code...

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Android :: OnTrackballEvent Not Firing?

Nov 15, 2010

I have a list in my app.

When a user touches a list item with their finger, the onListItemClick handler fires and I have it opening a new Activity.

However, when a user uses the trackball/pad to click, I want to perform some different functionality. I've overrode onTrackballEvent and everything works perfectly fine in the emulator's trackball mode.

Unfortunately, when testing on the Samsung Moment, clicking the trackpad fires the onListItemClick handler, not the onTrackballEvent handler.

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Android :: AlarmManager Not Firing Receiver

Feb 27, 2010

Any experts on AlarmManager out there?I've got something weird going on.The basic code to set my repeating alarm works fine. I can close my app and the alarm will continue to run like clockwork every five minutes. It works fine only if I set it in the app and then close the app.I've got a registered BootReceiver for re-registering the repeating alarm. I know it fires on boot b/c the log message clearly shows it is firing and re-setting the repeating alarm in question for the same frequency. But the AlarmManager is not firing.Basically, the nearly identical code for setRepeating() fires when set from the app and continues to run when the app is closed, so I know my AlarmReceiver is functioning, but the AlarmManager is either not broadcasting this alarm or my receiver doesn't work from an alarm set in the boot receiver.

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Android :: OnClickListener Not Firing In GridView - 2.2 Only

Aug 8, 2010

I have a grid view of buttons that is generated by a CursorAdapter. When the CursorAdapter is passed to the Gridview the view renders correctly however the first item in the grid does not fire the OnClickListener event.

If I select another button in the grid, the event fires correctly however if I selected the first button then another button, it loads the first button action then the section button action.

When testing this, it only seems to be an issue in Android 2.2 on my emulator, my 1.5 phone works as expected. I've wiped the emulator but that doesn't seem to have made a difference.


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Android :: ProtoRequestListener Firing WatchDogException ?

Dec 3, 2009

My app has been pretty stable for a while, and today out of the blue something called ProtoRequestListener has started intermittently throwing WatchDogExceptions. there's no path through to my code, so i can't even catch the exception and do something about it. i googled around a bit and it seems to be connected to Maps somehow.

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Android :: Add Proximity Alert Firing Repeatedly

Jun 10, 2010

I am adding a proximity Alert with an expiration of -1 (does not expire). I am testing using an Evo. The proximity Alert fires several times after entering the location and staying inside the location. I was thinking that the proximity alert should fire once when you enter the location and fire once when you exit the location. Should the proximity alert fire multiple times after you enter the location and stay inside of the location?

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Android :: OnClickListener Not Firing From Parent Class

Aug 17, 2010

A Follow up to this question:

I have created a parent class and a child class that inherits from it. When I set the OnClickListener in the child class, the event fires when the button is clicked. When I move the set OnClickListener to the parent class, the event doesn't fire. I've got to be missing something obvious but I just don't see it.


Child Class:


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Android :: Ignore OnItemSelectedListener Firing On Create

Mar 3, 2010

I'm creating a spinner and I've added an OnItemSelectedListener to it. However I've noticed that it fires on create. Now I was wondering if there was a way to ignore/discard it. I know I could use a boolean value, but that's a bit "dirty".

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Android :: Choosing Between Requery Or Firing The Query Again In SQLite

Jun 19, 2010

Have been using a SQLite database, Theres a situation where i have a list which displays all the "name" field data of a table "table1". Now i have a button to insert data in "table1". The list is populated using a simple cursor adapter which is passed a cursor "cursor1" populated with the data. "cursor1" is prepared using the SQLite query - "SELECT * FROM table1". Now the moment i insert data, i need to update the list too.

My question is- will the Adapter sense the database change automatically (i guess not)?
using cursor1.requery() is correct or should i use cursor1 = db.query("table1", null, null, null, null, null, null);

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Android :: How To Keep OnItemSelected From Firing Off On A Newly Instantiated Spinner

Apr 1, 2010

I've thought of some less than elegant ways to solve this, but I know I must be missing something.

My onItemSelected fires off immediately without any interaction with the user, and this is undesired behavior. I wish for the UI to wait until the user selects something before it does anything.

I even tried setting up the listener in the onResume, hoping that would help, but it doesn't. How can I stop this from firing off before the user can touch the control?


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Android :: Make Sure Activity Is Alive Before Firing Intent?

Feb 24, 2010

I am currently firing an Intent to a Broadcast Receiver which in turns starts an Activity.

Then from the same Service another Intent is fired to a Broadcast Receiver thats in the Activity.

The problem is that the Activity isn't getting the Intent meant for it because it is fired before it is alive and the Broadcast Reciever is registered.

I was wondering is there anyway to make sure an Activity is alive before sending an Intent?

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Android :: OnPageFinished Not Firing Correctly When Rendering Web Page

Sep 13, 2010

For some reason the onPageFinished is firing before the WebView has finished loading -

I can't figure out why...


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