Android :: Detect A Double Touch / Taps On Droid ListView?
Dec 26, 2009Do you know about how to detect two touches/taps on a ListView?
I am trying to have the following method called when double touched code...
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Android :: Detect When User Taps On View?
Jan 10, 2010I want to detect when a user taps anywhere in a view in my Android application. My code looks like this:
linearLayout = (LinearLayout) findViewById(R.id.linearLayout); // main layout
// ...
linearLayout.setOnTouchListener(this);
// ...
public boolean onTouch(View v, MotionEvent event) {
Toast.makeText(this, "Touch!", 1000);
if (event.getAction() == MotionEvent.ACTION_DOWN) {
Toast.makeText(this, "Down!", 1000);
return true;
}
return false;
}
but when I click on the view, I don't get Toast! Do touch events work in the emulator -- or have I got something wrong in my code?
Android :: Detect Touch Input On Droid
Jun 29, 2010Right now all I am trying to do is detect when the screen is pressed and then display a log message to confirm it happened. My code so far is modified off of the CameraPreview sample code (it will eventually take a picture) so the bulk of the code is in a class that extends SurfaceView. API for the example code from the SDK is 7.
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Jul 19, 2010New to android so please bare with me here
Is it possible to detect all touch events in an Activity and capture it and then in return pass that pass event to another View. For example:
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Oct 15, 2010I have designed a 3D model in .obj format and imported using min3d framework. Its a cube with different colors. I want to give a Toast with a message for a particular color when the side of that particular color is touched. How do I do this in android 1.6 ?
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Jun 16, 2012My phone seems to register double touch input while i am only using one finger. It only happens only when i pass the my finger over the middle of the screen, ie. a horizontal line in the middle of the screen. This is affecting scrolling and tapping on anything in the middle of the screen.
I just want to know if this a software (calibration) issue or a problem with the screen itself.
See attached a screenshot of multi-touch test using 'Display Tester'.
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Android :: Want To Catch Taps But Not Scrolling In Javascript In Droid
Nov 9, 2010I'm making an Javascript web app and I can't for the life of me get the touchstart event to fire. I get the touchmove and touchend events no problem. This is a problem because as I see it the best way to distinguish between a tap and a scrolling motion is to zero a counter on the touchstart event, update it at touchmove and then compare it at touchend. I'm doing this so I can do some action at the end of tap but not a scroll. For instance, it would be very confusing if a page opened for an item in a listed after you finished scrolling down that list, but it would be nice to be able to tap on an item to open its page.
This is what I have..
I never see the touchstart alert. If I scroll the touchend will fire and app__touchMoving will have some sort of decent value. On a side note, I've noticed that sometimes the touchend will seem to fire multiple times.
Am I missing something basic here? Plenty of people say that this should work just fine on Android (and iPhone) yet the first listener never seems to fire.
Update: I should mention that I've been testing on a Samsung Galaxy S running Android 2.1.
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Feb 18, 2010I have an array list of a view in my application. The view has both single click and long click listeners. To detect a particular view that is selected I'm using isPressed() for single click listener. Now how can I detect that a particular view is longclicked from the array list of view?
View 3 Replies View RelatedAndroid : Detect Scroll Position Inside A ListView?
Oct 10, 2009I'm building a chat room application where new events are being polled for every X seconds. Every time that happens, this code updates the RoomAdapter (a custom subclass of ArrayAdapter) with the new data and scrolls it to the bottom:
RoomAdapter adapter = (RoomAdapter) getListAdapter();
for (int i=0; i<newEvents.size(); i++)
adapter.add(newEvents.get(i));
getListView().setSelection(events.size()-1);
This is fine, except that if the user is scrolling up to glance at the room's history, it's going to jump her down to the bottom when the poll happens. What I'd like to do is have it so that if the user is already at the bottom of the list, it stays there after a poll for new events. If the user's intentionally scrolled upwards, I'd like the user not to be disturbed.
How do I detect when I'm already scrolled to the bottom of a ListView?
Note: I can't do getListView().getSelectedItemPosition(), because as the docs note, calling setSelection when in touch mode does not actually select the item, just scrolls to it.
Android :: Disable Context Menu On Long Taps On Droid Via HTML _ CSS _ Javascript?
Aug 5, 2010I would like to disable the context menu that appears after a long tap (touch and hold) on images in my web application. I've seen posts with different ideas how to do it, but none of them seem to work for me.
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Android :: Android Measure / Detect Covered Area By A Finger Touch On Screen
Aug 6, 2010I would like to get access to the area covered by a finger for each touch event on an Android.Every touch event will result in a coordinate pair X and Y independent of how big the finger and consequently the touch area is that triggered the event. I was wondering if there is a way to get the area data which triggered the touch event e.g. size or coordinates NOT
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Oct 13, 2010I'm new to android programming and I would like some help. I have the following code:
Object[] list_cities = parsedData.getCityname().toArray();
Object[] list_countries = parsedData.getCountryname().toArray();
// Display the available locations
list_search.setAdapter(new ArrayAdapter<Object>(this, android.R.layout.simple_list_item_2, android.R.id.text1, list_cities));
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I would like to display double rows for each entry in the list (city and country) but I have no luck. With the above code I only see the countries but not the cities. Is there any way to add both the adapters to the list_search so I can see all the data?
Android :: ListView Scroll In Touch Mode?
Feb 18, 2009i'm rearranging items in the list by dragging the item. I'm in the touch mode and want to scroll view couple of items then i'm on the last/first visiblePosition. Since i'm in the touch mode setSelection is useless. How i can scroll a list in the touch mode. For drag i'm using onTouchEvent , onLayout to change background for the current item + some stuff in adapter to make a swap.
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Feb 11, 2009l have a listview,the item in listview is tablelayout.when listitem can focus when i use the trackball,but when i touch the listitem,it lose focus,why? my adapter is extended ArrayAdapter like this
CODE:...................
Android : How To Disable Touch Event On ListView
Oct 29, 2009I have a ListView with a setOnItemClickListener. I am trying to prevent the user from pressing an item repeatedly but can't seem to get it to work. I have tried the following. Code...
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Nov 10, 2009Here is my problem : I have a view containing a listView. And each row of this listview is composed of a linearLayout, itself composed of three textview and a gridView. Here is a summary of my layout for one row:
......
I want to perform an action when the user click anywere on an item of the listview. So I try these two approaches on the listview : - myActivity.getListView().setOnTouchListener(new View.OnTouchListener () {...}) - myActivity.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() { ...}) And here is the trouble : - when I click on the textview, it nearly works : the touch listener is called, but not the clicklistener - when I click on the gridView it doesn't work....the event is just dispatched to the element of the gridView.............
Android :: How To Detect Android ListView Scrolling Stopped
Nov 20, 2009I'm trying to do something after scrolling stopped.So, I tried using OnScrollListener#onScrollStateChanged(SCROLL_STATE_IDLE) to detect when the scrolling stopped(either TOUCH_SCROLL or FLING)(at 1.5 it's runs as i expect).
But when it runs on 2.0, onScrollStateChanged can't received the event after releasing the finger.Is there any callback or anyway to detect that event?
Android :: How To Make Listview With Selectable Children Stop Scrolling On Touch Event
Oct 20, 2009As a work around to the issue where a list item isn't focusable if it has a focusable child item (a comment by Romain Guy was that this was intended behavior, for accessibility reasons) I simply filled the listItem with two children, each of which is focusable - There's nowhere to directly touch on the listItem anymore, just it's children.
For the most part this is a useable workaround, effectively invisible to the user, except for one thing- Although you can scroll by swiping without issue, touching to *stop* the scroll no longer works- I imagine because the child item is capturing the touch event and not passing it to the parent listitem, at least while the scroll is in effect.
Is there a known workaround for this? Perhaps someway to "pass the baton" of the touch event back up to the parent listItem, or a way to change my design?
BTW- I know there's some built-in functonality for single/multiple choice listviews (checkbox listviews) - That doesn't actually help in my case. The app is a contact list, and the row children are a relativelayout (populated with contact info) and a clickable phone icon (a one-touch dial for the contact), which needs to be visible or invisible depending on whether the stored contact has a phone number.
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This is a trivial exercise in the Google Maps JavaScript API and in MapKit on iPhone, but it is not obvious to me what the best or easiest way to do this is on Android.
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