Android :: Possible To Implement Both Ontouch And Also Onfling In Same Listview?
Nov 15, 2010
I have a listview and implemented onclick and also onfling.problem is when i do fling(swipe left to right), onclick event of listview is also getting executed.How to overCome this problem? how to differentiate touch(tap) and fling(swipe) in listview? code...
P.S: is it possible? to comment the onclicklistener of listview and writing the same logic in any onTouchEvent? but still i doubt onfling will call ontouch. right?
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Nov 24, 2010
Can anybody give example how to implement gesture detector onfling in webview in android.
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Oct 10, 2010
Let's say I have MyActivity and inside my onCreate method I initialize MyBackgroundView, then MyPlayer1View then MyPlayer2View. I want to be able to touch the screen, figure out if I have touched Player1 or Player2 and then respond with changes to the players if I have touched them.
My problem is, where do I put the onTouchListener? Can only MyBackgroundView listen for touches, or can the players listen for touches too? If MyBackgroundView can only accept touches, do I need to call view.ontouchlistener that says, you have touched me, and I have a player at those coordinates, so I'll pass the motion event to the player and let it handle it? Or do call view.ontouchlistener in each of the players that says, you've touched me, now I will react to the motion event?
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Jun 25, 2010
I want to delete an item from a ListView, to which have attached a GestureListener. I have overridden the method onFling for that GestureListener to return true of false based on my criteria.
But I don't know how to fetch the last selected item in the ListView. Fling does not select an item in ListItem.
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Feb 11, 2010
I'm new to Android, and I really need to do it this way (I've considered doing it in another Activity), but can anyone show me a simple code (just the onCreate method) that can do Listview without ListActivity?
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Dec 16, 2009
Can anyone tell me how to implement a horizontal listView?
Items are scrolled horizontally.
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Jul 2, 2010
In my project whenever I extend activity it works fine but as soon as I extend ListActivity it throws exception and shows file not found. Why is that? We already know that ListActivity itself extends the Activity class. The application must run fine.
Here's the java file:
package com.android.feedGrabber;
import java.net.URL;
import java.net.URLConnection;
import java.util.Collection;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
import com.sun.cnpi.rss.elements.Item;
import com.sun.cnpi.rss.elements.Rss;
import com.sun.cnpi.rss.parser.RssParser;
import com.sun.cnpi.rss.parser.RssParserFactory;
If I change "extends Activity" to "extends ListActivity" it gives the exception. I need to bring this change because I want to implement it on ListView instead of TextView.
Error it throws:
debug mode gets active and it highlights under Suspended(exception RunTimeException): ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent) line: 2663.
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Oct 8, 2010
I have an ExpandableListView that I want to populate with my custom views of type NoteView. NoteView extends LinearLayout and contains two buttons and a checkbox. I have almost everything working, the NoteView's are being populated with backing data, the lists are getting filled, and the buttons are clickable and perform the required tasks.
The problem is the ExpandableListView no longer responds to click/longclick/keypress events at all (other than selecting list items with trackball/DPAD).
I replaced my custom view with a standard TextView and the touch events flowed normally again, so it is almost certainly something I am doing wrong with my custom view or some obscure ListView setting I am overlooking.
Here is my NoteView code and XML Layout. What am I missing?
CODE:.........................
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Jan 20, 2010
I want to implement the fade effect in the listview like in shown in the link. http://developer.android.com/resources/articles/listview-backgrounds.But here it is not explained how to implement that fade effect. Does anybody have any idea on this?
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Nov 23, 2010
I have an Activity that implements a Gesture Detector to catch the user fling input for navigation to other screens. That was working fine - but - I recently updated a class that derives from my BaseActivity to add an onClick function and now that click event seems to block the onFling from being hit. The onClick is tied to a TextView area (in a LinearLayout) I have on my screen. The resultsClick method is wired to the TextView using its onClick property in the XML layout.
I've tried changing the return values in onSingleTapUp and onDown without luck. I've also tried adding log statements to all the functions below as well. None of them fire when I fling in the TextView area but they do on other areas of the screen.
Maybe I am using the wrong search terms, but I couldn't seem to find an example that addressed this - yet I'm sure this problem has been solved before.
CODE:.........................
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Oct 25, 2009
I have a problem with one of my app. I try to make a paint application but nothing is draw on the screen (except the first circle which is draw on the launch).The log Cat seems to be correct and i get the right x/y coordinates.I think i do something wrong on the ondraw.do you see my problem?
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Aug 4, 2010
I'm trying to start activity by sweeping across the screen, it works fine for all the other screens, just this screen that doesn't fire the onTouch at all? Would you mind helping me? I've tried debugging it and still have no idea at all. Below are the codes, sorry for not putting snippets only as I thought I might did something wrong elsewhere
I'm also looking for advice on implementing sweeping to change screen. I've read about ViewFlipper and I know it will work very well, but I've around 8 screens with different backend coding needed.
CODE:.....................
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Oct 2, 2009
I'm trying to make widget gallery at homescreen. I'm currently stuck because didn't find any example how to detect on touch in widget. Could someone help me?
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Dec 2, 2009
I'm trying to develop a touch control, but I'm getting some problems with the onTouch method. Basically, only the event ACTION_DOWN is working. The others seems to be in trouble.My application has a LinearLayout, containing a VideoView.I have a HTC Magic updated to 1.6.
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Mar 27, 2010
I am relatively new to this still, and I have been developing a small app that would benefit greatly from a user being able to press 2 buttons at one time. What is the best method for achieving this? I dont think that an OnClickListener works like that, and I have seen examples for doing this with an OnTouch event. However, I do not know how to set up button presses with an OnTouch event.
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May 26, 2009
I want to intercept the OnTouch event in a PopupWindow, but it failes everytime. Here is the code snip:
CODE:.....................
When the activity started, I can click the button to show the popup window correctly. But after that, nothing happens when I touch the popup window's view. But if I touch any where outside the popup window, the log Log.d("Demo", "layout::onTouch >>> view: " + v + ", event: " + event); will work.
It looks like when I touch the view of the popup window, the touch event has been consumed somewhere?
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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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Oct 26, 2010
I have a situation where I have some textview on a framelayout that I have a onTouch event wired in order to simulate dragging. I alos want to enable the ability to have a context menu display when the user long presses the textview. Now that I have implemented the context menu functionality dragging no longer works since the longpress is always served by the context menu event.Does anyone know of a workaround for this.
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Nov 2, 2010
I'm trying to implement a Select All menu item for a ListView in a ListViewActivity. The relevant parts of my ListViewActivity: public class MyListViewActivity extends ListActivity browsed around stackoverflow.com and the google; the above is something that should work. But it isn't. setSelection(i) appears to be the method I want to call on ListView but it's not working as advertised. What am I doing wrong? Is this even possible on Android in code?
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Jun 26, 2010
I would like to change text and back ground color of my Listview without building custom rows. Is this possible ?
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Jun 24, 2009
There must be a way to do this. How can you tell a ListView that has a header to not scroll it when the user scrolls the contents? I want it to stay in a "stuck" position so that the user can always see what column the content applies to.
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Sep 9, 2010
In my project i m parsing xml and i want to put it in xml list with in list.
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Oct 7, 2010
How to implement tabs in Android. I am having a context. In that I want 3 tabs named Free,TOP,Paid.Clicking on each of the tab should open separate activity.
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Feb 18, 2010
I'd like to implement drill down view in Android. Currently, onListItemClick, I refill the same list view with different data. any other suggestions? Something like the way it is done using UITableView on iPhone? is it possible to animate (push left or right) the listview fill operation?
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May 30, 2010
I have a widget that periodically updates itself (hourly) to display top result of search query. I would like to extend it so it captures several top results and then loops through these. The best example would be Genie News and Weather widget for which I was unable to find a source code. What would be a good way to implement the animation? I'm thinking ViewAnimator + timer, but is there maybe a better way, say FrameLayout + alerts? I'm already using AlertManager to periodically pull search results for the widget How bad such arraignment would affect phone's battery life?
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Jul 13, 2009
Is there any available guide to implement TLS for Android applications?
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Oct 16, 2009
I am porting GPS to Android now. I have been look for many web site relate to Android GPS porting include this group. However, I also feel confused about that. I have some questions. Can anyone give me some suggestions and I will appreciate about that. 1.There are 3 files : Android.mk, gps.cpp and gps_qemu.c in hardware/ libhardware_legacy/gps. What is the functionality about the 3 files in directory gps. Should I modify the 3 files to implement GPS. In this web site http://www.netmite.com/android/mydroid/cupcake/development/pdk/docs/g..., it shows that anyone that want to integate GPS with Android should create a shared library named libgps.so refer to gps.h. My question is how to create a shared library libgps.so.If the libgps.so is created, where can I find it. What is the relation between libgps.so and libhardware_legacy.so. 3.How to test GPS if gps is implemented successfully. I know there is a gpstest tool in Android but I don't know how to use it. Can someone tell me the detail about gpstest tool provided by Android.
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Mar 15, 2010
Say I want to define that an URI such as: myapp://path/to/what/i/want?d=This%20is%20a%20test must be handled by my own application, or service. Notice that the schema is "myapp" and not "http", or "ftp". That is precisely what I intend: to define my own URI schema globally for the Android OS. Is this possible? This is somewhat analogous to what some programs already do on, e.g., Windows systems, such as Skype (skype://) or any torrent downloader program (torrent://).
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Feb 7, 2010
Im having problems with implementing the double tap. Well i implemented the ongestureListener and i had the gesturedetector, but im not sure wheres the problem here is my code...
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Nov 22, 2010
Let's say I randomly generate a number 0 to 100. Where 0 is really cold and 100 is red hot. Wen the number hits, it would show an image bar (kind of like a % finished bar) that shows in the image what # you hit.
So it would kind of be like a progress bar from 0 to 100, and whatever # they hit it shows in the image of the bar in an imageview?
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