Android :: Swing Timer Class Not Available
Jan 5, 2010
I need to create a Timer to update the UI at regular intervals. But the Swing Timer class is not available on Android. (I would avoid creating threads and then use the Timer class from java.util package)
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Nov 19, 2010
First of all I'd like to mention I am very new to Java programming. This Android project is my first experience with Java. So for one task I need to strip HTML tags from a string. I was thinking about using this answer Removing HTML from a Java String to do this task. In order to do this I need to be able to import javax.swing.text.html.* and javax.swing.text.html.parser.*.
I went to the properties of my project and attempted to add this library to my project. I read that this was included in the rt.jar file which was located at /usr/lib/jvm/java-6-openjdk/jre/lib/rt.jar. I was able to use the imports but it seems like it added a million libraries I am not using. Will this negatively effect my application? What is the correct way to add just the one extension?
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Nov 8, 2012
I currently have an application using the libraries swing, swing.table, and awt on a java applet that I have running. I want to know what are the steps to get the application running as a native android app. I heard that I could use programs like Phonegap to just release a web based app for multiple platforms, but I am new to Android Programming (so far I just made a Hello Android app). I searched swing and awt, but I could not find any useful info.
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Oct 13, 2010
I have developed a 2D game in Java Swing for a desktop application. My characters are simply JLables that move around over a static background image. I do the animations for the characters walk sequences by changing their image every certain number of game logic loop iterations. Being new to android, what would be the best way to port my game over to android since Swing is not supported? Is there something like a JLabel that can be used for characters? A whole different approach?
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Oct 17, 2010
I want to use a control similar to Swing JSpinner in an Android application. I know that Android has a widget called Spinner, but it's more like a combo box than a JSpinner. I've noticed that DatePicker and TimePicker widgets are using components that are just like JSpinner. The only problem is that I don't really want Date or Time. I just want to get some integer, say from 1 to 50, that user chooses. I've searched Android API reference in and out, but I couldn't find any clue on how to do this.
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Jun 21, 2010
I want to display a tree like data structure, for the Swing JTree is ideal. Is there any widget that provides that? Or any implementation of Swing for Android?
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Dec 5, 2009
I am having a little trouble using some external source files. I am new to eclipse and the methods used to import external source files. Basically this is what I have done. Downloaded the source files for a java project called "TrueLicense" via CVS. Imported this library by going to "Projects" and adding the "TrueLicense" project (I am not sure if I should do this in "Source", "projects" or "Libraries"?) Imported the required classes into my android project without any compile errors.
When I run the program I get:
12-05 15:52:28.632: WARN/dalvikvm(724): VFY: unable to find class referenced in signature (Ljavax/swing/filechooser/FileFilter;)
Then a whole lot of other errors. This seems sensible as there is a sections of the TrueLicense package that used Swing. How do I only import the parts of TrueLicense that I need?
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Jul 7, 2010
I'm creating a new class, using eclipse "New Java Class" dialog box. I can write the superclass I want (I can't find using "browse" button), but I can't write or select an interface to implement. I click "add" but ther is nothing to select. What I'm doing wrong?
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Jul 14, 2010
I'm just getting into Android development, and I have a question about communicating between a receiver class and an activity class. I'm very new to JAVA and Android so I hope I don't sound too stupid. I'm developing an application where I intercept an SMS message and then based on various elements of that SMS I might delete it once it's been saved to the inbox. I have a receiver class that intercepts the txt message, and I am also able to delete messages from my inbox with code in the activity class using a button at the moment. The problem I have is communicating between the receiver class and the activity class where the code to delete a message resides. I tried putting that code directly into the receiver class but as I'm sure most of you already know the BroadcastReceiver class doesn't seem to support what I need to delete messages. I've been searching for an answer to this for a while, but haven't been able to find anything. Honestly I'm not sure I know enough about JAVA and Android to even recognize a solution if I saw it.
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Jun 27, 2010
What I want to do, is be able to access the object neoApi inside the Neoseeker class, from its inner class RunningTimer. Now, in my code, you can see what I would think to work, but when I run my application, nothing pops up. Nothing inside my TextView, no Toast, nothing at all. How can I remedy this?
package com.neoseeker.android.app;
import java.util.Timer;
import java.util.TimerTask;
import org.json.JSONObject;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;.......................
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Sep 8, 2010
I'm new to Java and android development. In my application I need data which is accessible for a few activities. I've read that a good solution is to use Application class for this. So I use it like this:
public class MyApplication extends Application {
private String str;
public String getStr(){
return str;
}
public void setStr(String s){
str = s;
}
}
and I can access this variable from activity like this:........................................
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Oct 8, 2010
I have just started android. I just want to know that how can i call activity class from other java class. i just want to pass class object to activity class.
public class GsonParser extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MagazineThread thread=new MagazineThread();
thread.start();
}
public GsonParser(JsonMagazineParser Obj)
{
}
}
and i am just doing like from other class. GsonParser obj=new GsonParser(this);passing obj to activity class.how can i achieve that.
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Apr 23, 2010
In my app in one package there are some classes. from those classes i want to run one class that is the Gps functionality class. i want to run that class in background. how i do it, i don't know. i am not able to make it solve from any document. if anybody knows the way to solve it please me by run a "hello world" app in the background. i am not able to solve this problem by going through document.
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Jul 20, 2010
I'm building a small Android application, but this is more of a Java question than an android question. Looking through the tutorials there are lines that look like: startService(new Intent(this, MyService.class));
What exactly does the "MyService.class" field represent? Is that just a reference to the class for a template?
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May 19, 2009
I made a Dialog Class with it's view classI want to pop up the dialog when I got some packets from network. so I made a Thread which parses packets and then I made if clause in Run() method There is no problem with parsing packet but when I enter "if clause" and call showDialog() I got Error message
Is there anyone who knows how to pop up a dialog from different thread?
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Nov 1, 2010
I created a method called insertTable in a class called Table but i can't use it in my onClick method in the main class :
CODE:.......
I want to do a income.insertTable in the onClick method but eclipse say that i need to create a local variable.
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Oct 15, 2010
if there are five text in a text view and we want to pass one of them on click event to the next class text view which method i m used on android
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Aug 31, 2010
I am creating an App in which i need to add a timer for postpone the one event for 1 hr and start same event after 1 hr , so i want to know how i can implement the same. Are there any Timer api's and handling of them in android.
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Aug 15, 2009
I came to know about Timer in android. I read http://android-developers.blogspot.com/2007/11/stitch-in-time.html that Timer is not available at Runtime.
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Jul 22, 2010
I have a service that I need to execute every two minutes. Would it be more efficient to use an alarm or a timer?
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Dec 9, 2009
What is the proper way to set a timer in android in order to kick off a task (a function that I create which does not change the UI)? Or there is a better way in android (android's handler)?
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Dec 3, 2009
How to get whether timer is running or not? That means How to get whether timer is scheduled or not?.
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Nov 3, 2010
I'm looking for the best way to setup a timer for a game. For example I want the timer to tick down, but I want to be able to add to the timer when certain levels are reached etc. I'm just looking for the most efficient way to accomplish this. it only needs to be every second or so. If anyone has any insight on this.
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Feb 22, 2010
I am new to Android development and have been working on a simple demo app that needs to update a TextView a few times from an array after a button is clicked. I have read and adapted the code found here to achieve this: http://developer.android.com /resources /articles /timed-ui-updates.html
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Sep 27, 2010
I would like to know how to intercept the event that the apk has been updated in order to launch again my Timer. Indeed, I have a Timer wich is "scheduled AtFixedRate", but when my App is updated through the market, the timer is killed ; and if the user doesn't launch the App, the timer is not started (so my app becomes useless). How could I do to avoid it ? Is there an event to catch the "App updated" ? I searched, tried, but nothing.
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Sep 27, 2010
I have to give a 20x20 presentation tomorrow and I'm looking for a timer app to help out. 20x20 means that each slide auto-advances after 20 seconds. I'd like to have a timer on my phone that would give me a quick glance of how much time I have left for each slide. Start it at 20 seconds, have it count down and when it hits zero, start over at 20. Seeing as it's just a timer app, I really would rather not pay $2 for StopWatch & Timer, which is the only one I've found that offers a looping timer. Does anyone have any ideas?
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Jan 7, 2010
In order to get XML data from a server repeatedly, I'm attempting to use AsyncTask and Timer as per Mark Murphy's suggestion. I get the following error:01-07 16:11:26.705: ERROR/AndroidRuntime(729): Caused by: java.lang.Runtime Exception: Can't create handler inside thread that has not called Looper.prepare()I'm using SDK 1.5 with Eclipse on Windows.I've looked in documentation, on StackOverflow and in the Android Developers group, but I'm not clear what's causing the error or how to fix it.I can get the data once - i.e. without Async and Timer - and parse it via SAX without problems.s: I'm quite new to Android.
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Apr 22, 2010
When writing :
CODE:.......
Are we actually starting a new thread that handles ticks ? or what is really happening behind ?
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May 31, 2014
Is there a timer within Android that can be set for a given interval and when the interval has elapsed to send a signal back to a listener routine inthe main programme? Something like the way a button reacts when clicked.
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May 4, 2009
I am using a Timer in my android application, but i can't get it to work. When I start my application the Timer simply does not start. The application continues but does not update.The long "toStart" finds the number of seconds left of the current minute, and thereafter the period is set to 60 seconds. The TimerTask simply calls a method.
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