Android :: 2D Game In Java Swing For Desktop Application
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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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 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 28, 2012
I would like to execute adb commands from my Java application. At the moment I use Runtime.getRuntime().exec(command), is there a better way? Maybe even a library?
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Aug 3, 2009
As there is JUnit test tool for Desktop Java is there some thing similar in android so one can apply on android also.
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Aug 18, 2010
I'm working on developing a game in Java for android phones and I was wondering if there was a place to view a complete game script so I could see all the components and how it's setup? Kind of like a dissection self-tutorial. Either a developer or website that offers game scripts in their entirety for android phones? I'm pretty new to Java programming and was just looking for a good example of a running game.
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Jul 20, 2010
I have android code that uses a background process to routinely (e.g. hourly) connect to a content source on the web to check for updated content. As new users download the app and run it for the first time, it seems (and this is just a "seems at the moment) that in this first-run situation, because the DNS for our servers are not cached already on the device, those first series of connections fail with dreaded UnknownHostException: Host is unresolved. And of course, the application tries again later and (again, "it seems like") it is all working -- perhaps because the OS has had time to actually resolve the address. So, my question(s) are: (1) Do other Android developers see this behavior with their deployed applications as well? First time, a series of "host unresolved" issues that work themselves out later. (2) Does anyone have a better strategy for "warming up the DNS" so-to-speak so that the first real connections work? or perhaps do you just re-try with some back-off looping when you encounter this exception? I was contemplating having a separate thread that tries to fetch a small text file from our server and have it just loop until it gets it and maybe (not sure about this part) block the other outgoing network connections until it succeeds.
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Jul 7, 2010
I was thinking of getting one and trying it out, but I don't know how often I would use it. What do you use it for? Can you watch Hulu on your home PC on your phone? Is it more of a work-related thing? Is it just for forgotten files?Just wondering how useful an application like this is to the normal day-to-day user.
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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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Jul 6, 2010
I defined an application which is only used from my other application. So I would like to hide the icon of this application, so that the user can't see it on the desktop of his phone (or how do you call the thing where all apps are listed?). My manifest file looks the following way:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="xyz.games.pacman.controller" android:versionCode="1" android:versionName="1.0">
<uses-permission android:name="android.permission.BLUETOOTH"/>
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".PacmanGame" android:label="@string/app_name" android:screenOrientation="portrait"> <intent-filter>
<action android:name="pacman.intent.action.Launch" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter> </activity>
<receiver android:name="xyz.games.pacman.network.MessageListener">
<intent-filter> <action android:name="xyz.games.pacman.controller.BROADCAST" />
</intent-filter> </receiver> </application> <uses-sdk android:minSdkVersion="7" /> </manifest>
I already read this question:
http://stackoverflow.com/questions/1063604/how-to-hide-an-application-icon-in-android-emulator
But if I just remove the line
<category android:name="android.intent.category.DEFAULT" />
in my manifest, the activity isn't working at all (ActivityNotFoundException in the calling activity). I already tried android.intent.category.EMBEDDED but this doesn't work too. In the Internet I found CommonsWare answer http://osdir.com/ml/Android-Developers/2010-06/msg03617.html that it can be done using PackageManager. Unfortunately, it isn't explained how exactly and I couldn't find a solution by browsing the PackageManager API.
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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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Oct 17, 2010
I need advice on which app is the easiest and best phone-to-pc app. Like being able to control your computer with your phone, like a desktop controller. I found this app, Desktop Remote Free - Android app on AppBrain. I'm not quite sure how to use it?
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Jul 8, 2010
I hear that the Android's desktop is an application that I can change.
I'm searching for some information about how to do that.
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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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Feb 5, 2009
I am using mp3 sound in my game (used wav format also) while playing sound I get problem as "obtainBuffer timeout (is the CPU pegged)" and then sound gets played after some time i.e it is not synchronized with the game play.
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Jul 30, 2010
I want to add <uses-permission> via programatically .I want to telephone number of the device.For that i need to access the phone state.But i need to add that permission only with Java code at runtime. Is it Possible to do so. (or) Can you suggest any alternative way to read the telephone number .?
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Sep 5, 2010
Is there any ready library to read ePub format? I found ePublib in
http://github.com/psiegman/epublib. I'm still learning how to use it. I wonder if there is ePub jar which ready to use for read ePub format in android.
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Apr 23, 2009
I have a native application that I would like to start from a Java interface. Does anyone know of a good way of doing this? can start the application using adb, with no problems. I can also start the application using Runtime.exec(), but that doesn't work so well for me; I need the application to run outside of a Java Runtime Process. Any ideas?
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Dec 8, 2009
I m a programming noob here..i need help on some issues here. I understand that Android is built from Java. I need to know if i can run a java application on android? Or can i run the application with minor change to the current coding? I read about Java ME can run on android but what abt .Jar file?
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Apr 8, 2009
I have developed bluetooth application where native library will be initiated by Java application (using JNI wrapper). JNI will call the entry function of the native library and then it will create Pthread to for scanning the device. Once Scanning is over, i will get the callback which i registered during the entry function of the native lib (called by app). But i haven't received the callback, but if i run the same native library in the shell (executable from the shell terminal) it is working fine. Can any one help me, if there is any specific architecture needs to follow while developing Java application based on native lib?
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Nov 5, 2009
I am trying to run a native executable from inside an android java application. The native executable exists in my assets. At start of activity, I copy it from assets to my application cache Dir. then I use Process Builder to run it.I tried to run "chmod 777" on the file and on cache directory containing it and I ensured permissions are granted using adb shell. but I still get this permission exception.
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Oct 4, 2009
I'm trying to run J2SE JAVA Application on Android.As you know, the main problem is that J2SE classes such as awt, applet, and etc are not supported in Android. Consequently, this means that I should replace those many java classes with Android classes.So, Do you have some idea or information for replacing J2SE classes with Android classes?
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Feb 9, 2010
In my application i want to upload the image.for that i have to get images from gallery in android device.can pl send me that code get images from android device gallery
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May 14, 2009
I added a third party jar in my application and tried to run, but its showing, java.lang.VerifyError..
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Oct 24, 2009
I plan on writing a Java 3D game that will work both on PC and Android. Unfortunately it looks like there is no common OpenGL API for both platforms.Do the APIs differ significantly? Is there a way I could use the same 3D code in both versions? Is it a good idea?
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Sep 17, 2009
I am currently working on porting a application written in C in android platform. I need to know that can i invoke/call the getSystemService from the C application using invocation interface by JNI. Meaning using a .java file which will interact with the interace provided by the android.telephony.TelephonyManager.java for using getCallState() and other mehthods.
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Apr 6, 2010
I followed this stackoverflow thread to implement EmailSender using Javamail on Android. But I am still getting this exception: Could not connect to SMTP host: smtp.gmail.com, port: 465. I am using Android 1.6.
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Oct 20, 2009
i get following error, if i test my app on a real android phone. On the emulator, my app works fine.
W/dalvikvm( 321): threadid=3: thread exiting with uncaught exception (group=0x4000fe70) E/AndroidRuntime( 321): Uncaught handler: thread main exiting due to uncaught exception E/AndroidRuntime( 321): java.lang.VerifyError: de.stefandahmen.android.TourList E/AndroidRuntime( 321): at java.lang.Class.newInstanceImpl (Native Method) E/AndroidRuntime( 321): at java.lang.Class.newInstance (Class.java:1472) E/AndroidRuntime( 321): at android.app.Instrumentation.newActivity(Instrumentation.java:1097) E/AndroidRuntime( 321):.....
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Mar 12, 2010
Basically i want to start Notepad application in android from my application , can i do this in android using runtime.exec() method of RuntimeClasss and assign it to a process and kill the process later.
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