Android :: Writing Own Application Launcher For Android
Nov 22, 2010
My Use case like this
- User is in my application
- User presses home key (application goes to background)
Now user wants to go back to the same application (task in android terms)
one way is it through the application launcher BUT
for my application there is no icon provided.Instead user have to launch app with some "key combinations ". Essentially I have to write program to simulate application launcher.So How can "application launching" be achieved with CODE?
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Jun 11, 2009
I'm interesting in writing a custom homescreen and launcher. By launcher, i mean the list of apps that appear when you push the menu button from the homescreen.
Are these two different native applications (homescreen and launcher)? Or is the menu that pops up part of the homescreen application.
Further, It there some Intent I could declare in my app that would instruct android to load my launcher / homescreen app instead of the native one, or would this require me to reimplement from source and build a custom platform?
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Sep 7, 2010
I am writing an android application for sending email which launches the default mail application of android and asks to allow sending mail or not.
I want to know the type of Exceptions that are expected to throw in this case.
I have gone through Developer guide and some other Android PDFs ,I am finding only base class Exception.
I want to know are there ant other exceptions that will be thrown other that exception, which we need to handle in our program.
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Mar 31, 2009
Dears Is there any Library and classes that enables writing a NetMonitor application for 3G & Wifi like in Symbian phones? Android.net.wifi and android.net seems haven't enogh functions to do that.Are Android Kernal developers willing to set such Network functionalities as Symbian & Windows Mobile have.
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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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Jan 28, 2010
I need to write an Android application that allows a user to connect to multiple social networking sites like MySpace, LinkedIn, FaceBook etc. and fetch friends list.
I know that most of these applications have Java libraries or functionalities exposed as REST based WebServices. But since there is a lot of variety and disparity in the ways that these libaries are written or service that can be consumed, is there any single, integrated service or middleware component that I can use to provide a unified interface in my mobile application?
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Aug 30, 2010
can an application have more than one icon in the launcher? (No, not plotting any mischief). Was wondering how to do it if the application has only one activity.
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Jul 14, 2010
How do I exclude an application from appearing in the Application Launcher. The code below is used to add on to the launcher but when I exclude it, the launcher still appears. Code...
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Jun 17, 2009
i am developing a simple application which takes xml files and do the operations.i am testing it on emulator. 1.5 sdk.
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Jul 7, 2010
My goal is to modify the Launcher application and dynamic modify and change theme,I saw several 'home' apps as http://www.cyrket.com/p/android/com.stain46.taghome/ ,it looks like they took the default Home(Launcher) and modify it. The only thing I'm wondering is how they did that? usually what thing i need to modify in Launcher folder,because i donot know where to try ,thank you for your reply.
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Oct 12, 2010
I Im working with a Motorola DEXT with a 1.5 api, and the application launcher icon it's not shown. When I use an emulator with a 1.6 or newer api it works just fine. Is there any additional steps to configure the icon for older apis like the 1.5 I'm working on/
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Jun 9, 2009
Is there a way of removing an activity from the home launcher by itself at runtime? I mean removing Intent.CATEGORY_LAUNCHER from it's properties or something similar.
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Aug 20, 2010
I have a single Android application that houses a suite of applications. I want each application to install with its own launcher icon, so I have a few activities with the same intent filter.It works just fine if I close out of an application using the back button. Each launcher icon starts a different activity. However, if I simply send the application into the background using the home button and then try to start a different activity,the one I put into the background is brought to the foreground instead of the correct activity starting.Can I make the multiple icons work or do I need to create a central activity as a way to start all the sub-applications?
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Sep 15, 2010
I have a enable and disable button. When this button is enable, user can launch my application normally. But when the button is in disable state, I don't want to start the application, that is the launcher activity should not start, but the icon for application will be there.When we click on the icon for application to launch it should not start.
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Oct 6, 2010
I have an application which has multiple activities associated with it. When the user clicks on the launcher icon I want the last used activity of the application to be shown.
What's the best way to accomplish this?
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Feb 11, 2010
Create a sample application with two launcher icons.
For example, two components such as:
CODE:..................
Either install the application via downloading from the Marketplace, or via AppInstaller. When the message box asks you if you would like to run the application, an exception is thrown:
CODE:.................
The crash happens because com.android.internal.app.ResolverActivity is trying to find a (single) component which resolves the following intent: <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" />
Has been tested BOTH with the AppInstaller, and the actual Marketplace on a real device.
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Oct 31, 2010
I use a file browser to locate the APK, it installs successful and I can run it OK (when clicking "run" after install completes) However, if I then exit the application, I'm unable to see a launcher for it on my apps menu (where I would expect it, like other apps I've created) At the moment, every time I want to run the app, I first have to re-install it so I can access it, surely there must be a better way?
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jameselsey"
android:versionCode="1"
android:versionName="1.0"
>
<application android:icon="@drawable/globe" android:label="@string/app_name"
android:theme="@android:style/Theme.NoTitleBar">..................
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Jun 23, 2010
I seem to get this error message when I turn on the phone after powering off. I get to click "force close" and then it seems to work ok. "The application HTC Sense (process com.htc.launcher) has stopped unexpectedly."
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May 8, 2010
So I got this error today, and thought I'd share my woe. Some quick internet searches suggest it to be a fairly common issue on Android phones. Basically, when it happens, this error pops up when you turn your phone on, and the phone won't boot up. There's nothing you can do other than hard-reset, unfortunately, by switching it off, holding down both volume buttons, and then switching it on. You then select 'clear user data'. I am somewhat peeved, as it'll take me hours to get my phone set up again, but I'm happy it's alive again! And this time I'm going to make a backup.
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Aug 21, 2009
when I click on launcher it does not show displayed activity log for launcher, it shows it way before during boot up stage. why is this happening?
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Oct 30, 2009
Just wanted to report a potential issue with the Sprint HTC Hero. Me and a few friends have experienced an issue where if you:
1) install an application
2) update it or uninstall and reinstall
3) reboot your phone
Then on many applications, the launcher icon will be messed up as well as the name of the application under the icon. In many of these cases, this renders the application unusable including Google Sky and Pandora. If you then uninstall these applications and reinstall them they will work fine until you reboot your phone again. The problem doesn't seem to exist if you install the application the first time. Only does it exist if you update it and reboot or if you uninstall/reinstall and reboot. There is a fairly lengthy thread on the Android Developers mailing list regarding this. Google seems to think it is unique to the Hero itself since a stock Android device (ie: G1) doesn't have this problem. Other developers are experiencing the same thing.
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Jul 20, 2010
I've been using LP for about a week (it's great BTW!) and this just started to happen so it could have something to do with the latest update. I've set LP at the default launcher and everything works great. However, if I ever long press the "home" button, go to an application, then press "home" again I get the popup asking me which launcher I want to use. I check the "set as default" box then select LP and everything is good again. It all works until I long press home the next time, then the remembered default is gone and I get the prompt again. I've tried rebooting, clearing defaults, etc.
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Jan 7, 2010
I have the HERO for about 3 weeks now. Until yesterday everthing was ok with the phone, but since yesterday i get this message: "The application TouchFLO (process com.htc.launcher) has stopped unexpectedly. Please try again" when i want to use the weather widget. When this message appears i get only Force Close as an option.
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Oct 12, 2010
I was informed of Launcher Pro in my search for customizing without rooting and then my boyfriend came across ADW launcher. I was just wondering if there were any major difference between the two? Pro or Cons?
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Jul 21, 2010
I am currently writing the backend for a service which has 3 clients: browser, android native and iphone native. I am having a little trouble with coming up with an authentication system since I don't know what can really be done on the clients.
I am using django + twisted for the backend.
Basically, I am going to be writing RestfulAPIs to open up for the clients on both phones to call.
Now the real question is, how should I come up with an authentication system?
I have thought about using sessionids, this works very well with the browser and I can use django's integrated app for that.
However, I don't know if it's possible for both the iphone and android to obtain a unique sessionid on the handset. Should I write an API call to distribute unique sessionids?
if that's the case, is it possible for me to still use django's authentication system since a lot of the stuff here are customized? ( I am not even using a rdbms - I am sticking with mongodb, so I was on the verge of dropping django's authentication app ftm).
I have looked at foursquare's API and their basic auth method requires you to pass in user:password in every http request header. That adds 1 additional authentication each call which can kind of seem excessive.
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Jun 9, 2010
This is a pretty open ended question.I have a T-Mobile Touch and have some free time on my hands. So far as i understand im stuck with Android 1.5 and no sign of T-Mobile or Huawei releasing a ROM using a more up-to-date version of the Android SDK.Im asking what are the major complexities involved with making a ROM for this fone using a newer version of the Android SDK?
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Sep 16, 2010
I would like to open an mp3 file with my own audio player(based on mplayer and FFmpeg) I packaged in a apk file. It runs fine using command line and the executable version but not when packaged in apk. I got the messages using adb logcat window:
I/stdout ( 2115): PCM: Samplerate: 48000Hz Channels: Stereo Format s16le I/stdout ( 2115): [AO PCM] Info: Faster dumping is achieved with -vc null -vo null -ao pcm:fast I/stdout ( 2115): [AO PCM] Info: To write WAVE files use -ao pcm:waveheader (default). I/stderr ( 2115): [AO PCM] Failed to open /dev/msm_pcm_out for writing! I/stderr ( 2115): Failed to initialize audio driver 'pcm:file=/dev/ msm_pcm_out' I/stderr ( 2115): Could not open/initialize audio device -> no sound. I/stdout ( 2115): Audio: no sound I/stdout ( 2115): Video: no video I/stdout ( 2115): Exiting... (End of file)
I put the permission in the manifest file as follows:
code:...............
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Apr 9, 2009
I want to edit image for Writing text on images, is it possible in Android, if so, how to achieve this.
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Nov 6, 2009
Does anyone have any suggestions on where to start in case one wants to write a firewall for Android? I am interested especially in how would one go about in blocking access for various applications that are blacklisted from a firewall application. As far as I could find, there are no firewall applications in the real sense except Droidwall which uses iptables on rooted phones, but I would like to see if there are any API calls currently in Android that may help with this task, be it NDK or SDK.
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Mar 31, 2010
I'm looking for a way to programmatically save an array of shorts as PCM data. I know that this should be possible, but I haven't found a very easy way to do this on Android.Essentially, I'm taking voltage data, and I want to save it in PCM format. My function looks something like this:public void audifySignal(short[] signal) {// Create a WAV file from the incoming signal}Any suggestions would be awesome, or even references. Seems like the audio APIs built in to android are more geared for directly recording from the mic, and not so much for lower level signal processing type work (at least for saving raw data to a file). I'd also like to avoid having to manually write the PCM file headers and what not.
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