Android :: Edit Source Lookup Path - Standard Framework Callbacks
Apr 2, 2010
I am developing on a Mac with Eclipse and have the skeleton for an app that implements the standard framework callbacks (onCreate, onDestroy, onPause, etc.). When I set breakpoints in the callbacks the debugger stops and displays a tab that says
"ActivityThread.performLaunchActivity(ActivityThread $ActivityRecord,Intent)line:2477" and in the tab page body there is some red text that says "Source not found" and a button that says
"Edit Source Lookup Path...". I have tried adding several paths via "Edit Source Lookup Path..." but can't see to find the one Eclipse is looking for.
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Feb 11, 2013
Background: I am writing some scripts that are used to bypass root detection for an application and I need these scripts to be compatible across devices/ROMs. I am looking to push log files from the scripts automatically incase they need to be reviewed later and am looking for a consistent place to push them to that does not require root to read or write.
Question: I have owned more than a few android devices and all the devices that I have owned have a path of /sdcard to the primary sdcard in the system. MY question is simple, is this a standard location for all android ROMs? or is it only consistent with a % of the android ROMs out there?
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Jun 17, 2010
the Java sources for the Android framework are available at source.android.com. Can I download and feed them to Eclipse so that I can step into framework methods while debugging? Better yet, does anyone know of an Eclipse plug-in that would get them from Android Git automatically as needed?during debugging, I can step through the framework code; I can see local variables by their declared names, and line numbers as well. It seems like the debug info is already there - only the source file is missing. While I can open it in parallel and watch the execution unfold, the question of version matching remains. Of many versions of the class file in Git, how do I pick one that matches whatever is running on the device (or emulator)? This is more of a Git navigation question - how do I pick up the very version of the file that went into Android release, say, 2.2?
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Apr 5, 2010
My company is developing a new device that will run on Android. I'm tasked to develop the software installation process, including application installations and updates as well as system software updates. I want to leverage as much as possible from the Android SDK. I'm looking for any advice or references to help me get started. I've downloaded the source code for Android 2.1 and have been tracing the source code path for software installations via adb. The path has taken me through adb client -> adb server -> adb deamon - > PackageManagerService -> installd.
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Jul 20, 2010
I have some java code that I want to share with some classmates however I do not want to share the source with them.What is the standard method to provide someone with a Java executable that they can use but they cannot see the source.Not sure if this is relevant but the code that I will be giving them will be run on android.
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Aug 11, 2009
Which tool can be used to edit the CLF file for sourceInsight?
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Apr 24, 2010
We developed the popular mobile travel application TripCase (http:// www.tripcase.com) natively for the iphone, backberry, winmo, and recently Android. We really like the Android framework compared to the others, but found some of it's concepts like Activities to be very cumbersome when dealing with screen based applications like ours. We have many forms and workflows, lots of viewable and editable data, and we make many calls to our back-end Rails server. In order to streamline our development efforts on Android we created a small convention-based micro-framework which we are calling DynaDroid and would like to open it up to the Android community for use.
http://code.google.com/p/dynadroid/
Here are some of the features that you get with DynaDroid:
* The entire micro-framework is housed within a singe Activity, so sharing data between screens is finally easy again.
* Code by convention and all your xml layouts and menus are dynamically available.
* Screen management for pushing, popping, and swapping screens (all with transition animations).
* Screen orientation (landscape, portrait) can be controlled on a screen by screen basis.
* Error reporting support built-in, so if your app crashes a report is sent to you.
And there is more to come:
* More dynamic coding conventions - let's get rid of all those if/ else and case statements!
* Built-in screen analytics for tracking user interaction
* Simplified device to server communication with xml/json parsing and automatic error handling * Extensions to Android UI components without all the plumbing
* Easier to use api for interacting with device capabilities (camera, gps, phone, etc.)
We would love your feedback on the micro-framework. So please let us know what you would like in the future. And if you have any questions or issues our Google group is located here:
http://groups.google.com/group/dynadroid
Remember DynaDroid is already being used in the production Android application TripCase, so it's been thoroughly tested and is ready for prime-time.
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Mar 26, 2013
How to edit standard icon battery to numeric icon?
GT-S6102
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Jul 5, 2010
Is there a way to read the points created when drawing a path? It seems silly to me that a path cannot be readable.Or is it just better to manually write the current finger position to an array?
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Oct 26, 2009
so i made a wonderful discovery this weekend that my phone will take a charge from my CD deck in my car that has a USB jack. my concern is, that it may end up damaging the phone somehow and i was beyond paranoid. does anyone know if it is a safe thing to do? Does the USB standard have a standard power output?
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Feb 25, 2010
Here I update my world to include the canvas size. world.getViewPort().updateViewPortSize(width,height); Is there a better way to do this? Is there a way that I can automatically update my world object without having to manually call it in the setSurfaceSize method but instead call it from My world class? My guess is that I can use some sort of callback, but I don't understand them!
/* Callback invoked when the surface dimensions change. */
public void setSurfaceSize(int width, int height) {
// synchronized to make sure these all change atomically
synchronized (mSurfaceHolder) {
mCanvasWidth = width;
mCanvasHeight = height;
world.getViewPort().updateViewPortSize(width,height); }
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Oct 13, 2010
If it must implement with AIDL? And please kindly provide an example. There are several solutions, Does anyone know which is better?
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Sep 18, 2010
I have an android application. Based on the current geo location of user, I want to fetch some remote data in background and store it. My implementation is: At specific interval a alarm fires up my service. Service uses an anonymous class to query current location and registers a locationListener callback. On call of onLocationChanged() I initiate the remote data fetch from server.
However once my service is done registering the location listener using anonymos class, it returns as expected; as it doesn't wait for callback to happen before finishing. Since callback takes some time and makes a call when service has already returned, it throws an error saying: java.lang.RuntimeException: Handler{43e82510} sending message to a Handler on a dead thread
Which is quite understandable. One quick workaround for me now is that I can use getLastKnownLocation from locationManager as that doesn't respond back by callback; but what if I do want the latest location right now, in a service and not activity? How can I wait for callback to happen and stop my service from returning.
Also, at what point does lastKnownlocation gets updated? Everytime GPS registers a new location; does it update it? What I want to know is that if it's not latest can it still be closed to latest? As I didn't see an option in android emulator to configure the time period between subsequent updates.
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Sep 17, 2010
I am doing authentication with a third-party site that's supposed to redirect back to my app with auth token (OAUTH).
I have the callback working properly if I open the 3rd party site in a separate browser process via this.startActivity(new Intent(Intent.ACTION_VIEW, uri));
But, if I embed a WebView component in my layout, and open the url in that, the callback does not work. Webview says "You do not have permission to open myapp://callback?token=...." and quickly refreshes to "Web page not available...temporarily down..."
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Jul 7, 2010
I'm working on a service for my application whose purpose is to allow easy access to various web services we are running. The service is used to maintain a login state across any applications that want to use it so the user only has to log in once when the service is first started.
What is the best way to go about making the service run asynchronously and call back to the application when it is finished. Currently I am using static classes that extend Thread such as
CODE:.....
And to make it easy to call
CODE:....................
But these functions can only be called by my own application. I want anyone to be able to make a one or two line function call and be able to handle the response easily, preferably in a simple callback method.
I figure it has to be done using Intents to start the Threads, but if I do that I can't pass a callback.
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Aug 17, 2010
We are supposed to make UI actions only from the main UI thread. But it is not clear to me if callbacks like LocationUpdateListener (and other callbacks from sensors) are already in the UI thread or they require special care to access the UI components.
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Sep 23, 2010
I just switched over from iPhone to Android and am looking for something similar to where in the iPhone SDK, when a class finishes a certain task, it calls delegate methods in objects set as it's delegates.I don't need too many details. I went through the docs and didn't find anything (the closest I got was "broadcast intents" which seem more like iOS notifications).Even if someone can point me to the correct documentation, it would be great.
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Oct 12, 2010
There are a lot of Android SDK APIs where callback handlers are registered. For a concrete example, with MediaPlayer you can set an onCompletionListener callback. Will these callbacks be called from the main (UI) thread? If the answer is "it depends", then I'm looking for some general rules for what callbacks will be called from the main thread versus another thread. The SDK documentation doesn't seem to spell it out. (Maybe I missed it) It seems important to know, because if I'm guaranteed main thread callbacks, then I can skip some thread synchronization on data shared between different places in code. If I'm forced to be pessimistic out of ignorance, then I have to write extra synch block code and worry about deadlocks, data integrity, and reduced performance.
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Jul 15, 2010
Is there a way to obtain the time zone from the callbacks received
void onLocationChanged(Location location)
using the time information that can be obtained from the location parameter
long Time = location.getTime();
Or if there is another way please provide info!
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Apr 29, 2009
Is there any API to use DNS lookup in Android? My application connect to a server and to final user, we don't want that user need to enter the IP, but a hostname. I found dnsjava, a lib to handle that, but if Android would have this, it becomes better.
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Aug 3, 2010
I want to get the size of a view that is in my activity but I am not able to get that information in any of the activity lifecycle callbacks (onCreate, onStart, onResume). I'm assuming this is because the views have not been drawn yet. At what point are views drawn and is there a callback I can put my code so I can get the size of the view?
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Jun 1, 2010
I was wondering if it's possible to call specific methods defined within the AsynTask class from another class and/or service ?
In my specific case I have a Service playing some sounds, but the sound is selected from a List with available sounds...
When a sounds is selected it is downloaded from my home server, this takes some time (not much, let's say around the 3-4 seconds, the sounds/effects aren't big in size)...
So my problem at the moment is that I have a service to play those sounds, and when I select one I wanted to show a progressdialog... The way (if I understood correctly) is to use an AsyncTask, but the only thing the AsyncTask will do is telling my Service to play a specific sound from my server... So there is no "callback" from the service to the Asynctask...
How can I call a running AsyncTask, which sits in another class, and tell him all work is done and thus he can stop showing the ProgressDialog ? Or am I over-engineering it and there are other ways ?
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Nov 16, 2010
I'm new to Java, I'm porting over our Windows Phone 7 library to run on Android. Due to syntax similarities this has been very simple so far. Our library is basically an abstracted http message queue that provides data persistence and integrity on mobile platforms. It only provides asynchronous methods which is a design choice. On WP7 I make use of delegates to call the user supplied callback when an async message has been processed and the servers response received.
To achieve the same thing on Android I've found two ways so far - A simple Java listener interface that contains OnSuccess and OnFailure methods that the user must implement, or using the Android handler class which provides a message queue between threads(http://developer.android.com/reference/android/os/Handler.html).
I've gone with the Handler at this stage as if I'm honest it is the most similar to a C# delegate. It also seems like less work for a user of our library to implement.
Example of some user code to make use of our library:
CODE:.............
Using this the user can create as many different handlers as they'd like, called whatever they'd like, and pass them in as method parameters. Very similar to a delegate...
The reason I'm wondering if I should move to a listener interface is because the more exposure I gain to Java the more it seems that's just how it's done and it's how third parties using our library would expect it to be done.
It's essentially the same process, except each time you wanted to do something different with the server response i.e. You might be fetching different types of data from different endpoints, you're going to have to create a custom class that implements our interface each time, as well as implementing any methods our interface has. Or of course you could have a single monolithic class that all server responses were funneled in to but have fun trying to figure out what to do with each individual response...
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Jan 20, 2010
I am using android 2.0.1. I have a group id and I am trying to find all contacts in this group. I have been banging my head against the wall on this for a while. I can't seem to find a contentprovider that ties these two together.There has to be a standard answer to this question?
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Aug 6, 2010
I'm starting to dip my toes into LocationManager. I've created a service which tracks GPS location (interval is more than 60000ms) and updates my application with user location so they can find stuff nearby. As I understand it, users can go into their preferences and disable GPS for a particular application. I would essentially like to offer my users two modes.
1) GPS. 2) If GPS can not pull, device does not have a GPS chip, or GPS is turned off for my app, I would like to allow them to type in their zip code (or maybe switch to cell tower lookup).
The bold text is what I'm interested in. How can I tell if the device does not have GPS? How can I tell if the user has disabled GPS for my application?
Side question: My service gets launched from my 2nd Activity. I call stopService in the onDestroy method of this Activity. If I back up to my 1st Activity and the 2nd Activity is destroyed, I still notice the GPS icon on my phone running. Is stopping the service sufficient? Or do I need to stop the LocationManager in the onDestroy of the service?
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Sep 20, 2010
I'm currently writing a application that allows to save drafts (using android version >= 2.0). Each draft is connected to a contact via the ContactsContract.Contacts.LOOKUP_KEY. My problem is that if I change the name of my contact the lookup key changes also. Is that the way this works?
So for what do I need a lookup key? I thought that the lookup key does never change and now it changes anyway. I'm confused about that behavior. Can someone explain to me how to link permanently to a contact? Should I use IDs instead of the lookup key?
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Oct 26, 2010
In editText I set text as $ . I dont want to edit before $ symbol . i.e edit text doesnt want take any value before $ . ex: $adfdfd correctad$dsdff wrong .like this . how to restrict this one .
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Jul 6, 2009
What I'm trying to do, is to get the corresponding contact to a phone number. It works perfect if the number is stored in the contacts in the following format: +<country code><area code><number> But not all numbers are stored this way. Most are without the country code or with "00" instead of "+". Do I have to parse the number by myself and set up a corresponding WHERE clause for the query, or is there anything I can't find in the internet to get this one done by the framework?
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Aug 26, 2009
Does android use a color look up table ? if yes I wanted to see the entries in color lookup table and access them.
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Feb 12, 2010
How to lookup in contacts table for the contact of the incoming sms
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