Android :: How Do I Debug System Load Link Exception On Froyo?
Sep 10, 2010
On froyo, when I get a Link exception while loading a library, it does not give the symbol that it could not find! On eclair, there used to be a helper message saying "cannot locate xyz symbol'. Without, this information, how do I debug this library load error on Froyo? I am using System.load to load libabcjni.so. When I build the testapp, I can see the following line for libabcjni.so: adding: lib/armeabi/libabcjni.so (deflated 75%)Code...
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Aug 11, 2010
Every time. I load a froyo ROM this pops up. I'm running. Nonsensikal 1.5 now but others have said this too and I know my SD card is not blank. Do I have the wrong card in there. Its the stock 8gb. It doesn't. Let me download any Apps. that require SD permission. What do I do because I really want to keep this ROM.
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Nov 17, 2010
I am an Android app developer, and I have purchased a Nexus One device which I use to continuously test my developed Android applications.
Background: ----------------- One of the applications I developed uses a native shared library (e.g. myNativeLib.so). Only my application loads & uses this native library. I had developed this app before Android NDK came out. I pack my native library into my apk's 'assets' folder, and during my application start- up, I extract this native library from my package's assets folder to my app private directory (i.e. <assets> -> /data/data/<myappprocess>/ myNativeLib.so). Then I use System.load() API in my application to dynamically load this native library.
Problem: ------------ This application was developed during Android 1.5 (i.e. cupcake) days {I didn't have the Nexus One then}. The above procedure has been working without any problems right from Android 1.5 to Android 2.2 (i.e. Froyo). I have also tested the same on my Nexus One for Android 2.1 (i.e. Eclair) and Android 2.2.
The problem began the moment I recently upgraded my Nexus One to Android 2.2.1 via the FRG83 system update. Now, whenever I try to load my native library, I get the following error:
D/dalvikvm( 3653): Trying to load lib /data/data/<myappprocess>/ <mynativelib>.so <some address> I/dalvikvm( 3653): Unable to dlopen(/data/data/<myappprocess>/ <mynativelib>.so): Cannot load library: link_image[1995]: failed to link <mynativelib>.so
What I have Tried: -------------------------- 1. I tried my application using Android 2.2 SDK (emulator)...it works, no issues. 2. I checked out the latest froyo & android2.2.1 source code from Android open-source, built & tested my application + native lib using the latest froyo source...it built & ran, no issues. This should've taken care of any changes in the native code dependencies between Android 2.2 & Android 2.2.1 3. I even checked Android 2.2.1 source code for dalvik (java System & Runtime classes) + bionic (linker & dlopen sources) between Android 2.2 & Android 2.2.1 (using source checked out from Android open-source), but couldn't find anything consequential 4. I am unable to return my Nexus One to Android 2.2.
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Sep 2, 2010
I've been trying to diagnose a memory leak in an Android application I'm writing. I got a heap dump loaded into Eclipse, but the results I'm seeing are very curious. There are some 20,000 instances of an exception (specifically, LDAPException from the UnboundID LDAP library) in the heap with no inbound references.
That is, they show up at the root of the dominator tree. The OQL SELECT objects e FROM com.unboundid.ldap.sdk.LDAPException e WHERE (inbounds(e).length = 0) returns over 20,000 results, totalling to nearly all of the heap. And yet, the GC runs before the heap dump and I can see that it's running in the console, repeatedly, during the execution of the leaky code. If these instances have no inbound refs, what could be keeping them alive?
I also tried doing a "shortest paths to GC" query. It shows one LDAPConnectionReader row retaining 2 instances, and ~20k LDAPException @ <addr> unknown rows with various hex addresses.
Update: I haven't had time to further diagnose this since posting it, and the bounty I posted is ending before I likely will. I'm awarding it as best I can now, lest the points go to waste. Thanks to everyone who looked into this! I will come back later and update again with the results of further diagnosis, when life is a little less hectic.
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Mar 30, 2010
When I try to shorten a link with "#,&" character I get an exception. Is there a way to handle these character properly?
This is a sample code that works:
CODE:................
If I add for example '&' or '%25' to the string it will throw an exception:
CODE:.....................
The getShortUrl function from this Java class.
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Aug 22, 2010
I am developing an Android application where I get the exception while writing to the database: An exception occurred: android.database.sqlite.SQLiteException
But it doest say anything else. In general I find it very difficult to debug the exceptions.
I am using Eclipse to develop the application. Please help me in solving this issue..
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Jan 25, 2010
When I navigate away from my application - I don't have an activities open - and my background service has been shut down (validated that service's onDestroy method was called). However my process seems to hand around and the system never seems to get around to killing my process.
Is there any way I can debug why the system is not killing my process.
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Jul 10, 2010
Doing Android 2.1 development. Can anybody explain to me why the following code generates a IOException and doesn't load the file? This exact code used to work, and as far as I can tell, it should still work. For reference, the Log.d() command correctly lists all files that I expect, and the files are correctly zipped into my .APK file.
CODE:........
Any ideas on why this breaks now? The files I'm trying to read are tiny (couple of bytes) binaries.
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May 27, 2012
find out which app is draining my battery and if it's really necessary. couldn't find any information on the SDK pages.My Phone seems to be very often Awake while in standby. I can't understand why it has to wake up that often. Am I right, that this "Awake" means, that the cpu is running (not in sleep mode)?
Is there any way to log which software is waking the device up?
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Sep 30, 2009
i'm andrea from androidiani.com, i'm working on a library that will help developers about managing unexpected exceptions. The library is quite simple on it's idea, but i can't grab the unexpected exception withouth the use of a "global" try catch clausole. I saw the instrumentation class but i think it can't be useful for me..
Obviously the library will be free and the webservice too.. ( unless for the applications that generates quite low traffic ) But i personally don't love the way of global try catch..
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May 13, 2012
How can I get and modify files on the system without activating the usb android debuging?
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May 3, 2010
I have an issue related publishing the paid app to android market. (My application is internet connection based app.) If I've put the app to the android market, can user who bought the app pass to anyone? How is its security (I mean safe of .apk file)? Also, what is payment tool of android market? My main point is choosing the best way to link paid user to our system. Actually I don't know how to link paid user account to my system(by email address or device unique ID? What is better way?).
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Aug 24, 2010
I was just thinking that one day in the near future we will have Google operating systems on all of our devices i.e. phone, laptop, and tablet/pad. I am not sure what if any difference between Chrome and Android and how this will affect the likes of Microsoft and Apple. I believe that you can now download the complete Chrome operating system and install it on our laptops etc. See this link Google Android OS Now Available For Download. What are your thoughts on google operating systems.
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Jul 31, 2010
I tried downloading the mirror image from my Evo but it just says its downloading and nothing happens. I know HTC took it off but is there a way to get it?
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Oct 2, 2009
I have just bought an HTC magic which had a copy of the co-pilot app on the SD card. I have installed the app but when I try to run it it comes up with the co-pilot screen but says "Invalid Library CoPilots code cannot be loaded by the system"
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Oct 15, 2010
So i know my incredible has 8gigs of internal space. When i first got my phone and i plugged it in it would ask me "do you want to connect as usb drive" i would hit yes.. and it would load two hard drives one my computer
HD1. was my SD card
HD2 ... was my internal 8gb
Now, same thing happens, but
HD1. i can load no problem (SD CARD)
HD2, click on and it says "must format"
What gives? my phone can still see all my pictures/music from the internal memory though.
BTW i am running CyanogenMod
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Mar 28, 2010
I had a non-market copy of copilot running fine on my eris when I had 1.5 on it now that I rooted and installed 2.1, when I try to install it it comes up with an invalid library error (copilots code cannot be loaded in the system ). Anyone have a work around other than downloading it from the market? I travel in remote areas sometime and I'm scared that I may be out of data range sometimes with google nav.
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Jan 3, 2012
I have device Acer Liquid E , ROM MIUI 1.12.23.
When i listen music (no matter what player is used) system proccess Mediaserver very load CPU, so drain battery (see screenshot) This manifested itself in either the firmware from the 2.2 Android
dl.dropbox.com/u/18014239/%D0%BC%D0%B8%D1%83%D0%B8/device-2012-01-03-100816.png
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Nov 14, 2010
I am running plainJane and want to change my font by flashing .zip on recovery. Can some one either point me to a list of fonts or post a list that I can download straight from my phone?
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Aug 30, 2010
Anyone have a link to the leaked Froyo 2.2 for Droid X? Every one on here that I have tried has been deleted already.
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Oct 9, 2010
Have a rooted incredible that I just restored with nandroid to 2.1 update 1 and I am unable to get the OTA 2.2 froyo . I was running CM6 but I got tired of certain things not working.. Is there a link that I can download the verizon 2.2 ota from? I just bricked my phone and am installing a nandroid backup of rooted 2.1 what should I do to get the 2.2 ota or is there a way to do it manually with 2.1+root
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Sep 29, 2010
Found this on AndroidSpin, didn't see it here (Mods, please delete if this IS a dupe) This is a seperate ROM from his "Doesn't Brick", so I figured why not post it? ( Rom )Froyo JP3 with 2e Recovery & Working Clockwork Recovery - AndroidSPIN Forums
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May 24, 2010
No other video for you all to drool over! Flash kills browsing in Android 2.2 Froyo. (Doesn't use evo, uses nexus one running 2.2)
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Sep 3, 2010
After receiving the official OTA 2.2 update, my yahoo mail doesn't work. I got the low space warning three days after the update, so I deleted the HTC Mail accounts to start over since it had gotten to over 100MB. It loaded my msn just fine, but said that it couldn't authenticate my yahoo. I thought my PW was wrong, so I used the laptop to get a new PW, and confirmed it by logging into it on the laptop and again at work on the desktop. I went to add the new yahoo mail account to the phone, and I'm still getting the authentication failure message. Can someone please help! Yes, I still use yahoo for less important mail/notifications.
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Aug 23, 2010
I just recently purchased a Samsung Vibrant and started to play with it. I downloaded all the necessary drivers and I rooted it using a method I found online here with success. After playing for a few days, I decided I'd take on the task of updating to Froyo.
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Jul 14, 2010
I created a sql lite database with the following columns:
static final String dbName="demoDB";
static final String tableName="Employees";
static final String colID="EmployeeID";
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
db.execSQL("CREATE TABLE "+tableName+" ("+colID+" INTEGER PRIMARY KEY AUTOINCREMENT, "+
colName+" TEXT, "+colAge+" Integer);");
I want to select all the records in the database like this and display them in a gridview:SQLiteDatabase db=this.getWritableDatabase();Cursor cur= db.rawQuery("Select "+colName+", "+colAge+" from "+tableName, new String [] {});String [] from=new String []{DatabaseHelper.colName,DatabaseHelper.colAge};
int [] to=new int [] {R.id.colName,R.id.colAge};
SimpleCursorAdapter sca=new SimpleCursorAdapter(this,R.layout.gridrow,c,from,to);
GridView grid=(GridView)findViewById(R.id.grid);
grid.setAdapter(sca);but i receive the following exception:java.lang.IllegalArgumentException: column '_id' does not exist.the db table does not have a column with name '_id'so what is wrong with this code
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Aug 11, 2010
I did the manual Froyo update on my Moto Droid couple of days ago after following instructions on a reliable forum. However, I have been having problems like system hangs and video playback not smooth like before. I wanted to get back to my original 2.1 firmware and wait for the OTA update instead. Is there any way I can switch back to the old firmware update of 2.1?
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Jul 28, 2010
I anyone else noticing issues with System Panel on the leaked Froyo Rom? I assume 2.2 handles memory in a different way, and System Panel doesn't read it correctly. It shows all of my apps running without anything being cached. Also, the CPU clock seems to be running at 700MHz or more constantly instead of coming down to ~300 or so like it showed on 2.1. However the CPU graph on the top left does come down like normal.
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Sep 22, 2010
I just downloaded this from my rooted phone and here you go guys. I recommend waiting for a cooked zip as it messes with the recovery and bootloader just from looking at the zip file.
File name: Blur_Version.1.13.604.MB810.Verizon.en.US.zip
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Jun 14, 2010
I have a WebView in my Android App that is loading an HTML string using the loadDataWithBaseURL() method. The problem is that local anchor links (<a href="#link">...) are not working correctly. When the link is clicked, it becomes highlighted, but does not scroll to the corresponding anchor.
This also does not work if I use the WebView's loadUrl() method to load a page that contains anchor links. However, if I load the same URL in the browser, the anchor links do work.
Is there any special handling required to get these to work for a WebView?
I am using API v4 (1.6).
There isn't much to the code, here are the relevant parts of some test code I've been working with:
CODE:...................
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