Android :: How To Build A System
Oct 19, 2010
I have the android resource.
. build/envsetup.
sh make
Above two steps I have finish the source build, and the out directory has some useful file. but I can't understand how to make a zip file like update.zip. I want to flash my phone.
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Mar 16, 2010
The Eclipse build for my 1.6 application project is succeeding and the Ant build is failing. I'm looking for help on why they aren't behaving the same way.
We are developing on Mac OSX 10.5.8 with Eclipse 3.5 against SDK 1.6 + Google APIs. There are no setting changes in Eclipse, either at workspace or project level. Similarly, our ant is also a vanilla-flavored unmodified installation of 1.7.1. JDK is 1.5.0_22. The CLASSPATH environment variable is not set. JAVA_HOME is /Library/Java/Home
The application was initially created by a team member using the Eclipse plugins. The application references two jar files, one of which has a dependency on javax.xml.bind.annotation.XmlSeeAlso, which is not defined anywhere in our code or in android.jar. The other jar file has an explicit dependency on android.jar. I generated the Ant build file using android update.
The Eclipse project builds an apk and runs the application in the emulator. I think this is incorrect behavior.
The Android ant project fails to build. I think this is correct behavior. MyClass.java:98: cannot access javax.xml.bind.annotation.XmlSeeAlso [javac] file javax/xml/bind/annotation/XmlSeeAlso.class not found
Why the two build methods are behaving differently? I would expect them both to fail.
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Feb 4, 2010
Could anybody give me some suggestion about android build system? It is too difficult for read to me.
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Feb 10, 2010
I am giving product build in Android 1.6 in Ubuntu using make. First time it is fine. But next time onwards if I try to build it again without cleaning it, the system hangs after some time. Even if I try remove the out folder to clean, the system hangs. So every time a fresh build takes too much time. Did anyone face this issue? I am using 1 GB RAM, 1 GB swap space and 40 GB linux space(65% space is free).
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Apr 20, 2012
is it possible to Build System apps like Contacts on Windows?
If i download for example the source of Contacts.apk it shows errors like "ACTION_CALL_PRIVILEGED cannot be resolved or is not a field".
Is there a Possiblity to make it work on Windows?
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Dec 19, 2012
How to increase the system volume by editing build.prop?? (system volume like key press sound,camera sound..etc) or any third party software can increase the system volume?
I check the system volume by using audio manager app..and it show my system volume already maximum... I using huawei u8950d....
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Jan 29, 2009
I started to work with the latest Android version for OMAP3430 (Zoom1) platform by getting sources via "repo sync".
The u-boot and kernel images were built successfully but file system build encountered the issue for
CODE:..............
Which Android version to use and how to get it via repo?
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Jun 24, 2010
I downloaded the Android 2.2 source code and try to build it. When I executed the make command, I got an error here like this build/core/java.mk:20: *** frameworks/ex/common: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. Then I changed the frameworks/ex/common/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7. Next place, build/core/java.mk:20: *** external/jsr305: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. I changed the external/jsr305/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7
Last one, build/core/java.mk:20: *** external/guava: Invalid LOCAL_SDK_VERSION '8' Choices are: current 4 5 6 7. Stop. I changed the external/guava/Android.mk to LOCAL_SDK_VERSION = 8 from LOCAL_SDK_VERSION = 7
By these changes the code started the compilation.
1. Why the error occured?
2. Changes which I did is correct or not?
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Feb 21, 2013
I have a phone with a MT6577. The vendor (Wiko) published the kernel source code. So, i'm trying to build it. I can get the zImage. I converted it to boot.img but i can't boot with it on my phone.build a good zImage? (if you want to try) : URL...
cp mediatek-configs .config
TARGET_PRODUCT=s9081 MTK_ROOT_CUSTOM=../mediatek/custom make
# sudo mtk-tools/repack-MT65xx.pl -boot zImage boot.img-ramdisk boot.img
MTK-Tools by Bruno MartinsMT65xx repack script (last update: 27-01-2013)
Repacking boot image...
Ramdisk size: 2046 blocs
Repacked boot image into 'boot.img'.
Here are the Warnings I got when compiling
mediatek/platform/mt6577/kernel/drivers/video/tvc_drv.c:61:5: warning: "FIXED_WVGA_PARAMS" is not defined
net/ipv4/tcp.c: In function 'tcp_nuke_addr':
include/net/ipv6.h:338: warning: 'in6' may be used uninitialized in this function
net/ipv4/tcp.c:3367: note: 'in6' was declared here
In file included from net/ipv4/netfilter/ipt_LOG.c:27:
include/net/netfilter/xt_log.h: In function 'sb_close':
[code]....
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Feb 9, 2009
Is it possible to write data or create folder in system directory like /system/media/audio/alarms. i.e other than our respective package.
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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 4, 2010
Phone: UK Galaxy S Issue: Recovery boot error message in red writing
Multicsc : can not access to / system/csc/VOD/system/
Background: I have been trying to root my phone from information found in a youtube video. All went well and the little ninja bloke with the sniper rifle was in the app list. Tried installing busybox and was told that the phone was not rooted�..
I think I ran the root application again and at some point I started getting this error message when in recovery. I have since run the one click root method to unroot the phone and the little nija dude is no longer there. Since I rooted the phone it will no longer connect to my wireless network, it finds the network and attempts to obtain an ip address. After a few min it times out and tries again. When I load the phone recovery the error message is still present.
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Jun 23, 2010
Can we modify the system while the phone is booted now that we have the unrevoked recovery flash tool? is this what NAND unlock means?
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Jul 11, 2012
What will the cwm backup?
if I backup a system with locked bootloader,will the bootloader relock after I restore the system from an unlocked bootloader system?
Which content will cwm backup?(include kernel?)
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Sep 23, 2009
I use Java API "System.setProperty()" to set a system property. After invoke "System.setProperty()", API "System.getProperty()" can return the value just I set. However, when I use command "adb shell getprop" to verify, it shows that this property is not set at all. Do I wrongly understand API "System.setProperty()" ?
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Oct 12, 2010
I'm engineer but more from a chip/assembler x86 level. I'm new to Android. Still figuring some general things out. I have written some apps, but have a general question. If I were to write an improved version of - let's say - TextView. Is it possible to make all app's on the system using this class, basically replace TextView? How are the java classes on the Android system, are they compiled, can I replace the library? Is this protected?
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Oct 12, 2010
I have written some apps, but have a general question. If I were to write an improved version of - let's say - TextView. Is it possible to make all app's on the system using this class, basically replace TextView? How are the java classes on the Android system, are they compiled, can I replace the library? Is this protected?
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Dec 2, 2009
Try something like this,
ANT_OPTS="-Xms256M -Xmx512M" export ANT_OPTS ant ...
On 12/2/09 12:11 PM, sdphil wrote:
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Apr 14, 2010
HTC may develop own mobile OS, follow iPhone model | Electronista
Palm with webOS, Samsung with Bada and now HTC with their own? Is this going to lead anywhere good?
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May 19, 2010
k9-2707-release.apk - k9mail - K9 2707 - Project Hosting on Google Code
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Jun 4, 2009
I'm having pukage when I try building from ant. I followed the sdk upgrade instructions:
$ android update project --path /path/to/my-project --target 1
and when I try to build:
$ ant release
I get:
CODE:...........
It seems that something in:
CODE:..............
Is causing ant to harf, but that's about all I can tell.
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May 12, 2009
Is there a tool or a website that could help me create a UI for an Android application using drag-and-drop?
I found this site but want to know if there is a more stable tool or website for this?
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May 11, 2009
I would like to do is a build-in SMS Counter. When having plans that allow you to do a specified amount of SMS messages in a month, an SMS Counter would be very useful, and I can't imagine writing code for it could be that hard. I think that, apart from me, many people would love this simple extra to the Android OS.
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Aug 18, 2009
I want to modify the usb_windows.c in /system/core/adb and recompile a new adb.exe to test our platform. but, when i use "make HOST_OS=windows", it failed. i use ubuntu 8.04 and i can build with "make HOST_OS=linux". does anyone know how to build my adb.exe?
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Sep 8, 2010
My application needs to compile into different version, from 1.5 to 2.1. The development environment is eclipse. I don't want to have different source code or project for each version. How could I do it?
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May 18, 2009
I just tried to figure out the build.xml from the SDK 1.5. I used "android update project" an an existing project and got a very short build.xml. When I strip out all the comments, this is what's left:
<?xml version="1.0" encoding="UTF-8"?> <project name="com.webxells.ourproduct" > <property file="local.properties"/> <property file="build.properties"/> <property file="default.properties"/> <path id="android.antlibs"> <pathelement path="${sdk-location}/tools/lib/anttasks.jar" /> <pathelement path="${sdk-location}/tools/lib/sdklib.jar" /> <pathelement path="${sdk-location}/tools/lib/ androidprefs.jar" /> <pathelement path="${sdk-location}/tools/lib/apkbuilder.jar" /
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Nov 11, 2009
I define a setBackgroundDrawable with a png resource that's 2px wide and 50px high. Android fills the background with this resource. The question I have: Does Android replicate the resource to fill the width of the screen or does it stretch it? The png is not 9-patch.
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Aug 6, 2009
I'm seemingly having problems creating the apk using an ant build for 1.5. It's building so I'm guessing the sdk pointer in local.properties is set correctly, but it seems to not be finding sun.security.x509.* (?).
I can see that jarutils.jar is in
CODE:...............
Here's the traceback spew...
release: [apkbuilder] Creating .Phresheez-unsigned.apk for release...
CODE:................
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Jun 25, 2010
Is that possible to build an extensions to build-in apps like contacts, or addessbook, so we could adding additional menu ?
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Apr 24, 2009
I am in the process of writing some new build files for Android Sdk 1.5 and beyond.
My question is every tool-IDE plugin the same in that they do not contribute the ANT task libs to the IDE ant editor and thus have to manually set the paths in each IDE?
At them moment i know ADT 0.90 pre is but I am assuming that will change as we approach the ADT 0.90 final release.
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