Android :: Android Compilation Slow (Using Eclipse)
May 21, 2010
When I change any .java file and build, the compilation takes 16 seconds. I don't understand why it should be so slow. I enabled verbose output for Andoroid.
Window > Preferences > Android > Build output > Verbose.
The result output (Console > Android) is:
[19:46:10] Refreshing resource folders.
[19:46:10] Starting incremental Pre Compiler: Checking resource changes.
[19:46:10] Nothing to pre compile!
[19:46:10] Starting incremental Package build: Checking resource changes.
[19:46:10] ignored resource ...in.classes.dex
[19:46:10] processing ...A.class
[19:46:10] processing ...B.class
...
[19:46:21] processing com/google/inject/util/Providers.class...
[19:46:21] processing com/google/inject/util/Types.class...
[19:46:24] Using default debug key to sign package
[19:46:24] Packaging ...in
esources.ap_
[19:46:24] Packaging classes.dex
...
[19:46:25] Packaging ...annotations.jar
[19:46:25] Build Success!
[19:46:25] Refreshing resource folders.
[19:46:25] Starting incremental Pre Compiler: Checking resource changes.
[19:46:26] Nothing to pre compile!
The "processing" of .class files took 14 seconds. And it "processed" all files, even from all .jar files linked. I think some thing wrong goes here, as only one .java file was changed. What can I do to improve the compilation speed?
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Jun 12, 2010
I am running Eclipse Galileo on an Intel Mac and after using it for a bit, it becomes very slow. By slow I mean switching between tabs and scrolling through source becomes nearly unusable. I have to close Eclipse and re-open it, and that usually only solves the problem for a short time.
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Jul 8, 2010
Eclipse HELIOS (3.6) Code Assist very slow?
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Aug 6, 2010
Just upgraded to 3.6 after this whole Sun/Oracle JVM fix/debacle and I notices that 3.6 EE runs super, duper slow. So slow to the point that code assist is unusable. Here are some changes I made to the config to make it operate a lot better:
eclipse.ini: replace the end with this:
-Dosgi.requiredJavaVersion=1.6
-XX:MaxPermSize=512m
-Xms128m
-Xmx1024m
And turn off JAX-WS Proposals in Content Assist Window > Preferences > Java > Editor > Content Assist > Advanced. I also disabled JPA and PDE, but you might need them depending on what you're doing.
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Feb 22, 2010
I just installed the latest version of Eclipse IDE for Java Developers together with the ADT plugin on my Mac (2.8 GHz, 4 GB Ram).
- Opening new files from the package explorer.
For example, opening a layout xml file takes 1-2sec- And the mouse pointer changes.
- Switching between tabs
- Resizing views in the workspace
The performance rapidly decreases when I open more files. Are all of you developing under these circumstances? How can I speed up eclipse?
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Jul 21, 2010
The last couple of weeks, my app is very slow compiling changes when the resources are modified in the project. Doesn't matter if it's strings or layout. Sometimes it takes as long as 30 seconds for the changes to apply. Compiling just the .java files are as fast as ever.
I used to have slowdowns after I having Eclipse open for the whole day, but restarting Eclipse always fixed that. Not this time. All my Eclipse and Android software is up-to-date. Has anyone experience this or have any suggestion as to what could be causing this and a fix? It's really cutting into my productivity.
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Oct 17, 2010
I am running eclipse on my windows 7 machine, 6bit with 6gb ram and core 2 duo. I am currently running Eclipse 3.6 and android 2.2 SDK. I am running jdk 1.6. I am noticing that when coding and the context popups to list methods of a class, it hangs Eclipse for up to 15 seconds. This is very frustrating. One thing to note, when Eclipse hangs, my processor is maxed out, and is being worked by a java process. So its doing something whatever it is. But frequently everytime I finish an object with a period and the context box pops up, its becoming too painful to work with.
I changed some settings in the Eclipse.ini file such as:
-Xms1024m
-Xmx1024m
--launcher.XXMaxPermSize 512m
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May 7, 2010
I'm using Eclipse + the Android SDK on a Mac running Snow Leopard to develop Android apps. Thing is, Eclipse is really slow - like, it "beach balls" for a few seconds when changing tabs. Is there anything I can do to improve it's performance?
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Sep 11, 2009
I was working on Freescale iMX31 board, I ported android and it was working fine , but when it came to integration of WiFi & Bluetooth, android forum recommended me to do static compilation for porting over android !
Can I know why some drivers have to be statically compiled before it is ported over android? It was not the case with other drivers which when integrated with android, they worked perfectly well like serial port, usb etc..
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Sep 27, 2010
I want to change my apk file name on every compilation of my build.
For example, I have my build name currently, android.apk
Now I want it to be on every compilation as, android_v0_0_1.apk android_v0_0_2.apk android_v0_0_3.apk . . . . And so on.
How do I achieve these results.
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Feb 16, 2010
I want to have my own Launcher Application for Android in other words , I want my own Application to run directly after booting , instead of the Launcher app as I am not running Android on a Mobile phone , and I don't want Android's Home GUI also I want to change the app in the source code , before compilation.I have tried to Simply replace files under "/packages/apps/Launcher" with my HelloWorld App then running this command "mmm packages/apps/Launcher" but It didn't work.
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May 2, 2010
In the test project, I am importing the mockito library for standard POJO testing.However, when I import the library, the compilation time skyrockets from 1 second to about 30 seconds in eclipse. The cause seems to be that the whole library is converted each time. So basically, each time a make a modification that I want to test, I have to wait 30 seconds.
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Mar 30, 2010
How to do conditional compilation in JAVA.
something like in C, C++ :
#ifdef TRUE_CONDITION
#else
#endif
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Sep 26, 2009
Has anyone got the WikiNote from
http://code.google.com/p/apps-for-android/
What I did was:
1) Checkedout the project via apps-for-android instructions
[svn checkout http://apps-for-android.googlecode.com/svn/trunk/ apps-for-android-read-only]
2) Opened a new Android project using existing source dir [per the WikiNote direction]
3) Cleaned the project and let it rebuild
It won't build the APK though and reports compilation errors (the top level dir is flagged red in eclipse but nothing else is so I can't track down where the error supposedly is)
Java Model Exception: Java Model Status [gen [in WikiNotes] does not exist] at org.eclipse.jdt.internal.core.JavaElement.newJavaModelException(JavaElement.java:502) at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:246) at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:515) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:252) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:238) at org.eclipse.jdt.internal.core.PackageFragmentRoot.getKind(PackageFragmentRoot.java:477) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:645) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.handleAffectedChildren(PackageExplorerContentProvider.java:791) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:734) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.hand leAffectedChildren(PackageExplorerContentProvider.java:791) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:734) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.elementChanged(PackageExplorerContentProvider.java:124) at org.eclipse.jdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1557) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1547) at org.eclipse.jdt.internal.core.DeltaProcessor.firePostChangeDelta(DeltaProcessor.java:1381 at org.eclipse.jdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1357) at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1958) at org.eclipse.jdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:470) at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:313) at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1022) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:45 at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
eclipse.buildId=I20090611-1540 java.version=1.5.0_20 java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86, WS=cocoa, NL=en_US Framework arguments: -product org.eclipse.epp.package.jee.product -keyring /Users/me/.eclipse_keyring -showlocation Command-line arguments: -os macosx -ws cocoa -arch x86 -product org.eclipse.epp.package.jee.product -keyring /me/.eclipse_keyring -showlocation
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Oct 14, 2010
How to we setup scratchbox for android to do cross compilation?What type of target do we choose?
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Aug 21, 2013
I am new to android. i am try to compile android kernel 3.4.0 for HTC device.After running cross compile command,
"export CROSS_COMPILE=/home/jharvard/ndk-x86/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/arm-linux-androideabi-"
when I run make clean command "make clean && make mrproper".It shows errors,
/home/jharvard/kernel-code/linux/scripts/gcc-version.sh: line 25: arm-eabi-gcc: command not found
/home/jharvard/kernel-code/linux/scripts/gcc-version.sh: line 26: arm-eabi-gcc: command not found
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Jul 23, 2010
I have a build a android application which works fine. After that, I create a jar file from that project for other applications to use. I added the jar as external jar for other application. It can compile correctly. However, when it runs, I always get the error "Jave.lang.verifyError".
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May 20, 2010
Currently I supply a user with a URL to click on to download my j2me application. This URL includes their user id as a parameter, a servlet takes this information and dynamically creates a jad file that includes this user id , thus making the user id available to the j2me app.
However, I am now using j2me polish to compile my program and thus have the compiled .apk for this same program. However, I cannot work out how to make this information accessible to the the compiled program as there is no jad / jar mechanism. The information is only available at the time of download.
Any suggestions gratefully received! (is this even possible in an android application?)
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Oct 5, 2011
I've an error sntax on my 'else' in this if-else statement.
source code:
//click on one of chapters
list.setOnItemClickListener(new OnItemClickListener()
{
public void onItemClick(AdapterView<?> parent, View view, int position, long id)
{
String item = ((TextView)view).getText().toString();
//Choose Chapter 1
[code]....
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May 16, 2013
I decompile an apk (an ordinary TSF Shell theme) without any problem but when it comes to recompiling. Its always the same error. Trying this for a week with apktool, tickle my android and with apk multi tool. When I send my decompiled files to my friends they can compile it but on my computer at home or at work I get the same error forever. I have Windows 7 Ultimate 64 bit installed. You can see installed java version on the code.
Code:
|16.05.2013 -- 23:22:52,12|
--------------------------------------------------------------------------
java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
[code]......
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Apr 6, 2012
Shell script for compiling a kernel that i could use?
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Sep 21, 2010
Is there a thread or section with a compilation of all themes available for the Incredible?
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Apr 30, 2014
Got the following errors after compilation Hammerhead AOSP with "make otapackaage -j4":
target Java: core (out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes)
javac: target release 1.5 conflicts with default source release 1.7
make: *** [out/host/common/obj/JAVA_LIBRARIES/dumpkey_intermediates/javalib.jar] Error 41
make: *** Waiting for unfinished jobs....
javac: target release 1.5 conflicts with default source release 1.7
make: *** [out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes-full-debug.jar] Error 41
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Jun 22, 2010
I want to get started with an Android application but can't download the plug-in.
Anyone know where else I can get this?
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Jan 30, 2009
I can't seem to get anything back from https://dl-ssl.google.com/android/eclipse/ - even accessing from a browser just gives a 404.
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Aug 26, 2010
I got my x on launch day no root no 2.2 all stock .well i've been noticing its getting slower don't have much installed only about 10 apps. The browser will start and then stop when u tell it to go somewere then after a dew sec it takes back off. Text message when u bring it up it takes about 10 sec to load then another lag to start typing and there wont be any old messages in box and when they do finally come up u can't scroll threw the old ones.
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Sep 20, 2010
I've got a Nexus One running a debug version of my application, and I just today downloaded and installed the 0.9.8 version of the SDK tools, and I swear that Debugging latency has increased incredibly. I never bothered to measure the overhead before the upgrade because I always found the phone's debugging overhead to be small enough to not affect matter. Well, now I have AI code which runs at ~10 MS standalone taking 300-400MS through debugging. A 40X performance loss is not something to cough at. Is it just me not seeing the performance loss previously, or has something broken?
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Oct 22, 2009
I'm trying to perform a simple animation, but it seems quite choppy. This is it: Animation anim = new Translate Animation(0,0,-50,0); anim.set Duration(500); anim.setInterpolator(new LinearInterpolator()); myLinearLayout.set Animation(anim);the animation does what it's supposed to do, just very choppy - is there any reason why it's so slow? The linear layout I'm applying it to is pretty simple, just has a few children.
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Oct 31, 2010
We use Opengl 2.0 to develop a video programmer on android with nexus one. We find that the fiction glTexImage2D is too slow,but we write a shader programmer accord to the sample GL2JNILib. I guess the GPU is not working, why it happened? how to fix it? Code...
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Aug 11, 2009
I've followed the excellent article on game development here: http://www.rbgrn.net/content/54-getting-started-android-game-development, and started my game based on the Lunar Lander example. The Lander example re-draws the background and everything else on each "tick". I basically followed its example and I'm using my game's background image to essentially "clear" the canvas so that I can re-draw everything from a clean slate. This, as I've found, has a negative impact on performance as my game is beginning to slow down. My question is, what's the best way to optimize this? If I want to "clear" only certain parts of my canvas, how do I do that? I've read the documentation for android.graphics.Canvas, but am getting confused by a lot of jargon I don't understand such as "clip" and "matrix".
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