Android :: Eclipse Android SDK Slow Performance
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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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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Oct 20, 2010
my app downloads a zip with about 350 files. A mix of JPG and HTML files. The function i wrote to do it works just fine but the unzipping takes for ever. At first i thought the reason might be that writing to the sd-card is slow. but when i unzip the same zip with an other app on my phone it works much faster. is there anything that i could do to optimize it?
here is the code:.................
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Jun 1, 2010
I am facing the following problem: I have a big list of street names(~2000 entries), which is stored as a variable. I have an AutoCompleteTextView which should complete the names. The process takes really long time(approx. 2 - 3 seconds) to complete the suggestion. Is there any way to speed this up? I am pasting my code, if this is necessary:The getStreetsData() method simply returns the static list of the names.
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Sep 29, 2010
A while back I mentioned that running the imported p2p codebase I have on the emulator (on a fairly powerful laptop with plenty of mem and a fast processor) was pretty slow. I blamed all that on the codebase and in fact I was able to profile it and make it much lighter. Well still the overall app performance is slow --- and I am finding that most apps I run on the emulator are fairly slow. Is this a common trend? I do expect emulators, who are by no means a real device, to have such processing delays but are they in general this slow? Any metrics or any other feedback from anyone that depict the factor of slowdowns you would expect on an emulator vs the real device? I know a lot of this are machine dependent as well but consider an idle powerful machine. And regarding memory - I am loading Eclipse with close to 1G to be able to run the emulator and its basic services - is that normal?
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Sep 16, 2009
I want to make a tile based game for android. At the moment I am drawing each tile as a separate bitmap. I have a big for loop that reads from a string and draws different tiles depending on what character it finds to draw the level. I have allowed the user to scroll the screen using scrolling gestures. However the game is too slow. It takes a long time to update the screen after the user scrolls. I presume this is because it has to draw each tile's bitmap individually. What would be a faster way to draw the level? I was thinking I could merge all the tiles into one bitmap. But I don't know how to do this.
Anyway here is my code so you can see the problem:
package org.example.tutorial2d;
import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.GestureDetector.OnGestureListener;
import org.example.tutorial2d.Panel;
public class Tutorial2D extends Activity implements OnGestureListener {
GestureDetector gestureScanner; Panel main;
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
gestureScanner = new GestureDetector(this);
//requestWindowFeature(Window.FEATURE_NO_TITLE);
main = new Panel(this); setContentView(main); }
@Override public boolean onTouchEvent(MotionEvent me) {
return gestureScanner.onTouchEvent(me); }
@Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
main.handleScroll(distanceX,distanceY); return true; }
@Override public boolean onDown(MotionEvent e) { return true;
} @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { return true;
} @Override public void onLongPress(MotionEvent e){
} @Override public void onShowPress(MotionEvent e) {
} @Override public boolean onSingleTapUp(MotionEvent e) { return true; } }
And the class that does all the work:
package org.example.tutorial2d;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.view.View;
import org.example.tutorial2d.Point;
public class Panel extends View {
private int scrollX = 0; private int scrollY = 0;
public Panel(Context context) { super(context);
} @Override public void onDraw(Canvas canvas) {
/*Bitmap scratch; //Drawable scratch;
//scratch = getContext().getResources().getDrawable(
// R.drawable.icon); canvas.drawColor(Color.BLACK);
//scratch.draw(canvas); int origin = 0;
scratch = BitmapFactory.decodeResource(getResources(), R.drawable.horizontal5);
canvas.drawBitmap(scratch, origin, origin, null);
int width = scratch.getWidth(); int height = scratch.getHeight();
scratch = BitmapFactory.decodeResource(getResources(), R.drawable.room4entrynesw3x3);
canvas.drawBitmap(scratch, origin + width, origin - 32, null);
[Code]
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Sep 13, 2009
I have notices following:
If I have a project with minimum files in res folder, the project saves quickly, compiles quickly and launches quickly. But if I have a lot of resources, my project is saving, compiling and launching during relatively long period of time. This is really frustrating if you do some minor UI updates, and you have always wait Eclipse to generate R file etc.
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Mar 18, 2010
Just got my N1 upgraded to unlimited web use through 3. Had to set up the APN. Did that in work and looked forward to `consuming` on the train journey home.
How cheesed off was I when I got diddly squat in the way of speed and function from the network?!
Endomondo - did not work, no maps
Google maps - never registered my position
Web - realllly slow to load anything
GPS tester - only found one or 2 satellites nd never made proper contact
Anyone else got an N1 with Three? Performace pants? Any other networks just as bad?
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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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Oct 26, 2010
I'm rooted running CM6, have been for awhile. I was just recently installing last.fm and I guess I pressed something that caused my phone to slow way down, pretty much froze up, so I rebooted it. It booted all the way up and then rebooted itself again and now it won't go passed the white htc screen.
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Nov 29, 2010
i've found that my x10 really disappointed me even after updated.. still alot of bugs! and so slow~==... that really irritates me alot... SE pls do something to improve the phone as i can see the specification of this phone is really good just that the software sucks. and this phone is not cheap at all. cost me almost like the price of an iphone
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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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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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Sep 16, 2013
I have upgraded my Galaxy Grand Duos I-9082 from Jelly bean 4.1.2 to 4.2.2 and the phone hangs randomly. on 4.1.2 it was working truly commendable.
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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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May 23, 2010
I'm looking into writing an Android game, tough I don't curerntly own an Android device. For those of you who own a device, how does the performance on the emulator relate to real device performance? I'm especially interested in graphics related tasks.This obviously depends on both the machine running the emulator, and the specific device in question, but I'm talking rough numbers here.This question is a duplicate, but since that post is heavily outdated, I figured it's irrelevant by now.
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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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Feb 20, 2010
Motorola CLIQ Over-the-Air Update
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
February 19 Update
The over-the-air update for the Motorola CLIQ has been delayed to the week of February 22. An updated article will be available once a date has been determined.
On February 18, Motorola will begin sending over-the-air (OTA) software updates to Motorola CLIQ customers. The software update will improve device performance and resolve several known issues.
Improved Performance:
Improved battery life
Improved software performance and stability
Improved widget response
Decreased Force Close error messages
New Manage SIM Card application
Support of .WMA and .WAV media files
Removal of the imeem mobile application
Known Issues Resolved:
Accessories & Bluetooth
Error: 'Unable to pair' or 'Unable to connect to device'
Call functions
Can activate other functions while listening to visual voicemail
Call not ended by pressing the End key
Speakerphone turns on unexpectedly when answer incoming call
Plays ringtone or vibrates while on an active call
Unable to answer incoming call using �Slide to answer� feature
Accidentally opens Dialer or makes outbound while holding device
Device hardware (battery, keys, power, screen)
Battery indicator may not display accurate battery power
Call not eded by pressing the End key
Touch screen issues
Cannot answer incoming call using the Slide to answer feature
Incorrect keys registered using on-screen keyboard
Touch display appears to have �dead spots� that are unresponsive
Accidentally selects item when trying to flick through screens or menus
Messaging
Wrong message deleted
Phone may reset when turning Wi-Fi off in area with no Wi-Fi coverage
Customers can manually download the OTA on demand by going to Settings > About Phone > System Updates. Customers do not need to wait for a notification message to download.
Action Steps
Be aware of the fixes and enhancements included in the Motorola CLIQ update.
If customers are experiencing any Known Issue that will be resolved by the software update:
Do not file a handset exchange
Advise customers that the issue will be resolved by a software update on February 18.
Important Rebate Changes
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
Customers eligible for rebates as part of new activations or upgrades must be advised they will receive their rebates in the form of a prepaid Visa card.
When customers take advantage of our new Early Upgrade or Early Upgrade Plus options, they are not eligible for upgrade rebate cards. These new upgrade options allow customers to take advantage of upgrades sooner and provide an instant discount, instead of having to wait for rebate cards.
To be eligible for an upgrade rebate card, customers must meet upgrade eligibility requirements.
Current, 1-year contracts: 11 or more active months since last discounted handset purchase.
Current, 2-year contracts: 22 or more active months since last discounted handset purchase.
Rebates on eligible purchases require contract extensions and a $9.99 or higher Data/Messaging feature.
Valid only on FlexPay plans with 1 or 2-year contracts.
Not valid for Even More Plus plans.
Active Months: The number of months in which the account has been in good standing and during which service has not been suspended.
Action Steps
Inform customers that Early Upgrade and Early Upgrade Plus are not eligible for upgrade rebate cards.
Advise customers eligible for rebates that they will receive their rebates in the form of a prepaid Visa card.
"With the purchase of your new handset, you can submit a rebate form to receive your rebate. The rebate will be in the form of a prepaid Visa card that can be used anywhere Visa is accepted. See the rebate form for additional details."
Trackball Replacement Program
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
On February 24, T-Mobile will launch a Trackball Replacement program for BlackBerry Pearl 8100/8120 and BlackBerry Curve 8320 customers that are having trackball issues. This program will be available in T-Mobile retail stores only at this time.
Action Step
Refer customers to a T-Mobile retail store after February 24 for further assistance if they come in to your location looking to complete a trackball replacement.
First Connect for Dealers
[Retail Partner Sales]
First Connect for Dealers is an exciting class designed to help on-board and prepare Retail Partners to successfully sell T-Mobile products and services and provide differentiated customer experiences. This four hour class is conducted via the T-Mobile Live Virtual Classroom and covers the following:
Welcome to T-Mobile
Who is T-Mobile?
PCC
Differentiated Handsets
Differentiated Rate Plans
Service Excellence / Selling Skills
Tools and Resources
Customer On-Boarding
The attached flyer contains dates and times for these calls as well as registration details. ADRs should educate their locations about these calls and encourage them to attend.
To successfully be able to attend the training sessions, Retail Partners should have the following:
Computers with high speed Internet connections
The ability to play and hear video segments on the computer using speakers or headset
The use of a fully charged mobile phone to hear the audio portion of the conference call
Printer access to print Participant Workbook.
Action Steps
Share the attached flyer with your locations and encourage them to attend one of the scheduled calls.
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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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Aug 16, 2010
I deleted all battery monitoring apps and stopped looking at the battery usage info 50 times a day. I did this over one week ago, and couldn't be happier. No more looking at that god awful percentage meter, no more watching in dismay as it drops, and drops, and drops. My battery performance has never been better now that I quite looking at it all day and my sanity has slowly begun to return.
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Dec 4, 2009
We acquired a Samsung Moment today, and find that it's 3D performance is very poor compared to the HTC and Motorola devices. I've tried all the tricks I know (color depths, rendering options), but can't get much out of it. Rotating a single textured quad is jerky. I understand that the Galaxy was missing a software component, and that once a surrogate was added, the 3D performance was acceptable. Does anybody have the real low-down on this issue? Specifically: * Do others also find the Moment to be a poor 3D performer? * Is there any word about Samsung fixing this? * Am I missing something obvious?
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Jun 19, 2010
I've been trying VBOs (3D) and I've seen no improvement at all on my Motorola Dext over not using VBOs.I've tried all kinds of configurations, interleaved arrays, by t buffers instead of float buffers, both direct and indirect. My question is, has anybody got any measured improvement in frames per second by using VBOs instead of exactly the same content without VBOs? If and only if so, what were your fps results? And can you therefore show me the "proper" way of doing VBOs instead of not? Has anybody else got exactly the same fps with and without VBOs?
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Sep 6, 2010
My experience is that loading websites in a WebView is much slower than performing the same actions in the Android Web Browser. I can see that all files have been loaded in my Apache log, it will take a few seconds until the page is displayed in the WebView control, however. Opening the same page in the native Web browser will result in an immediate display. It seems that rendering is somehow crippled.Which browser settings do we have to apply in order to achieve the same performance as loading the page in the native web browser?
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Dec 2, 2009
I'm experienced with openGL but not Android. I just started. I have some spinning cubes running on a Droid and I'm barely getting 30FPS. Should I be using GLSurfaceView to get the best performance or is there a better way?
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Mar 19, 2009
I am getting complaints about my app's performance and want to get to the bottom of it. I am not really sure how to use traceview for that. I'd like to sketch how I used it and maybe you can give me some advice what to to differently and what to look for in the traceview output. The case: I have a list activity that lists articles. When clicking on one of the articles another activity is started that shows the article itself. I measure from the moment onClick() is entered on the ListActivity until the moment onResume() is about to be left in the Show Article Activity. I have two cases that I measure: "Cold" means the app is running and the ListActivity is started, but the Show Article Activity has not been called yet. "Warm" means the same, but the Show Article Activity has been called before during the runtime of the app. Here are the traces:.......
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Apr 17, 2010
I have a map in my android application that shows many markers (~20-50). But the app performs very poor when i try to scroll/zoom (in Google Android Maps i did a sample search for pizza and there were also some 20-50 results found and i didn't notice any particular performance problems when zooming/scrolling through the map).
onCreate() {
....
drawable = this.getResources().getDrawable(R.drawable.marker1);
itemizedOverlay = new MyItemizedOverlay(drawable,mapView);
...
callWebServiceToRetrieveData();
createMarkers();
}..............................
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Jun 4, 2010
I read on many other topics that the Android emulator starts really slow. Indeed, it takes +15 mins to start. However, on my machine is slow even after that.The 'phone' responds with a 3-4 seconds delay and everything has a huge lag.Is there any way to improve the performance of my laptop (Asus 1201N) is too rusty for the Android emulator? Tried in different emulator resolutions and the result is the same.My laptop has 2 cores with HyperThreading. And it shows as 4 CPU in Device Manager. However, when using the emulator, just one of the graphs is at 100%. Can I do something to make it work multi core?
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