Performance is characterized by the amount of useful work accomplished by a computer system compared to the time and resources used (Wikipedia).

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3answers
7k views

How to make rooted android phone faster and avoid battery drain

I have rooted by Samsung S dous s7562 (645 RAM single core 1ghz processor)phone using Kingo Android root desktop App. I decided to root my phone as it was very slow . I have already done the ...
0
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0answers
6 views

Casino slots with lightweight fancy animations [on hold]

I need to implement a slots app like this https://play.google.com/store/apps/details?id=com.luckyperson.magicforest2 and started to look at Android development resources 3 days ago, after 2 years ...
7
votes
2answers
4k views

How to make camera start faster

Everyone knows that start Android camera sometimes is a pain, specially if you wish to take a picture of something that lasts only some seconds. What I want to know is: is there a way or an app that ...
0
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1answer
841 views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
3
votes
1answer
1k views

Android 4.0.3 sluggish: nandd process hogging CPU

I have an Allwinner A10 tablet clone. While working the tablet "freezes" regularly but not too frequently for a strech of time between 2 and 15 seconds. Described differently: the tablet is useable ...
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0answers
10 views

Flops per watt for smartphones [closed]

I am looking for some figures on typical flops per watt for smartphones. Anybody know any good references for this?
3
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4answers
16k views

Are there any downsides or risks to limiting background processes?

I enabled developer options on my Samsung Galaxy Grand Duos and then changed "Limit background process" option from Standard limit to No background process. After that my phone is working fine, with ...
0
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1answer
7 views

Touch lags in all apps, except keyboard

I've noticed a delay of about a quarter of a second between tapping the screen and the app responding. Thud happens in all apps - it's most obvious in the game "aa", a fast, reflex-based game which is ...
0
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1answer
47 views

Android Low Memory: How to do factory reset of my phone when it won't open anything

My Android phone is constantly giving me a "Low Memory" error on the top of the screen. I would like to uninstall intensive apps or even do a factory reset (following online tutorials), but even if I ...
0
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1answer
44 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
1
vote
1answer
70 views

How can I maintain stable/smooth performance permanently on a Nexus 7 2012 (wifi) [grouper/nakasi]?

After a day to a few days, the n7's performance will degrade sharply to the point where a reboot is necessary for the device to function properly. I've tried numerous ROMs, a few kernels, tweaking ...
9
votes
5answers
25k views

Why is my phone slow?

My phone has lately been really slow. When I turn on the screen, particularly if it has been off for a while, the phone is really sluggish. For example, it might take 30 seconds to respond to my ...
0
votes
1answer
81 views

Is kernel samepage merging safe?

In the performance section of android 4.4.4 Oneplus one i saw kernel samepage merging . i want to know is it safe ? as when i entered the performance section it gave warning that these setting are ...
1
vote
1answer
1k views

Dialer is very slow between dialing the number and getting into the call: spinning wheel for 5-10 seconds

I have a Nexus 4 with CM (latest version). For the last few months whenever I dial a number it takes anywhere from 5-10 seconds for the actual call to start. I checked Android SE and didn't find ...
0
votes
0answers
10 views

Messaging doesn't scale well

About a year into owning each Android, my messaging starts to slow to a crawl. 10 second hangs, etc... This has happened with every messaging app I've ever used. My first question is: What causes ...
0
votes
4answers
10k views

very slow performance of Galaxy Grand 4.2.2

After the new update of 4.2.2 on Feb 6,2014 my phone performs very very slow.. cant even run a single application.. cant even pick up the call as the screen remains blank... Smart phone has become ...
1
vote
0answers
73 views

Text messaging so slow it is nearly unusable

I have a Galaxy S5 running 4.4.2. I am trying to send a text message to a certain contact. When I select their name from the list of messages, there is a 30 second delay. While typing, sometimes ...
0
votes
1answer
6k views

Sony Xperia E1 D2005 Custom Recovery&CustomROM Flashing?

I want to flash a custom ROM and install custom recovery; but when I enter ROMmanager (my device is rooted) and try to install CRW or TWRP it says "custom recovery does not support D2005 (sony xperia ...
4
votes
3answers
23k views

Why does my Android device slow down after successive ROM updates without wiping?

I have a 32 GB Verizon Galaxy Nexus (toro). I am running Cyanogenmod 10.1 ROM nightlies and I use CyanDelta Updater to stay up to date. For a period of about 3 weeks, I updated to the latest nightly ...
33
votes
4answers
112k views

My device is getting slow, apps start misbehaving/crashing. What can I do?

Everything was working fine for a long time. But suddenly the device is getting slower than usual (e.g. apps react slowly when starting an action -- like the RSS reader takes "ages" to open an ...
0
votes
0answers
32 views

Motorola Droid 3 slows down after 2 years

I was using Motorola Droid 3 for about 2 years and when I just bought it, it was very fast and worked without any lags. Now it is very slow, although it is running MiniMoto firmware instead of stock ...
2
votes
0answers
11k views

Android on Samsung Galaxy Duos is too slow [closed]

I've bought a Samsung Galaxy Duos GT-S7562 with Android 4.0.4 3 months ago. The phone is so slow and getting slower by the ay, it has become almost useless. For instance, to look up and call a contact ...
0
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0answers
62 views

create intentionally high cpu load with ADB command

I am testing my app for its performance under load. I would like to observe my app running with a minimum of other processes running and then while it is competing with other processes for CPU. is ...
6
votes
4answers
43k views

Change the speed of games in Android / SpeedHack for Android

Is there a way to slow down / speed up the actual game speed? For Windows PC, there is the Cheat Engine SpeedHack that does it nicely. Is there anything (requiring root or not) to achieve similar ...
1
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0answers
149 views

What can be possibly slowing down my phone? [closed]

I currently have a Samsung Galaxy S3. As the title says, the phone has slowed quite a bit. And by a bit I mean a lot. It has gotten to a point where sometimes I cannot even unlock the screen because ...
2
votes
1answer
4k views

sluggish performance due to mmcqd CPU usage

I have an older Droid Incredible running Cyanogenmod 7.2. Recently, I've noticed some sluggishness on the phone that doesn't seem limited to a single app. The CPU Usage Plus app (which I think just ...
0
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1answer
109 views

Moto G 2014: Maximum upload speed?

According to specs the 2nd gen. Moto G has network support for: GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+ up to 21 Mbps (850, 1700 (AWS), 1900 MHz) What's the actual maximum upload speed?
0
votes
1answer
90 views

Video and game lags after rooting S3

I recently rooted my phone, and am now using Paranoid and I love it. However, whenever I play videos and games it lags really noticeably. This never happened before I rooted my phone. I'm using ...
0
votes
0answers
395 views

Slow home screen load, applications restarting

The problem has a few symptoms. 1) Whenever I return to the home screen it takes a few seconds to redraw. 2) Most applications restart when I switch back and forth between them. 3) If I go to the ...
1
vote
1answer
2k views

Improve scrolling lag in Android

I am not referring to the App opening/closing animations (that can be modified in the launcher or the Developer Options changing the animation scale) but the actual scrolling of websites, webviews, ...
1
vote
1answer
4k views

Samsung Note 2 slow down

I find my note 2 is getting slower and slower after using it for 1 year. Is there anything I can do to make my phone run normally/faster. It looks like the memory is approaching to the max usage. Is ...
0
votes
1answer
63 views

Impact of android version on phone performance

I pondering whether I should upgrade my Android system, or stick to my current one. Is there any reference website that would list Android devices and see how different Android versions compare in ...
2
votes
2answers
36 views

Apps spamming my log

I've been looking at my log recently for more development of android applications, and I've noticed my log is spammed with all sorts of information that I wouldn't considered needed to be logged. ...
1
vote
0answers
144 views

Analyse performance / profile Android System? Why is the system slow?

My Android 4.2.1 tablet is slow, it wasn’t when purchased. As the reason is often the software, I was looking for a tool to analyse the performance of the whole system, but couldn’t find any. What I ...
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votes
1answer
75 views

Can i read the RAM and CPU usage of other applications-Android

I want to know whether is it possible to monitor the CPU, RAM, Network and Battery usage of each and every application installed in my device through my application dynamically? Does Android's ...
19
votes
5answers
9k views

Does moving apps to the SD card negatively affect performance?

Does moving an application to the SD card negatively influence I/O performance of the app or of Android in any way, in particular loading times?
0
votes
1answer
590 views

Sony Reader PRS-T1 becomes unresponsive

My Sony Reader PRS-T1 based on Android 2.2 is acting funny. I had rooted it in the past but is now in the "original" state, upgraded with the latest official firmware. The problem is that many ...
0
votes
0answers
775 views

Very specific Asus MeMO Pad HD 7 Wi-Fi problem

I've got a fairly odd problem and have not been able to find a solution for months... I have n Asus MeMO pad HD 7 (ME173X) running Android 4.2.2 which usually does just fine connecting to Wi-fi to ...
0
votes
0answers
125 views

Android extremely slow when USB Debugging

Whenever my android device is plugged into my computer with USB Debugging enabled, it (the entire device: all apps, etc.) becomes extremely slow. I need USB Debugging enabled to install and debug ...
1
vote
2answers
524 views

Will installing Cyanogenmod speed up my Galaxy S?

I recently purchased a used Samsung Galaxy S Captivate. While it seems fine for my purposes, it would be nice if it were just a bit faster, in terms of loading different pages more quickly. From what ...
4
votes
2answers
469 views

Do apps that claim to increase SD card performance really work? Strain on card?

I was recommended an app today that supposedly increases the r/w cache on the SD card. By default it's set to 128kb. I'd imagine this works in a similar fashion to a BufferedReader (in java). My ...
0
votes
0answers
72 views

Does Android indeed need defragment?

I have recently format(not just wiping) userdata partition on Note 2 N7100 and Tab 7.7 P6800. I also restore /data using nandroid and restore internal sdcard by manually copying files. I notice that ...
2
votes
0answers
339 views

LG G2 getting sluggier by the day

I'm not sure if this is specific to this model or not, but I am having troubles understanding how four cores of over 2GHz can perform so miserably slow. During the last few days, it's gotten to the ...
0
votes
1answer
172 views

How to meausre GPU performance in different Custom ROMs

I plan to compare the GPU performance of different GPU powerscale policies. GPU powerscale policies are found under /drivers/msm/gpu/msm[or any other chipset name]/kgsl_pwrscale_XXXX.c under the ...
0
votes
1answer
307 views

How to uninstall Android upgrade

I was asked by my Galaxy Grand to update. It was a 608 MB build update. After done , now I got Android Jelly-bean 4.2.2 . It is making my phone very slow and uses too much phone memory. Want to ...
0
votes
1answer
124 views

Developing applications under Cyanogenmod? How compatible to vanila Android? (Nexus devices)

If I am to develop (and test) my application under Cyanongenmod (base install, without any additional changes), how confident can I be that I would see similar performance of my application on the ...
0
votes
1answer
49 views

Poor Performance at Low Battery

I'm having an issue where my phone gets sluggish and non-responsive when the battery level gets to around 35% or less. Apps will freeze, it will take the keyboard a long time to appear, and the ...
0
votes
0answers
66 views

phone becomes extremely slow when internal storage usage reaches around 50%

I flashed my android phone many times recently using odin, my phone is a Galaxy Grand Duos. Then I finally got it working. but I found the problem as described in the title. What could possibly be the ...
0
votes
1answer
225 views

why smartphones become laggey and slow with time? [duplicate]

I found a lot of info about how to make my smartphone faster but I couldn't find the reason for smartphones lowliness. I found that you should move apps to SD Card (if you have one) Don't use a lot ...
0
votes
0answers
2k views

What is filling my phone's RAM, if not apps?

My Galaxy S3 has gone from snappy to slow over the past few weeks: When I open or change apps it reacts very slowly. When the app is running that app is working fine. It resembles having too little ...