Android :: Implement Multithreading In Droid Application So As To Increase Responsiveness Of UI?

Jun 2, 2010

How to implement Multithreading in Android application so as to increase responsiveness of UI. ?

Android :: Implement Multithreading in droid application so as to increase responsiveness of UI?


Sony Ericsson Xperia X10 :: Camera Responsiveness / Way To Fix Application?

Aug 7, 2010

Eight Issue Camera responsiveness, is there a way to fix this app or will it be glitch until the update and/or even after the update? Is it just my phone or every time I attempt to take a picture it takes quite sometime after I take the picture the actual moment the picture is captured? not to mention the lag between pictures, the lack of burst mode, and another thing that is quite annoying why does the image in the camera gets so DARK when you press the camera button to focus? the image on the screen should represent the actual photo your capturing not some dark version of it one or two seconds after you click/touch the screen to capture the picture.

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Android :: Implement MultiAutoCompeleteTextView Like Droid Default SMS Application?

Oct 11, 2010

I am working on a Free SMS sending application for a website and for this I need to implement the MultiAutoCompeleteTextView like Default Message Application as shown in screen shot below!

I had already implemented this feature in my application but it is slightly different and look like:

The Following code ...

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Android :: Implement Credit Card Payment In Droid Application?

Aug 25, 2010

I have android application. I want to accept payments in this application for some services. But unfortunately I can't find solution how to provide credit card(VISA, Master Card, etc.) payment inside android app.

Can somebody help me with this? Any sample how to accept payments with any payment-getaway like authorize.net?

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Android :: Implement A Secure Application To Block Internet On Droid In Roaming?

Apr 23, 2010

I need to develop an application that will check whether the phone is in roaming. If it's in roaming then the application should block internet for all applications except several from white list. In non-roaming mode it should allow all requests. There should be no way for user to kill or suspend the application or turn internet on.
I'm not familiar with android much so I really don't know whether it possible to implement without modification of OS. Is there any way to do this?

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HTC Droid Eris :: 2.1 Touchscreen Responsiveness

Mar 4, 2010

Is anyone else having issues with the responsiveness of the touchscreen after updating to 2.1? It seems to have lost some accuracy on touch detection and I find myself having to select things twice sometimes before it registers my touch.

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Android NDK - Multithreading Slowing Down Rendering?

Mar 26, 2014

I have an Android app with a C++ library which uses pthreads to break down rendering tasks. This is for devices running Android 4+.

Lets say I have a 100 x 100 array of elements into which I repetitively do CPU-intensive processing. Currently I'm breaking the array up into four 25 x 100 element chunks and handing it off to four Posix threads (from a pool of stalled, pre-created threads). This gives an almost 4x speed increase on iOS and desktop Mac but slower results than single-threading under Android.

So the same code is used successfully to speed up the app on iOS or desktop Mac but in Android it often makes it even slower. I have done some tests on it and only quite big junks of data speed up when using multi threading. If the whole process (all threads) takes around 2 seconds or more it will speed up in multi threading mode but if it is less (say only takes about 400ms) it will be either the same speed or slower than just calling the rendering function normally. Which could point to thread switching being really slow. The bigger the processing tasks, the more they profit from multithreading. My tasks are usually not as big, but not fast enough in single threading mode.

I have also noticed that on ARM builds the speed difference between slower multi threading and the faster single threading is quite significant (almost twice as fast in multi threading rather than single threading) whereas on x86 builds the multi and single threaded versions will run at about the same speed as single threading on ARM builds. So x86 builds do not get slower on multithreading but also not faster.

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HTC Droid Eris :: Faster - Bigger SD Cards - Responsiveness

Dec 30, 2009

Being new to the Eris and smartphones in general, I apologize in advance if I've missed something common-knowledge...

Today I got a 16GB Class 6 SD card in the mail, one to both max out storage and to settle a hunch -- that the class of card (i/o speed) would noticeably affect how the Eris responded. Class 6 cards are about 30 - 50% more cash than Class 2, but triple the rated write speed. Just happened to find one cheap enough to try it out...

Wow. Not only has everything from the pattern unlock screen to the browser become far more responsive, but the stutter for actions in the Sense UI is gone.

Now, for the circumstances... formatted the new card and copied the entire old card's contents onto it w/USB & my desktop. Added another 2GB of music while mounted... still slick. Mind you, tasks themselves don't happen any faster... just the delay between them I'd gotten used to, vanished...

Am I missing something? I'd hate to get anyone's hopes up, if this is just something that only resembles a performance tweak. Either the system or software use SD memory more than I'm aware, or this is all in my head. All I can say for certain is that my Eris is much nicer to use now.

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Android :: Multithreading And Progress Dialog With Remote Service

Apr 28, 2010

I like to do some long running initializing work in a remote service, and during that, a progress dialog shall be shown. So basicly, I invoke ProgressDialog.show, run a oneway method of the service with a callback to be invoked when it's finished, and in the callback dismiss the dialog. I expected the service method to work in it's own process while the activity shows the progress dialog. But what happens instead (according to debugger and logs) is: ProgressDialog.show and service method invocation return immediately, then the service method is processed, and finally the progress dialog is shown for a few milliseconds right before it's dismissed. Even a "not responding" error might occur during that. If I invoke the service method in an own thread, which (as it's to be expected) is finished long before the service method is done, everything works fine. But I don't get why this is necessary. Why does a remote service method block the Activity thread? This even happens if the service method only does a Handler.post and returns immediately.

Simplyfied code overview: Activity: public void onStart() { startService(...); bindService(...);}

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Android :: General Direction For Bluetooth SPP App With Multiple UI Activities - Multithreading - Handlers)

Sep 15, 2010

I am writing an Application that has multiple layouts with buttons. I have set up onClickListners for the buttons. Some buttons will change the activity and bring up a new layout with new buttons, and others will send outgoing SPP strings over Bluetooth. The strings will be defined in an XML file and will not change (serial commands).I can hard code the MAC address of the Bluetooth Server and only need to send data, not receive.

I am looking for some general guidance on the direction to go as far as setting up my Bluetooth connection and outgoing transmissions. I have looked at the BluetoothChat example extensively but do not have any good resources in the case of multiple activities.

-Do I use a separate activity to manage all Bluetooth transmissions and connections and create handlers for every case where I would send a Bluetooth message?

-Should I add Bluetooth connection+transmission threads in every activity (seems like i would run into issues losing the connection when changing activities)?

-Can I use handlers that are not class specific where the BluetoothService Activity could send whatever was prompted by the active/current activity?

-Could I just hard code all strings to be sent in the BluetoothService Activity and the UI activity could prompt the BluetoothService Activity to send the requested string based on the button click?

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Android :: Way To Implement Chatting Application?

Mar 20, 2010

i am developing one chat form in my apps displaying the chats i was taken linear layout but i need to refresh that chat MSG every 5 seconds for that i am using timer.while dynamically adding it is showing getting values from db and add to layout but in gui i am not able to get those messages for that what i have to do. is there any way for chat application refreshing page .how to update the values to layout in android .pl it's very urgent to me.

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Android :: How To Implement Profiles In Application?

Mar 30, 2010

I'm coding an app that uses configurable profiles for different user preferences: many different users will use the same app on the same device. The problem is that I can't use Android's Preference Activity because it just support one user per application. Is there an easy way to generate the user interface for configuration, or I have to code everything from 0, including the user interface?

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Android :: Possible To Implement An Application As A Web Service?

Jul 7, 2010

Is it possible implement an Android application as a web service? On the official site I've read:

Note: If you want to develop a server-side application, we recommend that you implement your application as a servlet running in a servlet engine like Tomcat or full-blown JSEE container like Geronimo. If you prefer to implement a server-side application based on our HttpService, we'll assume that you know what you're doing and that you don't need help in figuring out which interceptors need to be configured.

How can I implement this? Apache TOMCAT can run on Android?

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Android :: How To Implement Chat Application

Aug 27, 2010

I am developing chat application in android...i got some exception when i run my application

CODE:............

And also getting verify exception but i checked my username and password...

CODE:.....................

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Android :: Implement Two App Widgets For An Application?

Sep 17, 2010

I am developing a Player application for a radio, I need to implement two app widget players for two radio stations individually. Can i implement two app widgets for an application.

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Android :: Better Application To Implement XML Program?

Jun 17, 2010

what is the better application to implement XML program , XML Schema please I have problem with implement XML >>>>>>>>>>>>>>>>>

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Android :: Application To Increase Media Volume?

Jul 9, 2010

Is there an app that will increase media volume beyond what the phone naturally lets you?

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Android :: Implement The Compass Function To Application

Jun 5, 2009

How can I implement the Compass function having 2 geopoints (start and destination)?

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Android : Why Application Size Increase In Market

Aug 2, 2010

I developed one application its apk file size is 1.x mb.i uploaded apps into android market. when i check application on market it's size 2.x.why my application size is increase on android market. is there any possibility to reduce the size of apps on android market.

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Android :: Implement An Application Similar To Google Maps?

Sep 18, 2009

I have a couple of images on available to my program. They are parts of jigsaw puzzle (with rectangular pieces though). I wanted the look and feel similar to that of google maps in android.

One way I could implement was to create a set of ImageViews and keep recycling them, as the user pans the image in any direction. However, to me that appears like a brute force method. Is there any alternative approach to implement such kind of application? Or rather how is google maps implemented? A set of Imageviews ?

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Android : How Is A 3G Phone Assigned An Ip Address - Implement A P2p Application

Dec 9, 2009

I'm wondering how is a 3g phone is assigned an ip address? is it like adsl? or is it like an inner network (Network Address Translation )? if i want to implement a p2p application, i need to dig hole on the inner network right?

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Android :: Retrieve Message ID To Implement In Program For Twitter Application?

Sep 6, 2010

what is Message ID and how to retrieve that ID to implement in program for twitter application

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Android :: Application Implement Built In Quick Search Button

Oct 18, 2009

I've been trying to make my app implement the built in quick search, similar to how it is done in ApiDemos' "app/search/invoke search". I have tried everything from trying to follow different examples, to copying the code exactly as it is in ApiDemos. All I've found for the former have been concerned with older versions of the SDK, and simply not worked. As for the stuff that I can actually run and see working in ApiDemos, I've tried copying the following

com.example.android.apis.app.SearchInvoke.java
com.example.android.apis.app.SearchQueryResults.java
com.example.android.apis.app.SearchSuggestionSampleProvider.java
res/layout/search_invoke.xml res/layout/search_query_results.xml
res/values/arrays.xml res/values/strings.xml res/xml/searchable.xml
And everything under "Search Samples" in AndroidManifest.xml

This copying gets me a view that looks exactly like the one I'm facing when running ApiDemos, but when I click the search button, in the quick search box, Android always just opens up a browser window, with Google search results for the given query. I simply cannot find the critical component in ApiDemos that tells android that I want to use my own custom code for handling the search request. Both documentation and other online resources seem very lacking when it comes to this.

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Android : Application - Or Method - Can Increase The Display Size For All Other Apps

Mar 2, 2010

Looking to see if there's an existing method or application to increase display size for all applications for people with bad vision.

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Android :: Sensor Listeners - Threads And Responsiveness

Jun 24, 2010

I have two questions about sensor listeners

1. from which thread are sensor values updated and should this be synchronized? can sensor's listener callback be a good place to call custom's view onDraw method? as this should be done from different thread. I cant find anything about it. In another words my problem is that I want to listen to sensors change and draw something on view surface but I dont know which thread (the main thread of the application?) is updating sensor's state

2. If I register sensor listener with SENSOR_DELAY_FASTEST my application is not responsive at all! Raw application with TextView only is not reacting to go back or home button! How should I deal with this or am I doing something wrong?

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Android :: Will Threaded Resource Loading Improve Throughput - Or Just Responsiveness

Oct 13, 2010

Are there any Android phones that are multi-processor (multi-core/ cpu), where application threads execute concurrently on different processors?

There doesn't seem to be any explicit way of doing asynchronous file I/ O or asynchronous resource loading. So, suppose I put BitmapFactory.decodeResource() or Resources.openRawResource() into a separate thread. Will those methods play nice with the other threads, yielding during blocking I/O operations so those other threads can run?

If those methods rely on the thread scheduler to forcibly suspend them, then the separate resource-loading thread isn't going to help me get my application started any faster (although it will help it to be more responsive to user input).

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Sony Ericsson Xperia X10 :: Application To Increase Call Volume?

Oct 14, 2010

I recently bought a xperia x10 and i am disappointed with the IN CALL VOLUME.its low not able to hear a thing if your outsdide.is there any application to increase the call volume?

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HTC Tattoo :: Screen Responsiveness

Nov 2, 2009

I am thinking about buying this and just wanted to know from someone who has used this if the screen is very responsive. I know if may not be like the iPhone or the Hero which used "capacitive" screens, but is it responsive enough that you barely have to push down on the screen to select items? Also, would you recommend this over an unlocked HTC Magic?

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HTC EVO 4G :: Screen Responsiveness - Incredible

Jun 8, 2010

Some people over a PPCGeeks are encountering some of the same screen responsiveness issues that Incredible users were seeing (non-responsive touch screen when phone is on non-conductive surfaces). I have experienced this myself when my phone is in the car dock and when it is laying on plastic or fabric. On my phone, it seems to only be on the top half of the screen.

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General :: How Do Running Services Effect Battery Life And Responsiveness

May 8, 2013

I have been using HTC Desire S for about 2 yrs now, but since I am not a power user, I just use it as it came. Now considering to root it and was looking more closely at things and I see there are many services running in the background under "Running".

I don't know the inner workings of Android system, so would like to know if more services are running (especially from apps which I don't regularly use) then does it effect battery life and does it make the phone slower ?

For example under Calendar, 4 services are running - AutoSettingService, ImmediateModeService, DashboardService,ConnecttoPcService.

Google Maps has TrafficAppWidgetUpdateService and PrefetcherService ( I rarely use Google maps because I use offline rmaps)

Another thing is I have a prepaid connection without a data plan so I would like to control which apps connect to the net when i switch on 3G - i mean I would prefer if only the app which I want to use the data should use it, while others should not.

And there are some things taking data, which i don't really understand - but since they are related to Android system I am not sure whether to try to restrict them (Android System, HTC Function test, HTC Checkin service, Settings storage, VPN, Status bar, Bluetooth, Google backpp transport, etc, Phone, Dialer Storage, SIM toolkit)

Any general idea about these services - battery and network usage and effect on responsiveness ?

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