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• Which tips helped you learn touch-typing? [closed]

  - by julien

  I've been learning touch-typing for about two weeks now, and I'm really commited to mastering this skill. Eventhough I'm doing ok with prose already, I'm struggling with programming syntax and even more with keybindings. Those stray you away from the home row more than regular words, and aren't as easy to practice. So I often hunt and peck in order to just get it out, but when reverting to old habits like this, I find it hard to get back into the touch-typing mindframe quickly. One little trick that has helped me so far when getting lost is to reposition every finger on its home row key, and mentally visualize the layout bias of the keyboard, ie the backslash kind of alignment of key columns. It's hard to describe though and probably a bit weird... Hope you guys have better tips !

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• Does Ubuntu Touch consume less power than Android?

  - by Eduard Florinescu

  One of the problems of new OSs is power consumption. That is because power and performance requires a lot of tweaks and experience with the kernel, drivers and OS code-base on one hand, and a lot of extensive long-term test and quality assurance on the other hand. Given that Android is a rather old and established OS I saw that it has pretty good power consumption. Phoronix does this kind of comparissions but I was not able to find much about Ubuntu Touch. Does Ubuntu Touch consume less than Android, do you have data on some platforms compared?

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• Optimize website for touch devices

  - by gregers

  On a touch device like iPhone/iPad/Android it can be difficult to hit a small button with your finger. There is no cross-browser way to detect touch devices with CSS media queries that I know of. So I check if the browser has support for javascript touch events. Until now, other browsers haven't supported them, but the latest Google Chrome on dev channel enabled touch events (even for non touch devices). And I suspect other browser makers will follow, since laptops with touch screens are comming. This is the test I use: function isTouchDevice() { try { document.createEvent("TouchEvent"); return true; } catch (e) { return false; } } The problem is that this only tests if the browser has support for touch events, not the device. Does anyone know of The Correct[tm] way of giving touch devices better user experience? Other than sniffing user agent. Mozilla has a media query for touch devices. But I haven't seen anything like it in any other browser: https://developer.mozilla.org/En/CSS/Media_queries#-moz-touch-enabled Update: I want to avoid using a separate page/site for mobile/touch devices. The solution has to detect touch devices with object detection or similar from JavaScript, or include a custom touch-CSS without user agent sniffing! The main reason I asked, was to make sure it's not possible today, before I contact the css3 working group.

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• Emulating touch screen on Windows 8 with a Touch-Pad

  - by Akshat Mittal

  I am currently running Windows 8 Pro RTM (MSDN) and wonder if there is any way to use the touch-pad as some kind of touchscreen for it or maybe just gestures. I have a Synaptics Touch-pad, searching the internet I found some articles saying about some kind of relation between Synaptics Touch-pad and Windows 8, but I was not able to get info about how to use the gestures or something similar. Simply the question is, How can I enable Synaptics Gestures for Windows 8 or use the touch-pad as touch-screen (I know it would be a really tiny touchscreen, but I want to try) with third-party Tools or hacks?

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• Anyone know the state of cocoa#?

  - by Ira Rainey

  Having just updated Mono to 2.6.3 (on OS X), I noticed in the installer that cocoa# 0.9.5 is also installed. However using MonoDevelop there are no cocoa# project templates by default, and I was wondering if anyone knew more about creating cocoa# apps. If you goto the cocoa# page on the Mono site you can see it hasn't been updated since 2008, and cocoa-sharp.com has nothing on it at all now. Has this project fallen by the wayside? If so, does anyone know of any alternatives? Winforms apps running under X11 are butt ugly and GTK# isn't much better. To have a solid bridge between Mono and Cocoa would be ideal for developing OS X desktop apps, in the same way as the MonoTouch does with Cocoa Touch for the iPhone. Any thoughts?

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• Catch up with ‘In Touch’ on-demand

  - by rituchhibber

  We had another fantastic live broadcast of the ‘In Touch’ PartnerCast last week which covered a range of topics, updates and answered your questions live on air. The cast started with host David Callaghan, Senior Vice President EMEA Alliances and Channels, updating us on the Rebate programme and focussed on the benefits this system offers. We were then introduced to Will O’Brien, VP Alliances & Channels, UK & Ireland, and Markus Reischl, Senior Director and Sales Leader EMEA Strategic Alliances who discussed the headlines from Oracle OpenWorld from their point of view. Monia Bosetti sent in a video report discussing LMS and how this affects SI’s, which sparked studio conversation betweeen the guests and got you talking at your desks too! David also had the chance to talk with Platinmun Partner Uptime Technology, who shared their best practice and exmaples of working with Oracle to achieve great results. The studio team ended the cast answering your questions live, which had some interesting results! Like the sound of this cast? You can watch on-demand here: Make sure you keep up to date with the ‘In Touch’ series by visiting the website here.

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• Is there a way to use the OSX cocoa NSApplication method activateIgnoringOtherApps: to activate an a

  - by Michael Minerva

  This may be a dumb question but it seems like activateIgnoringOtherApps: may be the only way to activate an app using Cocoa. I have a java app that loads up a Cocoa app and I want the Cocoa app to be activated when this happens. The problem is I do not want to have to launch an intermediate app (some sort of controller) and use this app to activateIgnoringOtherApps: my other Cocoa app. Is there some way to use activateIgnoringOtherApps: to force my Cocoa app to become active?

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• phablet-flash aborting while installing Ubuntu Touch on Nexus 4

  - by Till B

  I have a Nexus 4 with Android 4.3 installed and I want to flash it to Ubuntu Touch. My system is Ubuntu 12.04, running inside a virtual machine on Mac OS 10.5.8. To use the VM, I opened an NAT bridge and forwarded port 5037 for adb, I can see the Nexus with adb and e.g. use the adb shell into it. USB ports are also forwarded to the VM. I follow these instructions to the letter. My bootloader is unlocked, just as it was described in the instructions. Now I encounter different issues, when executing sudo phablet-flash ubuntu-system --no-backup. On the first run, it got stuck in this state: INFO:phablet-flash:Decompressing partitions/recovery.img from /home/till/Downloads/phablet-flash/imageupdates/pool/device-5ba3031cb0d6fc624848266edba781e3e821b6e1e8dd21105725f0ab26077d0a.tar.xz INFO:phablet-flash:Restarting device... wait INFO:phablet-flash:Restarting device... wait complete INFO:phablet-flash:Booting /tmp/tmpMSN8bm/partitions/recovery.img < waiting for device > downloading 'boot.img'... OKAY [ 1.772s] booting... OKAY [ 0.005s] finished. total time: 1.779s INFO:phablet-flash:Waiting for recovery image to boot The following happened: around the line "INFO:phablet-flash: Restarting...", it rebooted into the bootloader. The bootloader shows only for two seconds, then the screen goes off and the phone stays off. But I do notice, that the screen is not off - it is just black, but the background light is on. If I wait long enough, phablet-flash aborts with ERROR:phablet-flash:Wait for recovery expired On the second try, I wanted to manually start the bootloader and choose "Recovery mode". Pressing "volume down+power" at first did nothing. Releasing the buttons and then pressing them again brought me into the bootloder. After choosing "Recovery mode", phablet-flash continued and after a while aborted with the following output: INFO:phablet-flash:Wait for recovery image to boot complete INFO:phablet-flash:Clearing /data and /cache INFO:phablet-flash:Pushing /home/till/Downloads/phablet-flash/imageupdates/pool/ubuntu-2b5345658b58e55207c4a4e7b6b3d8cd4f3d9a3187d2448fc9020c884234bac0.tar.xz to /cache/recovery/ failed to copy '/home/till/Downloads/phablet-flash/imageupdates/pool/ubuntu-2b5345658b58e55207c4a4e7b6b3d8cd4f3d9a3187d2448fc9020c884234bac0.tar.xz' to '/cache/recovery/': Permission denied ERROR:phablet-flash:Command 'adb push /home/till/Downloads/phablet-flash/imageupdates/pool/ubuntu-2b5345658b58e55207c4a4e7b6b3d8cd4f3d9a3187d2448fc9020c884234bac0.tar.xz /cache/recovery/' returned non-zero exit status 1 Removing directory /tmp/tmpDnbz6N Removing directory /tmp/tmpth4L6w What can I do to properly flash my phone with Ubuntu Touch? I noticed that adb does not show the phone in recovery mode: Typing adb devices, when the Nexus 4 is in recovery mode, shows the serial number and the state device, where it should show recovery. Should the phone be rooted? This is not mentioned in the instructions.

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• Error when plugging iPod Touch into MacBook

  - by Mr. Man

  Whenever I plug my iPod Touch (2nd gen) into my MacBook running Ubuntu 10.10 I get the following error: DBus error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus) It will show up in the file browser but whenever I try to mount it I get that error. EDIT: I thought that this might be because I had it plugged into a dock, but I tried plugging it in directly to the MacBook with the USB Cable and it still does not work, same error message.

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• How to get a larger root partition on Touch

  - by user319608

  I'm trying to make Touch (14.10) work as an Ubuntu server. However the root partition is only 2 GB and is insufficient for the packages I need to install. Is there any way to get more space on the root partition? Thus far I've tried: resize2fs on /dev/loop0 won't work since the kernel doesn't support online resizing and I can't unmount root (ro doesn't cut it, even with -f). Adding 2 GB to the end of /userdata/ubuntu.img works, but resize2fs on the file doesn't help.

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• Ubuntu Touch Porting - Audio

  - by user205695

  I'm currenty trying to port Ubuntu Touch to the Galaxy s4 International LTE (GI9505/ jfltexx). I've come to the point where I need to create a UCM directory but I don't know where and how I should call it. By "looking at /usr/share/alsa/ucm/apq8064-tabla-snd-card/" is the local Ubuntu PC directory or a directory on the downloaded CM meant? Same thing for "/proc/asound/cards" which should give a hint about what the directory should be called. 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xfb200000 irq 51 1 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xfb080000 irq 17 I dont think the directory should be called anything like this. Thanks for the help Robin Kertels

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• Ubuntu Touch porting: bad file tree

  - by fcole90

  I'm trying to port ubuntu touch to Samsung Galaxy S Plus but I'm finding it really difficult. The problems at first were to find a good CM rom as base, because this device is not officially supported by CM. Currently I'm using EhndroixIII but now I'm founding a lot of problems with the porting guide. In particular my file tree seems totally different from the one of the guide. For example, there is no device folder. What can I do to solve? Should I create those files? My repository is https://github.com/fcole90/utouch-sgsp.git

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• How can i find touch typing lesson for words with middle row only

  - by user1838032

  I am learning touch typing. i want practice step by step. Is there any site where i can have the options of the keys to select and then have lesson for those slected keys only. I means i select the keys from keyboard and then system prepares the lesson for only those keys with random combination. Current i want to practice keys asdf gh jkl; Now i am not able to find practice for that whole row only. i mena random combinatins

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• How to load Xmir on Ubuntu Touch Saucy

  - by jaro123

  How to load Xmir on Ubuntu 13.10 Nexus 7 tablet, unity8 + lightdm + mir, unity-system-compositor + Xorg installed. Still getting message above after system reboot in the /var/log/Xorg.0.log : [ 81.542] (II) "glx" will be loaded by default. [ 81.542] (WW) "xmir" is not to be loaded by default. Skipping. [ 81.542] (II) LoadModule: "dri2" Thanks Note: No, this question is not duplicate with How to load Xmir on Ubuntu 13.10 because. My note that this do not work on Ubuntu Touch Saucy + Nexus7 tablet was removed by fossfreedom. I do feel it duplicate also, but this moderator issue. There is no chance to response on equal topic, even when it is not obviously solving the problem. I do consider this confusing and causing incomplete answers.

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• Problem installing ubuntu touch on galaxy nexus

  - by Francesco

  I've installed ubuntu touch on my galaxy nexus following the tutorial on the official site. However the latter is not so clear.. In particular, during the installation, user action on the phone is requested and not documented on the tutorial: 1) The phone asked me whether rebooting, wiping the cache or something else (i did nothing and the phone rebooted) 2) The phone asked me whether replacing or not cmw (or something similar). I asked no.. After the installation all seemed to work correctly. However after shutting down the phone can't power on anymore... When I push the power button the battery icon appears, showing that the battery is completely charged. What am I supposed to do?

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• Enabling Multi-touch features of the Apple Magic Mouse on Ubuntu 12.04

  - by Martin

  I want to write a simple app that uses Apple's Magic Trackpad, nothing special, just so that it recognizes atleast one gesture. The thing is, Ubuntu itself doesnt really recognize this device. I'm using Ubuntu 12.04 and by default the device works with 1 finger, but without tap-click or doubletap, 3 fingers move the window and 3 finger spread makes it fullscreen. I managed to enable 2 finger scrolling with "xinput set-prop 8 'Two-Finger Scrolling' 1 1", but thats about it. No other gestures work, ginn doesnt start, giesview detects the device but doesnt respond to any of the gestures, and touchegg doesnt start either. I tried example apps from qt that come with ubuntu but they dont work. So... what do i do? i tried using qt but all i get from the app is "Got touch without getting TouchBegin for id XX" what else can i use to get my app to work with multitouch devices?

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• Is it possible to get dragging working on a Macbook multi-touch touch pad?

  - by lhahne

  I have a Macbook 5,1. That is to say that it is the only 13 inch aluminium Macbook as the later revisions were renamed Macbook Pro. Two-finger scrolling seems to work fine but dragging doesn't work. In OsX this works so that you point an object, click and keep your finger pressed on the touch pad while slide another finger to move the cursor. This causes weird and undefined behavior in Ubuntu as it seems the driver doesn't recognize this as dragging. Any ideas?

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• Ubuntu touch on Nexus 4

  - by Dr. aNdRO

  I have finally managed to install the ubuntu touch on my nexus 4. Now the problem is its very Laggy. I have installed the "trusty" latest channel and its quite messy. Change background is not working. Dialer is really slow and everything is messed up. But I have seen many videos of nexus 4 and everything is working smoothly. So do I have to change to or pick any specific channel for installation? Please tell me is their any stable and properly working channel which I should choose for installation or what should I do?

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• openGL ES - change the render mode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY on touch

  - by Sid

  i want to change the rendermode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY when i touch the screen. WHAT i Need : Initially the object should be stationary. after touching the screen, it should move automatically. The motion of my object is a projectile motion ans it is working fine. what i get : Force close and a NULL pointer exception. My code : public class BallThrowGLSurfaceView extends GLSurfaceView{ MyRender _renderObj; Context context; GLSurfaceView glView; public BallThrowGLSurfaceView(Context context) { super(context); // TODO Auto-generated constructor stub _renderObj = new MyRender(context); this.setRenderer(_renderObj); this.setRenderMode(RENDERMODE_WHEN_DIRTY); this.requestFocus(); this.setFocusableInTouchMode(true); glView = new GLSurfaceView(context.getApplicationContext()); } @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub if (event != null) { if (event.getAction() == MotionEvent.ACTION_DOWN) { if (_renderObj != null) { Log.i("renderObj", _renderObj + "lll"); // Ensure we call switchMode() on the OpenGL thread. // queueEvent() is a method of GLSurfaceView that will do this for us. queueEvent(new Runnable() { public void run() { glView.setRenderMode(RENDERMODE_CONTINUOUSLY); } }); return true; } } } return super.onTouchEvent(event); } } PS : i know that i am making some silly mistakes in this, but cannot figure out what it really is.

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• Restoring android after ubuntu touch fails

  - by deimus

  I'm trying to restore android after playing around with ubuntu touch I follow exactly the same steps described the ubuntu's wiki page i.e. Download the factory image corresponding to your device's model and version (initial table has links). Ensure the device is connected and powered on. Extract the downloaded file and cd into the extracted directory. run adb reboot-bootloader run ./flash-all.sh (use sudo if lack of permissions on the workstation don't allow you to talk to the device). The archive is downloaded successfully, checked the sha1 checksum everything is ok. But the ./flash-all.sh fails like this sending 'bootloader' (2308 KB)... OKAY [ 0.513s] writing 'bootloader'... OKAY [ 0.292s] finished. total time: 0.805s rebooting into bootloader... OKAY [ 0.007s] finished. total time: 0.008s sending 'radio' (12288 KB)... OKAY [ 2.668s] writing 'radio'... OKAY [ 1.372s] finished. total time: 4.040s rebooting into bootloader... OKAY [ 0.009s] finished. total time: 0.009s archive does not contain 'boot.sig' archive does not contain 'recovery.sig' failed to allocate 435793780 bytes error: update package missing system.img My device is Nexus 4. Tried both 4.2.2 and 4.3 androind versions for Nexus 4 still the same. Any ideas how problem can be solved ?

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• Oracle 'In Touch' PartnerCast – Neues von der Oracle OpenWorld

  - by Alliances & Channels Redaktion

  Kurz nach den vielen interessanten Ankündigungen auf der Oracle OpenWorld sind alle Oracle EMEA Partner herzlich eingeladen, an dem „In Touch“-Partnerwebcast mit David Callaghan, Senior Vice President EMEA Alliances and Channels, und seinen Studiogästen teilzunehmen. Am Dienstag, 29. Oktober, um 11:30 Uhr MEZ informiert Sie David Callaghan über die neuesten Entwicklungen rund um die Oracle Cloud und Oracle Hardware. Er wird die Key Partner Wins aus dem ersten Quartal vorstellen sowie Ihre Fragen an seine Studiogäste weiterleiten. Live im Studio dabei ist Will O'Brien, Vice President Alliances & Channels, UK & Irland, der über die Highlights der Oracle OpenWorld berichtet und die Relevanz von Storage für das Software Business erläutert. David Callaghan wird Will O’Brien zu seiner neuen Rolle interviewen und ihn nach seinen obersten Prioritäten für FY14 befragen. Markus Reischl, Senior Director und Sales Leader EMEA Strategic Alliances, stellt die Updates in Business Intelligence vor und berichtet darüber, wie diese das gesamte Oracle Portfolio beeinflussen und welche Chancen dies für die Partner bringt. Registrieren Sie sich hier für den Webcast. Über Fragen an die Studiogäste freut sich David Callaghan. Kontaktieren Sie ihn über Twitter mit dem Hashtag #DCpickme oder per E-Mail [email protected]. Mehr Informationen über diesen sowie frühere Webcasts on-demand finden Sie hier auf der neuen Website.

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• Trouble with touch events on iPhone

  - by MrDatabase

  I'm making a simple 2D game for iPhone. Think of the game as a ball on the screen that goes up while the user is touching the screen and falls down when the user stops touching the screen. The ball starts moving up in touchesBegan:withEvent and starts moving down in touchesEnded:withEvent. This works fine almost all the time. However on occasion the ball will keep moving up after the user stops touching... or the ball will keep moving down while the user is touching. Why is this happening? Just fyi the ball is drawn on a UIWindow. The taps are handled by a UIImageview subclass that's clearColor and takes up the entire screen. This "touchLayer" is also moved to the front of the window in the game loop. Any idea why this control scheme occasionally fails? Perhaps the touch events just aren't firing? Or they're fired out of order? Cheers!

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• Is there an optimal way to render images in cocoa? Im using setNeedsDisplay

  - by Edward An

  Currently, any time I manually move a UIImage (via handling the touchesMoved event) the last thing I call in that event is [self setNeedsDisplay], which effectively redraws the entire view. My images are also being animated, so every time a frame of animation changes, i have to call setNeedsDisplay. I find this to be horrific since I don't expect iphone/cocoa to be able to perform such frequent screen redraws very quickly. Is there an optimal, more efficient way that I could be doing this? Perhaps somehow telling cocoa to update only a particular region of the screen (the rect region of the image)?

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• Custom Cocoa Framework and a problem using it

  - by happyCoding25

  Hello, I made a custom cocoa framework just to experiment and find the best way to make one but ran in to a problem using it. The framework project builds and compiles just fine, but when I use it in an xcode project I get the error, 'LogTest' undeclared. The name of the framework is LogTest Heres the code to my app that uses the framework: AppDelegate.h: #import <Cocoa/Cocoa.h> #import <LogTest/LogTest.h> @interface TestAppDelegate : NSObject <NSApplicationDelegate> { NSWindow *window; } @property (assign) IBOutlet NSWindow *window; @end AppDelegate.m: #import "TestAppDelegate.h" @implementation TestAppDelegate @synthesize window; - (void)awakeFromNib { [LogTest logStart:@"testing 123":@"testing 1234"]; //This is the line where the error occurs } @end Framework Code........ LogTest.h: #import <Cocoa/Cocoa.h> #import "Method.h" @protocol LogTest //Not sure if this is needed I just wanted a blank header @end Method.h: #import <Cocoa/Cocoa.h> @interface Method : NSObject { } + (void)logStart:(NSString *)test:(NSString *)test2; @end Method.m: #import "Method.h" @implementation Method + (void)logStart:(NSString *)test:(NSString *)test2 { NSLog(test); NSLog(test2); } @end If anyone knows why I am getting this error please reply. Thanks for any help

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• Keep cube spinning after fling

  - by Zero

  So I've been trying to get started with game development for Android using Unity3D. For my first project I've made a simple cube that you can spin using touch. For that I have the following code: using UnityEngine; using System.Collections; public class TouchScript : MonoBehaviour { float speed = 0.4f; bool canRotate = false; Transform cachedTransform; public bool CanRotate { get { return canRotate; } private set { canRotate = value; } } void Start () { // Make reference to transform cachedTransform = transform; } // Update is called once per frame void Update () { if (Input.touchCount > 0) { Touch touch = Input.GetTouch (0); // Switch through touch events switch (Input.GetTouch (0).phase) { case TouchPhase.Began: if (VerifyTouch (touch)) CanRotate = true; break; case TouchPhase.Moved: if (CanRotate) RotateObject (touch); break; case TouchPhase.Ended: CanRotate = false; break; } } } bool VerifyTouch (Touch touch) { Ray ray = Camera.main.ScreenPointToRay (touch.position); RaycastHit hit; // Check if there is a collider attached already, otherwise add one on the fly if (collider == null) gameObject.AddComponent (typeof(BoxCollider)); if (Physics.Raycast (ray, out hit)) { if (hit.collider.gameObject == this.gameObject) return true; } return false; } void RotateObject (Touch touch) { cachedTransform.Rotate (new Vector3 (touch.deltaPosition.y, -touch.deltaPosition.x, 0) * speed, Space.World); } } The above code works fine. However, I'm wondering how I can keep the cube spinning after the user lifts his finger. The user should be able to "fling" the cube, which would keep spinning and after a while would slowly come to a stop due to drag. Should I do this using AddForce or something? I'm really new to this stuff so I'd like it if you guys could point me in the right direction here :) .

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