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Questions tagged [smartphone]

Smartphone is a combination of mobile phone and PDA (Personal Digital Assistant).

Smartphone is a combination of mobile phone and PDA (Personal Digital Assistant). It's built on a mobile operating system, for example: , , BlackBerry OS, or others.

References

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What is the technology behind wechat, whatsapp and other messenger apps?

I am eager to know about the architecture of different real-time messenger apps. Are they using any generic protocol/architecture?
viswas
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Can we check the device to be smartphone or tablet in Flutter?

I am actually trying to figure out if the app is running on a smartphone or tablet in my flutter app but the package device_info can only tell about the device but not whether the device is a smartphone or tablet. Is there a way we can do this by…
Mahi
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android camera surfaceview orientation

Ok so I have a class that extends SurfaceView and overrides surfaceChanged - just calls startPreview surfaceCreated - opens camera, edits params *, sets surfaceHolder surfaceDestroyed - calls stopPreview, release camera this all work great…
Tom Fobear
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used on a smartphone, shiny interactive plot doesn't understand finger movements

I have a R-Shiny application with a plot that implements interactive actions: click, hovering (hovering is passing the mouse over the plot, which can be detected by shiny). To give an idea, I post below a simplified shiny-app with the functionality…
agenis
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Inconsistent font sizes on smart phone

I'm tweaking a web page so that it looks good on smart phones. I've declared a @media section in the CSS file so I can specify the font sizes for this page. Here's that media section: @media screen and (max-device-width: 640px) { #TermsOfUse { …
birdus
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JavaScript memory and HTML5 LocalStorage limitations on smartphones

I'm going to develop web application which should work on mobile devices (smartphones). In the application the operator will input some business data, and the operator will type this data also in closed spaces, where network signal can be…
Danubian Sailor
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How to invoke phone dialer in browser? or is it impossible?

I build a website for phones like android and iphone,when users are visiting my site,is it possible for me to invoke some system build in activities like Dialer or SMS)? I want to implement this cause I hope when user click the link with phone…
DiveInto
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jquery click event for tablets and touch screen phones

Ok, I am fairly new to web development for mobile/tablet platforms. I am pretty confident though in developing for a browser environment. My problem is that I don't own any tablet (I am poor so have to fly blind) so it's hard for me to do testing.…
Amy Neville
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Energy consumption of smartphone components

I'm looking for a list of all the components and their power drainage on an up-to-date smart phone. Accelerometer, gyroscope, magnetometer, etc. Display WiFi Bluetooth GPS CPU Camera Microphone etc. Preferably in mA so it can be easily compared to…
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Is it possible to find other nearby phones?

I'm writing an Android app that I would like to eventually port to iOS and Windows Mobile (though I know absolutely nothing about them right now). I'd like my app to be able to find other phones within a certain radius (maybe 20-30 feet) that also…
Nicholas
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Can we install Android OS on any Windows Phone and vice versa, and same with iPhone and vice versa?

I have 3 smartphones with me , one running Windows Mobile OS , another one running Android OS , and 3rd one running iOS. I am wondering if i can load/install Android OS on any Windows Phone and vice versa, and same with iPhone and vice versa ? To…
Gurpreet Singh
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How to avoid cut/copy/paste in smart phone after rotation port to land on Android4.X?

I am working on to avoid cut/copy/paste in smart phone (for tablet its fine). Its fine in port mode but coming in land mode EditText shows a Button Next. after selecting the text, next button converts into Edit Button which has copy,cut and paste…
Monty
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File reading performance on smartphones: internal storage vs. SD card vs. PC hard disk

My Android application will use big and very big files (i.e. between the size of 10MB and 2GB). I've always been wondering about what hardware is used by smartphones for stable storage, and whether the software (file reading/seeking) considerations…
Thomas Calc
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Where to begin with Smartphone Web Development?

Ha all, So I've been taksed with developing a smartphone website for our property portal and first thing I did was see what lessons others had to tell online but I've found very little. I'm not building an app, I'm building a website and I'm looking…
Denis Hoctor
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How to disable scrolling in smartphone and tablet browsers?

I use the following code to disable scrolling in desktop browsers but it doesn't work for iPhone screen resolution. $("html").css("overflow", "hidden"); What else do I need to add?
Orb Hitter
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