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Questions tagged [blackberry-cascades]

BlackBerry Cascades framework contains tools and APIs that you can use to build rich applications using Cascades libraries and Qt libraries.

The Cascades framework includes the following:

Cascades UI and platform APIs

You can use the Cascades UI APIs to create stunning interactions, while the platform APIs provide access to the underlying features of the BlackBerry Application Platform. You can use the Cascades UI and platform APIs to do almost anything you need to create great apps, including:

  • Develop your UI in C++, Qt Modeling Language (QML), or both
  • Take advantage of core UI controls, or expand on them and create your own custom controls
  • Communicate over mobile and Wi-Fi networks
  • Record and play media files
  • Store and retrieve data
  • Manage certificates and use cryptographic protocols

Cascades Builder

Cascades Builder is built into the QNX Momentics IDE and lets you design your UI using a visual interface. When you change the code that represents your UI, you can see the effects immediately in the design view.

Qt APIs

The Cascades framework is built using the Qt application framework. This architecture allows Cascades to leverage the Qt object model, event model, and threading model. The slots and signals mechanism in Qt allows for powerful and flexible inter-object communication. The Cascades framework incorporates features of fundamental Qt classes (such as QtCore, QtNetwork, QtXml, and QtSql, and others) and builds on them.

Source Code

Sample Source Code at Developer Site

Cascades-Samples Code at Github

Cascades-Community-Samples at Github

Documentation

1. Documentation

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How to make an http post request that uploads both post queries & a file to a server in C++ Qt

I have sample code for doing this in C#, Windows Phone 7, Silverlight, and I'm trying to find how to do the equivalent in C++ Qt (I am working in the Blackberry 10 Beta 3 SDK). Can I use QNetworkAccessManager? Or is there something better for this? …
user1296259
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Blackberry10 cascades onTrigger

I have used a TabbedPane in this while clicking i need to call an another qml file here is the code am using but its not working TabbedPane { showTabsOnActionBar: tabs sidebarState: SidebarState.VisibleCompact Tab { imageSource:…
Apple
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Getting an incorrect permissions screen in the webview Blackberry 10 Cascades Beta 3 SDK in Dev Alpha Simulator

I am trying to make dynamically generated html 5 graphs show up in a webview in Blackberry 10 Cascades. I have confirmed the html5 that I have generated, draws the correct graphs. My problem is that when I try to implement this in the Blackberry…
user1296259
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Trying to open a camera in Blackberry Cascades 10 Beta 3 SDK (C++, QT, QML)

I am trying to open a camera in Blackberry Cascades 10 Beta 3 SDK (C++, QT, QML), and then respond to it once it has opened. I am using the Dev Alpha Simulator, and I keep getting the error "Context: Failed to find target node with id ###" (several…
user1296259
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changing/replacing root Object of cascades Application

In my application i need to implement the "first run flow" , so in this case my QML scene will be diffrent. As last thing of this flow i need to run normal flow , so i have to change root Object content. I don't know how to achieve this.
bunny1985
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blackberry cascades mapview

Hi I am trying to implement a mapview using blackberry cascades based on this link but whenever I import maps import bb.cascades.maps 1.0 , the QNX IDE throws out an error saying bb.cascades.maps is not installed. I have set up the environment …
Rasmus
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Option style (Dropdown, RadioGroup, etc) in QML or C++ (Cascades)

I'm trying to set a custom style to a group of options belonging to a dropdown or a Radio Group. I'm searching all over and it seems impossible. At least I would like to decrease the size of the letters in the text of each option because is too big!…
mariomunera
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What are equivalents for Windows 7 Phone PhoneCallTask, EmailCompmoseTask, and BingMapsTask in Blackberry Cascades

I am trying to find equivalents for Windows 7 Phone PhoneCallTask, EmailComposeTask, and BingMapsTasks in Blackberry Cascades Beta 3 SDK - I found one for the PhoneCallTask which is (bb::system::phone::Phone phone) - which has a function called…
user1296259
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Taking screenshot of view/layout programmatically in BlackBerry10

is it possible to take a screenshot of a container like DockLayout and all of its children programmatically in BB10 (native)? I've found the Screenshot class in the docs, but it's only possible to take a display or app window screenshot... Any tips…
pawlinsky
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Customize push notification sound and icon for blackberry cascades 10

I have used the pushcollector example from blackberry code from github to integrate push notification, I'm receiving notification in my device but with default sound and bell icon. I need to change the default bell icon and sound with the ones that…
Francis F
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How can I share unicode text via the invocation framework using QML and C++?

When I try sharing Unicode text on the BB10 Cascades framework, using the following code, all non-ASCII characters are converted to question marks at the invocation target, such as a BBM conversation or an email: InvokeActionItem { title:…
Jace
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Settings on top bezel bb10

UPDATE I wanna implement the setting by swiping the top bezel, here's my code am I doing this right? Currently this doesn't work. I wanna know how to implement it. Where should I put the code for it, and what do I lack of so that it'll work? …
kev
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Injecting touch event?

I'm a BlackBerry Java developer and I'm relatively new to BlackBerry 10 development. Recently I wanted to make something involving touch events, and I was wondering whether any existing APIs exist for injecting touch events onto the screen. I…
Abhishek
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embed ui view inside live camera view blackberry 10

i want to add some ui inside camera view blackberry 10 like photobomber samples on github https://github.com/blackberry/Cascades-Samples/tree/master/photobomber but i want to overlay the image while the camera is active and save the photo + image…
abang_adit
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integrating my application with Call log core application in BlackBerry10?

I am writing one application in which I want to integrate my application with core application- Call Log or Phone . I want to get all call history in my application . I have gone through BlackBerry's official doc but theres no any sample app for…
BB10
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