Cascades Development

[szj087]

Hi, 

I want to use flick guesture in Cascade application, but I found there is only long press, tap and pinch event in Cascade.  How can I complete flick action with Cascade? Should I use touch down, move to emulate  flick action?

thanks/BRs

Zongjun

[mgoulet]

Hi there,

You could implement your own listening to Touch events:
https://developer.blackberry.com/cascades/reference/bb__cascades__touchevent.html

If you would like to post a feature request for a complete flick gesture event, I suggest you post a feature request here:
https://www.blackberry.com/jira/secure/Dashboard.jspa

Martin

[szj087]

Thanks

I will do that

BRs

Zongjun

[cellinova]

I thought I would share my code I used to simulate a swipe.  I wish the Touch event included a velocity attribute so that I know that the user is actually doing a swipe.

                onTouch: {

                    if (event.isDown()) {

                        downX = event.windowX;

                        downY = event.windowY;

                    } else if (event.isUp()) {

                        var yDiff = downY - event.windowY;

                        // take absolute value of yDiff

                        if (yDiff < 0) yDiff = -1 * yDiff;

                        // I check if the minimum y movement is less than 200.  Don't want to move left or right if 

                        // the user is actually want to move up or down.

                        if ((yDiff) < 200) {

                            if ((downX - event.windowX) > 320) {

                                // move right

                            } else if ((event.windowX - downX) > 320) {

                                 // move left

                            }

                        }

                    }

                }

[cellinova]

Forgot to mention that I defined two properties downX and downY

    property int downX: 0

    property int downY: 0

    onTouch: {

                    if (event.isDown()) {

                        downX = event.windowX;

                        downY = event.windowY;

                    } else if (event.isUp()) {

                        var yDiff = downY - event.windowY;

                        // take absolute value of yDiff

                        if (yDiff < 0) yDiff = -1 * yDiff;

                        // I check if the minimum y movement is less than 200.  Don't want to move left or right if 

                        // the user is actually want to move up or down.

                        if ((yDiff) < 200) {

                            if ((downX - event.windowX) > 320) {

                                // move right

                            } else if ((event.windowX - downX) > 320) {

                                 // move left

                            }

                        }

                    }

                }

[sumithpdd]

Will the touchpoint be different for Q10, i tried this code on Q10 and its a bit jerky (Q10 - swipe right to left is sticky). Dont we have anything in the framework for this.

[saprykin]

There is no swipe gesture in Cascades - only in NDK. So you need to use touch events as mentioned above.

[dartrack]

you can check this link