[TIMOB-7281] APIDoc: Document coding pattern for providing pinch/zoom while in a ScrollableView

GitHub Issue	n/a
Type	Bug
Priority	High
Status	Closed
Resolution	Fixed
Resolution Date	2012-02-09T23:32:12.000+0000
Affected Version/s	Release 1.8.0.1
Fix Version/s	Sprint 2012-02, Release 2.0.0, Release 1.8.1
Components	iOS
Labels	expected, module_scrollview, qe-testadded, regression
Reporter	Mauro Parra-Miranda
Assignee	Blain Hamon
Created	2012-01-18T14:36:46.000+0000
Updated	2012-02-09T23:32:12.000+0000

Description

PROBLEM

Zoom used to work inside a ScrollableView, with 1.7.5. The same code doesn't work (doesn't zoom) in 1.8.

TESTCASE

Test this code in 1.7.5, do a zoom. Works fine. Do the same with 1.8, won't work.

var win = Ti.UI.createWindow({
    backgroundColor: 'black'
});
 var photosView = Ti.UI.createScrollableView({
    backgroundColor:'black',
    width : 320,
    height : 450,
    showPagingControl:true,
    pagingControlHeight:20,
    maxZoomScale : 2.0,
});
var imgArray = [];
var img1 = Ti.UI.createImageView({
    image:'http://media.koreus.com/200606/1image-illusion-optique14-mini.jpg'
});
imgArray.push(img1);
photosView.views = imgArray;
win.add(photosView);
win.open();

Community Discusion

http://developer.appcelerator.com/question/130153/image-zoom-not-working-after-update-to-sdk-18

Comments

Blain Hamon 2012-01-20

By the way, the new code is:

   var win = Ti.UI.createWindow({
       backgroundColor: 'black'
   });
    var photosView = Ti.UI.createScrollableView({
       backgroundColor:'black',
       width : 320,
       height : 450,
       showPagingControl:true,
       pagingControlHeight:20,
   });
   var imgArray = [];
   var img1 = Ti.UI.createImageView({
       image:'http://media.koreus.com/200606/1image-illusion-optique14-mini.jpg'
   });
   var imgWrapper = Ti.UI.createScrollView({
   	maxZoomScale:2.0,
   });
   imgWrapper.add(img1);
   
   imgArray.push(imgWrapper);
   photosView.views = imgArray;
   win.add(photosView);
   win.open();

Blain Hamon 2012-01-20

API update pull request #1225 sent. However, we should stress that this isn't a workaround. A workaround is when there's something broken. This is the new expected behavior, with a new code pattern to follow.
Wilson Luu 2012-01-23

Closing bug. Verified fix on: SDK build: 1.9.0.v20120121223134 Titanium Studio, build: 1.0.8.201201210622 Xcode: 4.2 OS: Mac OS X Lion (10.7.2) Device: iPhone 4S Verizon (5.0.1)
Wilson Luu 2012-01-31

updated labels

JSON Source