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Fixed crash due to asserts in scrollToRowAtIndexPathAtScrollPositionAnimated for ListView's UITableView instance. Fixed a case where the UITableView fails to calculate its layout when the page it is displayed in is navigated to, from and back to.

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This commit is contained in:
Panayot Cankov
2015-06-02 10:47:40 +03:00
parent 137688dba1
commit 068dd8b868
1 changed files with 9 additions and 9 deletions
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18
ui/list-view/list-view.ios.ts
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@ -99,23 +99,22 @@ class UITableViewDelegateImpl extends NSObject implements UITableViewDelegate {
}
public tableViewHeightForRowAtIndexPath(tableView: UITableView, indexPath: NSIndexPath): number {
if (utils.ios.MajorVersion < 8) {
// in iOS 7.1 this method is called before tableViewCellForRowAtIndexPath so we need fake cell to measure its content.
var height = undefined;
if (utils.ios.MajorVersion >= 8) {
height = this._owner.getHeight(indexPath.row);
}
if (utils.ios.MajorVersion < 8 || height === undefined) {
// in iOS 7.1 (or iOS8+ after call to scrollToRowAtIndexPath:atScrollPosition:animated:) this method is called before tableViewCellForRowAtIndexPath so we need fake cell to measure its content.
var cell = this._measureCell;
if (!cell) {
this._measureCell = tableView.dequeueReusableCellWithIdentifier(CELLIDENTIFIER) || ListViewCell.new();
cell = this._measureCell;
}
return this._owner._prepareCell(cell, indexPath);
height = this._owner._prepareCell(cell, indexPath);
}
return this._owner.getHeight(indexPath.row);
}
public tableViewEstimatedHeightForRowAtIndexPath(tableView: UITableView, indexPath: NSIndexPath): number {
// TODO: Consider exposing such property on ListView.
return DEFAULT_HEIGHT;
return height;
}
}
@ -148,6 +147,7 @@ export class ListView extends common.ListView {
this._ios.registerClassForCellReuseIdentifier(ListViewCell.class(), CELLIDENTIFIER);
this._ios.autoresizesSubviews = false;
this._ios.autoresizingMask = UIViewAutoresizing.UIViewAutoresizingNone;
this._ios.estimatedRowHeight = DEFAULT_HEIGHT;
var dataSource = DataSource.new().initWithOwner(this);