Question

如何使用钛合金中的左右箭头控制垂直滚动。如何连接滚动视图和左右箭头

以下是代码：

   var counter = 0;
   rightArrow.addEventListener('click', function(e) {

    counter++;

    var wrapperChild = wrapperView.getChildren();

    var scroll2 = verticalScroll.scrollTo(114, 0);
    var scroll1 = verticalScroll.scrollTo(0, 0);
    var scroll3 = verticalScroll.scrollTo(307, 0);

    if (counter == 1) {
        verticalScroll.scrollTo(114, 0);
        alert(counter);
    } else if (counter == 2) {
        verticalScroll.scrollTo(307, 0);
        alert(counter);
        //}
    } else if (counter == 3) {
        verticalScroll.scrollTo(417, 0);
        alert(counter);
    } else if (counter == 4) {
        verticalScroll.scrollTo(560, 0);
        alert(counter);
    } else if (counter == 5) {
        verticalScroll.scrollTo(672, 0);
        alert(counter);
    }
});

leftArrow.addEventListener('click', function(e) {
    if (counter == 0)  verticalScroll.scrollTo(0, 0);
});

verticalScroll.addEventListener('scroll', function(e) {
     Ti.API.info('Scrollview contents y offset: ' + e.x + 'Scrollview contents y offset: ' + e.y);
});

Answer 1

Scrollview有一个名为scrollTo( Number x, Number y )的方法，记录为here。

基本上你必须

创建滚动视图并将其添加到窗口
创建并向窗口添加左右按钮（如果在滚动视图之前添加按钮，则可能必须设置zIndex）
将eventListeners添加到将触发scrollTo（）的按钮。请参阅"Simple Buttons Example"

您可能也对Titaniums ScrollableView

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ScrollView左右滚动带箭头按钮

1 个答案: