本文整理汇总了Java中android.text.Layout.getOffsetToLeftOf方法的典型用法代码示例。如果您正苦于以下问题：Java Layout.getOffsetToLeftOf方法的具体用法？Java Layout.getOffsetToLeftOf怎么用？Java Layout.getOffsetToLeftOf使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.text.Layout的用法示例。
在下文中一共展示了Layout.getOffsetToLeftOf方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getPreciseOffset
import android.text.Layout; //导入方法依赖的package包/类
public static int getPreciseOffset(TextView textView, int x, int y) {
Layout layout = textView.getLayout();
if (layout != null) {
int topVisibleLine = layout.getLineForVertical(y);
int offset = layout.getOffsetForHorizontal(topVisibleLine, x);
int offsetX = (int) layout.getPrimaryHorizontal(offset);
if (offsetX > x) {
return layout.getOffsetToLeftOf(offset);
} else {
return offset;
}
} else {
return -1;
}
}
示例2: onTouchEvent
import android.text.Layout; //导入方法依赖的package包/类
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();
x += widget.getScrollX();
y += widget.getScrollY();
Layout layout = widget.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
LongClickableSpan[] link = buffer.getSpans(off, off, LongClickableSpan.class);
if (link.length != 0) {
long currTime = System.currentTimeMillis();
LongClickableSpan l = link[0];
int ls = buffer.getSpanStart(l);
int le = buffer.getSpanEnd(l);
// 判断点击的点是否在Image范围内
ClickableImageSpan[] is = buffer.getSpans(ls, le, ClickableImageSpan.class);
if (is.length > 0) {
if (!is[0].clicked(x)) {
Selection.removeSelection(buffer);
return false;
}
} else if (off < layout.getOffsetToLeftOf(ls) || off > layout.getOffsetToLeftOf(le + 1)) {
// 判断点击位置是否在链接范围内
Selection.removeSelection(buffer);
return false;
}
if (action == MotionEvent.ACTION_UP) {
// 如果按下时间超过５００毫秒，触发长按事件
if (currTime - lastTime > MIN_INTERVAL) {
if (!l.onLongClick(widget)) {
// onLongClick返回false代表事件未处理，交由onClick处理
l.onClick(widget);
}
} else {
l.onClick(widget);
}
} else {
Selection.setSelection(buffer,
ls, le);
}
lastTime = currTime;
return true;
} else {
Selection.removeSelection(buffer);
return false;
}
}
return super.onTouchEvent(widget, buffer, event);
}