83 lines
2.9 KiB
Java
83 lines
2.9 KiB
Java
package com.gh.common.view;
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import android.text.Layout;
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import android.text.Selection;
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import android.text.Spannable;
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import android.text.method.LinkMovementMethod;
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import android.text.style.ClickableSpan;
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import android.view.MotionEvent;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.widget.TextView;
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public class CustomLinkMovementMethod extends LinkMovementMethod {
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@Override
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public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
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int action = event.getAction();
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boolean isTouchEventConsumed = false;
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if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
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int x = (int) event.getX();
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int y = (int) event.getY();
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x -= widget.getTotalPaddingLeft();
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y -= widget.getTotalPaddingTop();
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x += widget.getScrollX();
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y += widget.getScrollY();
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Layout layout = widget.getLayout();
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int line = layout.getLineForVertical(y);
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int off = layout.getOffsetForHorizontal(line, x);
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ClickableSpan[] links = buffer.getSpans(off, off, ClickableSpan.class);
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if (links.length != 0) {
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ClickableSpan link = links[0];
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if (action == MotionEvent.ACTION_UP) {
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link.onClick(widget);
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} else if (action == MotionEvent.ACTION_DOWN) {
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// 下面这行代码会造成触摸 clickbleSpan 时 RecyclerView 的 item 高度变更 : (
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// 看起来像是跟文字选择相关的东西，反正我们的 clickSpan 也不让选，直接屏蔽掉了
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// Selection.setSelection(buffer,
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// buffer.getSpanStart(link),
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// buffer.getSpanEnd(link));
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}
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isTouchEventConsumed = true;
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} else {
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Selection.removeSelection(buffer);
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}
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}
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//解决点击事件冲突问题
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if (!isTouchEventConsumed && event.getAction() == MotionEvent.ACTION_UP) {
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ViewParent parent = iterateViewParentForClicking(widget.getParent());//处理widget的父控件点击事件
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if (parent instanceof ViewGroup) {
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return ((ViewGroup) parent).performClick();
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}
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}
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return false;
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}
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private ViewParent iterateViewParentForClicking(ViewParent parent) {
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if (parent instanceof ViewGroup) {
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if (((ViewGroup) parent).hasOnClickListeners()) {
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return parent;
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} else {
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return iterateViewParentForClicking(parent.getParent());
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}
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}
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return null;
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}
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public static CustomLinkMovementMethod getInstance() {
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if (sInstance == null) sInstance = new CustomLinkMovementMethod();
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return sInstance;
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}
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private static CustomLinkMovementMethod sInstance;
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} |