修复可展开文字在触摸全部按钮是高度会变更的问题

app/src/main/java/com/gh/common/view/CustomLinkMovementMethod.java

@@ -1,25 +1,63 @@
 package com.gh.common.view;
 
+import android.text.Layout;
+import android.text.Selection;
 import android.text.Spannable;
 import android.text.method.LinkMovementMethod;
+import android.text.style.ClickableSpan;
 import android.view.MotionEvent;
 import android.view.ViewGroup;
 import android.view.ViewParent;
 import android.widget.TextView;
 
 public class CustomLinkMovementMethod extends LinkMovementMethod {
-    
+
     @Override
     public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
-        boolean b = super.onTouchEvent(widget, buffer, event);
+        int action = event.getAction();
+        boolean isTouchEventConsumed = false;
+
+        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);
+
+            ClickableSpan[] links = buffer.getSpans(off, off, ClickableSpan.class);
+
+            if (links.length != 0) {
+                ClickableSpan link = links[0];
+                if (action == MotionEvent.ACTION_UP) {
+                    link.onClick(widget);
+                } else if (action == MotionEvent.ACTION_DOWN) {
+                    // 下面这行代码会造成触摸 clickbleSpan 时 RecyclerView 的 item 高度变更  : (
+                    // 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
+//                    Selection.setSelection(buffer,
+//                            buffer.getSpanStart(link),
+//                            buffer.getSpanEnd(link));
+                }
+                isTouchEventConsumed = true;
+            } else {
+                Selection.removeSelection(buffer);
+            }
+        }
+
         //解决点击事件冲突问题
-        if (!b && event.getAction() == MotionEvent.ACTION_UP) {
+        if (!isTouchEventConsumed && event.getAction() == MotionEvent.ACTION_UP) {
             ViewParent parent = iterateViewParentForClicking(widget.getParent());//处理widget的父控件点击事件
-            if (parent != null && parent instanceof ViewGroup) {
+            if (parent instanceof ViewGroup) {
                 return ((ViewGroup) parent).performClick();
             }
         }
-        return b;
+        return false;
     }
     
     
@@ -33,14 +71,13 @@ public class CustomLinkMovementMethod extends LinkMovementMethod {
         }
         return null;
     }
-    
+
     public static CustomLinkMovementMethod getInstance() {
         if (sInstance == null) sInstance = new CustomLinkMovementMethod();
-        
+
         return sInstance;
     }
-    
-    
+
     private static CustomLinkMovementMethod sInstance;
-    
+
 }