初始代码提交

2026-01-14 10:36:27 +08:00
parent 600aa4dbb0
commit 196cacfe5a
268 changed files with 22545 additions and 2 deletions
@@ -0,0 +1,65 @@
+package com.sw.inbound.view
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import android.view.ViewConfiguration
+import androidx.core.view.ViewCompat
+import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.abs
+
+
+class NestedRecyclerView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : RecyclerView(context, attrs, defStyleAttr) {
+
+    private var lastY = 0f
+    private var isDragging = false
+
+    private var touchSlop = ViewConfiguration.get(context).scaledTouchSlop
+
+    override fun onInterceptTouchEvent(e: MotionEvent): Boolean {
+        when (e.action) {
+            MotionEvent.ACTION_DOWN -> {
+                lastY = e.y
+                parent.requestDisallowInterceptTouchEvent(true)
+            }
+            MotionEvent.ACTION_MOVE -> {
+                val dy = e.y - lastY
+                if (!canScrollVertically(-1) && dy > 0) {
+                    parent.requestDisallowInterceptTouchEvent(false)
+                    return false
+                } else if (!canScrollVertically(1) && dy < 0) {
+                    parent.requestDisallowInterceptTouchEvent(false)
+                    return false
+                }
+            }
+        }
+        return super.onInterceptTouchEvent(e)
+    }
+
+    override fun onTouchEvent(e: MotionEvent): Boolean {
+        when (e.action) {
+            MotionEvent.ACTION_MOVE -> {
+                if (!isDragging && abs(e.y - lastY) > touchSlop) {
+                    isDragging = true
+                }
+            }
+            MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
+                isDragging = false
+            }
+        }
+        return super.onTouchEvent(e)
+    }
+
+    override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
+        when (ev.action) {
+            MotionEvent.ACTION_DOWN -> {
+                stopNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL)
+            }
+        }
+        return super.dispatchTouchEvent(ev)
+    }
+}