关联用户滑动

2026-05-23 08:57:31 +08:00
parent f3c1ae70d4
commit b16ced1c18
3 changed files with 117 additions and 38 deletions
--- a/app/src/main/java/com/example/defenseapplication/adapter/LinkedUserAdapter.kt
+++ b/app/src/main/java/com/example/defenseapplication/adapter/LinkedUserAdapter.kt
@@ -16,6 +16,7 @@ data class LinkedUser(

 class LinkedUserAdapter(
    private val deleteText: String,
+    private val isUnlinkMode: Boolean,
    private val onItemClick: (LinkedUser, Int) -> Unit,
    private val onDeleteClick: (LinkedUser, Int) -> Unit
 ) : RecyclerView.Adapter<LinkedUserAdapter.LinkedUserViewHolder>() {
@@ -35,6 +36,12 @@ class LinkedUserAdapter(
        }
    }

+    fun closeSwipe(position: Int) {
+        if (position in items.indices) {
+            notifyItemChanged(position)
+        }
+    }
+
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): LinkedUserViewHolder {
        val binding = ItemLinkedUserBinding.inflate(
            LayoutInflater.from(parent.context),
@@ -61,13 +68,33 @@ class LinkedUserAdapter(
            binding.llContent.translationX = 0f
            binding.tvUserName.text = item.name
            binding.tvTime.text = item.time
-            //设置删除按钮的文字
+
+            // MODE_SETTINGS → 显示"解除关联"；MODE_PERSONAL → 显示"删除"
+            if (isUnlinkMode) {
+                binding.tvUnlinkAction.visibility = View.VISIBLE
+                binding.tvDeleteAction.visibility = View.GONE
+            } else {
+                binding.tvUnlinkAction.visibility = View.GONE
+                binding.tvDeleteAction.visibility = View.VISIBLE
                binding.tvDeleteAction.text = deleteText
-            binding.llContent.setOnClickListener {
-                onItemClick(item, position)
            }

-            binding.llDelete.setOnClickListener {
+            binding.llContent.setOnClickListener {
+                if (binding.llContent.translationX < 0f) {
+                    binding.llContent.animate()
+                        .translationX(0f)
+                        .setDuration(200)
+                        .start()
+                } else {
+                    onItemClick(item, position)
+                }
+            }
+
+            binding.tvDeleteAction.setOnClickListener {
+                onDeleteClick(item, position)
+            }
+
+            binding.tvUnlinkAction.setOnClickListener {
                onDeleteClick(item, position)
            }
        }
--- a/app/src/main/java/com/example/defenseapplication/liveVideo/LinkedUserActivity.kt
+++ b/app/src/main/java/com/example/defenseapplication/liveVideo/LinkedUserActivity.kt
@@ -2,7 +2,7 @@ package com.example.defenseapplication.liveVideo

 import android.content.Intent
 import android.os.Bundle
-import android.util.Log
+import android.util.TypedValue
 import android.view.View
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
@@ -73,8 +73,10 @@ class LinkedUserActivity : AppCompatActivity() {

    private fun initView() {
        val deleteText = if (mode == MODE_SETTINGS) getString(R.string.unlink) else getString(R.string.delete)
+        val isUnlinkMode = mode == MODE_SETTINGS
        adapter = LinkedUserAdapter(
            deleteText = deleteText,
+            isUnlinkMode = isUnlinkMode,
            onItemClick = { user, position ->
                val intent = Intent(this, UserDetailsActivity::class.java).apply {
                    putExtra("name", user.name)
@@ -91,9 +93,14 @@ class LinkedUserActivity : AppCompatActivity() {
        binding.rvLinkedUser.layoutManager = LinearLayoutManager(this)
        binding.rvLinkedUser.adapter = adapter

-        val swipeThreshold = -300f
+        // 根据模式只显示一个按钮，滑动露出完整按钮
+        val swipeThresholdPx = TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP, -100f, resources.displayMetrics
+        )
        val heldPositions = mutableMapOf<Int, Boolean>()

+        var currentlyHeldPosition: Int = -1
+        
        val itemTouchHelper = ItemTouchHelper(object : ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT) {
            override fun onMove(
                recyclerView: RecyclerView,
@@ -117,21 +124,53 @@ class LinkedUserActivity : AppCompatActivity() {
                    val contentLayout = viewHolder.getContentLayout()
                    val position = viewHolder.adapterPosition

+                    // 如果当前滑动的位置和已展开的位置不同，先收起已展开的项
+                    if (isCurrentlyActive && currentlyHeldPosition != -1 && currentlyHeldPosition != position) {
+                        val oldViewHolder = recyclerView.findViewHolderForAdapterPosition(currentlyHeldPosition)
+                        if (oldViewHolder is LinkedUserAdapter.LinkedUserViewHolder) {
+                            oldViewHolder.getContentLayout().animate()
+                                .translationX(0f)
+                                .setDuration(200)
+                                .start()
+                        }
+                        heldPositions.remove(currentlyHeldPosition)
+                        currentlyHeldPosition = -1
+                    }
+
                    if (isCurrentlyActive) {
-                        val swipeDistance = if (dX < swipeThreshold) swipeThreshold else dX
+                        val isHeld = heldPositions[position]
+                        if (isHeld == true) {
+                            if (dX > 0) {
+                                // 已展开时向右滑动 → 平滑收回
+                                val newX = swipeThresholdPx + dX
+                                // 不能超过原位
+                                contentLayout.translationX = if (newX > 0) 0f else newX
+                            } else {
+                                // 保持展开或继续左滑（限制不超过阈值）
+                                contentLayout.translationX = swipeThresholdPx
+                            }
+                        } else {
+                            // 未展开，正常滑动限制（左滑不超过阈值，右滑不超过原位）
+                            val swipeDistance = when {
+                                dX < swipeThresholdPx -> swipeThresholdPx
+                                dX > 0 -> 0f
+                                else -> dX
+                            }
                            contentLayout.translationX = swipeDistance
+                        }
                    } else {
                        val isHeld = heldPositions[position]
                        if (isHeld == true) {
-                            contentLayout.translationX = swipeThreshold
+                            contentLayout.translationX = swipeThresholdPx
                        }
                    }
                }
            }

            /*
-            - 滑动超过一半后松手：列表项 保持在滑动位置 ，显示"解除关联"按钮
+            - 滑动超过一半后松手：列表项 保持在滑动位置，显示按钮
            - 滑动未超过一半松手：列表项 恢复原位
+            - 已展开状态下向右拖动归位或拖动超过一半松手：恢复原位
            * */
            override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
                super.clearView(recyclerView, viewHolder)
@@ -139,11 +178,16 @@ class LinkedUserActivity : AppCompatActivity() {
                    val position = viewHolder.adapterPosition
                    val contentLayout = viewHolder.getContentLayout()

-                    if (contentLayout.translationX < swipeThreshold / 2) {
+                    // 判断滑动距离是否超过一半阈值（注意都是负数，所以绝对值比较）
+                    if (Math.abs(contentLayout.translationX) > Math.abs(swipeThresholdPx / 2)) {
                        heldPositions[position] = true
-                        contentLayout.translationX = swipeThreshold
+                        currentlyHeldPosition = position
+                        contentLayout.translationX = swipeThresholdPx
                    } else {
                        heldPositions.remove(position)
+                        if (currentlyHeldPosition == position) {
+                            currentlyHeldPosition = -1
+                        }
                        contentLayout.animate()
                            .translationX(0f)
                            .setDuration(300)
--- a/app/src/main/res/layout/item_linked_user.xml
+++ b/app/src/main/res/layout/item_linked_user.xml
@@ -1,40 +1,48 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

-    <!-- 背景删除按钮 -->
+    <!-- 背景按钮层：删除 + 解除关联 两个按钮 -->
    <LinearLayout
-        android:id="@+id/llDelete"
-        android:layout_width="100dp"
+        android:id="@+id/llActions"
+        android:layout_width="match_parent"
        android:layout_height="120dp"
-        android:background="@color/red"
-        android:gravity="center"
-        android:orientation="vertical"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+        android:gravity="end"
+        android:orientation="horizontal">

        <TextView
            android:id="@+id/tvDeleteAction"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+            android:layout_width="100dp"
+            android:layout_height="match_parent"
+            android:background="@color/red"
+            android:gravity="center"
+            android:text="@string/delete"
+            android:textColor="@color/white"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/tvUnlinkAction"
+            android:layout_width="100dp"
+            android:layout_height="match_parent"
+            android:background="@color/red"
+            android:gravity="center"
            android:text="@string/unlink"
            android:textColor="@color/white"
            android:textSize="16sp"
            android:textStyle="bold" />
    </LinearLayout>

-    <!-- 前景内容 -->
+    <!-- 前景内容层：随 swipe 移动 -->
    <LinearLayout
        android:id="@+id/llContent"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:background="@color/white"
        android:orientation="vertical"
-        android:padding="16dp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+        android:padding="16dp">

        <LinearLayout
            android:layout_width="match_parent"
@@ -62,17 +70,17 @@
            android:id="@+id/tvPhone"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
            android:textColor="@color/gray"
-            android:textSize="14sp"
-            android:layout_marginTop="8dp"/>
+            android:textSize="14sp" />

        <TextView
            android:id="@+id/tvIdCard"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
            android:textColor="@color/gray"
-            android:textSize="14sp"
-            android:layout_marginTop="4dp"/>
+            android:textSize="14sp" />
    </LinearLayout>

-</androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>