104 lines
3.0 KiB
Kotlin
104 lines
3.0 KiB
Kotlin
package com.sw.platecabinet.ext
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import android.os.Handler
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import android.os.Looper
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import android.view.View
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import android.widget.TextView
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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/**
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* 设置 TextView 的双击和单击事件监听器
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* @param doubleClickInterval 双击间隔时间（毫秒），默认 300ms
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* @param onDoubleClick 双击回调
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* @param onSingleClick 单击回调
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*/
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fun TextView.setClickListeners(
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doubleClickInterval: Long = 300,
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onDoubleClick: (View) -> Unit = {},
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onSingleClick: (View) -> Unit = {}
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) {
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var clickCount = 0
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val handler = Handler(Looper.getMainLooper())
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setOnClickListener { view ->
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clickCount++
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handler.postDelayed({
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if (clickCount == 1) {
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onSingleClick(view)
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} else if (clickCount == 2) {
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onDoubleClick(view)
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}
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clickCount = 0 // 重置计数
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}, doubleClickInterval)
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}
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}
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fun View.clickWithCoroutines(
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doubleClickInterval: Long = 300,
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onDoubleClick: (View) -> Unit = {},
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onSingleClick: (View) -> Unit = {}
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) {
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var pendingItem: View? = null
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var lastClickTime: Long = 0
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var clickJob: Job? = null
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setOnClickListener { view ->
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val currentTime = System.currentTimeMillis()
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// 如果是同一控件且在双击间隔内，则判定为双击
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if (pendingItem === view && currentTime - lastClickTime < doubleClickInterval) {
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// 取消之前的单击任务
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clickJob?.cancel()
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onDoubleClick(view)
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pendingItem = null
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} else {
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// 取消之前的单击任务
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clickJob?.cancel()
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// 启动新的单击任务
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clickJob = CoroutineScope(Dispatchers.Main).launch {
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delay(doubleClickInterval)
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onSingleClick(view)
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}
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pendingItem = view
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lastClickTime = currentTime
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}
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}
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}
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//fun View.clickWithDebounce(delay: Long = 500, action: () -> Unit) {
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// var job: Job? = null
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// setOnClickListener {
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// job?.cancel()
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// job = CoroutineScope(Dispatchers.Main).launch {
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// delay(delay)
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// action()
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// }
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// }
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//}
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/**
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* 极简版防重复点击扩展函数
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* @param delay 防抖时间（默认300ms）
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* @param action 点击执行逻辑
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*/
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fun View.clickWithDebounce(delay: Long = 500, action: () -> Unit) {
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setOnClickListener {
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// 用View的tag存储是否可点击的状态（默认可点击）
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if (tag as? Boolean ?: true) {
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tag = false // 标记为不可点击
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action() // 立即执行点击逻辑
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// 启动协程，延迟后恢复可点击状态
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CoroutineScope(Dispatchers.Main).launch {
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delay(delay)
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tag = true // 恢复可点击
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}
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}
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}
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} |