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@macsystems
Created January 28, 2020 15:33
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Debounce Click Listener Extension which prevents user invoking some function to often
private const val defaultDebounce: Long = 500
/**
* Prevents that the click events gets called too often by fast clicking user
*/
@UiThread
fun View.setDebounceOnClickListener(@IntRange(from = 0, to = Integer.MAX_VALUE.toLong()) debounceTime: Long = defaultDebounce, listener: (View) -> Unit) {
this.setOnClickListener(object : View.OnClickListener {
private var lastClickTime: Long = 0
override fun onClick(v: View) {
if (SystemClock.elapsedRealtime() - lastClickTime < debounceTime) return
else listener(v)
lastClickTime = SystemClock.elapsedRealtime()
}
})
}
/**
* Prevents that the click events gets called too often by fast clicking user
*/
@UiThread
fun View.setDebounceOnClickListener(listener: View.OnClickListener) {
this.setOnClickListener(object : View.OnClickListener {
private var lastClickTime: Long = 0
override fun onClick(v: View) {
if (SystemClock.elapsedRealtime() - lastClickTime < defaultDebounce) return
else listener.onClick(v)
lastClickTime = SystemClock.elapsedRealtime()
}
})
}
/**
* Prevents that the click events gets called too often by fast clicking user
*/
@UiThread
fun View.setDebounceOnClickListener(@IntRange(from = 0, to = Integer.MAX_VALUE.toLong()) debounceTime: Long = defaultDebounce, listener: View.OnClickListener) {
this.setOnClickListener(object : View.OnClickListener {
private var lastClickTime: Long = 0
override fun onClick(v: View) {
if (SystemClock.elapsedRealtime() - lastClickTime < debounceTime) return
else listener.onClick(v)
lastClickTime = SystemClock.elapsedRealtime()
}
})
}
@macsystems
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import android.os.SystemClock
import android.view.View
import androidx.annotation.IntRange
import androidx.annotation.UiThread

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