Created
January 28, 2020 15:33
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Debounce Click Listener Extension which prevents user invoking some function to often
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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() | |
} | |
}) | |
} |
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import android.os.SystemClock
import android.view.View
import androidx.annotation.IntRange
import androidx.annotation.UiThread