Simple solution for classic "debouncing" problem (ability of user to click simultaneously on several UI elements or fast clicking on one element with asynchronous result )

DebouncedClickListener.java

package com.example;

import android.support.annotation.NonNull;
import android.view.View;

/**
 * Simple solution for classic "debouncing" problem (ability of user to click simultaneously
 * on several UI elements or fast clicking on one element with asynchronous result )
 */
public abstract class DebouncedClickListener implements View.OnClickListener{
    public static final int DEFAULT_MIN_CLICK_INTERVAL_MS = 750;
    private static ClickLock clickLockGlobal = new ClickLock(DEFAULT_MIN_CLICK_INTERVAL_MS, true);
    public ClickLock clickLock;

    public static class ClickLock {
        private final int minClickIntervalMs;
        private final boolean autoUnlock;
        public long lastClickTime;
        public boolean lockedState = false;

        public ClickLock(int minClickIntervalMs, boolean autoUnlock) {
            this.minClickIntervalMs = minClickIntervalMs;
            this.autoUnlock = autoUnlock;
        }
    }

    public DebouncedClickListener(@NonNull ClickLock clickLock) {
        this.clickLock = clickLock;
    }

    public DebouncedClickListener() {
        this(clickLockGlobal);
    }

    @Override
    public void onClick(View v) {
        if (clickLock.lockedState && !clickLock.autoUnlock) {
            return;//only manually unlock is possible
        }

        long now = System.currentTimeMillis();
        if ((now - clickLock.lastClickTime) < clickLock.minClickIntervalMs) {
            return;
        }
        clickLock.lastClickTime = now;
        clickLock.lockedState = true;
        onClickDebounced(v);
    }

    public abstract void onClickDebounced(View v);
}