Prevent double click

OneClickListener.java

import android.view.View;

public abstract class OneClickListener implements View.OnClickListener {

    private long lastClickTime = 0;
    private static long DIFF = 1000;

    @Override
    public void onClick(View v) {
        if (!isFastDoubleClick()) {
            doClick(v);
        }
    }

    /**
     * Determine whether double-click quickly
     *
     * @return
     */
    public boolean isFastDoubleClick() {
        long time = System.currentTimeMillis();
        long timeD = time - lastClickTime;
        if (lastClickTime > 0 && timeD < DIFF) {
            return true;
        }
        lastClickTime = time;
        return false;
    }

    public abstract void doClick(View v);
}