在安卓系统中防止双击按钮的最佳方法是什么?


当前回答

具有Kotlin扩展功能:

fun View.onSingleClick(action: (v: View) -> Unit) {
    setOnClickListener(object : View.OnClickListener {
        override fun onClick(v: View) {
            isClickable = false
            action(v)
            postDelayed({ isClickable = true }, 700)
        }
    })
}

用法:

button.onSingleClick { myAction() }

其他回答

您也可以使用jake Wharton的rx绑定来实现这一点。下面是一个连续点击之间间隔2秒的例子:

RxView.clicks(btnSave)
                .throttleFirst(2000, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Object>() {
                    @Override
                    public void accept( Object v) throws Exception {
//handle onclick event here
                });

//注意:忽略对象v在这种情况下,我认为总是。

在Java中有一个本地debounce click监听器

view.setOnClickListener(new DebouncedOnClickListener(1000) { //in milisecs
            @Override
            public void onDebouncedClick(View v) {
                //action
            }
        });

在kotlin

button.setOnClickListener { 
    it?.apply { isEnabled = false; postDelayed({ isEnabled = true }, 400) } //400 ms
    //do your work
}

KLEANEST Kotlin惯用方式:

class OnSingleClickListener(private val block: () -> Unit) : View.OnClickListener {

    private var lastClickTime = 0L

    override fun onClick(view: View) {
        if (SystemClock.elapsedRealtime() - lastClickTime < 1000) {
            return
        }
        lastClickTime = SystemClock.elapsedRealtime()

        block()
    }
}

fun View.setOnSingleClickListener(block: () -> Unit) {
    setOnClickListener(OnSingleClickListener(block))
}

用法:

button.setOnSingleClickListener { ... }

或者加上一个控制油门的附加参数

class OnClickListenerThrottled(private val block: () -> Unit, private val wait: Long) : View.OnClickListener {

    private var lastClickTime = 0L

    override fun onClick(view: View) {
        if (SystemClock.elapsedRealtime() - lastClickTime < wait) {
            return
        }
        lastClickTime = SystemClock.elapsedRealtime()

        block()
    }
}

/**
 * A throttled click listener that only invokes [block] at most once per every [wait] milliseconds.
 */
fun View.setOnClickListenerThrottled(wait: Long = 1000L, block: () -> Unit) {
    setOnClickListener(OnClickListenerThrottled(block, wait))
}

Usages:

button.setOnClickListenerThrottled(2000L) { /** some action */}
or
button.setOnClickListenerThrottled { /** some action */}

点击保护工作与黄油刀

ClickGuard.guard(mPlayButton);