如何在Android中延迟秒数？ [英] How to delay seconds in android?

问题描述

我想延迟几秒钟并显示Toast，我尝试 SystemClock.sleep

I want to delay seconds and show Toast,I try to SystemClock.sleep

但它只显示最后一条消息（ 10s）...

But it only show last message("10s")...

Toast.makeText(MainActivity.this,"1s", Toast.LENGTH_SHORT).show();
SystemClock.sleep(5000);
Toast.makeText(MainActivity.this,"5s", Toast.LENGTH_SHORT).show();
SystemClock.sleep(5000);
Toast.makeText(MainActivity.this,"10s", Toast.LENGTH_SHORT).show();

应该按顺序显示1s，5s，10s吗？

That should be displayed in sequence 1s, 5s, 10s is not it?

我也参考了这种做法，但是无法实现...
如何在android中设置延迟？

I also made reference to this practice, but it can not be achieved... How to set delay in android?

那么问题出在哪里？

推荐答案

尝试处理程序

public void showToast(final String message, int timeInMilliSeconds, final Context context) {
    Runnable runnable = new Runnable() {
        @Override
        public void run() {
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
        }
    };
    Handler handler = new Handler();
    handler.postDelayed(runnable, timeInMilliSeconds);
}

用法：

showToast("1s, 1000, this);
showToast("5s, 5000, this);
showToast("10s, 10000, this);

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