java - 如何每 2 秒更改一次 ProgressDialog 的消息？

Question

我有 ProgressDialog，我想每 2 秒更改一次消息。在此代码中，我将进度时间设置为 10 秒。所以我想让它有 5 条消息。

private void showProgressDialog() {

    progressDialog = new ProgressDialog(this, getProgressDailogStyle());
    progressDialog.setMessage("Processing ...");
    progressDialog.show();
    progressDialog.setCancelable(false);

    Handler handler = new Handler();
    handler.postDelayed(new Runnable() {
        public void run() {
            progressDialog.dismiss();
            mInterstitialAd.show();
        }
    }, 10000);
}

Answer 1

您可以使用 CountDownTimer

    count = 0;
    progressDialog = new ProgressDialog(this, getProgressDailogStyle());
    progressDialog.setMessage("Processing ...");
    progressDialog.show();
    progressDialog.setCancelable(false);

    new CountDownTimer(10000, 2000) {

        public void onTick(long millisUntilFinished) {
            //here you can have your logic to set message
            count=count+1;
            if (count==1){
                progressDialog.setMessage("Processing 1");
            }else if (count==2){
                progressDialog.setMessage("Processing 2");
            } 
              // until the count = 5 


        }

        public void onFinish() {
            //the progress is finish
            count = 0;
            progressDialog.dismiss();

        }

    }.start();