java - 如何在等待结束过程时真正显示 ProgressDialog

Question

我想显示 ProgressDialog 但 ProgressDialog 从未真正呈现！我想结束这个过程以开始下一个状态。这是我的代码：

ProgressDialog waitProgressDialog = new ProgressDialog(getContext());
            waitProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            waitProgressDialog.setMessage("please wait..");
            waitProgressDialog.setOnShowListener(new OnShowListener() {

                @Override
                public void onShow(DialogInterface dialog) {
                    ExirDebugger.println("----------TEST999999 START");
///same sqlit datasouce select
                    ExirDebugger.println("----------TEST999999 END");
                }
            });
            waitProgressDialog.show();

android 在所有工作结束时不渲染任何东西！谁能帮我？

Answer 1

我用

ProgressDialog dialog = ProgressDialog.show(className.this, "", "Loading. Please wait...", true);

 //Do stuff

dialog.dismiss();