我想在加载ListView时显示ProgressDialog。我已经尝试过类似的编码，但它没有用。finalProgressDialogdialog=ProgressDialog.show(this,"indeterminate","Pleasewaitwhileloading",true);finalHandlerhandler=newHandler(){publicvoidhandleMessage(Messagemsg){dialog.dismiss();}};ThreadcheckUpdate=newThread(){publicvoidrun(){//listviewwill