android : ProgressDialog 進度條的快捷使用

private ProgressDialog myProgressDialog = null;//進度條 //顯示進度提示 public void showProgress(String title, String msg) { try { if (myProgressDialog != null) { myProgressDialog.cancel(); } myProgressDialog = ProgressDialog.show(this, title, msg); myProgressDialog.setCancelable(false); } catch (Exception e) { } finally { } }    //取消進度提示 public void cancelProgress(){ try { if (myProgressDialog!=null) { myProgressDialog.dismiss(); myProgressDialog.cancel(); } } catch (Exception e) { } finally { } }