本文介绍了Android - 创建进度对话框的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!
问题描述
我是安卓开发新手.我想在我的应用程序中开发一个带有 progressbar
的 dialog
.当我单击搜索按钮时,dialog
应该与 progressbar
一起出现,显示在切换到另一个 activity
之前进度正在进行.请用示例代码向我推荐.
I am new to android development. I want to develop a dialog
with a progressbar
in my application. When i click the search button the dialog
should appear with the progressbar
, showing that the progress is going on before switching to another activity
. Please suggest me with sample code.
推荐答案
使用 ProgressDialog
.不过,您应该在一个新的 thread
上完成这项工作,并在完成后使用 handler
回调 activity
.这是我的做法:
Use a ProgressDialog
. You should do the work on a new thread
, though, and use a handler
to call back to the activity
when finished. Here's how I do it:
private ProgressDialog pd;
private View.OnClickListener searchClick = new View.OnClickListener() {
@Override
public void onClick(View v) {
pd = ProgressDialog.show(MyActivity.this, "Searching...", "Searching for matches", true, false);
new Thread(new Runnable() {
public void run() {
//do work
//.....
finishedHandler.sendEmptyMessage();
}
}).start();
}
}
private Handler finishedHandler = new Handler() {
@Override public void handleMessage(Message msg) {
pd.dismiss();
//start new activity
}
}
这篇关于Android - 创建进度对话框的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!
本站部分内容来源互联网,如果有图片或者内容侵犯了您的权益,请联系我们,我们会在确认后第一时间进行删除!