ProgressDialog progressDialog =
null;
public static final int MESSAGETYPE = 0
;
private void execute() {
try {
progressDialog =
ProgressDialog.show(context
"请稍等...", "数据正在加载中......",
true);
new Thread(
new Runnable() {
@Override
public void run() {
//请求网络数据加载实现代码
Message msg_netData =
new Message();
msg_netData.obj = dropList;
//传送数据
msg_netData.what =
MESSAGETYPE;
operate.sendMessage(msg_netData);
}
}).start();
} catch (Exception e) {
e.printStackTrace();
}
}
private Handler operate =
new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGETYPE:
progressDialog.dismiss();
break;
default:
break;
}
}
};
线程通信必须放在线程内，否则不会提前弹出进步条，也就是这段代码必须放在线程内
Message msg_netData = new Message(); msg_netData.obj = data; operate.sendMessage(msg_netData);
如果放在线程外，只会等到所有的数据加载完后同步到界面上显示。
转载自：android 网络异步加载数据进度条
转载于:https://www.cnblogs.com/changyaohua/p/4675508.html
