我正在尝试生成一个进度条来告诉我到目前为止我下载的文件的百分比。进度条正在显示，但它永远不会更新，它保持静态。
while((line = reader.readLine()) != null) {
values.add(line);
}
dialog = new ProgressDialog(ourContext);
dialog.setCancelable(true);
dialog.setMessage("File downloading...");
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
dialog.setProgress(0);
dialog.setMax(values.size());
dialog.show();
progressBarStatus = 0;
fileSize = 0;
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
while(progressBarStatus < values.size()){
for(int i = 0; i < values.size();i++){
String[] data = values.get(i).split(",");
//Log.d("Test drive " ,data[1] );
String[] dateSplit = data[1].split("[-]");
String month = dateSplit[1];
String day = dateSplit[0];
String year = dateSplit[2];
Calendar cal = Calendar.getInstance();
try {
cal.setTime(new SimpleDateFormat("MMM").parse(month));
} catch (ParseException e) {
// TODO Auto-generated catch block
String error = e.toString();
Dialog d = new Dialog(ourContext);
d.setTitle("Error");
TextView tv = new TextView(ourContext);
tv.setText(error);
d.setContentView(tv);
d.show();
}
int monthInt = cal.get(Calendar.MONTH) + 1;
int yearInt = Integer.parseInt(year);
int dayInt = Integer.parseInt(day);
try {
cashPotEntry(dayInt, monthInt, yearInt, data[3], data[2], data[4]);
progressBarStatus++;
Log.d("progress bar" ,progressBarStatus + " " );
Thread.sleep(1000);
} catch (Exception e) {
// TODO Auto-generated catch block
String error = e.toString();
Dialog d = new Dialog(ourContext);
d.setTitle("Error");
TextView tv = new TextView(ourContext);
tv.setText(error);
d.setContentView(tv);
d.show();
}
}
progressBarHandler.post(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
dialog.setProgress(progressBarStatus);
}
});
}
if(progressBarStatus >= values.size()){
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
String error = e.toString();
Dialog d = new Dialog(ourContext);
d.setTitle("Error");
TextView tv = new TextView(ourContext);
tv.setText(error);
d.setContentView(tv);
d.show();
}
dialog.dismiss();
}
}
}).start();
}