You can use AsyncTask that gets a progress bar like that:
public abstract class BaseTask extends AsyncTask<String, Integer, String>
{
private ProgressBar m_progressBar;
protected BaseTask(ProgressBar p)
{
m_progressBar = p;
}
@Override
protected void onPreExecute()
{
if (m_progressBar != null)
{
m_progressBar.setProgress(0);
}
}
@Override
protected void onPostExecute(String result)
{
if (m_progressBar != null)
m_progressBar.setVisibility(ProgressBar.GONE);
}
public void OnProgress(int prog)
{
if (m_progressBar != null)
{
m_progressBar.setProgress(prog);
}
}
}
To add a progress bar in your xml:
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp" />
To initialize the progress bar in your code:
ProgressBar p = (ProgressBar)findViewById(R.id.progressBar);
p.setVisibility(ProgressBar.VISIBLE);
p.setMax(100);