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QueuedUiRunnableFragment
import android.content.Intent;
import com.actionbarsherlock.app.SherlockFragment;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
/**
* Created with Intellij with Android, BIZZBY product.
* This file is Exclusivly licenced under Apache Commons Licence 2.0
* <p/>
* User: chris
* Date: 22/12/2012
* Time: 16:11
*/
public class BaseFragment extends SherlockFragment
{
// UI Runnables
private final List<Runnable> mUiRunnables = new LinkedList<Runnable>();
private boolean mIsPaused = false;
// ============
@Override
public void onResume()
{
super.onResume();
mIsPaused = false;
runQueuedUiRunnables();
}
@Override
public void onPause()
{
mIsPaused = true;
super.onPause();
}
/**
* Is the fragment paused?
*
* @return
*/
public boolean isPaused()
{
return mIsPaused;
}
/**
* Add a runnable task that can only be run during the activity being alive, things like dismissing dialogs when a background
* task completes when the user is away from the activity.
*
* @param runnable runnable to run during the ui being alive.
*/
protected void postUiRunnable(final Runnable runnable)
{
QLog.v("UiRunnables = " + runnable);
if (null == runnable){
return;
}
if (!mIsPaused && BaseActivity.isUiThread())
{
runnable.run();
}
else if (!mIsPaused && !BaseActivity.isUiThread() && getActivity() != null)
{
getActivity().runOnUiThread(runnable);
}
else
{
mUiRunnables.add(runnable);
}
}
/**
* Will run any pending UiRunnables on resuming the activity
*/
private void runQueuedUiRunnables()
{
if (mIsPaused) return;
if (mUiRunnables.isEmpty()) return;
QLog.d("UiRunnables Running");
final Iterator<Runnable> it = mUiRunnables.iterator();
Runnable run;
while (it.hasNext())
{
run = it.next();
run.run();
it.remove();
}
}
}
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