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Code Pull Requests Actions Releases 2 Activity

In StatsFragment, use the handler thread to update the total time

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instead of creating a new thread.
This commit is contained in:
Jimmy Shih
2012-09-04 13:14:31 -07:00
parent 72a6f31790
commit 89496446c1
1 changed files with 14 additions and 38 deletions
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MyTracks/src/com/google/android/apps/mytracks/fragments/StatsFragment.java
+14 -38
View File
@@ -28,9 +28,9 @@ import com.google.android.maps.mytracks.R;
import android.location.Location;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -47,10 +47,10 @@ public class StatsFragment extends Fragment implements TrackDataListener {
public static final String STATS_FRAGMENT_TAG = "statsFragment";
private static final String TAG = StatsFragment.class.getSimpleName();
private static final int ONE_SECOND = 1000;
private TrackDataHub trackDataHub;
private UiUpdateThread uiUpdateThread;
private Handler handler;
private Location lastLocation = null;
private TripStatistics lastTripStatistics = null;
@@ -58,34 +58,16 @@ public class StatsFragment extends Fragment implements TrackDataListener {
// A runnable to update the total time field.
private final Runnable updateTotalTime = new Runnable() {
public void run() {
if (isResumed() && isSelectedTrackRecording() && !isSelectedTrackPaused()
&& lastTripStatistics != null) {
StatsUtils.setTotalTimeValue(getActivity(), System.currentTimeMillis()
- lastTripStatistics.getStopTime() + lastTripStatistics.getTotalTime());
if (isResumed() && isSelectedTrackRecording()) {
if (!isSelectedTrackPaused() && lastTripStatistics != null) {
StatsUtils.setTotalTimeValue(getActivity(), System.currentTimeMillis()
- lastTripStatistics.getStopTime() + lastTripStatistics.getTotalTime());
}
handler.postDelayed(this, ONE_SECOND);
}
}
};
/**
* A thread that updates the total time field every second.
*/
private class UiUpdateThread extends Thread {
@Override
public void run() {
Log.d(TAG, "UI update thread started");
while (isResumed() && isSelectedTrackRecording()) {
getActivity().runOnUiThread(updateTotalTime);
try {
Thread.sleep(1000L);
} catch (InterruptedException e) {
Log.d(TAG, "UI update thread caught exception", e);
break;
}
}
Log.d(TAG, "UI update thread finished");
}
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
@@ -95,6 +77,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
handler = new Handler();
updateUi(getActivity());
}
@@ -108,10 +91,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
public void onPause() {
super.onPause();
pauseTrackDataHub();
if (uiUpdateThread != null) {
uiUpdateThread.interrupt();
uiUpdateThread = null;
}
handler.removeCallbacks(updateTotalTime);
}
@Override
@@ -159,13 +139,9 @@ public class StatsFragment extends Fragment implements TrackDataListener {
@Override
public void onSelectedTrackChanged(Track track) {
if (isResumed()) {
if (uiUpdateThread != null) {
uiUpdateThread.interrupt();
uiUpdateThread = null;
}
handler.removeCallbacks(updateTotalTime);
if (isSelectedTrackRecording()) {
uiUpdateThread = new UiUpdateThread();
uiUpdateThread.start();
handler.post(updateTotalTime);
}
}
}