TrackRecordingServiceConnection: use a callback instead of a Runnable.

This commit is contained in:
Dennis Guse
2022-01-10 22:44:38 +01:00
parent 522d8b41d8
commit 46cf7f9acf
8 changed files with 68 additions and 145 deletions
@@ -60,21 +60,11 @@ public class ControllerFragment extends Fragment implements View.OnTouchListener
private TrackRecordingService.RecordingStatus recordingStatus;
private TrackRecordingService.RecordingData recordingData;
private final Runnable bindChangedCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
service.getRecordingStatusObservable()
.observe(ControllerFragment.this, status -> onRecordingStatusChanged(status));
service.getRecordingDataObservable()
.observe(ControllerFragment.this, recordingData -> onTotalTimeChanged(recordingData));
}
private final TrackRecordingServiceConnection.Callback bindChangedCallback = service -> {
service.getRecordingStatusObservable()
.observe(ControllerFragment.this, this::onRecordingStatusChanged);
service.getRecordingDataObservable()
.observe(ControllerFragment.this, this::onTotalTimeChanged);
};
@Override
@@ -20,7 +20,6 @@ import android.app.SearchManager;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
@@ -70,19 +69,8 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
private TrackRecordingServiceConnection trackRecordingServiceConnection;
private final Runnable bindCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
service.getRecordingStatusObservable()
.observe(MarkerListActivity.this, status -> onRecordingStatusChanged(status));
}
};
private final TrackRecordingServiceConnection.Callback bindCallback = service -> service.getRecordingStatusObservable()
.observe(MarkerListActivity.this, this::onRecordingStatusChanged);
// Callback when an item is selected in the contextual action mode
private final ContextualActionModeCallback contextualActionModeCallback = new ContextualActionModeCallback() {
@@ -28,7 +28,6 @@ import android.graphics.drawable.AnimatedVectorDrawable;
import android.location.LocationManager;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.Menu;
@@ -128,32 +127,21 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
private MenuItem searchMenuItem;
private MenuItem startGpsMenuItem;
// Callback when the trackRecordingServiceConnection binding changes.
private final Runnable bindChangedCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.e(TAG, "service not available to start gps or a new recording");
return;
}
private final TrackRecordingServiceConnection.Callback bindChangedCallback = service -> {
service.getRecordingStatusObservable()
.observe(TrackListActivity.this, this::onRecordingStatusChanged);
service.getRecordingStatusObservable()
.observe(TrackListActivity.this, status -> onRecordingStatusChanged(status));
service.getGpsStatusObservable()
.observe(TrackListActivity.this, this::onGpsStatusChanged);
// Get GPS status and listen GPS status changes.
service.getGpsStatusObservable()
.observe(TrackListActivity.this, status -> onGpsStatusChanged(status));
updateGpsMenuItem(true, recordingStatus.isRecording());
updateGpsMenuItem(true, recordingStatus.isRecording());
if (service.getGpsStatusObservable().getValue().isGpsStarted()) {
return;
}
//TODO Not cool to do this in a callback that might be called more than once!
service.tryStartGps();
if (service.getGpsStatusObservable().getValue().isGpsStarted()) {
return;
}
//TODO Not cool to do this in a callback that might be called more than once!
service.tryStartGps();
};
@Override
@@ -305,12 +293,11 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
} else {
// Invoke trackRecordingService
if (!gpsStatusValue.isGpsStarted()) {
trackRecordingServiceConnection.startAndBind(this);
bindChangedCallback.run();
trackRecordingServiceConnection.startAndBindWithCallback(this);
} else {
TrackRecordingService trackRecordingService = trackRecordingServiceConnection.getServiceIfBound();
if (trackRecordingService != null) {
trackRecordingService.stopGpsAndShutdown();
trackRecordingService.stopGpsAndShutdown(); //TODO Handle this in TrackRecordingServiceConnection
}
trackRecordingServiceConnection.unbindAndStop(this);
}
@@ -77,20 +77,8 @@ public class TrackRecordedActivity extends AbstractTrackDeleteActivity implement
private TrackRecordingServiceConnection trackRecordingServiceConnection;
private final Runnable bindCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
service.getRecordingStatusObservable()
.observe(TrackRecordedActivity.this, status -> onRecordingStatusChanged(status));
}
};
private final TrackRecordingServiceConnection.Callback bindCallback = service -> service.getRecordingStatusObservable()
.observe(TrackRecordedActivity.this, this::onRecordingStatusChanged);
private final SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
@Override
@@ -67,14 +67,9 @@ public class TrackRecordingActivity extends AbstractActivity implements ChooseAc
private TrackRecordingService.RecordingStatus recordingStatus = TrackRecordingService.STATUS_DEFAULT;
private final Runnable bindChangedCallback = new Runnable() {
private final TrackRecordingServiceConnection.Callback bindChangedCallback = new TrackRecordingServiceConnection.Callback() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
public void onConnected(TrackRecordingService service) {
service.getRecordingStatusObservable()
.observe(TrackRecordingActivity.this, status -> onRecordingStatusChanged(status));
@@ -211,13 +206,7 @@ public class TrackRecordingActivity extends AbstractActivity implements ChooseAc
trackDataHub.setRecordingStatus(recordingStatus);
}
/*
* If the binding has happened, then invoke the callback to start a new recording.
* If the binding hasn't happened, then invoking the callback will have no effect.
* But when the binding occurs, the callback will get invoked.
*/
trackRecordingServiceConnection.startAndBind(this);
bindChangedCallback.run();
trackRecordingServiceConnection.startAndBindWithCallback(this);
}
@Override
@@ -2,7 +2,6 @@ package de.dennisguse.opentracks.fragments;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -76,19 +75,8 @@ public class StatisticsRecordingFragment extends Fragment {
}
};
private final Runnable bindChangedCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
service.getRecordingDataObservable()
.observe(StatisticsRecordingFragment.this, recordingData -> onRecordingDataChanged(recordingData));
}
};
private final TrackRecordingServiceConnection.Callback bindChangedCallback = service -> service.getRecordingDataObservable()
.observe(StatisticsRecordingFragment.this, this::onRecordingDataChanged);
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
@@ -27,6 +27,7 @@ import android.util.Log;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import de.dennisguse.opentracks.BuildConfig;
import de.dennisguse.opentracks.R;
@@ -44,8 +45,7 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
private static final String TAG = TrackRecordingServiceConnection.class.getSimpleName();
@Deprecated //TODO Implement proper interface that passes the current TrackRecordingService
private final Runnable callback;
private final Callback callback;
private TrackRecordingService trackRecordingService;
@@ -53,10 +53,7 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
callback = null;
}
/**
* @param callback the callback to invoke when the service binding changes
*/
public TrackRecordingServiceConnection(@NonNull Runnable callback) {
public TrackRecordingServiceConnection(@NonNull Callback callback) {
this.callback = callback;
}
@@ -82,6 +79,23 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
startConnection(context);
}
//TODO There should be a better way to implement this.
/**
* Triggers the onConnected() callback even if already connected.
*/
//TODO Check if this is actually needed as it is used to re-connect from Activities in onResume by using a LiveData; might be obsolete. If not, there should be a better way to implement this.
@Deprecated
public void startAndBindWithCallback(Context context) {
if (trackRecordingService == null) {
startAndBind(context);
return;
}
if (callback != null) {
callback.onConnected(trackRecordingService);
}
}
/**
* Resumes the track recording service connection.
*
@@ -118,22 +132,19 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
context.stopService(new Intent(context, TrackRecordingService.class));
}
/**
* Gets the track recording service if bound. Returns null otherwise
*/
@Nullable
public TrackRecordingService getServiceIfBound() {
return trackRecordingService;
}
/**
* Sets the trackRecordingService.
*
* @param value the value
*/
private void setTrackRecordingService(TrackRecordingService value) {
trackRecordingService = value;
if (callback != null) {
callback.run();
if (value != null) {
callback.onConnected(value);
} else {
callback.onDisconnected();
}
}
}
@@ -160,31 +171,18 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
setTrackRecordingService(null);
}
/**
* Resumes the recording track.
*/
public void resumeTrack() {
TrackRecordingService service = getServiceIfBound();
if (service != null) {
service.resumeCurrentTrack();
if (trackRecordingService != null) {
trackRecordingService.resumeCurrentTrack();
}
}
/**
* Pauses the recording track.
*/
public void pauseTrack() {
TrackRecordingService service = getServiceIfBound();
if (service != null) {
service.pauseCurrentTrack();
if (trackRecordingService != null) {
trackRecordingService.pauseCurrentTrack();
}
}
/**
* Adds a marker.
*
* @return the id of the marker or null if none could be created.
*/
@Nullable
public Marker.Id addMarker(Context context, String name, String category, String description, String photoUrl) {
TrackRecordingService trackRecordingService = getServiceIfBound();
if (trackRecordingService == null) {
@@ -214,4 +212,11 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
}
unbindAndStop(context);
}
public interface Callback {
void onConnected(TrackRecordingService service);
default void onDisconnected() {
}
}
}
@@ -1,7 +1,6 @@
package de.dennisguse.opentracks.settings;
import android.os.Bundle;
import android.util.Log;
import androidx.fragment.app.DialogFragment;
import androidx.preference.Preference;
@@ -17,20 +16,9 @@ public class MainSettingsFragment extends PreferenceFragmentCompat {
private TrackRecordingService.RecordingStatus recordingStatus = TrackRecordingService.STATUS_DEFAULT;
private TrackRecordingServiceConnection trackRecordingServiceConnection;
private final Runnable bindServiceCallback = new Runnable() {
@Override
public void run() {
TrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
if (service == null) {
Log.w(TAG, "could not get TrackRecordingService");
return;
}
service.getRecordingStatusObservable()
.observe(MainSettingsFragment.this, status -> onRecordingStatusChanged(status));
}
};
private final TrackRecordingServiceConnection.Callback bindServiceCallback =
service -> service.getRecordingStatusObservable()
.observe(MainSettingsFragment.this, this::onRecordingStatusChanged);
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {