forked from upstream-mirrors/OpenTracks
Intervals refactoring: avoid duplication code: IntervalsRecordingFragment is a version of IntervalsFragment.
This commit is contained in:
Román
@@ -0,0 +1,209 @@
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package de.dennisguse.opentracks.fragments;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.Handler;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import android.widget.Spinner;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import androidx.lifecycle.LiveData;
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import androidx.lifecycle.ViewModelProvider;
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import java.util.Arrays;
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import de.dennisguse.opentracks.R;
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import de.dennisguse.opentracks.TrackRecordingActivity;
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import de.dennisguse.opentracks.adapters.IntervalStatisticsAdapter;
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import de.dennisguse.opentracks.content.data.Track;
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import de.dennisguse.opentracks.util.PreferencesUtils;
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import de.dennisguse.opentracks.util.UnitConversions;
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import de.dennisguse.opentracks.viewmodels.IntervalStatistics;
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import de.dennisguse.opentracks.viewmodels.IntervalStatisticsModel;
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/**
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* A fragment to display the intervals from recorded track.
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*/
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public class IntervalsFragment extends Fragment {
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private static final String TAG = IntervalsFragment.class.getSimpleName();
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private static final String TRACK_ID_KEY = "trackId";
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private IntervalStatisticsModel viewModel;
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private ListView intervalListView;
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private IntervalStatisticsModel.IntervalOption selectedInterval;
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private IntervalStatisticsAdapter adapter;
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protected Spinner spinnerIntervals;
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protected TextView spinnerIntervalsUnit;
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private Track.Id trackId;
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protected final SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener = (preferences, key) -> {
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if (PreferencesUtils.isKey(getContext(), R.string.stats_units_key, key) || PreferencesUtils.isKey(getContext(), R.string.stats_rate_key, key)) {
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if (spinnerIntervalsUnit != null) {
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spinnerIntervalsUnit.setText(PreferencesUtils.isMetricUnits(getContext()) ? getContext().getString(R.string.unit_kilometer) : getContext().getString(R.string.unit_mile));
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intervalChanged();
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}
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}
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};
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public static Fragment newInstance(Track.Id trackId) {
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Bundle bundle = new Bundle();
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bundle.putParcelable(TRACK_ID_KEY, trackId);
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Fragment fragment = new IntervalsFragment();
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fragment.setArguments(bundle);
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return fragment;
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}
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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return inflater.inflate(R.layout.interval_list_view, container, false);
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}
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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PreferencesUtils.register(getContext(), sharedPreferenceChangeListener);
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if (savedInstanceState != null) {
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trackId = savedInstanceState.getParcelable(TRACK_ID_KEY);
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} else {
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trackId = getArguments().getParcelable(TRACK_ID_KEY);
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}
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intervalListView = view.findViewById(R.id.interval_list);
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intervalListView.setEmptyView(view.findViewById(R.id.interval_list_empty_view));
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viewModel = new ViewModelProvider(this).get(IntervalStatisticsModel.class);
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spinnerIntervals = view.findViewById(R.id.spinner_intervals);
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int[] intValues = Arrays.stream(IntervalStatisticsModel.IntervalOption.values()).mapToInt(i -> i.getValue()).toArray();
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spinnerIntervals.setAdapter(new ArrayAdapter<>(getContext(), android.R.layout.simple_spinner_dropdown_item, Arrays.stream(intValues).mapToObj(String::valueOf).toArray(String[]::new)));
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spinnerIntervalsUnit = view.findViewById(R.id.spinner_intervals_unit);
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spinnerIntervalsUnit.setText(PreferencesUtils.isMetricUnits(getContext()) ? getContext().getString(R.string.unit_kilometer) : getContext().getString(R.string.unit_mile));
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spinnerIntervals.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
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selectedInterval = IntervalStatisticsModel.IntervalOption.values()[i];
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intervalChanged();
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}
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@Override
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public void onNothingSelected(AdapterView<?> adapterView) {
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}
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});
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intervalChanged();
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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PreferencesUtils.unregister(getContext(), sharedPreferenceChangeListener);
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intervalListView = null;
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adapter = null;
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spinnerIntervals = null;
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spinnerIntervalsUnit = null;
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viewModel = null;
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}
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@Override
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public void onSaveInstanceState(@NonNull Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putParcelable(TRACK_ID_KEY, trackId);
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}
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/**
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* Update intervals through {@link IntervalStatisticsModel} view model.
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*/
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public void intervalChanged() {
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if (viewModel == null || intervalListView == null) {
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return;
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}
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LiveData<IntervalStatistics> liveData = viewModel.getIntervalStats(trackId, selectedInterval);
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liveData.observe(getActivity(), intervalStatistics -> {
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if (intervalStatistics != null) {
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adapter = new IntervalStatisticsAdapter(getContext(), intervalStatistics.getIntervalList());
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intervalListView.setAdapter(adapter);
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}
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});
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}
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public void setTrackId(Track.Id trackId) {
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this.trackId = trackId;
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}
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public static class IntervalsRecordingFragment extends IntervalsFragment implements TrackRecordingActivity.OnTrackIdListener {
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// Refreshing intervals stats it's not so demanding so 5 seconds is enough to balance performance and user experience.
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private static final long UI_UPDATE_INTERVAL = 5 * UnitConversions.ONE_SECOND_MS;
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private Handler intervalHandler;
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private final Runnable intervalRunner = new Runnable() {
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@Override
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public void run() {
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if (isResumed()) {
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updateIntervals();
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intervalHandler.postDelayed(intervalRunner, UI_UPDATE_INTERVAL);
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}
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}
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};
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public static Fragment newInstance(Track.Id trackId) {
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Bundle bundle = new Bundle();
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bundle.putParcelable(TRACK_ID_KEY, trackId);
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Fragment fragment = new IntervalsRecordingFragment();
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fragment.setArguments(bundle);
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return fragment;
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}
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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((TrackRecordingActivity) getActivity()).setTrackIdListener(this);
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intervalHandler = new Handler();
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super.onViewCreated(view, savedInstanceState);
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}
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@Override
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public void onResume() {
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super.onResume();
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intervalHandler.post(intervalRunner);
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}
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@Override
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public void onPause() {
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super.onPause();
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intervalHandler.removeCallbacks(intervalRunner);
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}
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private void updateIntervals() {
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intervalChanged();
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}
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@Override
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public void onTrackId(Track.Id trackId) {
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setTrackId(trackId);
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}
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}
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}
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