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Code Pull Requests Actions Releases 2 Activity

Performance: Keep reference to sharedPreferences.

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So far, we opened the SharedPreferences very often, which is very slow; also happened in the UI thread a lot.

Fixes #642.
This commit is contained in:
Dennis Guse
2021-03-15 12:01:32 +01:00
committed by GitHub
parent eebc33f60c
commit 15fbd90ca4
39 changed files with 355 additions and 344 deletions
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src/main/java/de/dennisguse/opentracks/settings/SettingsActivity.java
+21 -8
View File
@@ -91,7 +91,9 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
public static class PrefsFragment extends PreferenceFragmentCompat {
private final SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener = (preferences, key) -> {
private SharedPreferences sharedPreferences;
private final SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener = (sharedPreferences, key) -> {
if (PreferencesUtils.isKey(getActivity(), R.string.recording_track_id_key, key)) {
getActivity().runOnUiThread(this::updateReset);
}
@@ -99,7 +101,7 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
getActivity().runOnUiThread(this::updateUnits);
}
if (PreferencesUtils.isKey(getActivity(), R.string.night_mode_key, key)) {
getActivity().runOnUiThread(() -> ActivityUtils.applyNightMode(getContext()));
getActivity().runOnUiThread(() -> ActivityUtils.applyNightMode(sharedPreferences, getContext()));
}
};
@@ -108,6 +110,8 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
sharedPreferences = PreferencesUtils.getSharedPreferences(getContext());
try {
setPreferencesFromResource(R.xml.settings, rootKey);
} catch (ClassCastException e) {
@@ -123,7 +127,7 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
Preference instantExportDirectoryPreference = findPreference(getString(R.string.settings_default_export_directory_key));
instantExportDirectoryPreference.setSummaryProvider(preference -> {
DocumentFile directory = PreferencesUtils.getDefaultExportDirectoryUri(getContext());
DocumentFile directory = PreferencesUtils.getDefaultExportDirectoryUri(sharedPreferences, getContext());
//Use same value for not set as Androidx ListPreference and EditTextPreference
return directory != null ? directory.getName() : getString(R.string.not_set);
});
@@ -132,7 +136,10 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
@Override
public void onResume() {
super.onResume();
PreferencesUtils.getSharedPreferences(getActivity()).registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
sharedPreferenceChangeListener.onSharedPreferenceChanged(sharedPreferences, null);
updateUnits();
updateReset();
updateBluetooth();
@@ -142,13 +149,13 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
private void updatePostWorkoutExport() {
Preference instantExportEnabledPreference = findPreference(getString(R.string.post_workout_export_enabled_key));
instantExportEnabledPreference.setEnabled(PreferencesUtils.isDefaultExportDirectoryUri(getContext()));
instantExportEnabledPreference.setEnabled(PreferencesUtils.isDefaultExportDirectoryUri(sharedPreferences, getContext()));
}
@Override
public void onPause() {
super.onPause();
PreferencesUtils.getSharedPreferences(getActivity()).unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
sharedPreferences.unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
}
@Override
@@ -176,6 +183,12 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
super.onDisplayPreferenceDialog(preference);
}
@Override
public void onDestroy() {
super.onDestroy();
sharedPreferences = null;
}
public void setDefaultActivity(String iconValue) {
if (activityPreferenceDialog != null) {
activityPreferenceDialog.updateUI(iconValue);
@@ -183,7 +196,7 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
}
private void updateReset() {
final boolean isRecording = PreferencesUtils.isRecording(getActivity());
final boolean isRecording = PreferencesUtils.isRecording(sharedPreferences, getActivity());
Preference resetPreference = findPreference(getString(R.string.settings_reset_key));
resetPreference.setSummary(isRecording ? getString(R.string.settings_not_while_recording) : "");
resetPreference.setEnabled(!isRecording);
@@ -196,7 +209,7 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
}
private void updateUnits() {
boolean metricUnits = PreferencesUtils.isMetricUnits(getActivity());
boolean metricUnits = PreferencesUtils.isMetricUnits(sharedPreferences, getActivity());
ListPreference voiceFrequency = findPreference(getString(R.string.voice_frequency_key));
voiceFrequency.setEntries(StringUtils.getFrequencyOptions(getActivity(), metricUnits));