Replace findPreference(getString(resId) with its null safe shortcut

Yevhen Babiichuk (DustDFG) · Yevhen Babiichuk (DustDFG) · commit f6085d004497 · 2025-12-30T13:30:37.000+02:00
diff --git a/app/src/main/java/org/schabi/newpipe/settings/BackupRestoreSettingsFragment.java b/app/src/main/java/org/schabi/newpipe/settings/BackupRestoreSettingsFragment.java
@@ -98,10 +98,9 @@ ZIP_MIME_TYPE, getImportExportDataUri()),
             return true;
         });
 
-        final Preference resetSettings = findPreference(getString(R.string.reset_settings));
+        final Preference resetSettings = requirePreference(R.string.reset_settings);
         // Resets all settings by deleting shared preference and restarting the app
         // A dialogue will pop up to confirm if user intends to reset all settings
-        assert resetSettings != null;
         resetSettings.setOnPreferenceClickListener(preference -> {
             // Show Alert Dialogue
             final AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
diff --git a/app/src/main/java/org/schabi/newpipe/settings/BasePreferenceFragment.java b/app/src/main/java/org/schabi/newpipe/settings/BasePreferenceFragment.java
@@ -48,8 +48,8 @@ public void onResume() {
     }
 
     @NonNull
-    public final Preference requirePreference(@StringRes final int resId) {
-        final Preference preference = findPreference(getString(resId));
+    public final <T extends Preference> T requirePreference(@StringRes final int resId) {
+        final T preference = findPreference(getString(resId));
         Objects.requireNonNull(preference);
         return preference;
     }
diff --git a/app/src/main/java/org/schabi/newpipe/settings/DebugSettingsFragment.java b/app/src/main/java/org/schabi/newpipe/settings/DebugSettingsFragment.java
@@ -22,27 +22,20 @@ public void onCreatePreferences(final Bundle savedInstanceState, final String ro
         addPreferencesFromResourceRegistry();
 
         final Preference allowHeapDumpingPreference =
-                findPreference(getString(R.string.allow_heap_dumping_key));
+                requirePreference(R.string.allow_heap_dumping_key);
         final Preference showMemoryLeaksPreference =
-                findPreference(getString(R.string.show_memory_leaks_key));
+                requirePreference(R.string.show_memory_leaks_key);
         final Preference showImageIndicatorsPreference =
-                findPreference(getString(R.string.show_image_indicators_key));
+                requirePreference(R.string.show_image_indicators_key);
         final Preference checkNewStreamsPreference =
-                findPreference(getString(R.string.check_new_streams_key));
+                requirePreference(R.string.check_new_streams_key);
         final Preference crashTheAppPreference =
-                findPreference(getString(R.string.crash_the_app_key));
+                requirePreference(R.string.crash_the_app_key);
         final Preference showErrorSnackbarPreference =
-                findPreference(getString(R.string.show_error_snackbar_key));
+                requirePreference(R.string.show_error_snackbar_key);
         final Preference createErrorNotificationPreference =
-                findPreference(getString(R.string.create_error_notification_key));
-
-        assert allowHeapDumpingPreference != null;
-        assert showMemoryLeaksPreference != null;
-        assert showImageIndicatorsPreference != null;
-        assert checkNewStreamsPreference != null;
-        assert crashTheAppPreference != null;
-        assert showErrorSnackbarPreference != null;
-        assert createErrorNotificationPreference != null;
+                requirePreference(R.string.create_error_notification_key);
+
 
         final Optional<DebugSettingsBVDLeakCanaryAPI> optBVLeakCanary = getBVDLeakCanary();
 
diff --git a/app/src/main/java/org/schabi/newpipe/settings/MainSettingsFragment.java b/app/src/main/java/org/schabi/newpipe/settings/MainSettingsFragment.java
@@ -25,15 +25,15 @@ public void onCreatePreferences(final Bundle savedInstanceState, final String ro
         // Check if the app is updatable
         if (!ReleaseVersionUtil.INSTANCE.isReleaseApk()) {
             getPreferenceScreen().removePreference(
-                    findPreference(getString(R.string.update_pref_screen_key)));
+                    requirePreference(R.string.update_pref_screen_key));
 
             defaultPreferences.edit().putBoolean(getString(R.string.update_app_key), false).apply();
         }
 
         // Hide debug preferences in RELEASE build variant
         if (!DEBUG) {
             getPreferenceScreen().removePreference(
-                    findPreference(getString(R.string.debug_pref_screen_key)));
+                    requirePreference(R.string.debug_pref_screen_key));
         }
     }
 
diff --git a/app/src/main/java/org/schabi/newpipe/settings/NotificationsSettingsFragment.kt b/app/src/main/java/org/schabi/newpipe/settings/NotificationsSettingsFragment.kt
@@ -29,8 +29,7 @@ class NotificationsSettingsFragment : BasePreferenceFragment(), OnSharedPreferen
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         addPreferencesFromResource(R.xml.notifications_settings)
-        streamsNotificationsPreference =
-            findPreference(getString(R.string.enable_streams_notifications))
+        streamsNotificationsPreference = requirePreference(R.string.enable_streams_notifications)
 
         // main check is done in onResume, but also do it here to prevent flickering
         updateEnabledState(NotificationHelper.areNotificationsEnabledOnDevice(requireContext()))
@@ -125,8 +124,8 @@ class NotificationsSettingsFragment : BasePreferenceFragment(), OnSharedPreferen
 
     private fun updateSubscriptions(subscriptions: List<SubscriptionEntity>) {
         val notified = subscriptions.count { it.notificationMode != NotificationMode.DISABLED }
-        val preference = findPreference<Preference>(getString(R.string.streams_notifications_channels_key))
-        preference?.apply { summary = "$notified/${subscriptions.size}" }
+        val preference = requirePreference<Preference>(R.string.streams_notifications_channels_key)
+        preference.summary = "$notified/${subscriptions.size}"
     }
 
     private fun onError(e: Throwable) {
diff --git a/app/src/main/java/org/schabi/newpipe/settings/UpdateSettingsFragment.java b/app/src/main/java/org/schabi/newpipe/settings/UpdateSettingsFragment.java
@@ -34,9 +34,9 @@ public class UpdateSettingsFragment extends BasePreferenceFragment {
     public void onCreatePreferences(final Bundle savedInstanceState, final String rootKey) {
         addPreferencesFromResourceRegistry();
 
-        findPreference(getString(R.string.update_app_key))
+        requirePreference(R.string.update_app_key)
                 .setOnPreferenceChangeListener(updatePreferenceChange);
-        findPreference(getString(R.string.manual_update_key))
+        requirePreference(R.string.manual_update_key)
                 .setOnPreferenceClickListener(manualUpdateClick);
     }
 
diff --git a/app/src/main/java/org/schabi/newpipe/settings/VideoAudioSettingsFragment.java b/app/src/main/java/org/schabi/newpipe/settings/VideoAudioSettingsFragment.java
@@ -90,12 +90,12 @@ private void updateResolutionOptions() {
                 showHigherResolutions);
 
         // get resolution preferences
-        final ListPreference defaultResolution = findPreference(
-                getString(R.string.default_resolution_key));
-        final ListPreference defaultPopupResolution = findPreference(
-                getString(R.string.default_popup_resolution_key));
-        final ListPreference mobileDataResolution = findPreference(
-                getString(R.string.limit_mobile_data_usage_key));
+        final ListPreference defaultResolution = requirePreference(
+                R.string.default_resolution_key);
+        final ListPreference defaultPopupResolution = requirePreference(
+                R.string.default_popup_resolution_key);
+        final ListPreference mobileDataResolution = requirePreference(
+                R.string.limit_mobile_data_usage_key);
 
         // update resolution preferences with new resolutions, entries & values for each
         defaultResolution.setEntries(resolutionListDescriptions.toArray(new String[0]));
@@ -161,8 +161,7 @@ private void updateSeekOptions() {
             }
         }
 
-        final ListPreference durations = findPreference(
-                getString(R.string.seek_duration_key));
+        final ListPreference durations = requirePreference(R.string.seek_duration_key);
         durations.setEntryValues(displayedDurationValues.toArray(new CharSequence[0]));
         durations.setEntries(displayedDescriptionValues.toArray(new CharSequence[0]));
         final int selectedDuration = Integer.parseInt(durations.getValue());

Original file line number	Diff line number	Diff line change
`@@ -48,8 +48,8 @@ public void onResume() {`
`48`	`48`	`}`
`49`	`49`
`50`	`50`	`@NonNull`
`51`		`- public final Preference requirePreference(@StringRes final int resId) {`
`52`		`- final Preference preference = findPreference(getString(resId));`
	`51`	`+ public final <T extends Preference> T requirePreference(@StringRes final int resId) {`
	`52`	`+ final T preference = findPreference(getString(resId));`
`53`	`53`	`Objects.requireNonNull(preference);`
`54`	`54`	`return preference;`
`55`	`55`	`}`
Original file line number	Diff line number	Diff line change
`@@ -25,15 +25,15 @@ public void onCreatePreferences(final Bundle savedInstanceState, final String ro`
`25`	`25`	`// Check if the app is updatable`
`26`	`26`	`if (!ReleaseVersionUtil.INSTANCE.isReleaseApk()) {`
`27`	`27`	`getPreferenceScreen().removePreference(`
`28`		`- findPreference(getString(R.string.update_pref_screen_key)));`
	`28`	`+ requirePreference(R.string.update_pref_screen_key));`
`29`	`29`
`30`	`30`	`defaultPreferences.edit().putBoolean(getString(R.string.update_app_key), false).apply();`
`31`	`31`	`}`
`32`	`32`
`33`	`33`	`// Hide debug preferences in RELEASE build variant`
`34`	`34`	`if (!DEBUG) {`
`35`	`35`	`getPreferenceScreen().removePreference(`
`36`		`- findPreference(getString(R.string.debug_pref_screen_key)));`
	`36`	`+ requirePreference(R.string.debug_pref_screen_key));`
`37`	`37`	`}`
`38`	`38`	`}`
`39`	`39`