Hide 5, 15, 25 second seek options if inexact seek is enabled

app/src/main/java/org/schabi/newpipe/settings/VideoAudioSettingsFragment.java

@@ -6,11 +6,15 @@
 import android.os.Bundle;
 import android.provider.Settings;
 
+import android.text.format.DateUtils;
+import android.widget.Toast;
 import androidx.annotation.Nullable;
 import androidx.preference.ListPreference;
 
 import com.google.android.material.snackbar.Snackbar;
 
+import java.util.LinkedList;
+import java.util.List;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.util.PermissionHelper;
 
@@ -22,23 +26,7 @@ public class VideoAudioSettingsFragment extends BasePreferenceFragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        //initializing R.array.seek_duration_description to display the translation of seconds
-        Resources res = getResources();
-        String[] durationsValues = res.getStringArray(R.array.seek_duration_value);
-        String[] durationsDescriptions = res.getStringArray(R.array.seek_duration_description);
-        int currentDurationValue;
-        for (int i = 0; i < durationsDescriptions.length; i++) {
-            currentDurationValue = Integer.parseInt(durationsValues[i]) / 1000;
-            try {
-                durationsDescriptions[i] = String.format(
-                        res.getQuantityString(R.plurals.dynamic_seek_duration_description, currentDurationValue),
-                        currentDurationValue);
-            } catch (Resources.NotFoundException ignored) {
-                //if this happens, the translation is missing, and the english string will be displayed instead
-            }
-        }
-        ListPreference durations = (ListPreference) findPreference(getString(R.string.seek_duration_key));
-        durations.setEntries(durationsDescriptions);
+        updateSeekOptions();
 
         listener = (sharedPreferences, s) -> {
 
@@ -58,10 +46,58 @@ public void onCreate(@Nullable Bundle savedInstanceState) {
                             .show();
 
                 }
+            } else if (s.equals(getString(R.string.use_inexact_seek_key))) {
+                updateSeekOptions();
             }
         };
     }
 
+    /**
+     * Update fast-forward/-rewind seek duration options according to language and inexact seek setting.
+     * Exoplayer can't seek 5 seconds in audio when using inexact seek.
+     */
+    private void updateSeekOptions() {
+        //initializing R.array.seek_duration_description to display the translation of seconds
+        final Resources res = getResources();
+        final String[] durationsValues = res.getStringArray(R.array.seek_duration_value);
+        final List<String> displayedDurationValues = new LinkedList<>();
+        final List<String> displayedDescriptionValues = new LinkedList<>();
+        int currentDurationValue;
+        final boolean inexactSeek = getPreferenceManager().getSharedPreferences()
+            .getBoolean(res.getString(R.string.use_inexact_seek_key), false);
+
+        for (String durationsValue : durationsValues) {
+            currentDurationValue =
+                Integer.parseInt(durationsValue) / (int) DateUtils.SECOND_IN_MILLIS;
+            if (inexactSeek && currentDurationValue % 10 == 5) {
+                continue;
+            }
+            try {
+                displayedDurationValues.add(durationsValue);
+                displayedDescriptionValues.add(String.format(
+                    res.getQuantityString(R.plurals.dynamic_seek_duration_description,
+                        currentDurationValue),
+                    currentDurationValue));
+            } catch (Resources.NotFoundException ignored) {
+                //if this happens, the translation is missing, and the english string will be displayed instead
+            }
+        }
+
+        final ListPreference durations = (ListPreference) findPreference(getString(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());
+        if (selectedDuration / (int) DateUtils.SECOND_IN_MILLIS % 10 == 5) {
+            final int newDuration = selectedDuration / (int) DateUtils.SECOND_IN_MILLIS + 5;
+            durations.setValue(Integer.toString(newDuration * (int) DateUtils.SECOND_IN_MILLIS));
+
+            Toast toast = Toast
+                .makeText(getContext(),
+                    getString(R.string.new_seek_duration_toast, newDuration),
+                    Toast.LENGTH_LONG);
+            toast.show();
+        }
+    }
 
     @Override
     public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {

app/src/main/res/values/strings.xml

@@ -71,7 +71,7 @@
     <string name="popup_remember_size_pos_title">Remember popup size and position</string>
     <string name="popup_remember_size_pos_summary">Remember last size and position of popup</string>
     <string name="use_inexact_seek_title">Use fast inexact seek</string>
-    <string name="use_inexact_seek_summary">Inexact seek allows the player to seek to positions faster with reduced precision</string>
+    <string name="use_inexact_seek_summary">Inexact seek allows the player to seek to positions faster with reduced precision. Seeking for 5, 15 or 25 seconds doesn\'t work with this.</string>
     <string name="seek_duration_title">Fast-forward/-rewind seek duration</string>
     <string name="download_thumbnail_title">Load thumbnails</string>
     <string name="show_comments_title">Show comments</string>
@@ -593,6 +593,7 @@
     <string name="app_language_title">App language</string>
     <string name="systems_language">System default</string>
     <string name="dynamic_seek_duration_description">%s seconds</string>
+    <string name="new_seek_duration_toast">Due to ExoPlayer contraints the seek duration was set to %d seconds</string>
     <plurals name="dynamic_seek_duration_description">
         <item quantity="other">%s seconds</item>
     </plurals>