From b73a1c532bd302e7ebbd03474445a9b9b6483847 Mon Sep 17 00:00:00 2001
From: antonio <antoniocappiello.play@gmail.com>
Date: Thu, 20 Jul 2023 12:33:10 +0200
Subject: [PATCH] fix: checking for the presence of a system equalizer

---
 .../tempo/ui/fragment/SettingsFragment.java   | 26 ++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java b/app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java
index 8437ae9b..7e07aa58 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java
+++ b/app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java
@@ -15,6 +15,7 @@ import androidx.annotation.OptIn;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.media3.common.util.UnstableApi;
 import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
 import com.cappielloantonio.tempo.BuildConfig;
@@ -70,6 +71,8 @@ public class SettingsFragment extends PreferenceFragmentCompat {
     public void onResume() {
         super.onResume();
 
+        checkEqualizer();
+
         findPreference("version").setSummary(BuildConfig.VERSION_NAME);
 
         findPreference("logout").setOnPreferenceClickListener(preference -> {
@@ -93,12 +96,6 @@ public class SettingsFragment extends PreferenceFragmentCompat {
             return true;
         });
 
-        findPreference("equalizer").setOnPreferenceClickListener(preference -> {
-            Intent intent = new Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL);
-            someActivityResultLauncher.launch(intent);
-            return true;
-        });
-
         findPreference("sync_starred_tracks_for_offline_use").setOnPreferenceChangeListener((preference, newValue) -> {
             if (newValue instanceof Boolean) {
                 if ((Boolean) newValue) {
@@ -130,6 +127,23 @@ public class SettingsFragment extends PreferenceFragmentCompat {
         }
     }
 
+    private void checkEqualizer() {
+        Preference equalizer = findPreference("equalizer");
+
+        if (equalizer == null) return;
+
+        Intent intent = new Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL);
+
+        if ((intent.resolveActivity(requireActivity().getPackageManager()) != null)) {
+            equalizer.setOnPreferenceClickListener(preference -> {
+                someActivityResultLauncher.launch(intent);
+                return true;
+            });
+        } else {
+            equalizer.setVisible(false);
+        }
+    }
+
     private void getScanStatus() {
         settingViewModel.getScanStatus(new ScanCallback() {
             @Override