Add ignore battery optimizations in cache settings

app/src/main/java/app/fedilab/android/mastodon/ui/fragment/settings/FragmentHomeCacheSettings.java

@@ -15,9 +15,15 @@ package app.fedilab.android.mastodon.ui.fragment.settings;
  * see <http://www.gnu.org/licenses>. */
 
 
+import static android.content.Context.POWER_SERVICE;
+
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.PowerManager;
+import android.provider.Settings;
 
 import androidx.preference.ListPreference;
 import androidx.preference.Preference;
@@ -77,6 +83,30 @@ public class FragmentHomeCacheSettings extends PreferenceFragmentCompat implemen
                 return false;
             });
         }
+
+
+        Preference SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS = findPreference(getString(R.string.SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS));
+        if (SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS != null) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                PowerManager pm = (PowerManager) requireActivity().getSystemService(POWER_SERVICE);
+                String packageName = requireActivity().getPackageName();
+                if (!pm.isIgnoringBatteryOptimizations(packageName)) {
+                    SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS.setOnPreferenceClickListener(preference -> {
+                        Intent intent = new Intent();
+                        String packageName1 = requireActivity().getPackageName();
+                        intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
+                        intent.setData(Uri.parse("package:" + packageName1));
+                        startActivity(intent);
+                        return false;
+                    });
+                } else {
+                    preferenceScreen.removePreferenceRecursively(getString(R.string.SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS));
+                }
+            } else {
+                preferenceScreen.removePreferenceRecursively(getString(R.string.SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS));
+            }
+        }
+
     }
 
 

app/src/main/res/xml/pref_home_cache.xml

@@ -30,4 +30,11 @@
         app:icon="@drawable/baseline_show_chart_24"
         app:iconSpaceReserved="false"
         app:key="@string/pref_category_show_data" />
+
+
+    <Preference
+        app:iconSpaceReserved="false"
+        app:key="@string/SET_KEY_IGNORE_BATTERY_OPTIMIZATIONS"
+        app:title="@string/set_remove_battery" />
+
 </PreferenceScreen>