Notification permission.

app/src/main/AndroidManifest.xml

@@ -24,6 +24,8 @@
 
     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+
     <application
         android:name=".Infinity"
         android:allowBackup="false"

app/src/main/java/ml/docilealligator/infinityforreddit/AppModule.java

@@ -136,6 +136,13 @@ abstract class AppModule {
         return application.getSharedPreferences(SharedPreferencesUtils.SECURITY_SHARED_PREFERENCES_FILE, Context.MODE_PRIVATE);
     }
 
+    @Provides
+    @Named("internal")
+    @Singleton
+    static SharedPreferences provideInternalSharedPreferences(Application application) {
+        return application.getSharedPreferences(SharedPreferencesUtils.INTERNAL_SHARED_PREFERENCES_FILE, Context.MODE_PRIVATE);
+    }
+
     @Provides
     @Singleton
     static CustomThemeWrapper provideCustomThemeWrapper(@Named("light_theme") SharedPreferences lightThemeSharedPreferences,

app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java

@@ -72,6 +72,12 @@ public class PullNotificationWorker extends Worker {
     @NonNull
     @Override
     public Result doWork() {
+        NotificationManagerCompat notificationManager = NotificationUtils.getNotificationManager(context);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && !notificationManager.areNotificationsEnabled()) {
+            return Result.success();
+        }
+
         try {
             List<Account> accounts = mRedditDataRoomDatabase.accountDao().getAllAccounts();
             int color = mCustomThemeWrapper.getColorPrimaryLightTheme();
@@ -89,8 +95,6 @@ public class PullNotificationWorker extends Worker {
                             context.getResources().getConfiguration().locale, FetchMessage.MESSAGE_TYPE_NOTIFICATION);
 
                     if (!messages.isEmpty()) {
-                        NotificationManagerCompat notificationManager = NotificationUtils.getNotificationManager(context);
-
                         NotificationCompat.Builder summaryBuilder = NotificationUtils.buildSummaryNotification(context,
                                 notificationManager, accountName,
                                 context.getString(R.string.notification_new_messages, messages.size()),

app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java

@@ -3,16 +3,19 @@ package ml.docilealligator.infinityforreddit.activities;
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO;
 import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES;
 
+import android.Manifest;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.text.Editable;
 import android.text.TextWatcher;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -24,12 +27,16 @@ import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Toast;
 
+import androidx.activity.result.ActivityResultCallback;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.ActionBarDrawerToggle;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
@@ -200,6 +207,9 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
     @Named("security")
     SharedPreferences mSecuritySharedPreferences;
     @Inject
+    @Named("internal")
+    SharedPreferences mInternalSharedPreferences;
+    @Inject
     CustomThemeWrapper mCustomThemeWrapper;
     @Inject
     Executor mExecutor;
@@ -351,6 +361,16 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
     }
 
     private void initializeNotificationAndBindView() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            ActivityResultLauncher<String> requestNotificationPermissionLauncher = registerForActivityResult(new ActivityResultContracts.RequestPermission(), result -> mInternalSharedPreferences.edit().putBoolean(SharedPreferencesUtils.HAS_REQUESTED_NOTIFICATION_PERMISSION, true).apply());
+
+            if (ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+                if (!mInternalSharedPreferences.getBoolean(SharedPreferencesUtils.HAS_REQUESTED_NOTIFICATION_PERMISSION, false)) {
+                    requestNotificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS);
+                }
+            }
+        }
+
         boolean enableNotification = mSharedPreferences.getBoolean(SharedPreferencesUtils.ENABLE_NOTIFICATION_KEY, true);
         long notificationInterval = Long.parseLong(mSharedPreferences.getString(SharedPreferencesUtils.NOTIFICATION_INTERVAL_KEY, "1"));
         TimeUnit timeUnit = (notificationInterval == 15 || notificationInterval == 30) ? TimeUnit.MINUTES : TimeUnit.HOURS;

app/src/main/java/ml/docilealligator/infinityforreddit/activities/SettingsActivity.java

@@ -4,16 +4,16 @@ import android.content.SharedPreferences;
 import android.os.Build;
 import android.os.Bundle;
 import android.view.MenuItem;
+import android.view.View;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.widget.Toolbar;
 import androidx.core.app.ActivityCompat;
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
-import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.snackbar.BaseTransientBottomBar;
-import com.google.android.material.appbar.CollapsingToolbarLayout;
+import com.google.android.material.snackbar.Snackbar;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -22,11 +22,11 @@ import org.greenrobot.eventbus.ThreadMode;
 import javax.inject.Inject;
 import javax.inject.Named;
 
-import butterknife.BindView;
 import butterknife.ButterKnife;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.databinding.ActivitySettingsBinding;
 import ml.docilealligator.infinityforreddit.events.RecreateActivityEvent;
 import ml.docilealligator.infinityforreddit.settings.AboutPreferenceFragment;
 import ml.docilealligator.infinityforreddit.settings.AdvancedPreferenceFragment;
@@ -46,12 +46,7 @@ public class SettingsActivity extends BaseActivity implements
 
     private static final String TITLE_STATE = "TS";
 
-    @BindView(R.id.appbar_layout_settings_activity)
+    private ActivitySettingsBinding binding;
-    AppBarLayout appBarLayout;
-    @BindView(R.id.collapsing_toolbar_layout_settings_activity)
-    CollapsingToolbarLayout collapsingToolbarLayout;
-    @BindView(R.id.toolbar_settings_activity)
-    Toolbar toolbar;
     private String mAccountName;
 
     @Inject
@@ -71,7 +66,8 @@ public class SettingsActivity extends BaseActivity implements
 
         super.onCreate(savedInstanceState);
 
-        setContentView(R.layout.activity_settings);
+        binding = ActivitySettingsBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
 
         ButterKnife.bind(this);
 
@@ -80,10 +76,10 @@ public class SettingsActivity extends BaseActivity implements
         applyCustomTheme();
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && isChangeStatusBarIconColor()) {
-            addOnOffsetChangedListener(appBarLayout);
+            addOnOffsetChangedListener(binding.appbarLayoutSettingsActivity);
         }
 
-        setSupportActionBar(toolbar);
+        setSupportActionBar(binding.toolbarSettingsActivity);
 
         mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
 
@@ -130,7 +126,8 @@ public class SettingsActivity extends BaseActivity implements
 
     @Override
     protected void applyCustomTheme() {
-        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
+        applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(binding.appbarLayoutSettingsActivity,
+                binding.collapsingToolbarLayoutSettingsActivity, binding.toolbarSettingsActivity);
     }
 
     @Override
@@ -190,6 +187,10 @@ public class SettingsActivity extends BaseActivity implements
         EventBus.getDefault().unregister(this);
     }
 
+    public void showSnackbar(int stringId, int actionStringId, View.OnClickListener onClickListener) {
+        Snackbar.make(binding.getRoot(), stringId, BaseTransientBottomBar.LENGTH_SHORT).setAction(actionStringId, onClickListener).show();
+    }
+
     @Subscribe(threadMode = ThreadMode.MAIN)
     public void onRecreateActivityEvent(RecreateActivityEvent recreateActivityEvent) {
         ActivityCompat.recreate(this);

app/src/main/java/ml/docilealligator/infinityforreddit/settings/NotificationPreferenceFragment.java

@@ -1,9 +1,19 @@
 package ml.docilealligator.infinityforreddit.settings;
 
 
+import android.Manifest;
+import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.provider.Settings;
+import android.view.View;
 
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.preference.ListPreference;
 import androidx.preference.SwitchPreference;
@@ -32,6 +42,9 @@ public class NotificationPreferenceFragment extends CustomFontPreferenceFragment
     @Inject
     @Named("default")
     SharedPreferences sharedPreferences;
+    @Inject
+    @Named("internal")
+    SharedPreferences mInternalSharedPreferences;
     private boolean enableNotification;
     private long notificationInterval;
     private WorkManager workManager;
@@ -113,5 +126,27 @@ public class NotificationPreferenceFragment extends CustomFontPreferenceFragment
                 return true;
             });
         }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            ActivityResultLauncher<String> requestNotificationPermissionLauncher = registerForActivityResult(new ActivityResultContracts.RequestPermission(), result -> {
+                mInternalSharedPreferences.edit().putBoolean(SharedPreferencesUtils.HAS_REQUESTED_NOTIFICATION_PERMISSION, true).apply();
+                if (!result) {
+                    activity.showSnackbar(R.string.denied_notification_permission, R.string.go_to_settings, new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                            Uri uri = Uri.fromParts("package", activity.getPackageName(), null);
+                            intent.setData(uri);
+                            startActivity(intent);
+                        }
+                    });
+                }
+            });
+            
+            if (ContextCompat.checkSelfPermission(activity, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+                requestNotificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS);
+            }
+        }
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/utils/SharedPreferencesUtils.java

@@ -364,6 +364,9 @@ public class SharedPreferencesUtils {
     public static final String APP_LOCK_TIMEOUT = "app_lock_timeout";
     public static final String LAST_FOREGROUND_TIME = "last_foreground_time";
 
+    public static final String INTERNAL_SHARED_PREFERENCES_FILE = "ml.docilealligator.infinityforreddit.internal";
+    public static final String HAS_REQUESTED_NOTIFICATION_PERMISSION = "has_requested_notification_permission";
+
     //Legacy Settings
     public static final String MAIN_PAGE_TAB_1_TITLE_LEGACY = "main_page_tab_1_title";
     public static final String MAIN_PAGE_TAB_2_TITLE_LEGACY = "main_page_tab_2_title";

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

@@ -1318,4 +1318,7 @@
 
     <string name="image_index_in_gallery">%1$d/%2$d</string>
 
+    <string name="denied_notification_permission">Notification permission is not granted</string>
+    <string name="go_to_settings">Settings</string>
+
 </resources>