Made it possible to disable asking for a few permissions.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ControlCenterv2.java

@@ -84,6 +84,7 @@ public class ControlCenterv2 extends AppCompatActivity
     private FloatingActionButton fab;
 
     private boolean isLanguageInvalid = false;
+    private boolean pesterWithPermissions = true;
 
     public static final int MENU_REFRESH_CODE = 1;
 
@@ -196,12 +197,15 @@ public class ControlCenterv2 extends AppCompatActivity
          * Ask for permission to intercept notifications on first run.
          */
         Prefs prefs = GBApplication.getPrefs();
+        pesterWithPermissions = prefs.getBoolean("permission_pestering", true);
 
         Set<String> set = NotificationManagerCompat.getEnabledListenerPackages(this);
+        if (pesterWithPermissions) {
             if (!set.contains(this.getPackageName())) { // If notification listener access hasn't been granted
                 Intent enableIntent = new Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS");
                 startActivity(enableIntent);
             }
+        }
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             checkAndRequestPermissions();
@@ -377,9 +381,12 @@ public class ControlCenterv2 extends AppCompatActivity
         }
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            if (ContextCompat.checkSelfPermission(this, Manifest.permission.ANSWER_PHONE_CALLS) == PackageManager.PERMISSION_DENIED)
+            if (pesterWithPermissions) {
+                if (ContextCompat.checkSelfPermission(this, Manifest.permission.ANSWER_PHONE_CALLS) == PackageManager.PERMISSION_DENIED) {
                     wantedPermissions.add(Manifest.permission.ANSWER_PHONE_CALLS);
                 }
+            }
+        }
 
         if (!wantedPermissions.isEmpty()) {
             Prefs prefs = GBApplication.getPrefs();
@@ -410,12 +417,14 @@ public class ControlCenterv2 extends AppCompatActivity
         /* In order to be able to set ringer mode to silent in PhoneCallReceiver
            the permission to access notifications is needed above Android M
            ACCESS_NOTIFICATION_POLICY is also needed in the manifest */
+        if (pesterWithPermissions) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 if (!((NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE)).isNotificationPolicyAccessGranted()) {
                     GB.toast(this, getString(R.string.permission_granting_mandatory), Toast.LENGTH_LONG, GB.ERROR);
                     startActivity(new Intent(android.provider.Settings.ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS));
                 }
             }
+        }
 
         // HACK: On Lineage we have to do this so that the permission dialog pops up
         if (fakeStateListener == null) {

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

@@ -889,6 +889,8 @@
     <string name="error_background_service">Failed to start background service</string>
     <string name="error_background_service_reason_truncated">Starting the background service failed because…</string>
     <string name="error_background_service_reason">Starting the background service failed because of an exception. Error: </string>
+    <string name="pref_check_permission_status">Check permission status</string>
+    <string name="pref_check_permission_status_summary">Check and ask for missing permissions even when they might not be instantly needed. Enable this only if your devices actually doesn\'t support any of these features. Not granting a permission might cause issues!</string>
     <string name="ignore_bonded_devices">Ignore bonded devices</string>
     <string name="ignore_bonded_devices_description">Enabling this option will ignore devices that have been bonded/paired already when scanning</string>
     <plurals name="widget_alarm_target_hours">

app/src/main/res/xml/preferences.xml

@@ -632,6 +632,12 @@
             android:defaultValue="false"
             android:key="log_to_file"
             android:title="@string/pref_write_logfiles" />
+        <CheckBoxPreference
+            android:defaultValue="true"
+            android:key="permission_pestering"
+            android:layout="@layout/preference_checkbox"
+            android:summary="@string/pref_check_permission_status_summary"
+            android:title="@string/pref_check_permission_status" />
         <CheckBoxPreference
             android:layout="@layout/preference_checkbox"
             android:defaultValue="true"