Added rotator ip address and port checks and error messages

app/src/main/java/com/rtbishop/look4sat/ui/prefsScreen/PrefsFragment.kt

@@ -21,9 +21,12 @@ import android.Manifest
 import android.content.pm.PackageManager
 import android.location.LocationManager
 import android.os.Bundle
+import android.text.InputType
+import android.util.Patterns
 import android.view.View
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.content.ContextCompat
+import androidx.preference.EditTextPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import com.google.android.material.snackbar.Snackbar
@@ -72,6 +75,30 @@ class PrefsFragment : PreferenceFragmentCompat() {
                 setPositionFromQth(newValue.toString())
             }
         }
+
+        findPreference<EditTextPreference>(PrefsManager.keyRotatorAddress)?.apply {
+            setOnPreferenceChangeListener { _, newValue ->
+                if (Patterns.IP_ADDRESS.matcher(newValue.toString()).matches()) {
+                    return@setOnPreferenceChangeListener true
+                } else {
+                    showSnack(getString(R.string.tracking_rotator_address_invalid))
+                    return@setOnPreferenceChangeListener false
+                }
+            }
+        }
+
+        findPreference<EditTextPreference>(PrefsManager.keyRotatorPort)?.apply {
+            setOnBindEditTextListener { it.inputType = InputType.TYPE_CLASS_NUMBER }
+            setOnPreferenceChangeListener { _, newValue ->
+                val portValue = newValue.toString()
+                if (portValue.isNotEmpty() && portValue.toInt() in 1024..65535) {
+                    return@setOnPreferenceChangeListener true
+                } else {
+                    showSnack(getString(R.string.tracking_rotator_port_invalid))
+                    return@setOnPreferenceChangeListener false
+                }
+            }
+        }
     }
 
     private fun setPositionFromQth(qthString: String): Boolean {

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

@@ -65,9 +65,11 @@
         установите позицию наземной станции через меню Настройки</string>
 
     <string name="tracking_title">Настройки слежения</string>
-    <string name="tracking_rotator_switch">Управление вращателем антенны</string>
-    <string name="tracking_rotator_address">IP адрес вращателя</string>
-    <string name="tracking_rotator_port">Порт вращателя</string>
+    <string name="tracking_rotator_switch">Управление поворотным устройством</string>
+    <string name="tracking_rotator_address">IP адрес поворотного устройства</string>
+    <string name="tracking_rotator_address_invalid">Введён неправильный IP адрес</string>
+    <string name="tracking_rotator_port">Порт поворотного устройства</string>
+    <string name="tracking_rotator_port_invalid">Введите порт в диапазоне от 1024 до 65535</string>
 
     <string name="info_version">Версия: %s</string>
     <string name="info_subtitle">Трекер спутников для Android</string>

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

@@ -83,7 +83,9 @@
     <string name="tracking_title">Tracking preferences</string>
     <string name="tracking_rotator_switch">Antenna rotator control</string>
     <string name="tracking_rotator_address">Rotator IP address</string>
+    <string name="tracking_rotator_address_invalid">Please enter a valid IP address</string>
     <string name="tracking_rotator_port">Rotator port</string>
+    <string name="tracking_rotator_port_invalid">Please enter a port between 1024 to 65535</string>
 
     <string name="info_version">Version: %s</string>
     <string name="info_subtitle">Satellite tracker and pass predictor</string>