Fix crash when phone process has problem.

- Phone process may not exist in some situation. It shall catch the
   exception to avoid Settings crash.

Flag: EXEMPT bugfix
fix: 365669913
Test: build pass
Change-Id: I2b95f46b8887a9c8416fb4a5724537ad27e86850

src/com/android/settings/network/telephony/VoNrRepository.kt

@@ -19,6 +19,7 @@ package com.android.settings.network.telephony
 import android.content.Context
 import android.telephony.CarrierConfigManager
 import android.telephony.SubscriptionManager
+import android.telephony.TelephonyManager
 import android.util.Log
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
@@ -37,6 +38,7 @@ class VoNrRepository(
     fun isVoNrAvailable(subId: Int): Boolean {
         if (!nrRepository.isNrAvailable(subId)) return false
         data class Config(val isVoNrEnabled: Boolean, val isVoNrSettingVisibility: Boolean)
+
         val carrierConfig =
             carrierConfigRepository.transformConfig(subId) {
                 Config(
@@ -52,7 +54,14 @@ class VoNrRepository(
         val telephonyManager = context.telephonyManager(subId)
         return context
             .subscriptionsChangedFlow()
-            .map { telephonyManager.isVoNrEnabled }
+            .map {
+                try {
+                    telephonyManager.isVoNrEnabled
+                } catch (e: IllegalStateException) {
+                    Log.e(TAG, "IllegalStateException - isVoNrEnabled : $e")
+                    false
+                }
+            }
             .conflate()
             .onEach { Log.d(TAG, "[$subId] isVoNrEnabled: $it") }
             .flowOn(Dispatchers.Default)
@@ -61,9 +70,15 @@ class VoNrRepository(
     suspend fun setVoNrEnabled(subId: Int, enabled: Boolean) =
         withContext(Dispatchers.Default) {
             if (!SubscriptionManager.isValidSubscriptionId(subId)) return@withContext
-            val result = context.telephonyManager(subId).setVoNrEnabled(enabled)
+            var result = TelephonyManager.ENABLE_VONR_RADIO_INVALID_STATE
+            try {
+                result = context.telephonyManager(subId).setVoNrEnabled(enabled)
+            } catch (e: IllegalStateException) {
+                Log.e(TAG, "IllegalStateException - setVoNrEnabled : $e")
+            } finally {
                 Log.d(TAG, "[$subId] setVoNrEnabled: $enabled, result: $result")
             }
+        }
 
     private companion object {
         private const val TAG = "VoNrRepository"

tests/spa_unit/src/com/android/settings/network/telephony/VoNrRepositoryTest.kt

@@ -27,7 +27,9 @@ import kotlinx.coroutines.runBlocking
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.kotlin.any
 import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.doThrow
 import org.mockito.kotlin.mock
 import org.mockito.kotlin.spy
 import org.mockito.kotlin.stub
@@ -134,6 +136,15 @@ class VoNrRepositoryTest {
         assertThat(isVoNrEnabled).isTrue()
     }
 
+    @Test
+    fun isVoNrEnabledFlow_noPhoneProcess_noCrash() = runBlocking {
+        mockTelephonyManager.stub { on { isVoNrEnabled } doThrow IllegalStateException("no Phone") }
+
+        val isVoNrEnabled = repository.isVoNrEnabledFlow(SUB_ID).firstWithTimeoutOrNull()
+
+        assertThat(isVoNrEnabled).isFalse()
+    }
+
     @Test
     fun setVoNrEnabled(): Unit = runBlocking {
         repository.setVoNrEnabled(SUB_ID, true)
@@ -141,6 +152,19 @@ class VoNrRepositoryTest {
         verify(mockTelephonyManager).setVoNrEnabled(true)
     }
 
+    @Test
+    fun setVoNrEnabled_noPhoneProcess_noCrash(): Unit = runBlocking {
+        mockTelephonyManager.stub {
+            on {
+                setVoNrEnabled(any())
+            } doThrow IllegalStateException("no Phone")
+        }
+
+        repository.setVoNrEnabled(SUB_ID, true)
+
+        verify(mockTelephonyManager).setVoNrEnabled(true)
+    }
+
     private companion object {
         const val SUB_ID = 1
     }