Fix kotlin nullable errors in Settings

Fix kotlin nullable errors that were exposed by setting the retention
of android.annotation.NonNull and android.annotation.Nullable to
class retention.

Bug: 294110802
Test: builds
Change-Id: I6aa0516fa4f6443b6d4dff873baf3b08ff9189f0
Merged-In: I6aa0516fa4f6443b6d4dff873baf3b08ff9189f0

src/com/android/settings/RegulatoryInfoDisplayActivity.kt

@@ -46,7 +46,7 @@ class RegulatoryInfoDisplayActivity : Activity() {
 
         getRegulatoryInfo()?.let {
             val view = layoutInflater.inflate(R.layout.regulatory_info, null)
-            val image = view.findViewById<ImageView>(R.id.regulatoryInfo)
+            val image = view.requireViewById<ImageView>(R.id.regulatoryInfo)
             image.setImageDrawable(it)
             builder.setView(view)
             builder.show()

src/com/android/settings/biometrics/fingerprint2/ui/fragment/FingerprintSettingsRenameDialog.kt

@@ -106,8 +106,8 @@ class FingerprintSettingsRenameDialog : InstrumentedDialogFragment() {
         val dialog = FingerprintSettingsRenameDialog()
         val onClick =
           DialogInterface.OnClickListener { _, _ ->
-            val dialogTextField =
-              dialog.requireDialog().findViewById(R.id.fingerprint_rename_field) as ImeAwareEditText
+            val dialogTextField = dialog.requireDialog()
+                .requireViewById(R.id.fingerprint_rename_field) as ImeAwareEditText
             val newName = dialogTextField.text.toString()
             if (!TextUtils.equals(newName, fp.name)) {
               Log.d(TAG, "rename $fp.name to $newName for $dialog")

src/com/android/settings/deviceinfo/simstatus/SimEidPreferenceController.kt

@@ -95,10 +95,10 @@ class SimEidPreferenceController(context: Context, preferenceKey: String) :
             WindowManager.LayoutParams.FLAG_SECURE
         )
         dialog.setCanceledOnTouchOutside(false)
-        val textView = dialog.findViewById<TextView>(R.id.esim_id_value)
+        val textView = dialog.requireViewById<TextView>(R.id.esim_id_value)
         textView.text = PhoneNumberUtil.expandByTts(eid)
 
-        val qrCodeView = dialog.findViewById<ImageView>(R.id.esim_id_qrcode)
+        val qrCodeView = dialog.requireViewById<ImageView>(R.id.esim_id_qrcode)
         qrCodeView.setImageBitmap(getEidQrCode(eid))
 
         // After "Tap to show", eid is displayed on preference.

src/com/android/settings/notification/app/FullScreenIntentPermissionPreferenceController.kt

@@ -81,7 +81,7 @@ class FullScreenIntentPermissionPreferenceController(
     private fun isPermissionRequested(): Boolean {
         val packageInfo = packageManager.getPackageInfo(packageName, GET_PERMISSIONS)
 
-        for (requestedPermission in packageInfo.requestedPermissions) {
+        for (requestedPermission in packageInfo.requestedPermissions.orEmpty()) {
             if (USE_FULL_SCREEN_INTENT.equals(requestedPermission)) {
                 return true
             }
@@ -115,4 +115,4 @@ class FullScreenIntentPermissionPreferenceController(
         const val KEY_FSI_PERMISSION = "fsi_permission"
         const val TAG = "FsiPermPrefController"
     }
-}
+}

src/com/android/settings/spa/app/appinfo/AppButtons.kt

@@ -45,7 +45,7 @@ private class AppButtonsPresenter(private val packageInfoPresenter: PackageInfoP
     @Composable
     fun getActionButtons() =
         packageInfoPresenter.flow.collectAsStateWithLifecycle(initialValue = null).value?.let {
-            getActionButtons(it.applicationInfo)
+            getActionButtons(checkNotNull(it.applicationInfo))
         } ?: emptyList()
 
     @Composable

src/com/android/settings/spa/app/appinfo/AppInfoSettings.kt

@@ -118,7 +118,7 @@ object AppInfoSettingsProvider : SettingsPageProvider {
 private fun AppInfoSettings(packageInfoPresenter: PackageInfoPresenter) {
     LifecycleEffect(onStart = { packageInfoPresenter.reloadPackageInfo() })
     val packageInfo = packageInfoPresenter.flow.collectAsStateWithLifecycle().value ?: return
-    val app = packageInfo.applicationInfo
+    val app = checkNotNull(packageInfo.applicationInfo)
     RegularScaffold(
         title = stringResource(R.string.application_info_label),
         actions = {

src/com/android/settings/spa/app/appinfo/ClonePageAppButtons.kt

@@ -41,7 +41,7 @@ private class CloneAppButtonsPresenter(private val packageInfoPresenter: Package
     @Composable
     fun getActionButtons() =
         packageInfoPresenter.flow.collectAsStateWithLifecycle(initialValue = null).value?.let {
-            getActionButtons(it.applicationInfo)
+            getActionButtons(checkNotNull(it.applicationInfo))
         } ?: emptyList()
 
     @Composable

src/com/android/settings/spa/app/appinfo/PackageInfoPresenter.kt

@@ -77,7 +77,7 @@ class PackageInfoPresenter(
         DisposableBroadcastReceiverAsUser(intentFilter, userHandle) { intent ->
             if (packageName == intent.data?.schemeSpecificPart) {
                 val packageInfo = flow.value
-                if (packageInfo != null && packageInfo.applicationInfo.isSystemApp) {
+                if (packageInfo != null && packageInfo.applicationInfo?.isSystemApp == true) {
                     // System app still exists after uninstalling the updates, refresh the page.
                     reloadPackageInfo()
                 } else {