feat: make key import update key list

app/src/main/java/app/passwordstore/ui/pgp/PGPKeyImportActivity.kt

@@ -73,6 +73,7 @@ class PGPKeyImportActivity : AppCompatActivity() {
       is Ok<PGPKey?> -> {
         val key = result.value
         if (key == null) {
+          setResult(RESULT_CANCELED)
           finish()
           // This return convinces Kotlin that the control flow for `key == null` definitely
           // terminates here and allows for a smart cast below.
@@ -81,7 +82,10 @@ class PGPKeyImportActivity : AppCompatActivity() {
         MaterialAlertDialogBuilder(this)
           .setTitle(getString(R.string.pgp_key_import_succeeded))
           .setMessage(getString(R.string.pgp_key_import_succeeded_message, tryGetId(key)))
-          .setPositiveButton(android.R.string.ok) { _, _ -> finish() }
+          .setPositiveButton(android.R.string.ok) { _, _ ->
+            setResult(RESULT_OK)
+            finish()
+          }
           .setCancelable(false)
           .show()
       }

app/src/main/java/app/passwordstore/ui/pgp/PGPKeyListActivity.kt

@@ -1,8 +1,10 @@
 package app.passwordstore.ui.pgp
 
+import android.content.Intent
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
 import androidx.activity.viewModels
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -19,7 +21,6 @@ import app.passwordstore.R
 import app.passwordstore.ui.APSAppBar
 import app.passwordstore.ui.compose.theme.APSTheme
 import app.passwordstore.ui.compose.theme.decideColorScheme
-import app.passwordstore.util.extensions.launchActivity
 import app.passwordstore.util.viewmodel.PGPKeyListViewModel
 import dagger.hilt.android.AndroidEntryPoint
 
@@ -28,6 +29,12 @@ import dagger.hilt.android.AndroidEntryPoint
 class PGPKeyListActivity : ComponentActivity() {
 
   private val viewModel: PGPKeyListViewModel by viewModels()
+  private val keyImportAction =
+    registerForActivityResult(StartActivityForResult()) {
+      if (it.resultCode == RESULT_OK) {
+        viewModel.updateKeySet()
+      }
+    }
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
@@ -44,7 +51,9 @@ class PGPKeyListActivity : ComponentActivity() {
             )
           },
           floatingActionButton = {
-            FloatingActionButton(onClick = { launchActivity(PGPKeyImportActivity::class.java) }) {
+            FloatingActionButton(
+              onClick = { keyImportAction.launch(Intent(this, PGPKeyImportActivity::class.java)) }
+            ) {
               Icon(
                 painter = painterResource(R.drawable.ic_add_48dp),
                 stringResource(R.string.pref_import_pgp_key_title)

app/src/main/java/app/passwordstore/util/viewmodel/PGPKeyListViewModel.kt

@@ -20,10 +20,10 @@ class PGPKeyListViewModel @Inject constructor(private val keyManager: PGPKeyMana
   var keys: List<GpgIdentifier> by mutableStateOf(emptyList())
 
   init {
-    getKeys()
+    updateKeySet()
   }
 
-  private fun getKeys() {
+  fun updateKeySet() {
     viewModelScope.launch {
       when (
         val result =
@@ -40,7 +40,7 @@ class PGPKeyListViewModel @Inject constructor(private val keyManager: PGPKeyMana
   fun deleteKey(identifier: GpgIdentifier) {
     viewModelScope.launch {
       keyManager.removeKey(identifier)
-      getKeys()
+      updateKeySet()
     }
   }
 }