Display an error if we cannot open picker instead of crashing.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/notifications/NotificationsSettingsFragment.kt

@@ -1,6 +1,7 @@
 package org.thoughtcrime.securesms.components.settings.app.notifications
 
 import android.app.Activity
+import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.graphics.ColorFilter
 import android.graphics.PorterDuff
@@ -10,6 +11,7 @@ import android.net.Uri
 import android.provider.Settings
 import android.text.TextUtils
 import android.view.View
+import android.widget.Toast
 import androidx.annotation.RequiresApi
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.ViewModelProvider
@@ -241,7 +243,6 @@ class NotificationsSettingsFragment : DSLSettingsFragment(R.string.preferences__
     }
   }
 
-  @Suppress("DEPRECATION")
   private fun launchMessageSoundSelectionIntent() {
     val current = SignalStore.settings().messageNotificationSound
 
@@ -255,7 +256,7 @@ class NotificationsSettingsFragment : DSLSettingsFragment(R.string.preferences__
     )
     intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, current)
 
-    startActivityForResult(intent, MESSAGE_SOUND_SELECT)
+    openRingtonePicker(intent, MESSAGE_SOUND_SELECT)
   }
 
   @RequiresApi(26)
@@ -269,7 +270,6 @@ class NotificationsSettingsFragment : DSLSettingsFragment(R.string.preferences__
     startActivity(intent)
   }
 
-  @Suppress("DEPRECATION")
   private fun launchCallRingtoneSelectionIntent() {
     val current = SignalStore.settings().callRingtone
 
@@ -283,7 +283,16 @@ class NotificationsSettingsFragment : DSLSettingsFragment(R.string.preferences__
     )
     intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, current)
 
-    startActivityForResult(intent, CALL_RINGTONE_SELECT)
+    openRingtonePicker(intent, CALL_RINGTONE_SELECT)
+  }
+
+  @Suppress("DEPRECATION")
+  private fun openRingtonePicker(intent: Intent, requestCode: Int) {
+    try {
+      startActivityForResult(intent, requestCode)
+    } catch (e: ActivityNotFoundException) {
+      Toast.makeText(requireContext(), R.string.NotificationSettingsFragment__failed_to_open_picker, Toast.LENGTH_LONG).show()
+    }
   }
 
   private class LedColorPreference(

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

@@ -4025,6 +4025,9 @@
 
     <string name="Boost__thank_you_for_your_donation" translatable="false">Thank you for your donation. Your contribution helps fuel the mission of developing open source privacy technology that protects free expression and enables secure global communication for millions around the world. Signal Technology Foundation is a tax-exempt nonprofit organization in the United States under section 501c3 of the Internal Revenue Code. Our Federal Tax ID is 82-4506840. No goods or services were provided in exchange for this donation. Please retain this receipt for your tax records.</string>
 
+    <!-- Displayed in a toast when we fail to open the ringtone picker -->
+    <string name="NotificationSettingsFragment__failed_to_open_picker">Failed to open picker.</string>
+
     <!-- EOF -->
 
 </resources>