fix device lock / biometric prompt throwing exception (you are lost t…

…hen -> clear data necessary, not sure if it's really secure, obviously an exception should never be thrown when authentication fails (but this should be handled internally)
jensstein · Sep 29, 2022 · a54094d · a54094d
1 parent d0705d5
commit a54094d
Showing 1 changed file with 11 additions and 7 deletions.
diff --git a/app/src/main/java/com/machiav3lli/backup/activities/IntroActivityX.kt b/app/src/main/java/com/machiav3lli/backup/activities/IntroActivityX.kt
@@ -99,13 +99,17 @@ class IntroActivityX : BaseActivity() {
     }
 
     private fun launchBiometricPrompt(withBiometric: Boolean) {
-        val biometricPrompt = createBiometricPrompt(this)
-        val promptInfo = PromptInfo.Builder()
-            .setTitle(getString(R.string.prefs_biometriclock))
-            .setConfirmationRequired(true)
-            .setAllowedAuthenticators(DEVICE_CREDENTIAL or (if (withBiometric) BIOMETRIC_WEAK else 0))
-            .build()
-        biometricPrompt.authenticate(promptInfo)
+        try {
+            val biometricPrompt = createBiometricPrompt(this)
+            val promptInfo = PromptInfo.Builder()
+                .setTitle(getString(R.string.prefs_biometriclock))
+                .setConfirmationRequired(true)
+                .setAllowedAuthenticators(DEVICE_CREDENTIAL or (if (withBiometric) BIOMETRIC_WEAK else 0))
+                .build()
+            biometricPrompt.authenticate(promptInfo)
+        } catch(e: Throwable) {
+            startActivity(Intent(this, MainActivityX::class.java))
+        }
     }
 
     private fun createBiometricPrompt(activity: Activity): BiometricPrompt {