QR-Codes can now be displayed after scanning.

- 2FA also supported

app/src/main/java/com/github/mondei1/offpass/PassphraseActivity.kt

@@ -0,0 +1,34 @@
+package com.github.mondei1.offpass
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.text.Editable
+import kotlinx.android.synthetic.main.activity_passphrase.*
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.runBlocking
+
+class PassphraseActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_passphrase)
+
+        val raw: String = intent.getStringExtra("raw")!!
+        val qrSchema: QRSchema = QRSchema(this)
+
+        back.setOnClickListener {
+            finish()
+        }
+
+        decrypt_button.setOnClickListener {
+            decrypt_button.text = "Decrypting ..."
+            runBlocking {
+                qrSchema.decrypt(raw, passphrase_input.text.toString())
+            }
+
+            val intent: Intent = Intent(this, ViewActivity::class.java)
+            intent.putExtra("decrypted_raw",qrSchema.decrypted_raw)
+            startActivity(intent)
+        }
+    }
+}