QR-Codes can now be displayed after scanning.

- 2FA also supported

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

@@ -1,48 +1,97 @@
 package com.github.mondei1.offpass
 
-import android.animation.ObjectAnimator
 import android.annotation.SuppressLint
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
 import android.content.res.ColorStateList
+import android.graphics.Bitmap
 import android.graphics.Color
-import android.graphics.ColorFilter
 import android.net.Uri
 import android.os.Bundle
-import android.text.Editable
+import android.print.PrintAttributes
+import android.print.PrintJob
+import android.print.PrintManager
+import android.util.Base64
 import android.util.Log
 import android.view.View
-import android.view.animation.LinearInterpolator
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.isVisible
+import com.google.zxing.BarcodeFormat
 import com.google.zxing.integration.android.IntentIntegrator
 import com.google.zxing.integration.android.IntentResult
+import com.journeyapps.barcodescanner.BarcodeEncoder
 import dev.turingcomplete.kotlinonetimepassword.GoogleAuthenticator
 import kotlinx.android.synthetic.main.activity_create.*
 import kotlinx.coroutines.*
-import java.text.DateFormat
-import java.text.SimpleDateFormat
+import java.io.ByteArrayOutputStream
 import java.util.*
 
 class CreateActivity : AppCompatActivity() {
-    private var fragment_title: TextInput? = null
-    private var fragment_username: TextInput? = null
     private var schema: QRSchema? = null
+    private var qrCodeBitmap: Bitmap? = null
 
     private var fa_coroutine: Job? = null
+    private var mWebView: WebView? = null
+    private var printJob: PrintJob? = null
+
+    fun doPrint() {
+        val webView = WebView(this)
+        webView.webViewClient = object  : WebViewClient() {
+            override fun shouldOverrideUrlLoading(view: WebView, requesst: WebResourceRequest) = false
+
+            override fun onPageFinished(view: WebView?, url: String?) {
+                Log.i("Create Activity", "Template page finished loading")
+                createWebPrintJob(webView)
+                mWebView = null
+            }
+        }
+
+        var htmlDocument = String(this.resources.openRawResource(
+            this.resources.getIdentifier("print", "raw", this.packageName)
+        ).readBytes()).replace("\n", "")
+
+        // Prepare html document
+        var byteArrayOutputStream = ByteArrayOutputStream()
+        this.qrCodeBitmap?.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream)
+        htmlDocument = htmlDocument.replace("\$DATE", Date().time.toString())
+            .replace("\$HINT", "Not configurable yet!")
+            .replace("\$QRCODE", Base64.encodeToString(byteArrayOutputStream.toByteArray(), Base64.NO_WRAP))
+
+        Log.i("Create Activity", htmlDocument)
+        webView.loadDataWithBaseURL("file:///android_asset/", htmlDocument, "text/HTML", "UTF-8", null)
+
+        mWebView = webView
+    }
+
+    fun createWebPrintJob(webView: WebView) {
+        (this.getSystemService(Context.PRINT_SERVICE) as? PrintManager)?.let { printManager ->
+            val jobName = "Offpass Document"
+            val printAdapter = webView.createPrintDocumentAdapter(jobName)
+
+            printManager.print(
+                jobName,
+                printAdapter,
+                PrintAttributes.Builder().build()
+            ).also { printJob ->
+                this.printJob = printJob
+            }
+        }
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        //this.schema = QRSchema(this)
-        //this.schema!!.decrypted_raw = "%JtuB4O9M42%Gitea|Nicolas|542superGoOD_pW&|klier.nicolas@protonmail.com|\$ul|(\$vb)\$O4|()What's your favorite series%Rick and morty|(2fa)otpauth://totp/OffPass%20Test?secret=d34gfkki5dkd5knifysrpgndd5xb2c7eddwki7ya4pvoisfa5c3ko5pv&issuer=Nicolas%20Klier"
-        //this.schema!!.parse(this)
+        this.schema = QRSchema(this)
+        this.schema!!.decrypted_raw = "%JtuB4O9M42%Gitea|Nicolas|542superGoOD_pW&|klier.nicolas@protonmail.com|\$ul|(\$vb)\$O4|()What's your favorite series%Rick and morty|(2fa)otpauth://totp/OffPass%20Test?secret=d34gfkki5dkd5knifysrpgndd5xb2c7eddwki7ya4pvoisfa5c3ko5pv&issuer=Nicolas%20Klier"
+        this.schema!!.parse(this)
 
-        //this.schema!!.build(arrayOf("website_url", "2fa", "What's your favorite series"), "123")
-        //this.schema!!.decrypt(this.schema!!.raw, "123")
+        this.schema!!.build(arrayOf("website_url", "2fa", "What's your favorite series"), "123")
+        this.schema!!.decrypt(this.schema!!.raw, "123")
 
         setSupportActionBar(findViewById(R.id.toolbar))
 
@@ -51,6 +100,20 @@ class CreateActivity : AppCompatActivity() {
             Log.i("CREATE", "Back got clicked!")
             finish()
         }
+        print_button.setOnClickListener {
+            // Set up printing
+            this.schema = QRSchema(this)
+            this.schema!!.title = title_input.text.toString()
+            this.schema!!.username = username_input.text.toString()
+            this.schema!!.password = password_input.text.toString()
+            this.schema!!.email = email_input.text.toString()
+            this.schema!!.website_url = url_input.text.toString()
+            this.schema!!.build(arrayOf(), "123")
+
+            val barcodeEncoder: BarcodeEncoder = BarcodeEncoder()
+            this.qrCodeBitmap = barcodeEncoder.encodeBitmap(this.schema!!.raw, BarcodeFormat.QR_CODE, 400, 400)
+            doPrint()
+        }
 
         fa_input.isFocusable = false