Merge branch 'v3' into q-beta

mobile/src/main/java/be/mygod/vpnhotspot/util/QRCodeDialog.kt

@@ -0,0 +1,26 @@
+package be.mygod.vpnhotspot.util
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.core.os.bundleOf
+import androidx.fragment.app.DialogFragment
+import be.mygod.vpnhotspot.R
+import net.glxn.qrgen.android.QRCode
+
+class QRCodeDialog : DialogFragment() {
+    companion object {
+        private const val KEY_ARG = "arg"
+    }
+
+    fun withArg(arg: String) = apply { arguments = bundleOf(KEY_ARG to arg) }
+    private val arg get() = arguments?.getString(KEY_ARG)
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) =
+            ImageView(context).apply {
+                val size = resources.getDimensionPixelSize(R.dimen.qr_code_size)
+                layoutParams = ViewGroup.LayoutParams(size, size)
+                setImageBitmap((QRCode.from(arg).withSize(size, size) as QRCode).bitmap())
+            }
+}

mobile/src/main/java/be/mygod/vpnhotspot/util/Utils.kt

@@ -1,8 +1,11 @@
 package be.mygod.vpnhotspot.util
 
+import android.annotation.SuppressLint
 import android.content.*
 import android.net.InetAddresses
 import android.os.Build
+import android.os.Parcel
+import android.os.Parcelable
 import android.text.Spannable
 import android.text.SpannableString
 import android.text.SpannableStringBuilder
@@ -17,7 +20,6 @@ import androidx.databinding.BindingAdapter
 import be.mygod.vpnhotspot.App.Companion.app
 import be.mygod.vpnhotspot.room.macToString
 import be.mygod.vpnhotspot.widget.SmartSnackbar
-import java.lang.RuntimeException
 import java.net.InetAddress
 import java.net.NetworkInterface
 import java.net.SocketException
@@ -34,6 +36,25 @@ fun Long.toPluralInt(): Int {
     return (this % 1000000000).toInt() + 1000000000
 }
 
+@SuppressLint("Recycle")
+fun <T> useParcel(block: (Parcel) -> T) = Parcel.obtain().run {
+    try {
+        block(this)
+    } finally {
+        recycle()
+    }
+}
+
+fun Parcelable.toByteArray(parcelableFlags: Int = 0) = useParcel { p ->
+    p.writeParcelable(this, parcelableFlags)
+    p.marshall()
+}
+fun <T : Parcelable> ByteArray.toParcelable() = useParcel { p ->
+    p.unmarshall(this, 0, size)
+    p.setDataPosition(0)
+    p.readParcelable<T>(javaClass.classLoader)
+}
+
 fun broadcastReceiver(receiver: (Context, Intent) -> Unit) = object : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) = receiver(context, intent)
 }