create a dialog for changing resolutions

app/src/main/kotlin/com/simplemobiletools/camera/dialogs/ChangeResolutionDialog.kt

@@ -0,0 +1,28 @@
+package com.simplemobiletools.camera.dialogs
+
+import android.support.v7.app.AlertDialog
+import android.view.LayoutInflater
+import com.simplemobiletools.camera.R
+import com.simplemobiletools.camera.activities.SimpleActivity
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import kotlinx.android.synthetic.main.dialog_change_resolution.view.*
+
+class ChangeResolutionDialog(val activity: SimpleActivity, val backCamera: Boolean, val callback: () -> Unit) {
+    init {
+        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_change_resolution, null).apply {
+            change_resolution_photo_holder.setOnClickListener {
+
+            }
+
+            change_resolution_video_holder.setOnClickListener {
+
+            }
+        }
+
+        AlertDialog.Builder(activity)
+                .setPositiveButton(R.string.ok, null)
+                .create().apply {
+            activity.setupDialogStuff(view, this, if (backCamera) R.string.back_camera else R.string.front_camera)
+        }
+    }
+}