since this is a fun learning project, moved from java to kotlin for

more fun (or desperation)

app/src/main/kotlin/com/tutpro/baresip/Utils.kt

@@ -0,0 +1,67 @@
+package com.tutpro.baresip
+
+import android.content.Context
+import android.content.DialogInterface
+import android.support.v7.app.AlertDialog
+import android.util.Log
+
+import java.io.File
+import java.io.FileInputStream
+import java.io.FileOutputStream
+import java.io.OutputStreamWriter
+
+object Utils {
+
+    fun getFileContents(file: File): String {
+        if (!file.exists()) {
+            Log.e("Baresip", "Failed to find file: " + file.path)
+            return ""
+        } else {
+            Log.e("Baresip", "Found file: " + file.path)
+            val length = file.length().toInt()
+            val bytes = ByteArray(length)
+            try {
+                val `in` = FileInputStream(file)
+                try {
+                    `in`.read(bytes)
+                } finally {
+                    `in`.close()
+                }
+                return String(bytes)
+            } catch (e: java.io.IOException) {
+                Log.e("Baresip", "Failed to read file: " + file.path + ": " +
+                        e.toString())
+                return ""
+            }
+
+        }
+    }
+
+    fun putFileContents(file: File, contents: String) {
+        try {
+            val fOut = FileOutputStream(file.absoluteFile, false)
+            val fWriter = OutputStreamWriter(fOut)
+            try {
+                fWriter.write(contents)
+                fWriter.close()
+                fOut.close()
+            } catch (e: java.io.IOException) {
+                Log.e("Baresip", "Failed to put contents to file: " + e.toString())
+            }
+
+        } catch (e: java.io.FileNotFoundException) {
+            Log.e("Baresip", "Failed to find contents file: " + e.toString())
+        }
+
+    }
+
+    fun alertView(context: Context, message: String) {
+        val alertDialog = AlertDialog.Builder(context).create()
+        alertDialog.setTitle("Alert")
+        alertDialog.setMessage(message)
+        alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK"
+        ) { dialog, _ -> dialog.dismiss() }
+        alertDialog.show()
+    }
+
+}