- added "Reset to Factory Default" config option

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

@@ -20,6 +20,7 @@ class ConfigActivity : AppCompatActivity() {
     internal lateinit var opusBitRate: EditText
     internal lateinit var iceLite: CheckBox
     internal lateinit var debug: CheckBox
+    internal lateinit var reset: CheckBox
 
     private var oldAutoStart = ""
     private var oldPreferIPv6 = ""
@@ -79,6 +80,9 @@ class ConfigActivity : AppCompatActivity() {
             oldLogLevel = dbCv[0]
         debug.isChecked =  oldLogLevel == "0"
 
+        reset = findViewById(R.id.Reset) as CheckBox
+        reset.isChecked = false
+
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -156,6 +160,13 @@ class ConfigActivity : AppCompatActivity() {
                 save = true
             }
 
+            if (reset.isChecked) {
+                Utils.copyAssetToFile(applicationContext, "config",
+                            applicationContext.filesDir.absolutePath + "/config")
+                save = false
+                restart = true
+            }
+
             if (save) {
                 var newConfig = ""
                 for (line in config.split("\n")) {
@@ -204,6 +215,9 @@ class ConfigActivity : AppCompatActivity() {
             findViewById(R.id.DebugTitle) as TextView-> {
                 Utils.alertView(this, "Debug", getString(R.string.debug))
             }
+            findViewById(R.id.ResetTitle) as TextView-> {
+                Utils.alertView(this, "Reset", getString(R.string.reset))
+            }
         }
     }
 

app/src/main/res/layout/activity_config.xml

@@ -168,6 +168,32 @@
             </CheckBox>
         </RelativeLayout>
 
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal" >
+            <TextView
+                android:id="@+id/ResetTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:textSize="18sp"
+                android:textColor="@android:color/black"
+                android:onClick="onClick"
+                android:text="Reset to Factory Default" >
+            </TextView>
+            <CheckBox
+                android:id="@+id/Reset"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_centerVertical="true"
+                android:layout_gravity="end"
+                android:checked="false" >
+            </CheckBox>
+        </RelativeLayout>
+
     </LinearLayout>
 
 </ScrollView>

app/src/main/res/values/strings.xml

@@ -63,4 +63,5 @@
         Valid value are 6000-510000. Factory default is 28000.</string>
     <string name="iceLite">If checked, ICE Lite Mode is used.</string>
     <string name="debug">If checked, debug and info level log messages are available in logcat.</string>
-</resources>
+    <string name="reset">If checked, configuration is reset to factory default.</string>
+</resources>