Fix back navigation

app/src/main/AndroidManifest.xml

@@ -52,7 +52,8 @@
         <activity
             android:name=".ActivityLog"
             android:configChanges="orientation|screenSize"
-            android:label="@string/title_log" />
+            android:label="@string/title_log"
+            android:parentActivityName=".ActivityMain" />
 
         <activity
             android:name=".ActivityPro"

app/src/main/java/eu/faircode/netguard/ActivityLog.java

@@ -79,9 +79,6 @@ public class ActivityLog extends AppCompatActivity {
 
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-            case android.R.id.home:
-                finish();
-                return true;
             case R.id.menu_clear:
                 dh.clear();
                 return true;

app/src/main/java/eu/faircode/netguard/ActivityMain.java

@@ -425,6 +425,7 @@ public class ActivityMain extends AppCompatActivity implements SharedPreferences
 
     private void updateApplicationList(final String search) {
         Log.i(TAG, "Update search=" + search);
+
         new AsyncTask<Object, Object, List<Rule>>() {
             private boolean refreshing = true;
 

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

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    tools:context=".ActivityLog">
 
     <TextView
         android:id="@+id/tvTime"

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

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:padding="16dp">
+    android:padding="16dp"
+    tools:context=".ActivityPro">
 
     <ScrollView
         android:layout_width="match_parent"