Enable builtin hosts if the country is CN

app/src/main/java/com/hippo/ehviewer/Settings.java

@@ -36,6 +36,7 @@ import com.hippo.yorozuya.FileUtils;
 import com.hippo.yorozuya.MathUtils;
 import com.hippo.yorozuya.NumberUtils;
 import java.io.File;
+import java.util.Locale;
 
 public class Settings {
 
@@ -49,6 +50,16 @@ public class Settings {
         sContext = context.getApplicationContext();
         sSettingsPre = PreferenceManager.getDefaultSharedPreferences(sContext);
         sEhConfig = loadEhConfig();
+        fixDefaultValue(context);
+    }
+
+    private static void fixDefaultValue(Context context) {
+        // Enable builtin hosts if the country is CN
+        if (!sSettingsPre.contains(KEY_BUILT_IN_HOSTS)) {
+            if ("CN".equals(Locale.getDefault().getCountry())) {
+                putBuiltInHosts(true);
+            }
+        }
     }
 
     private static EhConfig loadEhConfig() {