change default of chrome custom tabs setting to false

app/src/main/java/com/keylesspalace/tusky/AccountActivity.java

@@ -22,7 +22,6 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.annotation.AttrRes;
@@ -270,7 +269,7 @@ public class AccountActivity extends BaseActivity implements ActionButtonActivit
         }
 
         boolean useCustomTabs = PreferenceManager.getDefaultSharedPreferences(this)
-                .getBoolean("customTabs", true);
+                .getBoolean("customTabs", false);
         LinkHelper.setClickableText(note, account.note, null, useCustomTabs, new LinkListener() {
             @Override
             public void onViewTag(String tag) {

app/src/main/java/com/keylesspalace/tusky/adapter/StatusBaseViewHolder.java

@@ -143,7 +143,7 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         /* Redirect URLSpan's in the status content to the listener for viewing tag pages and
          * account pages. */
         boolean useCustomTabs =
-                PreferenceManager.getDefaultSharedPreferences(context).getBoolean("customTabs", true);
+                PreferenceManager.getDefaultSharedPreferences(context).getBoolean("customTabs", false);
         LinkHelper.setClickableText(this.content, builder, mentions, useCustomTabs, listener);
     }
 

app/src/main/java/com/keylesspalace/tusky/util/LinkHelper.java

@@ -132,7 +132,7 @@ public class LinkHelper {
         Uri uri = Uri.parse(url);
 
         boolean useCustomTabs = PreferenceManager.getDefaultSharedPreferences(context)
-                .getBoolean("customTabs", true);
+                .getBoolean("customTabs", false);
         if (useCustomTabs) {
             openLinkInCustomTab(uri, context);
         } else {

app/src/main/res/xml/preferences.xml

@@ -27,7 +27,7 @@
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/pref_title_browser_settings">
         <CheckBoxPreference
-            android:defaultValue="true"
+            android:defaultValue="false"
             android:key="customTabs"
             android:title="@string/pref_title_custom_tabs" />
     </PreferenceCategory>